./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 e04fb08f Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/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_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8 --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 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-e04fb08 [2022-11-16 12:28:22,606 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-16 12:28:22,608 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-16 12:28:22,633 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-16 12:28:22,633 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-16 12:28:22,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-16 12:28:22,640 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-16 12:28:22,643 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-16 12:28:22,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-16 12:28:22,651 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-16 12:28:22,653 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-16 12:28:22,655 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-16 12:28:22,655 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-16 12:28:22,658 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-16 12:28:22,661 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-16 12:28:22,662 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-16 12:28:22,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-16 12:28:22,665 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-16 12:28:22,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-16 12:28:22,674 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-16 12:28:22,676 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-16 12:28:22,677 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-16 12:28:22,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-16 12:28:22,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-16 12:28:22,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-16 12:28:22,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-16 12:28:22,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-16 12:28:22,692 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-16 12:28:22,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-16 12:28:22,695 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-16 12:28:22,696 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-16 12:28:22,697 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-16 12:28:22,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-16 12:28:22,701 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-16 12:28:22,703 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-16 12:28:22,703 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-16 12:28:22,704 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-16 12:28:22,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-16 12:28:22,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-16 12:28:22,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-16 12:28:22,706 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-16 12:28:22,707 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-16 12:28:22,750 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-16 12:28:22,751 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-16 12:28:22,751 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-16 12:28:22,752 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-16 12:28:22,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-16 12:28:22,753 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-16 12:28:22,753 INFO L138 SettingsManager]: * Use SBE=true [2022-11-16 12:28:22,754 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-16 12:28:22,754 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-16 12:28:22,754 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-16 12:28:22,755 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-16 12:28:22,755 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-16 12:28:22,756 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-16 12:28:22,756 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-16 12:28:22,756 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-16 12:28:22,756 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-16 12:28:22,756 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-16 12:28:22,757 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-16 12:28:22,757 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-16 12:28:22,757 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-16 12:28:22,757 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-16 12:28:22,758 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-16 12:28:22,758 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-16 12:28:22,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-16 12:28:22,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-16 12:28:22,758 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-16 12:28:22,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-16 12:28:22,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-16 12:28:22,760 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-16 12:28:22,760 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_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c60ed4386f3e9dfc23f4a7e8bce2e4e63a0ed4f2dd3fba97236df028c39e6948 [2022-11-16 12:28:23,031 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-16 12:28:23,052 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-16 12:28:23,055 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-16 12:28:23,056 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-16 12:28:23,057 INFO L275 PluginConnector]: CDTParser initialized [2022-11-16 12:28:23,059 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2022-11-16 12:28:23,141 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/data/265278c72/c251a9c61fe74a5488941daba3fd4ad7/FLAG01eb860f1 [2022-11-16 12:28:23,633 INFO L306 CDTParser]: Found 1 translation units. [2022-11-16 12:28:23,634 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2022-11-16 12:28:23,640 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/data/265278c72/c251a9c61fe74a5488941daba3fd4ad7/FLAG01eb860f1 [2022-11-16 12:28:24,032 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/data/265278c72/c251a9c61fe74a5488941daba3fd4ad7 [2022-11-16 12:28:24,036 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-16 12:28:24,038 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-16 12:28:24,044 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-16 12:28:24,044 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-16 12:28:24,048 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-16 12:28:24,049 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:28:24" (1/1) ... [2022-11-16 12:28:24,051 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@16137f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:24, skipping insertion in model container [2022-11-16 12:28:24,051 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:28:24" (1/1) ... [2022-11-16 12:28:24,059 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-16 12:28:24,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-16 12:28:24,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:28:24,263 INFO L203 MainTranslator]: Completed pre-run [2022-11-16 12:28:24,283 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-16 12:28:24,294 INFO L208 MainTranslator]: Completed translation [2022-11-16 12:28:24,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:24 WrapperNode [2022-11-16 12:28:24,295 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-16 12:28:24,296 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-16 12:28:24,296 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-16 12:28:24,296 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-16 12:28:24,304 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:24" (1/1) ... [2022-11-16 12:28:24,308 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:24" (1/1) ... [2022-11-16 12:28:24,323 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 13 [2022-11-16 12:28:24,323 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-16 12:28:24,324 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-16 12:28:24,324 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-16 12:28:24,324 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-16 12:28:24,332 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:24" (1/1) ... [2022-11-16 12:28:24,333 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:24" (1/1) ... [2022-11-16 12:28:24,333 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:24" (1/1) ... [2022-11-16 12:28:24,333 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:24" (1/1) ... [2022-11-16 12:28:24,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:24" (1/1) ... [2022-11-16 12:28:24,338 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:24" (1/1) ... [2022-11-16 12:28:24,339 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:24" (1/1) ... [2022-11-16 12:28:24,340 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:24" (1/1) ... [2022-11-16 12:28:24,341 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-16 12:28:24,342 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-16 12:28:24,342 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-16 12:28:24,343 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-16 12:28:24,344 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:24" (1/1) ... [2022-11-16 12:28:24,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:24,362 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:24,375 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:24,417 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-16 12:28:24,417 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-16 12:28:24,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-16 12:28:24,473 INFO L235 CfgBuilder]: Building ICFG [2022-11-16 12:28:24,475 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-16 12:28:24,548 INFO L276 CfgBuilder]: Performing block encoding [2022-11-16 12:28:24,555 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-16 12:28:24,555 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-16 12:28:24,557 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:28:24 BoogieIcfgContainer [2022-11-16 12:28:24,557 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-16 12:28:24,558 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-16 12:28:24,558 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-16 12:28:24,562 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-16 12:28:24,563 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:28:24,563 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 16.11 12:28:24" (1/3) ... [2022-11-16 12:28:24,564 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b5d59ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:28:24, skipping insertion in model container [2022-11-16 12:28:24,564 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:28:24,564 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:28:24" (2/3) ... [2022-11-16 12:28:24,565 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b5d59ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 16.11 12:28:24, skipping insertion in model container [2022-11-16 12:28:24,565 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-16 12:28:24,565 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:28:24" (3/3) ... [2022-11-16 12:28:24,566 INFO L332 chiAutomizerObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c [2022-11-16 12:28:24,619 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-16 12:28:24,620 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-16 12:28:24,620 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-16 12:28:24,620 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-16 12:28:24,620 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-16 12:28:24,620 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-16 12:28:24,620 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-16 12:28:24,621 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-16 12:28:24,625 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:28:24,641 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-16 12:28:24,641 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:28:24,642 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:28:24,646 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:28:24,647 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-16 12:28:24,647 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-16 12:28:24,647 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-16 12:28:24,648 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-16 12:28:24,648 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-16 12:28:24,648 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-16 12:28:24,648 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-16 12:28:24,648 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-16 12:28:24,655 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 2; 6#L14-2true [2022-11-16 12:28:24,656 INFO L750 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~y~0#1 := (if 1 + main_~y~0#1 < 0 && 0 != (1 + main_~y~0#1) % 2 then 1 + (1 + main_~y~0#1) / 2 else (1 + main_~y~0#1) / 2); 6#L14-2true [2022-11-16 12:28:24,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:24,662 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-16 12:28:24,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:28:24,676 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [579268466] [2022-11-16 12:28:24,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:28:24,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:28:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:28:24,756 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:28:24,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:28:24,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:28:24,788 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:24,788 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-11-16 12:28:24,789 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:28:24,790 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030804455] [2022-11-16 12:28:24,790 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:28:24,790 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:28:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:28:24,827 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:28:24,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:28:24,847 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:28:24,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:24,858 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-16 12:28:24,858 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:28:24,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [28763011] [2022-11-16 12:28:24,859 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:28:24,859 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:28:24,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:28:24,871 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:28:24,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:28:24,879 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:28:25,129 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:28:25,129 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:28:25,130 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:28:25,130 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:28:25,130 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:28:25,145 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:25,145 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:28:25,145 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:28:25,146 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2022-11-16 12:28:25,146 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:28:25,146 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:28:25,189 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:25,323 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:25,330 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:25,799 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:28:25,800 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:28:25,803 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:25,803 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:25,809 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:25,817 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:28:25,817 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:28:25,826 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-16 12:28:25,870 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:25,870 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:25,871 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:25,872 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:25,882 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:28:25,882 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:28:25,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-16 12:28:25,954 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:28:25,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:25,964 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:28:25,964 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:28:25,964 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:28:25,964 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:28:25,964 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:28:25,965 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:25,965 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:28:25,965 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:28:25,965 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2022-11-16 12:28:25,965 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:28:25,965 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:28:25,968 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:25,976 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:25,979 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:26,397 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:28:26,404 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:28:26,406 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:26,409 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:26,410 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:26,421 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-16 12:28:26,422 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 [2022-11-16 12:28:26,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:26,435 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:26,436 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:26,436 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:26,436 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:28:26,438 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:28:26,439 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:26,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:26,461 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:26,462 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:26,462 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:26,463 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:26,467 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 [2022-11-16 12:28:26,480 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:26,480 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:26,480 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:26,480 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:26,480 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:28:26,481 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:28:26,481 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:26,484 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-16 12:28:26,486 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:26,489 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:26,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:26,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:26,492 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:26,493 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-16 12:28:26,495 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 [2022-11-16 12:28:26,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:26,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:26,506 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:26,506 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:28:26,546 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2022-11-16 12:28:26,547 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-16 12:28:26,603 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:26,606 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-16 12:28:26,607 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-16 12:28:26,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:26,607 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:26,610 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:26,613 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-16 12:28:26,617 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 [2022-11-16 12:28:26,630 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:26,631 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:26,631 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:26,631 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:26,631 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 12:28:26,632 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 12:28:26,632 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:26,648 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:26,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:26,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:26,657 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:26,658 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:26,666 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 [2022-11-16 12:28:26,680 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:26,680 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:26,680 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:26,681 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:26,681 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 12:28:26,682 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-16 12:28:26,682 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 12:28:26,682 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:26,692 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:26,700 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:26,701 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:26,701 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:26,706 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:26,714 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 [2022-11-16 12:28:26,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-16 12:28:26,728 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:26,728 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:26,728 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:26,729 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 12:28:26,787 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2022-11-16 12:28:26,787 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2022-11-16 12:28:26,880 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:26,890 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:26,890 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-16 12:28:26,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:26,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:26,892 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:26,903 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 [2022-11-16 12:28:26,915 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-16 12:28:26,916 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:26,916 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:26,916 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:26,917 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:26,917 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:26,918 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:28:26,918 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:26,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:26,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:26,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:26,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:26,943 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:26,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-16 12:28:26,951 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 [2022-11-16 12:28:26,964 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:26,964 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:26,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:26,964 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:26,964 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:26,966 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:28:26,966 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:26,981 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:26,991 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:26,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:26,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:26,995 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:27,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-16 12:28:27,006 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:28:27,019 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:27,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:27,019 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:27,019 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:27,088 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2022-11-16 12:28:27,088 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-16 12:28:27,197 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:27,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:27,209 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-16 12:28:27,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:27,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:27,211 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:27,222 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 [2022-11-16 12:28:27,235 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:27,235 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:27,235 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:27,235 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:27,235 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 12:28:27,238 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-16 12:28:27,238 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 12:28:27,238 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:27,252 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:27,257 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:27,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:27,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:27,259 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:27,269 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-16 12:28:27,270 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 [2022-11-16 12:28:27,282 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:27,282 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:27,283 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:27,283 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:27,283 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 12:28:27,284 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 12:28:27,284 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:27,293 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:27,305 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:27,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:27,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:27,306 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:27,314 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:28:27,327 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:27,327 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:27,327 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:27,327 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 12:28:27,328 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-16 12:28:27,423 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2022-11-16 12:28:27,423 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2022-11-16 12:28:27,576 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:27,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:27,586 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-16 12:28:27,587 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:27,587 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:27,588 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:27,598 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 [2022-11-16 12:28:27,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-16 12:28:27,611 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:27,611 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 12:28:27,611 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:27,612 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:27,612 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:27,612 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 12:28:27,613 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 12:28:27,613 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:27,623 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:27,632 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:27,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:27,633 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:27,634 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:27,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-16 12:28:27,662 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 [2022-11-16 12:28:27,675 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:27,675 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 12:28:27,675 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:27,675 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:27,675 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:27,675 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 12:28:27,676 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 12:28:27,676 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:27,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:27,694 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:27,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:27,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:27,696 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:27,704 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 [2022-11-16 12:28:27,716 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:27,717 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 12:28:27,717 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:27,717 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:27,717 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 12:28:27,720 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-16 12:28:27,756 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2022-11-16 12:28:27,756 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2022-11-16 12:28:27,842 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:27,847 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:27,847 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-16 12:28:27,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:27,847 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:27,849 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:27,857 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 [2022-11-16 12:28:27,869 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:27,870 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-16 12:28:27,870 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:27,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:27,870 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:27,870 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:27,872 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:28:27,872 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:27,874 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-16 12:28:27,889 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:27,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:27,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:27,893 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:27,894 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:27,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-16 12:28:27,909 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 [2022-11-16 12:28:27,923 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:27,923 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-16 12:28:27,923 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:27,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:27,924 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:27,924 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:27,925 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:28:27,925 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:27,936 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:27,944 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:27,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:27,945 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:27,946 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:27,951 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 [2022-11-16 12:28:27,958 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-16 12:28:27,964 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:27,964 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-16 12:28:27,964 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:27,964 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:27,964 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:28,016 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2022-11-16 12:28:28,016 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-16 12:28:28,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:28,168 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:28,168 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-16 12:28:28,169 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:28,169 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:28,170 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:28,173 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 [2022-11-16 12:28:28,186 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:28,186 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 12:28:28,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:28,187 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:28,187 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:28,187 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 12:28:28,188 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 12:28:28,189 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:28,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-16 12:28:28,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:28,212 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:28,212 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:28,213 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:28,214 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:28,217 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 [2022-11-16 12:28:28,230 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:28,230 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 12:28:28,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:28,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:28,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:28,230 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 12:28:28,232 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 12:28:28,232 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:28,234 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-16 12:28:28,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:28,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:28,257 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:28,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:28,258 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:28,265 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 [2022-11-16 12:28:28,279 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:28,279 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 12:28:28,279 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:28,279 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:28,279 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 12:28:28,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-16 12:28:28,341 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2022-11-16 12:28:28,341 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2022-11-16 12:28:28,506 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:28,509 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-11-16 12:28:28,510 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-16 12:28:28,510 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:28,510 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:28,511 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:28,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-16 12:28:28,515 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 [2022-11-16 12:28:28,525 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:28,525 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 12:28:28,526 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:28,526 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:28,526 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:28,526 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:28,527 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:28:28,527 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:28,530 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:28,532 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Ended with exit code 0 [2022-11-16 12:28:28,532 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:28,533 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:28,533 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:28,534 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-16 12:28:28,537 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 [2022-11-16 12:28:28,549 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:28,550 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 12:28:28,550 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:28,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:28,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:28,550 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:28,552 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:28:28,552 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:28,567 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:28,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:28,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:28,575 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:28,575 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:28,583 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 [2022-11-16 12:28:28,596 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:28,596 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 12:28:28,596 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:28,596 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:28,597 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:28,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-16 12:28:28,645 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2022-11-16 12:28:28,646 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-16 12:28:28,743 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:28,747 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:28,747 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-16 12:28:28,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:28,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:28,748 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:28,757 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 [2022-11-16 12:28:28,770 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:28,770 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 12:28:28,770 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:28,770 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:28,770 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:28,770 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-16 12:28:28,772 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:28:28,772 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:28,773 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-16 12:28:28,793 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:28,800 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:28,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:28,801 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:28,802 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:28,805 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 [2022-11-16 12:28:28,818 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:28,818 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 12:28:28,818 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:28,818 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:28,818 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:28,818 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-16 12:28:28,819 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:28:28,820 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:28,822 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-16 12:28:28,845 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:28,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:28,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:28,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:28,854 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:28,857 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 [2022-11-16 12:28:28,870 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:28,870 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 12:28:28,870 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:28,870 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:28,870 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-16 12:28:28,873 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-16 12:28:28,937 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2022-11-16 12:28:28,937 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2022-11-16 12:28:29,166 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:29,175 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:29,176 INFO L369 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2022-11-16 12:28:29,176 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 5#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 2; 6#L14-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~y~0#1 := (if 1 + main_~y~0#1 < 0 && 0 != (1 + main_~y~0#1) % 2 then 1 + (1 + main_~y~0#1) / 2 else (1 + main_~y~0#1) / 2); 6#L14-2true [2022-11-16 12:28:29,176 INFO L750 eck$LassoCheckResult]: Loop: 6#L14-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~y~0#1 := (if 1 + main_~y~0#1 < 0 && 0 != (1 + main_~y~0#1) % 2 then 1 + (1 + main_~y~0#1) / 2 else (1 + main_~y~0#1) / 2); 6#L14-2true [2022-11-16 12:28:29,177 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:29,177 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 2 times [2022-11-16 12:28:29,177 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:28:29,177 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575770317] [2022-11-16 12:28:29,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:28:29,177 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:28:29,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:28:29,188 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:28:29,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:28:29,201 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:28:29,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:29,203 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 2 times [2022-11-16 12:28:29,203 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:28:29,203 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [17735534] [2022-11-16 12:28:29,204 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:28:29,204 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:28:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:28:29,220 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:28:29,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:28:29,227 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:28:29,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-16 12:28:29,230 INFO L85 PathProgramCache]: Analyzing trace with hash 925795, now seen corresponding path program 3 times [2022-11-16 12:28:29,230 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-16 12:28:29,230 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [101376402] [2022-11-16 12:28:29,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-16 12:28:29,231 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-16 12:28:29,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:28:29,250 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-16 12:28:29,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-16 12:28:29,270 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-16 12:28:29,453 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:28:29,454 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:28:29,454 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:28:29,454 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:28:29,454 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-16 12:28:29,454 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:29,454 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:28:29,455 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:28:29,455 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2022-11-16 12:28:29,455 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:28:29,455 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:28:29,457 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:29,518 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:29,521 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:29,826 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:28:29,826 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-16 12:28:29,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:29,826 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:29,830 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:29,837 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-16 12:28:29,837 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:28:29,850 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-16 12:28:29,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:29,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:29,884 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:29,886 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:29,890 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-16 12:28:29,890 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-16 12:28:29,903 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-16 12:28:29,940 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-16 12:28:29,949 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:29,949 INFO L210 LassoAnalysis]: Preferences: [2022-11-16 12:28:29,949 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-16 12:28:29,950 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-16 12:28:29,950 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-16 12:28:29,950 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-16 12:28:29,950 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:29,950 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-16 12:28:29,950 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-16 12:28:29,950 INFO L133 ssoRankerPreferences]: Filename of dumped script: HeizmannHoenickeLeikePodelski-ATVA2013-Fig5.c_Iteration1_Lasso [2022-11-16 12:28:29,950 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-16 12:28:29,950 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-16 12:28:29,952 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:30,023 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:30,027 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-16 12:28:30,347 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-16 12:28:30,347 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-16 12:28:30,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:30,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:30,349 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:30,352 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 [2022-11-16 12:28:30,365 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:30,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:30,365 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:30,365 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:28:30,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-16 12:28:30,387 INFO L401 nArgumentSynthesizer]: We have 30 Motzkin's Theorem applications. [2022-11-16 12:28:30,387 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-16 12:28:30,447 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:30,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:30,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:30,457 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:30,458 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:30,461 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 [2022-11-16 12:28:30,474 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:30,474 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:30,474 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:30,474 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:30,474 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:28:30,475 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:28:30,475 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:30,476 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-16 12:28:30,484 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:30,490 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:30,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:30,491 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:30,493 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:30,498 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 [2022-11-16 12:28:30,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-16 12:28:30,511 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:30,511 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:30,511 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:30,511 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:30,511 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-16 12:28:30,512 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-16 12:28:30,512 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:30,529 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:30,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:30,537 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-16 12:28:30,538 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:30,538 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:30,539 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:30,546 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 [2022-11-16 12:28:30,559 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:30,559 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:30,559 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:30,559 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 12:28:30,561 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-16 12:28:30,593 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2022-11-16 12:28:30,593 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2022-11-16 12:28:30,665 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:30,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:30,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:30,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:30,676 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:30,684 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 [2022-11-16 12:28:30,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-16 12:28:30,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:30,698 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:30,698 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:30,698 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:30,699 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 12:28:30,699 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 12:28:30,699 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:30,709 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:30,717 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:30,718 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:30,718 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:30,719 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:30,723 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 [2022-11-16 12:28:30,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-16 12:28:30,738 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:30,738 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:30,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:30,739 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:30,739 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 12:28:30,739 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 12:28:30,739 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:30,753 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:30,757 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:30,757 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-16 12:28:30,757 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:30,757 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:30,758 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:30,762 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 [2022-11-16 12:28:30,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-16 12:28:30,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:30,777 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:30,777 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:30,778 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:30,828 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2022-11-16 12:28:30,829 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-16 12:28:30,978 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:30,989 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:30,989 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:30,989 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:30,991 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:31,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-16 12:28:31,001 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:28:31,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:31,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:31,015 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:31,015 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:31,016 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:31,016 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:28:31,016 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:31,026 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:31,034 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:31,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:31,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:31,036 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:31,039 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 [2022-11-16 12:28:31,052 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:31,052 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:31,052 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:31,052 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:31,052 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:31,053 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:28:31,054 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:31,054 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-16 12:28:31,069 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:31,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:31,077 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-16 12:28:31,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:31,077 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:31,078 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:31,083 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 [2022-11-16 12:28:31,086 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-16 12:28:31,097 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:31,097 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:31,097 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:31,097 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 12:28:31,153 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2022-11-16 12:28:31,153 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2022-11-16 12:28:31,280 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:31,285 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:31,286 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:31,286 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:31,287 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:31,302 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 [2022-11-16 12:28:31,316 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-16 12:28:31,329 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:31,329 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:31,329 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:31,329 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:31,330 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 12:28:31,330 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 12:28:31,331 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:31,349 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:31,362 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:31,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:31,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:31,377 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:31,409 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-16 12:28:31,410 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 [2022-11-16 12:28:31,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-16 12:28:31,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:31,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:31,423 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:31,424 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 12:28:31,425 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 12:28:31,425 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:31,434 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:31,438 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:31,438 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-16 12:28:31,438 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:31,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:31,439 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:31,443 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 [2022-11-16 12:28:31,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-16 12:28:31,456 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:31,456 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 12:28:31,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:31,457 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:31,457 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 12:28:31,493 INFO L401 nArgumentSynthesizer]: We have 45 Motzkin's Theorem applications. [2022-11-16 12:28:31,494 INFO L402 nArgumentSynthesizer]: A total of 9 supporting invariants were added. [2022-11-16 12:28:31,599 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:31,602 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:31,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:31,603 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:31,604 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:31,607 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-16 12:28:31,607 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 [2022-11-16 12:28:31,618 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:31,618 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 12:28:31,618 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:31,619 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:31,619 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:31,619 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 12:28:31,619 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 12:28:31,619 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:31,622 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:31,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:31,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:31,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:31,626 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:31,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-16 12:28:31,629 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 [2022-11-16 12:28:31,640 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:31,640 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 12:28:31,641 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:31,641 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:31,641 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:31,641 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-16 12:28:31,641 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-16 12:28:31,642 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:31,644 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:31,646 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Ended with exit code 0 [2022-11-16 12:28:31,647 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-16 12:28:31,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:31,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:31,653 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:31,658 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 [2022-11-16 12:28:31,661 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-16 12:28:31,670 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:31,670 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-16 12:28:31,670 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:31,670 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:31,670 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:31,723 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2022-11-16 12:28:31,723 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-16 12:28:31,864 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:31,869 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:31,869 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:31,870 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:31,871 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:31,877 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 [2022-11-16 12:28:31,890 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-16 12:28:31,891 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:31,891 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-16 12:28:31,891 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:31,892 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:31,892 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:31,892 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:31,893 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:28:31,893 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:31,909 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:31,912 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:31,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:31,912 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:31,913 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:31,918 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 [2022-11-16 12:28:31,931 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:31,932 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-16 12:28:31,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:31,932 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:31,932 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:31,932 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:31,933 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:28:31,933 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:31,935 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-16 12:28:31,944 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:31,947 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:31,948 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-16 12:28:31,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:31,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:31,949 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:31,957 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 [2022-11-16 12:28:31,970 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:31,970 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 12:28:31,971 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:31,971 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:31,971 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 12:28:31,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-16 12:28:32,046 INFO L401 nArgumentSynthesizer]: We have 75 Motzkin's Theorem applications. [2022-11-16 12:28:32,047 INFO L402 nArgumentSynthesizer]: A total of 15 supporting invariants were added. [2022-11-16 12:28:32,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:32,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:32,338 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:32,338 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:32,341 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:32,345 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-16 12:28:32,357 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-16 12:28:32,359 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:32,359 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 12:28:32,359 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:32,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:32,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:32,359 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 12:28:32,361 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 12:28:32,361 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:32,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:32,384 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:32,384 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:32,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:32,386 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:32,389 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 [2022-11-16 12:28:32,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-16 12:28:32,403 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:32,403 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 12:28:32,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:32,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:32,404 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:32,404 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-16 12:28:32,405 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-16 12:28:32,405 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:32,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:32,429 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:32,429 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-16 12:28:32,429 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:32,429 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:32,430 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:32,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-16 12:28:32,434 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 [2022-11-16 12:28:32,447 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:32,447 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 12:28:32,447 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:32,447 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:32,447 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:32,491 INFO L401 nArgumentSynthesizer]: We have 60 Motzkin's Theorem applications. [2022-11-16 12:28:32,491 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-16 12:28:32,614 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:32,619 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:32,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:32,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:32,620 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:32,624 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 [2022-11-16 12:28:32,636 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:32,637 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 12:28:32,637 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:32,637 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:32,637 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:32,637 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:32,638 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:28:32,638 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:32,639 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-16 12:28:32,653 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:32,656 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:32,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:32,656 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:32,657 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:32,661 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 [2022-11-16 12:28:32,673 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:32,673 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-16 12:28:32,673 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:32,673 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:32,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:32,674 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-16 12:28:32,674 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-16 12:28:32,674 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:32,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-16 12:28:32,688 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:32,691 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:32,692 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-16 12:28:32,692 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:32,692 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:32,693 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:32,697 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 [2022-11-16 12:28:32,709 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-16 12:28:32,709 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:32,710 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 12:28:32,710 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:32,710 INFO L204 nArgumentSynthesizer]: 3 loop disjuncts [2022-11-16 12:28:32,710 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-16 12:28:32,774 INFO L401 nArgumentSynthesizer]: We have 90 Motzkin's Theorem applications. [2022-11-16 12:28:32,775 INFO L402 nArgumentSynthesizer]: A total of 18 supporting invariants were added. [2022-11-16 12:28:32,933 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:32,937 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Ended with exit code 0 [2022-11-16 12:28:32,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:32,937 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:32,938 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:32,939 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-16 12:28:32,941 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 [2022-11-16 12:28:32,952 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:32,952 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 12:28:32,952 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:32,952 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:32,952 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:32,952 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-16 12:28:32,953 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:28:32,953 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:32,963 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:32,966 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Ended with exit code 0 [2022-11-16 12:28:32,966 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-16 12:28:32,966 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 [2022-11-16 12:28:32,967 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-16 12:28:32,967 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-16 12:28:32,969 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 [2022-11-16 12:28:32,981 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-16 12:28:32,981 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-16 12:28:32,981 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-16 12:28:32,981 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-16 12:28:32,981 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-16 12:28:32,981 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-16 12:28:32,982 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-16 12:28:32,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-16 12:28:33,009 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-16 12:28:33,012 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-16 12:28:33,018 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 16.11 12:28:33 BoogieIcfgContainer [2022-11-16 12:28:33,018 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-16 12:28:33,019 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-16 12:28:33,019 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-16 12:28:33,019 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-16 12:28:33,019 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:28:24" (3/4) ... [2022-11-16 12:28:33,022 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-16 12:28:33,022 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-16 12:28:33,024 INFO L158 Benchmark]: Toolchain (without parser) took 8985.08ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 80.2MB in the beginning and 51.5MB in the end (delta: 28.7MB). Peak memory consumption was 90.3MB. Max. memory is 16.1GB. [2022-11-16 12:28:33,024 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory was 63.8MB in the beginning and 63.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:28:33,025 INFO L158 Benchmark]: CACSL2BoogieTranslator took 251.61ms. Allocated memory is still 111.1MB. Free memory was 80.0MB in the beginning and 89.0MB in the end (delta: -9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:28:33,025 INFO L158 Benchmark]: Boogie Procedure Inliner took 27.42ms. Allocated memory is still 111.1MB. Free memory was 89.0MB in the beginning and 87.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:28:33,025 INFO L158 Benchmark]: Boogie Preprocessor took 17.20ms. Allocated memory is still 111.1MB. Free memory was 87.7MB in the beginning and 86.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:28:33,026 INFO L158 Benchmark]: RCFGBuilder took 215.14ms. Allocated memory is still 111.1MB. Free memory was 86.6MB in the beginning and 78.6MB in the end (delta: 8.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-16 12:28:33,026 INFO L158 Benchmark]: BuchiAutomizer took 8460.14ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 78.3MB in the beginning and 51.5MB in the end (delta: 26.7MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. [2022-11-16 12:28:33,026 INFO L158 Benchmark]: Witness Printer took 3.88ms. Allocated memory is still 172.0MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-16 12:28:33,028 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 111.1MB. Free memory was 63.8MB in the beginning and 63.7MB in the end (delta: 83.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 251.61ms. Allocated memory is still 111.1MB. Free memory was 80.0MB in the beginning and 89.0MB in the end (delta: -9.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 27.42ms. Allocated memory is still 111.1MB. Free memory was 89.0MB in the beginning and 87.7MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 17.20ms. Allocated memory is still 111.1MB. Free memory was 87.7MB in the beginning and 86.6MB in the end (delta: 1.1MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 215.14ms. Allocated memory is still 111.1MB. Free memory was 86.6MB in the beginning and 78.6MB in the end (delta: 8.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 8460.14ms. Allocated memory was 111.1MB in the beginning and 172.0MB in the end (delta: 60.8MB). Free memory was 78.3MB in the beginning and 51.5MB in the end (delta: 26.7MB). Peak memory consumption was 98.1MB. Max. memory is 16.1GB. * Witness Printer took 3.88ms. Allocated memory is still 172.0MB. Free memory is still 51.5MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition into one module whose termination is unknown. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 8.4s and 1 iterations. TraceHistogramMax:1. Analysis of lassos took 8.3s. 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: LassoAnalysisResults: nont0 unkn1 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital64 mio100 ax100 hnf100 lsp135 ukn80 mio100 lsp100 div197 bol100 ite100 ukn100 eq137 hnf97 smp57 dnf247 smp62 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 3 Time: 240ms VariablesStem: 2 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 3 SupportingInvariants: 18 MotzkinApplications: 90 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer is unable to decide termination for the following lasso. Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~x~0#1, main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := 2;" "assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~y~0#1 := (if 1 + main_~y~0#1 < 0 && 0 != (1 + main_~y~0#1) % 2 then 1 + (1 + main_~y~0#1) / 2 else (1 + main_~y~0#1) / 2);" Loop: "assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~y~0#1 := (if 1 + main_~y~0#1 < 0 && 0 != (1 + main_~y~0#1) % 2 then 1 + (1 + main_~y~0#1) / 2 else (1 + main_~y~0#1) / 2);" RESULT: Ultimate could not prove your program: unable to determine termination [2022-11-16 12:28:33,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_45c8e9ad-bfd3-4cfe-bb21-8c8dc6944941/bin/uautomizer-tPACEb0tL8/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