./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b 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_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN --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 5cc55b361d4f01def0eda607149a19c4785fee68e7824d0210bdec8ce7b04371 --- 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-6b4ec56 [2022-11-20 10:45:37,907 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 10:45:37,909 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 10:45:37,928 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 10:45:37,928 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 10:45:37,929 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 10:45:37,931 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 10:45:37,932 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 10:45:37,934 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 10:45:37,935 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 10:45:37,936 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 10:45:37,937 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 10:45:37,937 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 10:45:37,939 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 10:45:37,940 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 10:45:37,941 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 10:45:37,942 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 10:45:37,943 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 10:45:37,945 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 10:45:37,947 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 10:45:37,948 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 10:45:37,954 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 10:45:37,956 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 10:45:37,956 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 10:45:37,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 10:45:37,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 10:45:37,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 10:45:37,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 10:45:37,963 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 10:45:37,964 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 10:45:37,964 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 10:45:37,965 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 10:45:37,966 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 10:45:37,974 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 10:45:37,976 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 10:45:37,977 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 10:45:37,977 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 10:45:37,978 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 10:45:37,979 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 10:45:37,982 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 10:45:37,983 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 10:45:37,984 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 10:45:38,033 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 10:45:38,034 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 10:45:38,034 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 10:45:38,035 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 10:45:38,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 10:45:38,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 10:45:38,036 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 10:45:38,036 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 10:45:38,037 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 10:45:38,037 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 10:45:38,038 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 10:45:38,038 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 10:45:38,038 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 10:45:38,039 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 10:45:38,039 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 10:45:38,039 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 10:45:38,039 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 10:45:38,039 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 10:45:38,040 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 10:45:38,040 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 10:45:38,040 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 10:45:38,040 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 10:45:38,040 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 10:45:38,041 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 10:45:38,041 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 10:45:38,041 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 10:45:38,042 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 10:45:38,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 10:45:38,043 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 10:45:38,044 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_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5cc55b361d4f01def0eda607149a19c4785fee68e7824d0210bdec8ce7b04371 [2022-11-20 10:45:38,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 10:45:38,425 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 10:45:38,428 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 10:45:38,429 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 10:45:38,430 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 10:45:38,431 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-crafted/Bangalore_v4.c [2022-11-20 10:45:41,449 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 10:45:41,658 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 10:45:41,658 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/sv-benchmarks/c/termination-crafted/Bangalore_v4.c [2022-11-20 10:45:41,664 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/data/5afa1456d/0d4069cb4e27402e941ec27a4e26eded/FLAG459b4016a [2022-11-20 10:45:41,679 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/data/5afa1456d/0d4069cb4e27402e941ec27a4e26eded [2022-11-20 10:45:41,681 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 10:45:41,683 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 10:45:41,684 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 10:45:41,684 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 10:45:41,688 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 10:45:41,689 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:41" (1/1) ... [2022-11-20 10:45:41,690 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@706d5fd6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:41, skipping insertion in model container [2022-11-20 10:45:41,690 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:45:41" (1/1) ... [2022-11-20 10:45:41,698 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 10:45:41,712 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 10:45:41,849 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:45:41,854 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 10:45:41,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 10:45:41,875 INFO L208 MainTranslator]: Completed translation [2022-11-20 10:45:41,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:41 WrapperNode [2022-11-20 10:45:41,876 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 10:45:41,877 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 10:45:41,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 10:45:41,878 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 10:45:41,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:41" (1/1) ... [2022-11-20 10:45:41,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:41" (1/1) ... [2022-11-20 10:45:41,908 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 16 [2022-11-20 10:45:41,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 10:45:41,909 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 10:45:41,910 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 10:45:41,910 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 10:45:41,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:41" (1/1) ... [2022-11-20 10:45:41,921 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:41" (1/1) ... [2022-11-20 10:45:41,922 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:41" (1/1) ... [2022-11-20 10:45:41,922 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:41" (1/1) ... [2022-11-20 10:45:41,925 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:41" (1/1) ... [2022-11-20 10:45:41,931 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:41" (1/1) ... [2022-11-20 10:45:41,932 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:41" (1/1) ... [2022-11-20 10:45:41,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:41" (1/1) ... [2022-11-20 10:45:41,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 10:45:41,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 10:45:41,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 10:45:41,936 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 10:45:41,937 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:41" (1/1) ... [2022-11-20 10:45:41,944 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:41,957 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:41,976 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:42,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 10:45:42,028 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 10:45:42,028 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 10:45:42,117 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 10:45:42,120 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 10:45:42,202 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 10:45:42,212 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 10:45:42,212 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 10:45:42,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:42 BoogieIcfgContainer [2022-11-20 10:45:42,216 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 10:45:42,218 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 10:45:42,219 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 10:45:42,223 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 10:45:42,224 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:45:42,224 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 10:45:41" (1/3) ... [2022-11-20 10:45:42,225 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76027e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:45:42, skipping insertion in model container [2022-11-20 10:45:42,226 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:45:42,226 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:45:41" (2/3) ... [2022-11-20 10:45:42,226 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@76027e00 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 10:45:42, skipping insertion in model container [2022-11-20 10:45:42,226 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 10:45:42,227 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:42" (3/3) ... [2022-11-20 10:45:42,228 INFO L332 chiAutomizerObserver]: Analyzing ICFG Bangalore_v4.c [2022-11-20 10:45:42,287 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 10:45:42,288 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 10:45:42,288 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 10:45:42,288 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 10:45:42,288 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 10:45:42,288 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 10:45:42,289 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 10:45:42,289 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 10:45:42,293 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2022-11-20 10:45:42,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:45:42,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:45:42,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:45:42,318 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 10:45:42,318 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 10:45:42,318 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 10:45:42,318 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 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) [2022-11-20 10:45:42,319 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-11-20 10:45:42,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 10:45:42,320 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 10:45:42,320 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-20 10:45:42,320 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 10:45:42,328 INFO L748 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 2#L16true assume main_~y~0#1 > main_~x~0#1; 4#L17-2true [2022-11-20 10:45:42,329 INFO L750 eck$LassoCheckResult]: Loop: 4#L17-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1; 4#L17-2true [2022-11-20 10:45:42,335 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:42,335 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2022-11-20 10:45:42,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:42,346 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [82892009] [2022-11-20 10:45:42,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:42,347 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:42,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:42,450 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:45:42,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:42,484 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:45:42,488 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:42,488 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 1 times [2022-11-20 10:45:42,489 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:42,489 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1538246242] [2022-11-20 10:45:42,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:42,489 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:42,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:42,507 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:45:42,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:42,514 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:45:42,516 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:42,516 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 1 times [2022-11-20 10:45:42,516 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:42,517 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1809630009] [2022-11-20 10:45:42,517 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:42,517 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:42,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:42,527 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:45:42,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:42,545 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:45:42,639 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:45:42,640 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:45:42,640 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:45:42,640 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:45:42,641 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 10:45:42,641 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:42,641 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:45:42,641 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:45:42,641 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore_v4.c_Iteration1_Lasso [2022-11-20 10:45:42,641 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:45:42,641 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:45:42,659 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,670 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,680 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,683 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,687 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,691 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,758 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:45:42,759 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 10:45:42,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:42,761 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:42,765 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:42,771 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:45:42,771 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:45:42,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 10:45:42,797 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 10:45:42,797 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 10:45:42,803 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-20 10:45:42,804 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:42,804 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:42,806 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:42,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 10:45:42,809 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 10:45:42,810 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:45:42,839 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:42,840 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:42,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:42,841 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:42,843 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 10:45:42,845 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 10:45:42,845 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 10:45:42,963 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 10:45:42,971 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:42,971 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 10:45:42,971 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 10:45:42,972 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 10:45:42,972 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 10:45:42,972 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 10:45:42,972 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:42,972 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 10:45:42,972 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 10:45:42,972 INFO L133 ssoRankerPreferences]: Filename of dumped script: Bangalore_v4.c_Iteration1_Lasso [2022-11-20 10:45:42,972 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 10:45:42,972 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 10:45:42,975 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:42,987 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:43,001 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:43,008 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:43,012 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:43,019 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 10:45:43,103 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 10:45:43,108 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 10:45:43,109 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,109 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,115 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,119 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 [2022-11-20 10:45:43,120 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 10:45:43,133 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:43,141 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:45:43,141 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:45:43,156 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,164 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,168 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,181 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 [2022-11-20 10:45:43,194 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,195 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,195 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,195 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:43,200 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 10:45:43,203 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:45:43,204 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:45:43,239 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,247 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,248 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,249 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,260 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 [2022-11-20 10:45:43,273 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,273 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:43,273 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,273 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,274 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:43,274 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:43,275 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:43,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 10:45:43,291 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,303 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,306 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,309 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 [2022-11-20 10:45:43,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 10:45:43,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:43,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:43,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:43,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:43,333 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,341 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,343 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 10:45:43,344 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 10:45:43,355 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,355 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,355 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,355 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:43,358 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:45:43,358 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 10:45:43,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,374 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,375 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,376 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 10:45:43,379 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 10:45:43,390 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,390 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:43,390 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,391 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,391 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 10:45:43,391 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 10:45:43,392 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:43,411 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,414 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,414 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-20 10:45:43,415 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,415 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,416 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,420 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 10:45:43,420 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 [2022-11-20 10:45:43,431 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,431 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,431 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,432 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 10:45:43,437 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-20 10:45:43,437 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-20 10:45:43,451 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,470 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,470 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,487 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,559 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 10:45:43,560 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 [2022-11-20 10:45:43,587 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,587 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,588 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,588 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 10:45:43,594 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-20 10:45:43,594 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-20 10:45:43,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,624 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,635 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 [2022-11-20 10:45:43,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 10:45:43,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:43,650 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,650 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 10:45:43,651 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 10:45:43,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:43,661 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,670 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,672 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,684 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 [2022-11-20 10:45:43,695 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 10:45:43,697 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,697 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:43,697 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,697 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,697 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 10:45:43,698 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 10:45:43,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:43,708 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,723 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,737 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 [2022-11-20 10:45:43,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 10:45:43,749 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,750 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,750 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,750 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 10:45:43,754 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-20 10:45:43,755 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-20 10:45:43,768 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,772 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,773 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,774 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 10:45:43,784 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 [2022-11-20 10:45:43,796 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,796 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:43,797 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,797 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,797 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 10:45:43,799 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 10:45:43,800 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:43,823 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,831 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,831 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-20 10:45:43,831 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,831 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,833 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,844 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 [2022-11-20 10:45:43,857 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,858 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,858 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,858 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:43,863 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 10:45:43,867 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 10:45:43,873 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 10:45:43,899 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,907 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,908 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,911 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:43,920 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 [2022-11-20 10:45:43,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:43,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:43,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:43,935 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:43,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 10:45:43,945 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 10:45:43,948 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 10:45:43,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:43,995 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:43,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:43,996 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:43,997 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,000 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 10:45:44,001 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 [2022-11-20 10:45:44,011 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,011 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,011 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,011 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,012 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:44,015 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:45:44,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,051 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,059 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,060 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,061 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,076 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 10:45:44,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 10:45:44,091 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,091 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,092 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,092 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,092 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:44,093 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:45:44,093 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,103 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,111 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,112 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,112 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,113 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 10:45:44,124 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 [2022-11-20 10:45:44,139 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,140 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,140 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,140 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:44,144 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 10:45:44,144 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 10:45:44,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,174 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,175 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,175 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,176 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,184 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 [2022-11-20 10:45:44,196 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,197 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,197 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:44,199 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:45:44,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,207 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 10:45:44,209 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,213 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,214 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-20 10:45:44,214 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,214 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,218 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,224 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 [2022-11-20 10:45:44,236 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 10:45:44,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,240 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 10:45:44,246 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-20 10:45:44,247 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-20 10:45:44,263 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,271 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,271 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,272 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,276 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 [2022-11-20 10:45:44,289 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,289 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,289 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,289 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 10:45:44,292 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 10:45:44,305 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-20 10:45:44,305 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-20 10:45:44,331 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,339 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,340 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,342 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,345 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 [2022-11-20 10:45:44,358 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,358 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,359 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,359 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,359 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 10:45:44,360 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 10:45:44,360 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 10:45:44,371 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,379 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,380 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,380 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,381 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,385 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 [2022-11-20 10:45:44,400 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,400 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,400 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,400 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,401 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 10:45:44,402 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 10:45:44,402 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 10:45:44,402 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,412 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,420 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,421 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,422 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,426 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 10:45:44,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 10:45:44,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,439 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,439 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,439 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 10:45:44,444 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-20 10:45:44,444 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-20 10:45:44,467 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,475 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,475 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,475 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,477 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,519 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 [2022-11-20 10:45:44,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 10:45:44,532 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 10:45:44,533 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,533 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,533 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,533 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 10:45:44,534 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 10:45:44,534 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,559 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,567 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,567 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-20 10:45:44,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,568 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,573 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 [2022-11-20 10:45:44,586 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:44,586 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 10:45:44,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,586 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 10:45:44,589 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 10:45:44,590 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-20 10:45:44,590 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-20 10:45:44,611 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,618 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,619 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,619 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,620 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,625 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 [2022-11-20 10:45:44,635 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 10:45:44,637 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:44,638 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 10:45:44,638 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,638 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,638 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 10:45:44,642 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-20 10:45:44,643 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-20 10:45:44,667 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,676 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,680 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 [2022-11-20 10:45:44,693 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:44,693 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 10:45:44,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,693 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,693 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 10:45:44,694 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 10:45:44,694 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 10:45:44,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,704 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,708 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,709 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,713 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 [2022-11-20 10:45:44,726 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:44,726 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 10:45:44,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,726 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 10:45:44,728 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 10:45:44,729 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 10:45:44,729 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,739 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,743 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,743 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,744 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,748 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 [2022-11-20 10:45:44,760 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:44,761 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 10:45:44,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,761 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 10:45:44,764 INFO L401 nArgumentSynthesizer]: We have 9 Motzkin's Theorem applications. [2022-11-20 10:45:44,765 INFO L402 nArgumentSynthesizer]: A total of 3 supporting invariants were added. [2022-11-20 10:45:44,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 10:45:44,783 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,791 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,791 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,792 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,797 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 [2022-11-20 10:45:44,810 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:44,810 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 10:45:44,810 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,811 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,811 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,811 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 10:45:44,812 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 10:45:44,812 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,813 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 10:45:44,835 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,838 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,839 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-20 10:45:44,839 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,839 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,840 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,844 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 [2022-11-20 10:45:44,857 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 10:45:44,858 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:44,859 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 10:45:44,859 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,859 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,859 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:44,865 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 10:45:44,865 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 10:45:44,887 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,893 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,900 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 [2022-11-20 10:45:44,913 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 10:45:44,915 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:44,915 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 10:45:44,915 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,915 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,915 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:44,922 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 10:45:44,923 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 10:45:44,948 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,952 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,954 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:44,959 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 [2022-11-20 10:45:44,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 10:45:44,974 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:44,974 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 10:45:44,974 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:44,974 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:44,974 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:44,974 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:44,976 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:45:44,976 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:44,987 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:44,990 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:44,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:44,992 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:44,994 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,004 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 [2022-11-20 10:45:45,017 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 10:45:45,019 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,019 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 10:45:45,019 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:45,019 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,019 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,019 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:45,021 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:45:45,021 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:45,039 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,043 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,045 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,051 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 [2022-11-20 10:45:45,065 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,065 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 10:45:45,065 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 10:45:45,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,065 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:45,069 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 10:45:45,069 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 10:45:45,084 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,092 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,093 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,094 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,103 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 [2022-11-20 10:45:45,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 10:45:45,116 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,116 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 10:45:45,117 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:45,117 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,117 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,117 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:45,118 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:45:45,118 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:45,147 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,155 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-20 10:45:45,155 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,155 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,156 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,160 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 [2022-11-20 10:45:45,173 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,173 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 10:45:45,173 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,173 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,173 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 10:45:45,176 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-20 10:45:45,178 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-20 10:45:45,179 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-20 10:45:45,195 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,199 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,201 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,205 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 10:45:45,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 10:45:45,220 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,220 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 10:45:45,220 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,221 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,221 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 10:45:45,228 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-20 10:45:45,228 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-20 10:45:45,255 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,259 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,260 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,263 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 [2022-11-20 10:45:45,277 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,277 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 10:45:45,277 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:45,277 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,277 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,277 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 10:45:45,278 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-20 10:45:45,279 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 10:45:45,279 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:45,299 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,302 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,304 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,310 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 [2022-11-20 10:45:45,323 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,323 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 10:45:45,324 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:45,324 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,324 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,324 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 10:45:45,326 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 10:45:45,326 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:45,327 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-20 10:45:45,343 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,348 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,352 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 [2022-11-20 10:45:45,365 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,365 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 10:45:45,365 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,365 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,365 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 10:45:45,367 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-20 10:45:45,371 INFO L401 nArgumentSynthesizer]: We have 15 Motzkin's Theorem applications. [2022-11-20 10:45:45,371 INFO L402 nArgumentSynthesizer]: A total of 5 supporting invariants were added. [2022-11-20 10:45:45,395 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,399 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,399 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,400 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,404 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 10:45:45,417 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,418 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 10:45:45,418 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:45,418 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,418 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,418 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 10:45:45,420 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 10:45:45,420 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:45,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-20 10:45:45,443 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,446 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,447 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-20 10:45:45,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,447 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,448 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,455 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-20 10:45:45,455 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 [2022-11-20 10:45:45,465 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,466 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 10:45:45,466 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,466 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,466 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:45,474 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 10:45:45,474 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 10:45:45,499 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,502 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,504 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,511 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 [2022-11-20 10:45:45,524 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,524 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 10:45:45,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,524 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,524 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:45,529 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 10:45:45,530 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 10:45:45,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-20 10:45:45,546 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,550 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,550 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,550 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,552 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,560 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 [2022-11-20 10:45:45,574 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,574 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 10:45:45,574 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:45,574 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,574 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,574 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:45,575 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:45:45,575 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:45,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-20 10:45:45,587 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,592 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,592 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,593 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,595 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-20 10:45:45,596 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 [2022-11-20 10:45:45,607 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,607 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 10:45:45,607 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:45,607 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,607 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,607 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:45,608 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:45:45,608 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:45,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,623 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,631 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 [2022-11-20 10:45:45,645 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,645 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 10:45:45,645 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,645 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,645 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:45,648 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-20 10:45:45,649 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 10:45:45,649 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-20 10:45:45,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,679 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,682 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 [2022-11-20 10:45:45,695 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,695 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 10:45:45,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:45,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,696 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 10:45:45,697 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 10:45:45,697 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:45,698 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-20 10:45:45,715 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,718 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,719 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-20 10:45:45,720 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,720 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,721 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,725 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 [2022-11-20 10:45:45,738 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,738 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 10:45:45,738 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,738 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,738 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 10:45:45,740 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-20 10:45:45,744 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-11-20 10:45:45,744 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-20 10:45:45,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,770 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,771 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,771 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,772 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,775 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 [2022-11-20 10:45:45,788 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,788 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 10:45:45,789 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,789 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,789 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 10:45:45,790 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-20 10:45:45,796 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-11-20 10:45:45,796 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-20 10:45:45,820 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,823 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,824 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,824 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,825 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,828 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 [2022-11-20 10:45:45,841 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,841 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 10:45:45,841 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:45,842 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,842 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,842 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 10:45:45,860 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:45:45,860 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:45,860 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-20 10:45:45,881 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,885 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,885 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,885 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,886 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,891 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 [2022-11-20 10:45:45,904 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,904 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 10:45:45,904 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:45,905 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,905 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,905 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 10:45:45,906 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:45:45,906 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:45,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-20 10:45:45,923 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,928 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,928 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,928 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,929 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,933 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 [2022-11-20 10:45:45,934 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-20 10:45:45,946 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:45,947 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 10:45:45,947 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:45,947 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:45,947 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 10:45:45,952 INFO L401 nArgumentSynthesizer]: We have 18 Motzkin's Theorem applications. [2022-11-20 10:45:45,952 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-20 10:45:45,975 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:45,978 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:45,978 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 10:45:45,979 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:45,980 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 10:45:45,987 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 [2022-11-20 10:45:46,000 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 10:45:46,000 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 10:45:46,000 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 10:45:46,000 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 10:45:46,000 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 10:45:46,000 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 10:45:46,002 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 10:45:46,002 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 10:45:46,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-20 10:45:46,019 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 10:45:46,022 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:46,023 INFO L369 stractBuchiCegarLoop]: Result of lasso check was UNKNOWN. I will concatenate loop to stem and try again. [2022-11-20 10:45:46,023 INFO L748 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 2#L16true assume main_~y~0#1 > main_~x~0#1; 4#L17-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1; 4#L17-2true [2022-11-20 10:45:46,023 INFO L750 eck$LassoCheckResult]: Loop: 4#L17-2true assume !!(main_~x~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1; 4#L17-2true [2022-11-20 10:45:46,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:46,024 INFO L85 PathProgramCache]: Analyzing trace with hash 925612, now seen corresponding path program 2 times [2022-11-20 10:45:46,024 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:46,024 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297891007] [2022-11-20 10:45:46,024 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:46,024 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:46,029 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:45:46,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:46,033 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:45:46,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:46,034 INFO L85 PathProgramCache]: Analyzing trace with hash 45, now seen corresponding path program 2 times [2022-11-20 10:45:46,034 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:46,034 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922976540] [2022-11-20 10:45:46,034 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:46,035 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:46,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:46,039 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 10:45:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 10:45:46,042 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 10:45:46,042 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 10:45:46,042 INFO L85 PathProgramCache]: Analyzing trace with hash 28693986, now seen corresponding path program 3 times [2022-11-20 10:45:46,043 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 10:45:46,043 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1762967083] [2022-11-20 10:45:46,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 10:45:46,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 10:45:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 10:45:46,103 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:46,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 10:45:46,105 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1762967083] [2022-11-20 10:45:46,106 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1762967083] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-20 10:45:46,106 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1660273274] [2022-11-20 10:45:46,106 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2022-11-20 10:45:46,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-20 10:45:46,107 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 10:45:46,108 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-20 10:45:46,127 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Waiting until timeout for monitored process [2022-11-20 10:45:46,153 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2022-11-20 10:45:46,153 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2022-11-20 10:45:46,155 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 10:45:46,156 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 10:45:46,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:46,198 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-20 10:45:46,234 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 10:45:46,234 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1660273274] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-20 10:45:46,234 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-20 10:45:46,235 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 3 [2022-11-20 10:45:46,235 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1198976706] [2022-11-20 10:45:46,236 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-20 10:45:46,264 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 10:45:46,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2022-11-20 10:45:46,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2022-11-20 10:45:46,299 INFO L87 Difference]: Start difference. First operand has 8 states, 7 states have (on average 1.4285714285714286) internal successors, (10), 7 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 10:45:46,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 10:45:46,327 INFO L93 Difference]: Finished difference Result 13 states and 13 transitions. [2022-11-20 10:45:46,328 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 13 transitions. [2022-11-20 10:45:46,329 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:45:46,332 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 0 states and 0 transitions. [2022-11-20 10:45:46,333 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 10:45:46,333 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 10:45:46,334 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 10:45:46,334 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 10:45:46,334 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:45:46,334 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:45:46,335 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2022-11-20 10:45:46,339 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 10:45:46,339 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 10:45:46,339 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 10:45:46,339 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 10:45:46,340 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 10:45:46,344 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 10:45:46 BoogieIcfgContainer [2022-11-20 10:45:46,345 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 10:45:46,345 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 10:45:46,345 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 10:45:46,346 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 10:45:46,346 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:45:42" (3/4) ... [2022-11-20 10:45:46,349 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 10:45:46,349 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 10:45:46,350 INFO L158 Benchmark]: Toolchain (without parser) took 4667.01ms. Allocated memory is still 163.6MB. Free memory was 119.2MB in the beginning and 104.8MB in the end (delta: 14.4MB). Peak memory consumption was 16.6MB. Max. memory is 16.1GB. [2022-11-20 10:45:46,350 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory was 89.4MB in the beginning and 89.4MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:45:46,350 INFO L158 Benchmark]: CACSL2BoogieTranslator took 192.46ms. Allocated memory is still 163.6MB. Free memory was 119.2MB in the beginning and 110.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 10:45:46,351 INFO L158 Benchmark]: Boogie Procedure Inliner took 31.64ms. Allocated memory is still 163.6MB. Free memory was 110.3MB in the beginning and 108.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 10:45:46,351 INFO L158 Benchmark]: Boogie Preprocessor took 24.54ms. Allocated memory is still 163.6MB. Free memory was 108.7MB in the beginning and 107.7MB in the end (delta: 983.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:45:46,351 INFO L158 Benchmark]: RCFGBuilder took 281.65ms. Allocated memory is still 163.6MB. Free memory was 107.7MB in the beginning and 99.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 10:45:46,351 INFO L158 Benchmark]: BuchiAutomizer took 4126.28ms. Allocated memory is still 163.6MB. Free memory was 99.4MB in the beginning and 104.8MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:45:46,352 INFO L158 Benchmark]: Witness Printer took 3.89ms. Allocated memory is still 163.6MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 10:45:46,353 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 123.7MB. Free memory was 89.4MB in the beginning and 89.4MB in the end (delta: 27.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 192.46ms. Allocated memory is still 163.6MB. Free memory was 119.2MB in the beginning and 110.3MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 31.64ms. Allocated memory is still 163.6MB. Free memory was 110.3MB in the beginning and 108.7MB in the end (delta: 1.5MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 24.54ms. Allocated memory is still 163.6MB. Free memory was 108.7MB in the beginning and 107.7MB in the end (delta: 983.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 281.65ms. Allocated memory is still 163.6MB. Free memory was 107.7MB in the beginning and 99.7MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4126.28ms. Allocated memory is still 163.6MB. Free memory was 99.4MB in the beginning and 104.8MB in the end (delta: -5.4MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 3.89ms. Allocated memory is still 163.6MB. Free memory is still 104.8MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (1 trivial, 0 deterministic, 0 nondeterministic). 1 modules have a trivial ranking function, the largest among these consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 3.9s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 2 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 8 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2 mSolverCounterUnsat, 10 mSDtfsCounter, 8 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc1 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 10:45:46,367 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/z3 -smt2 -in SMTLIB2_COMPLIANT=true (59)] Forceful destruction successful, exit code 0 [2022-11-20 10:45:46,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_536bc256-de3e-49fc-af3b-62d902d08755/bin/uautomizer-ug76WZFUDN/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 Writing output log to file Ultimate.log Result: TRUE