./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-05.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 4e7fbc69 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-05.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS --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 48505588d7e651383dbb51501a7ba8151dafe2f0aaf2cdca9e989876f7735131 --- 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-4e7fbc6 [2022-11-23 01:50:31,254 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-23 01:50:31,257 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-23 01:50:31,281 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-23 01:50:31,281 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-23 01:50:31,283 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-23 01:50:31,284 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-23 01:50:31,286 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-23 01:50:31,288 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-23 01:50:31,289 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-23 01:50:31,290 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-23 01:50:31,292 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-23 01:50:31,292 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-23 01:50:31,293 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-23 01:50:31,294 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-23 01:50:31,296 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-23 01:50:31,297 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-23 01:50:31,298 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-23 01:50:31,300 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-23 01:50:31,302 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-23 01:50:31,303 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-23 01:50:31,305 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-23 01:50:31,306 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-23 01:50:31,307 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-23 01:50:31,311 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-23 01:50:31,312 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-23 01:50:31,312 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-23 01:50:31,313 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-23 01:50:31,314 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-23 01:50:31,315 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-23 01:50:31,315 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-23 01:50:31,316 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-23 01:50:31,317 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-23 01:50:31,318 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-23 01:50:31,319 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-23 01:50:31,319 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-23 01:50:31,320 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-23 01:50:31,320 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-23 01:50:31,321 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-23 01:50:31,331 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-23 01:50:31,331 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-23 01:50:31,332 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-23 01:50:31,379 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-23 01:50:31,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-23 01:50:31,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-23 01:50:31,380 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-23 01:50:31,381 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-23 01:50:31,381 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-23 01:50:31,382 INFO L138 SettingsManager]: * Use SBE=true [2022-11-23 01:50:31,382 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-23 01:50:31,382 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-23 01:50:31,382 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-23 01:50:31,382 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-23 01:50:31,383 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-23 01:50:31,383 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-23 01:50:31,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-23 01:50:31,383 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-23 01:50:31,383 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-23 01:50:31,383 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-23 01:50:31,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-23 01:50:31,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-23 01:50:31,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-23 01:50:31,384 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-23 01:50:31,384 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-23 01:50:31,384 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-23 01:50:31,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-23 01:50:31,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-23 01:50:31,385 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-23 01:50:31,385 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-23 01:50:31,385 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-23 01:50:31,386 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-23 01:50:31,387 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_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 48505588d7e651383dbb51501a7ba8151dafe2f0aaf2cdca9e989876f7735131 [2022-11-23 01:50:31,663 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-23 01:50:31,689 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-23 01:50:31,694 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-23 01:50:31,695 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-23 01:50:31,696 INFO L275 PluginConnector]: CDTParser initialized [2022-11-23 01:50:31,697 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/../../sv-benchmarks/c/termination-bwb/and-05.c [2022-11-23 01:50:34,767 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-23 01:50:34,972 INFO L351 CDTParser]: Found 1 translation units. [2022-11-23 01:50:34,972 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/sv-benchmarks/c/termination-bwb/and-05.c [2022-11-23 01:50:34,979 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/data/79f0c60b7/8cf84c96f0a5400dafe951303c8157d8/FLAGd3a712a56 [2022-11-23 01:50:35,002 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/data/79f0c60b7/8cf84c96f0a5400dafe951303c8157d8 [2022-11-23 01:50:35,008 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-23 01:50:35,011 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-23 01:50:35,015 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-23 01:50:35,015 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-23 01:50:35,020 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-23 01:50:35,021 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:50:35" (1/1) ... [2022-11-23 01:50:35,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@106565a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:35, skipping insertion in model container [2022-11-23 01:50:35,022 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:50:35" (1/1) ... [2022-11-23 01:50:35,031 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-23 01:50:35,051 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-23 01:50:35,233 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:50:35,238 INFO L203 MainTranslator]: Completed pre-run [2022-11-23 01:50:35,251 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-23 01:50:35,263 INFO L208 MainTranslator]: Completed translation [2022-11-23 01:50:35,264 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:35 WrapperNode [2022-11-23 01:50:35,264 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-23 01:50:35,265 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-23 01:50:35,265 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-23 01:50:35,266 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-23 01:50:35,273 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:35" (1/1) ... [2022-11-23 01:50:35,280 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:35" (1/1) ... [2022-11-23 01:50:35,345 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 25 [2022-11-23 01:50:35,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-23 01:50:35,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-23 01:50:35,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-23 01:50:35,347 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-23 01:50:35,356 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:35" (1/1) ... [2022-11-23 01:50:35,357 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:35" (1/1) ... [2022-11-23 01:50:35,357 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:35" (1/1) ... [2022-11-23 01:50:35,357 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:35" (1/1) ... [2022-11-23 01:50:35,360 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:35" (1/1) ... [2022-11-23 01:50:35,364 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:35" (1/1) ... [2022-11-23 01:50:35,364 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:35" (1/1) ... [2022-11-23 01:50:35,365 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:35" (1/1) ... [2022-11-23 01:50:35,366 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-23 01:50:35,367 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-23 01:50:35,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-23 01:50:35,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-23 01:50:35,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:35" (1/1) ... [2022-11-23 01:50:35,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:35,386 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:35,400 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:35,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-23 01:50:35,450 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-23 01:50:35,450 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-23 01:50:35,511 INFO L235 CfgBuilder]: Building ICFG [2022-11-23 01:50:35,514 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-23 01:50:35,651 INFO L276 CfgBuilder]: Performing block encoding [2022-11-23 01:50:35,658 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-23 01:50:35,658 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-23 01:50:35,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:50:35 BoogieIcfgContainer [2022-11-23 01:50:35,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-23 01:50:35,661 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-23 01:50:35,661 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-23 01:50:35,665 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-23 01:50:35,668 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 01:50:35,668 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 01:50:35" (1/3) ... [2022-11-23 01:50:35,670 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41f32ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:50:35, skipping insertion in model container [2022-11-23 01:50:35,670 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 01:50:35,670 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:50:35" (2/3) ... [2022-11-23 01:50:35,672 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41f32ac5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 01:50:35, skipping insertion in model container [2022-11-23 01:50:35,672 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-23 01:50:35,672 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:50:35" (3/3) ... [2022-11-23 01:50:35,679 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-05.c [2022-11-23 01:50:35,756 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-23 01:50:35,756 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-23 01:50:35,756 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-23 01:50:35,757 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-23 01:50:35,757 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-23 01:50:35,757 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-23 01:50:35,757 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-23 01:50:35,757 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-23 01:50:35,765 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:50:35,785 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-23 01:50:35,785 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:50:35,785 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:50:35,791 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-23 01:50:35,791 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 01:50:35,791 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-23 01:50:35,791 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:50:35,793 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-23 01:50:35,794 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:50:35,794 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:50:35,794 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-23 01:50:35,794 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-23 01:50:35,803 INFO L748 eck$LassoCheckResult]: Stem: 5#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_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~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; 7#L16-2true [2022-11-23 01:50:35,804 INFO L750 eck$LassoCheckResult]: Loop: 7#L16-2true assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 3#L17true assume 0 == main_~x~0#1 - 1 || 0 == main_~y~0#1;main_#t~nondet2#1 := 0; 10#L17-4true main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 7#L16-2true [2022-11-23 01:50:35,810 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:35,811 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-23 01:50:35,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:50:35,821 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922008735] [2022-11-23 01:50:35,822 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:35,822 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:50:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:35,958 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:50:35,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:35,995 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:50:35,998 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:35,998 INFO L85 PathProgramCache]: Analyzing trace with hash 40819, now seen corresponding path program 1 times [2022-11-23 01:50:35,999 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:50:35,999 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [712136895] [2022-11-23 01:50:35,999 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:35,999 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:50:36,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:36,040 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:50:36,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:36,058 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:50:36,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:36,060 INFO L85 PathProgramCache]: Analyzing trace with hash 28699761, now seen corresponding path program 1 times [2022-11-23 01:50:36,060 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:50:36,061 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [476702577] [2022-11-23 01:50:36,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:36,061 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:50:36,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:36,082 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:50:36,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:36,092 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:50:36,274 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 01:50:36,274 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 01:50:36,274 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 01:50:36,275 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 01:50:36,275 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-23 01:50:36,275 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:36,275 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 01:50:36,275 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 01:50:36,276 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration1_Loop [2022-11-23 01:50:36,276 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 01:50:36,276 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 01:50:36,297 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:36,340 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:36,400 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 01:50:36,400 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-23 01:50:36,403 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:36,403 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:36,410 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:36,417 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 01:50:36,418 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 01:50:36,432 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-23 01:50:36,454 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2022-11-23 01:50:36,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:36,454 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:36,458 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:36,469 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-23 01:50:36,470 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 01:50:36,482 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-23 01:50:36,565 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-23 01:50:36,574 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:36,575 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 01:50:36,575 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 01:50:36,575 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 01:50:36,575 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 01:50:36,576 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 01:50:36,576 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:36,576 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 01:50:36,576 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 01:50:36,576 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration1_Loop [2022-11-23 01:50:36,576 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 01:50:36,576 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 01:50:36,578 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:36,599 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:36,659 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 01:50:36,663 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 01:50:36,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:36,665 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:36,666 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:36,675 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 [2022-11-23 01:50:36,687 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:36,688 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:36,688 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:36,688 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:36,689 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:50:36,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:50:36,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:36,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-23 01:50:36,714 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 01:50:36,727 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-23 01:50:36,727 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-23 01:50:36,728 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:36,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:36,743 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:36,751 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-23 01:50:36,753 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 01:50:36,753 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-23 01:50:36,753 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 01:50:36,754 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-11-23 01:50:36,760 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-23 01:50:36,763 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-23 01:50:36,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:36,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:36,802 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 01:50:36,804 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:50:36,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:36,823 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 01:50:36,824 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:50:36,864 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:50:36,897 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 01:50:36,899 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.25) 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) [2022-11-23 01:50:37,022 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.25) 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) Result 42 states and 54 transitions. Complement of second has 13 states. [2022-11-23 01:50:37,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 8 states 1 stem states 5 non-accepting loop states 1 accepting loop states [2022-11-23 01:50:37,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) 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) [2022-11-23 01:50:37,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8 states to 8 states and 29 transitions. [2022-11-23 01:50:37,030 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-23 01:50:37,031 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:50:37,031 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-23 01:50:37,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:50:37,032 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 8 states and 29 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-23 01:50:37,032 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:50:37,033 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 42 states and 54 transitions. [2022-11-23 01:50:37,036 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-23 01:50:37,039 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 42 states to 20 states and 28 transitions. [2022-11-23 01:50:37,041 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-23 01:50:37,041 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-23 01:50:37,041 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 28 transitions. [2022-11-23 01:50:37,042 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 01:50:37,042 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 28 transitions. [2022-11-23 01:50:37,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 28 transitions. [2022-11-23 01:50:37,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 13. [2022-11-23 01:50:37,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.3846153846153846) internal successors, (18), 12 states have internal predecessors, (18), 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) [2022-11-23 01:50:37,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 18 transitions. [2022-11-23 01:50:37,068 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-23 01:50:37,069 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 18 transitions. [2022-11-23 01:50:37,069 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-23 01:50:37,069 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 18 transitions. [2022-11-23 01:50:37,070 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-23 01:50:37,070 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:50:37,070 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:50:37,070 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1] [2022-11-23 01:50:37,070 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-23 01:50:37,070 INFO L748 eck$LassoCheckResult]: Stem: 112#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 113#L-1 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_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~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; 116#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 109#L17 [2022-11-23 01:50:37,071 INFO L750 eck$LassoCheckResult]: Loop: 109#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 105#L17-2 assume main_~x~0#1 - 1 == main_~y~0#1;main_#t~nondet2#1 := main_~x~0#1 - 1; 106#L17-4 main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 114#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 109#L17 [2022-11-23 01:50:37,071 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:37,071 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-11-23 01:50:37,071 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:50:37,072 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141330298] [2022-11-23 01:50:37,072 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:37,072 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:50:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:37,076 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:50:37,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:37,079 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:50:37,080 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:37,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1419160, now seen corresponding path program 1 times [2022-11-23 01:50:37,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:50:37,080 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [623935414] [2022-11-23 01:50:37,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:37,081 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:50:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:37,093 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:50:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:37,102 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:50:37,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:37,103 INFO L85 PathProgramCache]: Analyzing trace with hash 1810723007, now seen corresponding path program 1 times [2022-11-23 01:50:37,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:50:37,103 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [264961974] [2022-11-23 01:50:37,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:37,104 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:50:37,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:37,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:50:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:37,116 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:50:37,155 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 01:50:37,155 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 01:50:37,155 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 01:50:37,156 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 01:50:37,156 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-23 01:50:37,156 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:37,156 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 01:50:37,156 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 01:50:37,156 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration2_Loop [2022-11-23 01:50:37,156 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 01:50:37,156 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 01:50:37,158 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:37,167 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:37,195 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 01:50:37,195 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-23 01:50:37,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:37,195 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:37,196 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:37,203 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 01:50:37,204 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 01:50:37,216 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-23 01:50:37,237 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:37,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:37,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:37,239 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:37,252 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-23 01:50:37,252 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 01:50:37,266 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-23 01:50:37,359 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-23 01:50:37,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:37,363 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 01:50:37,363 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 01:50:37,363 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 01:50:37,363 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 01:50:37,364 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 01:50:37,364 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:37,364 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 01:50:37,364 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 01:50:37,364 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration2_Loop [2022-11-23 01:50:37,364 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 01:50:37,364 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 01:50:37,365 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:37,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:37,423 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 01:50:37,423 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 01:50:37,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:37,424 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:37,427 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:37,440 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 [2022-11-23 01:50:37,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-23 01:50:37,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:37,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:37,453 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:37,453 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:37,453 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:50:37,455 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:50:37,455 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:37,465 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 01:50:37,492 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-23 01:50:37,493 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-23 01:50:37,493 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:37,493 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:37,498 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:37,510 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 01:50:37,510 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-23 01:50:37,510 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 01:50:37,510 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-11-23 01:50:37,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-23 01:50:37,532 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:37,533 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-23 01:50:37,547 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:37,552 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 01:50:37,552 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:50:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:37,575 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 01:50:37,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:50:37,640 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:50:37,641 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 01:50:37,641 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7 Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:50:37,698 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 18 transitions. cyclomatic complexity: 7. Second operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 43 transitions. Complement of second has 9 states. [2022-11-23 01:50:37,699 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 3 non-accepting loop states 1 accepting loop states [2022-11-23 01:50:37,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 1.4) internal successors, (7), 5 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-23 01:50:37,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 9 transitions. [2022-11-23 01:50:37,700 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 3 letters. Loop has 4 letters. [2022-11-23 01:50:37,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:50:37,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 7 letters. Loop has 4 letters. [2022-11-23 01:50:37,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:50:37,701 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 9 transitions. Stem has 3 letters. Loop has 8 letters. [2022-11-23 01:50:37,701 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:50:37,702 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 34 states and 43 transitions. [2022-11-23 01:50:37,703 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-23 01:50:37,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 34 states to 27 states and 36 transitions. [2022-11-23 01:50:37,705 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-23 01:50:37,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2022-11-23 01:50:37,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 27 states and 36 transitions. [2022-11-23 01:50:37,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 01:50:37,706 INFO L218 hiAutomatonCegarLoop]: Abstraction has 27 states and 36 transitions. [2022-11-23 01:50:37,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states and 36 transitions. [2022-11-23 01:50:37,710 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2022-11-23 01:50:37,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 24 states have (on average 1.375) internal successors, (33), 23 states have internal predecessors, (33), 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) [2022-11-23 01:50:37,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 33 transitions. [2022-11-23 01:50:37,712 INFO L240 hiAutomatonCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-23 01:50:37,712 INFO L428 stractBuchiCegarLoop]: Abstraction has 24 states and 33 transitions. [2022-11-23 01:50:37,712 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-23 01:50:37,712 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 33 transitions. [2022-11-23 01:50:37,713 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-23 01:50:37,716 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:50:37,716 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:50:37,717 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-23 01:50:37,717 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-23 01:50:37,717 INFO L748 eck$LassoCheckResult]: Stem: 210#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 211#L-1 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_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~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; 215#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 201#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 203#L17-2 assume !(main_~x~0#1 - 1 == main_~y~0#1);main_#t~nondet2#1 := ~bitwiseAnd(main_~x~0#1 - 1, main_~y~0#1);assume (main_~x~0#1 - 1 < 0 || main_~y~0#1 < 0) || (main_#t~nondet2#1 <= main_~x~0#1 - 1 && main_#t~nondet2#1 <= main_~y~0#1);assume (main_~x~0#1 - 1 < 0 && main_~y~0#1 < 0) || main_#t~nondet2#1 >= 0;assume (main_~x~0#1 - 1 >= 0 && main_~y~0#1 >= 0) || main_#t~nondet2#1 > main_~x~0#1 - 1 + main_~y~0#1; 207#L17-4 [2022-11-23 01:50:37,718 INFO L750 eck$LassoCheckResult]: Loop: 207#L17-4 main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 212#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 213#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 217#L17-2 assume main_~x~0#1 - 1 == main_~y~0#1;main_#t~nondet2#1 := main_~x~0#1 - 1; 207#L17-4 [2022-11-23 01:50:37,718 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:37,718 INFO L85 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 1 times [2022-11-23 01:50:37,719 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:50:37,720 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1861289196] [2022-11-23 01:50:37,720 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:37,721 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:50:37,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:37,732 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:50:37,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:37,746 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:50:37,747 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:37,747 INFO L85 PathProgramCache]: Analyzing trace with hash 1619800, now seen corresponding path program 2 times [2022-11-23 01:50:37,748 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:50:37,748 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [462706298] [2022-11-23 01:50:37,749 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:37,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:50:37,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:37,755 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:50:37,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:37,761 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:50:37,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:37,762 INFO L85 PathProgramCache]: Analyzing trace with hash 644902404, now seen corresponding path program 1 times [2022-11-23 01:50:37,762 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:50:37,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542022210] [2022-11-23 01:50:37,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:37,763 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:50:37,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:37,891 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-23 01:50:37,904 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:37,919 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:50:37,919 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-23 01:50:37,920 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542022210] [2022-11-23 01:50:37,920 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1542022210] provided 0 perfect and 1 imperfect interpolant sequences [2022-11-23 01:50:37,921 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [915713773] [2022-11-23 01:50:37,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:37,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2022-11-23 01:50:37,921 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:37,922 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2022-11-23 01:50:37,946 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2022-11-23 01:50:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:37,970 INFO L263 TraceCheckSpWp]: Trace formula consists of 22 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-23 01:50:37,971 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:50:38,112 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:50:38,113 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2022-11-23 01:50:38,182 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:50:38,184 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleZ3 [915713773] provided 0 perfect and 2 imperfect interpolant sequences [2022-11-23 01:50:38,184 INFO L184 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2022-11-23 01:50:38,184 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2022-11-23 01:50:38,185 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [994606483] [2022-11-23 01:50:38,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2022-11-23 01:50:38,239 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 01:50:38,239 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 01:50:38,239 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 01:50:38,240 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 01:50:38,241 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-23 01:50:38,241 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:38,241 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 01:50:38,248 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 01:50:38,249 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Loop [2022-11-23 01:50:38,249 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 01:50:38,249 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 01:50:38,250 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:38,291 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 01:50:38,291 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-23 01:50:38,291 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:38,291 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:38,295 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:38,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 01:50:38,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 01:50:38,318 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-23 01:50:38,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:38,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:38,346 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:38,347 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:38,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-23 01:50:38,355 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-23 01:50:38,355 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 01:50:42,471 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-23 01:50:42,476 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:42,476 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 01:50:42,476 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 01:50:42,476 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 01:50:42,476 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 01:50:42,476 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 01:50:42,477 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:42,477 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 01:50:42,477 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 01:50:42,477 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration3_Loop [2022-11-23 01:50:42,477 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 01:50:42,477 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 01:50:42,478 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:42,528 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 01:50:42,528 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 01:50:42,528 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:42,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:42,529 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:42,541 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 [2022-11-23 01:50:42,553 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:42,553 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:42,553 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:42,553 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:42,554 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:50:42,555 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-23 01:50:42,556 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:50:42,556 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:42,566 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 01:50:42,573 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-23 01:50:42,573 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-23 01:50:42,574 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:42,574 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:42,579 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:42,583 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-23 01:50:42,583 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 01:50:42,584 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-23 01:50:42,584 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 01:50:42,584 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_#t~nondet2#1) = 1*ULTIMATE.start_main_#t~nondet2#1 Supporting invariants [] [2022-11-23 01:50:42,589 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2022-11-23 01:50:42,589 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-23 01:50:42,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:42,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:42,617 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-23 01:50:42,617 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:50:42,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-23 01:50:42,638 WARN L261 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 6 conjunts are in the unsatisfiable core [2022-11-23 01:50:42,639 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-23 01:50:42,672 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-23 01:50:42,678 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2022-11-23 01:50:42,679 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 24 states and 33 transitions. cyclomatic complexity: 13 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-23 01:50:42,724 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 24 states and 33 transitions. cyclomatic complexity: 13. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 57 states and 77 transitions. Complement of second has 7 states. [2022-11-23 01:50:42,725 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-23 01:50:42,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 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) [2022-11-23 01:50:42,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-11-23 01:50:42,728 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-23 01:50:42,728 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:50:42,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 9 letters. Loop has 4 letters. [2022-11-23 01:50:42,729 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:50:42,729 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 5 letters. Loop has 8 letters. [2022-11-23 01:50:42,730 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-23 01:50:42,730 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 57 states and 77 transitions. [2022-11-23 01:50:42,737 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-23 01:50:42,741 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 57 states to 55 states and 75 transitions. [2022-11-23 01:50:42,742 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 18 [2022-11-23 01:50:42,742 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-11-23 01:50:42,742 INFO L73 IsDeterministic]: Start isDeterministic. Operand 55 states and 75 transitions. [2022-11-23 01:50:42,742 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 01:50:42,743 INFO L218 hiAutomatonCegarLoop]: Abstraction has 55 states and 75 transitions. [2022-11-23 01:50:42,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states and 75 transitions. [2022-11-23 01:50:42,746 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2022-11-23 01:50:42,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 53 states have (on average 1.3773584905660377) internal successors, (73), 52 states have internal predecessors, (73), 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) [2022-11-23 01:50:42,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 73 transitions. [2022-11-23 01:50:42,750 INFO L240 hiAutomatonCegarLoop]: Abstraction has 53 states and 73 transitions. [2022-11-23 01:50:42,750 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-23 01:50:42,752 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2022-11-23 01:50:42,753 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2022-11-23 01:50:42,754 INFO L87 Difference]: Start difference. First operand 53 states and 73 transitions. Second operand has 9 states, 8 states have (on average 2.375) internal successors, (19), 9 states have internal predecessors, (19), 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) [2022-11-23 01:50:42,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-23 01:50:42,834 INFO L93 Difference]: Finished difference Result 55 states and 70 transitions. [2022-11-23 01:50:42,834 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 55 states and 70 transitions. [2022-11-23 01:50:42,839 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-23 01:50:42,839 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 55 states to 48 states and 61 transitions. [2022-11-23 01:50:42,840 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-23 01:50:42,840 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2022-11-23 01:50:42,840 INFO L73 IsDeterministic]: Start isDeterministic. Operand 48 states and 61 transitions. [2022-11-23 01:50:42,840 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-23 01:50:42,840 INFO L218 hiAutomatonCegarLoop]: Abstraction has 48 states and 61 transitions. [2022-11-23 01:50:42,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states and 61 transitions. [2022-11-23 01:50:42,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 30. [2022-11-23 01:50:42,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 30 states, 30 states have (on average 1.3666666666666667) internal successors, (41), 29 states have internal predecessors, (41), 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) [2022-11-23 01:50:42,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 41 transitions. [2022-11-23 01:50:42,844 INFO L240 hiAutomatonCegarLoop]: Abstraction has 30 states and 41 transitions. [2022-11-23 01:50:42,844 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2022-11-23 01:50:42,845 INFO L428 stractBuchiCegarLoop]: Abstraction has 30 states and 41 transitions. [2022-11-23 01:50:42,845 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-23 01:50:42,845 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 30 states and 41 transitions. [2022-11-23 01:50:42,846 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-23 01:50:42,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-23 01:50:42,846 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-23 01:50:42,847 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-23 01:50:42,848 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-23 01:50:42,848 INFO L748 eck$LassoCheckResult]: Stem: 508#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 509#L-1 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_#t~nondet2#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~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; 513#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 516#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 502#L17-2 [2022-11-23 01:50:42,848 INFO L750 eck$LassoCheckResult]: Loop: 502#L17-2 assume !(main_~x~0#1 - 1 == main_~y~0#1);main_#t~nondet2#1 := ~bitwiseAnd(main_~x~0#1 - 1, main_~y~0#1);assume (main_~x~0#1 - 1 < 0 || main_~y~0#1 < 0) || (main_#t~nondet2#1 <= main_~x~0#1 - 1 && main_#t~nondet2#1 <= main_~y~0#1);assume (main_~x~0#1 - 1 < 0 && main_~y~0#1 < 0) || main_#t~nondet2#1 >= 0;assume (main_~x~0#1 - 1 >= 0 && main_~y~0#1 >= 0) || main_#t~nondet2#1 > main_~x~0#1 - 1 + main_~y~0#1; 503#L17-4 main_~x~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 510#L16-2 assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0); 506#L17 assume !(0 == main_~x~0#1 - 1 || 0 == main_~y~0#1); 502#L17-2 [2022-11-23 01:50:42,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:42,849 INFO L85 PathProgramCache]: Analyzing trace with hash 925800, now seen corresponding path program 1 times [2022-11-23 01:50:42,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:50:42,849 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1562014698] [2022-11-23 01:50:42,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:42,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:50:42,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:42,853 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:50:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:42,856 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:50:42,857 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:42,857 INFO L85 PathProgramCache]: Analyzing trace with hash 1571592, now seen corresponding path program 1 times [2022-11-23 01:50:42,857 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:50:42,858 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1755887605] [2022-11-23 01:50:42,858 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:42,858 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:50:42,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:42,863 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:50:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:42,869 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:50:42,870 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-23 01:50:42,870 INFO L85 PathProgramCache]: Analyzing trace with hash 297897967, now seen corresponding path program 1 times [2022-11-23 01:50:42,870 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-23 01:50:42,870 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980928956] [2022-11-23 01:50:42,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-23 01:50:42,871 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-23 01:50:42,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:42,878 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-23 01:50:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-23 01:50:42,884 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-23 01:50:42,969 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 01:50:42,969 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 01:50:42,969 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 01:50:42,969 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 01:50:42,969 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-23 01:50:42,970 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:42,970 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 01:50:42,970 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 01:50:42,970 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Loop [2022-11-23 01:50:42,970 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 01:50:42,970 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 01:50:42,971 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:42,993 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:43,096 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 01:50:43,097 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-23 01:50:43,097 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:43,097 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:43,099 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:43,112 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 01:50:43,113 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 01:50:43,122 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-23 01:50:43,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Ended with exit code 0 [2022-11-23 01:50:43,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:43,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:43,149 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:43,151 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-23 01:50:43,151 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-23 01:50:43,152 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 01:50:43,348 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-23 01:50:43,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:43,356 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 01:50:43,356 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 01:50:43,356 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 01:50:43,356 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 01:50:43,356 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 01:50:43,356 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:43,356 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 01:50:43,356 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 01:50:43,356 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Loop [2022-11-23 01:50:43,356 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 01:50:43,356 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 01:50:43,357 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:43,385 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:43,486 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 01:50:43,487 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 01:50:43,487 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:43,487 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:43,491 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:43,499 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:50:43,512 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:43,512 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:43,512 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:43,512 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:50:43,512 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:50:43,513 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-23 01:50:43,514 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 01:50:43,515 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:43,525 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:43,533 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:43,534 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:43,534 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:43,535 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:43,543 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-23 01:50:43,544 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 [2022-11-23 01:50:43,557 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:43,557 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:43,558 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:43,558 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:43,558 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:50:43,558 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:50:43,559 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:43,568 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:43,571 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:43,572 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-23 01:50:43,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:43,572 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:43,573 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:43,579 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 [2022-11-23 01:50:43,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:43,592 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:43,592 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:43,592 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:50:43,592 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 01:50:43,601 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-23 01:50:43,602 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:50:43,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:43,613 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:43,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:43,622 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:43,622 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:43,623 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:43,637 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 [2022-11-23 01:50:43,649 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:43,649 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:43,649 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:43,650 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:43,650 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 01:50:43,650 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-23 01:50:43,651 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:43,652 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-23 01:50:43,666 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:43,674 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:43,674 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-23 01:50:43,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:43,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:43,676 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:43,680 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 [2022-11-23 01:50:43,692 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:43,693 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:43,693 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:43,693 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:50:43,693 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-23 01:50:43,697 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-23 01:50:43,700 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-23 01:50:43,700 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:43,712 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:43,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Ended with exit code 0 [2022-11-23 01:50:43,734 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Ended with exit code 0 [2022-11-23 01:50:43,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:43,735 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:43,738 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:43,743 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 [2022-11-23 01:50:43,755 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:43,756 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:43,756 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:43,756 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:43,756 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-23 01:50:43,757 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 01:50:43,757 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:43,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-23 01:50:43,771 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:43,774 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:43,774 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-23 01:50:43,775 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:43,775 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:43,776 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:43,778 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-23 01:50:43,779 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 [2022-11-23 01:50:43,790 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:43,791 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:43,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:43,791 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:50:43,791 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-23 01:50:43,796 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-11-23 01:50:43,796 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:43,814 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:43,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:43,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:43,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:43,828 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:43,835 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 [2022-11-23 01:50:43,848 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:43,848 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:43,848 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:43,848 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:43,848 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-23 01:50:43,850 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-23 01:50:43,850 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:43,851 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-23 01:50:43,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:43,876 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Ended with exit code 0 [2022-11-23 01:50:43,877 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-23 01:50:43,877 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:43,877 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:43,878 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:43,880 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-23 01:50:43,881 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 [2022-11-23 01:50:43,893 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-23 01:50:43,893 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-23 01:50:43,893 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:43,894 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:43,894 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:50:43,894 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 01:50:43,899 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:50:43,900 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:43,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:43,922 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:43,923 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:43,923 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:43,924 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:43,927 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-23 01:50:43,928 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:50:43,941 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-23 01:50:43,941 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-23 01:50:43,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:43,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:43,941 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:43,942 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 01:50:43,943 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-23 01:50:43,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:43,958 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:43,968 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:43,968 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-23 01:50:43,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:43,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:43,969 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:43,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-23 01:50:43,973 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 [2022-11-23 01:50:43,985 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-23 01:50:43,985 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-23 01:50:43,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:43,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:43,986 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:50:43,986 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-23 01:50:43,994 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-23 01:50:43,994 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:44,021 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:44,024 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-11-23 01:50:44,025 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:44,025 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:44,026 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:44,028 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-23 01:50:44,030 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 [2022-11-23 01:50:44,040 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-23 01:50:44,040 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-23 01:50:44,041 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:44,041 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:44,041 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:44,041 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-23 01:50:44,043 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 01:50:44,043 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:44,052 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:44,055 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2022-11-23 01:50:44,055 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-23 01:50:44,055 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:44,056 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:44,056 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:44,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-23 01:50:44,059 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 [2022-11-23 01:50:44,071 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-23 01:50:44,071 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-23 01:50:44,071 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:44,072 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:44,072 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:50:44,072 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-23 01:50:44,085 INFO L401 nArgumentSynthesizer]: We have 10 Motzkin's Theorem applications. [2022-11-23 01:50:44,086 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:44,117 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:44,120 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Ended with exit code 0 [2022-11-23 01:50:44,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:44,121 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:44,122 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:44,124 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-23 01:50:44,125 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:50:44,137 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-23 01:50:44,137 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-23 01:50:44,137 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:44,138 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:44,138 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:44,138 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-23 01:50:44,140 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-23 01:50:44,141 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:44,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:44,162 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:44,162 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-23 01:50:44,162 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:44,162 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:44,163 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:44,175 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 [2022-11-23 01:50:44,187 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-23 01:50:44,187 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-23 01:50:44,188 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:44,188 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:44,188 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:50:44,188 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-23 01:50:44,190 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-23 01:50:44,192 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-23 01:50:44,192 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:44,218 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:44,227 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:44,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:44,227 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:44,228 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:44,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-23 01:50:44,233 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 [2022-11-23 01:50:44,245 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-23 01:50:44,246 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-23 01:50:44,246 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:44,246 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:44,246 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:44,246 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-23 01:50:44,247 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 01:50:44,247 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:44,258 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:44,267 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:44,267 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-23 01:50:44,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:44,268 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:44,271 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:44,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-23 01:50:44,275 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 [2022-11-23 01:50:44,285 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-23 01:50:44,285 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-23 01:50:44,286 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:44,286 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:44,286 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:50:44,286 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-23 01:50:44,292 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-23 01:50:44,292 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:44,318 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:44,326 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:44,326 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:44,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:44,328 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:44,335 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 [2022-11-23 01:50:44,348 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-23 01:50:44,348 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-23 01:50:44,348 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:44,348 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:44,348 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:44,348 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-23 01:50:44,349 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-23 01:50:44,350 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-23 01:50:44,350 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:44,361 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:44,369 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:44,396 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 01:50:44,396 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 01:50:44,397 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 01:50:44,397 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 01:50:44,397 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-23 01:50:44,397 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:44,397 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 01:50:44,397 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 01:50:44,397 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Lasso [2022-11-23 01:50:44,398 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 01:50:44,398 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 01:50:44,400 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:44,403 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:44,406 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:44,408 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:44,411 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:44,441 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:44,566 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 01:50:44,567 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-23 01:50:44,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:44,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:44,574 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:44,581 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 01:50:44,581 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 01:50:44,594 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-23 01:50:44,615 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 01:50:44,615 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0#1=0} Honda state: {ULTIMATE.start_main_~res~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 01:50:44,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:44,624 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:44,624 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:44,625 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:44,628 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 01:50:44,628 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 01:50:44,642 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-23 01:50:44,662 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 01:50:44,663 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1#1=0} Honda state: {ULTIMATE.start_main_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 01:50:44,671 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:44,671 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:44,671 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:44,673 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:44,680 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 01:50:44,680 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 01:50:44,693 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-23 01:50:44,694 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 01:50:44,694 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 01:50:44,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:44,698 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:44,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:44,699 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:44,702 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-23 01:50:44,703 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 01:50:44,703 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 01:50:44,722 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-23 01:50:44,722 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-23 01:50:44,728 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Ended with exit code 0 [2022-11-23 01:50:44,740 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:44,741 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:44,751 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:44,759 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-23 01:50:44,759 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 01:50:44,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-23 01:50:44,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:44,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:44,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:44,862 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:44,878 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-23 01:50:44,878 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-23 01:50:44,892 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-23 01:50:45,037 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-23 01:50:45,041 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Ended with exit code 0 [2022-11-23 01:50:45,041 INFO L210 LassoAnalysis]: Preferences: [2022-11-23 01:50:45,041 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-23 01:50:45,041 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-23 01:50:45,041 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-23 01:50:45,041 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-23 01:50:45,042 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,042 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-23 01:50:45,042 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-23 01:50:45,042 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-05.c_Iteration4_Lasso [2022-11-23 01:50:45,042 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-23 01:50:45,042 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-23 01:50:45,043 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:45,048 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:45,057 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:45,060 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:45,086 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:45,089 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-23 01:50:45,218 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-23 01:50:45,218 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-23 01:50:45,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,218 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,219 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,227 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 [2022-11-23 01:50:45,239 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,239 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,239 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,240 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,240 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:50:45,240 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:50:45,240 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,241 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-23 01:50:45,249 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,252 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,252 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,252 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,253 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,257 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:50:45,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-23 01:50:45,268 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,268 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,268 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,268 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,268 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:50:45,268 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:50:45,268 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,270 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,272 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Ended with exit code 0 [2022-11-23 01:50:45,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,273 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,274 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,276 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-23 01:50:45,277 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 [2022-11-23 01:50:45,287 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,287 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,287 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,287 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,287 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:50:45,288 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:50:45,288 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,291 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,292 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,293 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,296 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 [2022-11-23 01:50:45,302 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-23 01:50:45,307 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,307 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,307 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:50:45,307 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:50:45,315 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-23 01:50:45,315 INFO L402 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2022-11-23 01:50:45,356 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,363 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,364 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,364 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,365 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,370 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:50:45,383 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,383 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,383 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,383 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,383 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:50:45,384 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:50:45,384 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,386 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-23 01:50:45,394 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,398 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,398 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,398 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,399 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,403 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 [2022-11-23 01:50:45,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,416 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,416 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,416 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,416 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-23 01:50:45,417 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-23 01:50:45,417 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,418 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-23 01:50:45,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,428 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Ended with exit code 0 [2022-11-23 01:50:45,428 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-23 01:50:45,428 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,429 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-23 01:50:45,432 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 [2022-11-23 01:50:45,443 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,443 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,443 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,443 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,443 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 01:50:45,444 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-23 01:50:45,444 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,446 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,448 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,449 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,449 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,452 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-23 01:50:45,452 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 [2022-11-23 01:50:45,462 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,463 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,463 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,463 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,463 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 01:50:45,463 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-23 01:50:45,463 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,465 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,467 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Ended with exit code 0 [2022-11-23 01:50:45,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,469 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,470 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-23 01:50:45,471 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 [2022-11-23 01:50:45,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,483 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,483 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,484 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 01:50:45,484 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-23 01:50:45,484 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,498 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,501 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,502 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,503 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,511 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 [2022-11-23 01:50:45,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,524 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,524 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:50:45,524 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 01:50:45,524 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-23 01:50:45,535 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2022-11-23 01:50:45,535 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-23 01:50:45,566 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,570 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,570 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,570 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,572 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,578 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 [2022-11-23 01:50:45,591 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,591 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,591 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,591 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,592 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 01:50:45,592 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-23 01:50:45,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,593 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-23 01:50:45,610 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,613 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,614 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,614 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,616 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,622 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 [2022-11-23 01:50:45,634 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-23 01:50:45,635 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,635 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,635 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,635 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,636 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 01:50:45,636 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-23 01:50:45,636 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,645 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,648 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,650 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-23 01:50:45,650 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,650 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,651 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,655 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 [2022-11-23 01:50:45,662 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-23 01:50:45,668 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,668 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,668 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,668 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,668 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-23 01:50:45,669 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 01:50:45,669 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,686 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,689 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,690 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,690 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,691 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,694 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 [2022-11-23 01:50:45,707 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,707 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,707 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,708 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,708 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-23 01:50:45,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-23 01:50:45,708 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 01:50:45,709 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,726 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,730 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,731 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,738 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 [2022-11-23 01:50:45,744 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-23 01:50:45,752 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,752 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,752 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,752 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,752 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-23 01:50:45,753 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 01:50:45,753 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,770 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,773 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,774 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,775 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,778 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 [2022-11-23 01:50:45,791 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,791 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,791 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:50:45,792 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-23 01:50:45,792 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-23 01:50:45,805 INFO L401 nArgumentSynthesizer]: We have 32 Motzkin's Theorem applications. [2022-11-23 01:50:45,806 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-11-23 01:50:45,838 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,842 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,843 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,847 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 [2022-11-23 01:50:45,859 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,859 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,860 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,860 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,860 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-23 01:50:45,860 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 01:50:45,861 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,862 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-23 01:50:45,874 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,878 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,881 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,885 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 [2022-11-23 01:50:45,897 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,898 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,898 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,898 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,898 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-23 01:50:45,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-23 01:50:45,899 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-23 01:50:45,899 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,917 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,918 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-23 01:50:45,918 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,919 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,923 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 [2022-11-23 01:50:45,935 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,935 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,935 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,935 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,936 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-23 01:50:45,936 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-23 01:50:45,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-23 01:50:45,951 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,954 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,955 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,955 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,956 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:45,959 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 [2022-11-23 01:50:45,972 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:45,972 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:45,972 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:45,973 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:45,973 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-23 01:50:45,973 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-23 01:50:45,974 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:45,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-23 01:50:45,994 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:45,997 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:45,998 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:45,998 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:45,999 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:46,002 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 [2022-11-23 01:50:46,014 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-23 01:50:46,015 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:46,015 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:46,016 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:46,016 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:46,016 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-23 01:50:46,016 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-23 01:50:46,017 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:46,030 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:46,033 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:46,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:46,034 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:46,035 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:46,038 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-23 01:50:46,044 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-23 01:50:46,051 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:46,051 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:46,051 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:50:46,052 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-23 01:50:46,070 INFO L401 nArgumentSynthesizer]: We have 40 Motzkin's Theorem applications. [2022-11-23 01:50:46,070 INFO L402 nArgumentSynthesizer]: A total of 10 supporting invariants were added. [2022-11-23 01:50:46,125 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:46,128 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Ended with exit code 0 [2022-11-23 01:50:46,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:46,128 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:46,129 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:46,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-23 01:50:46,132 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 [2022-11-23 01:50:46,142 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:46,142 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:46,142 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:46,142 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:46,143 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-23 01:50:46,143 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-23 01:50:46,143 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:46,145 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:46,148 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Ended with exit code 0 [2022-11-23 01:50:46,148 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:46,148 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:46,149 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:46,151 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 [2022-11-23 01:50:46,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-23 01:50:46,163 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-23 01:50:46,163 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:46,163 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:46,163 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:46,163 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-23 01:50:46,164 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-23 01:50:46,164 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:46,171 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:46,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Ended with exit code 0 [2022-11-23 01:50:46,174 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-23 01:50:46,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:46,174 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:46,175 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:46,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-23 01:50:46,178 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 [2022-11-23 01:50:46,188 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-23 01:50:46,189 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-23 01:50:46,189 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:46,189 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:46,189 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:46,189 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 01:50:46,190 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-23 01:50:46,190 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:46,192 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:46,195 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Ended with exit code 0 [2022-11-23 01:50:46,195 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:46,196 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:46,196 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:46,205 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-23 01:50:46,205 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 [2022-11-23 01:50:46,215 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-23 01:50:46,215 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-23 01:50:46,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:46,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:46,216 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:46,216 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 01:50:46,218 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-23 01:50:46,218 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:46,245 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:46,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:46,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:46,249 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:46,250 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:46,254 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-23 01:50:46,256 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 [2022-11-23 01:50:46,269 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-23 01:50:46,269 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-23 01:50:46,269 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-23 01:50:46,269 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:46,269 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-23 01:50:46,270 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 01:50:46,270 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-23 01:50:46,270 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-23 01:50:46,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-23 01:50:46,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:46,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:46,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:46,299 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:46,307 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 [2022-11-23 01:50:46,321 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-23 01:50:46,321 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-23 01:50:46,321 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-23 01:50:46,321 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-23 01:50:46,321 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-23 01:50:46,322 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-23 01:50:46,332 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2022-11-23 01:50:46,332 INFO L402 nArgumentSynthesizer]: A total of 6 supporting invariants were added. [2022-11-23 01:50:46,369 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-23 01:50:46,524 INFO L443 ModelExtractionUtils]: Simplification made 31 calls to the SMT solver. [2022-11-23 01:50:46,524 INFO L444 ModelExtractionUtils]: 0 out of 26 variables were initially zero. Simplification set additionally 18 variables to zero. [2022-11-23 01:50:46,525 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-23 01:50:46,525 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 [2022-11-23 01:50:46,527 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-23 01:50:46,530 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-23 01:50:46,542 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-23 01:50:46,563 INFO L438 nArgumentSynthesizer]: Removed 4 redundant supporting invariants from a total of 6. [2022-11-23 01:50:46,563 INFO L513 LassoAnalysis]: Proved termination. [2022-11-23 01:50:46,564 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 3*ULTIMATE.start_main_~x~0#1 + 2 f1 = 0 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 >= 0, 3*ULTIMATE.start_main_~x~0#1 - 2*ULTIMATE.start_main_~y~0#1 >= 0] [2022-11-23 01:50:46,568 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:46,570 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError: Inconsistent sorts at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.(PolynomialRelation.java:135) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.of(PolynomialRelation.java:608) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.comparison(SmtUtils.java:1315) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1457) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.termWithLocalSimplification(SmtUtils.java:1372) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.convertApplicationTerm(SmtUtils.java:1361) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.convertApplicationTerm(Substitution.java:53) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer$BuildApplicationTerm.walk(TermTransformer.java:389) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:115) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:106) at de.uni_freiburg.informatik.ultimate.logic.TermTransformer.transform(TermTransformer.java:319) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.Substitution.apply(Substitution.java:59) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.PredicateUtils.computeClosedFormula(PredicateUtils.java:94) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:130) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.TermVarsProc.computeTermVarsProc(TermVarsProc.java:89) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.constructTermVarsProc(BasicPredicateFactory.java:93) at de.uni_freiburg.informatik.ultimate.lib.modelcheckerutils.smt.predicates.BasicPredicateFactory.newPredicate(BasicPredicateFactory.java:81) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BinaryStatePredicateManager.getRankInEquality(BinaryStatePredicateManager.java:354) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BinaryStatePredicateManager.decodeLex(BinaryStatePredicateManager.java:314) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BinaryStatePredicateManager.computePredicates(BinaryStatePredicateManager.java:121) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.synthesize(LassoCheck.java:667) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkLassoTermination(LassoCheck.java:908) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:819) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:257) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.cegar.AbstractBuchiCegarLoop.runCegarLoop(AbstractBuchiCegarLoop.java:359) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.runCegarLoops(BuchiAutomizerObserver.java:136) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:341) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:320) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:63) [2022-11-23 01:50:46,573 INFO L158 Benchmark]: Toolchain (without parser) took 11562.14ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 98.5MB in the beginning and 132.7MB in the end (delta: -34.2MB). Peak memory consumption was 86.3MB. Max. memory is 16.1GB. [2022-11-23 01:50:46,573 INFO L158 Benchmark]: CDTParser took 0.63ms. Allocated memory is still 121.6MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:50:46,574 INFO L158 Benchmark]: CACSL2BoogieTranslator took 249.19ms. Allocated memory is still 159.4MB. Free memory was 98.3MB in the beginning and 89.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-23 01:50:46,574 INFO L158 Benchmark]: Boogie Procedure Inliner took 80.97ms. Allocated memory is still 159.4MB. Free memory was 89.2MB in the beginning and 132.1MB in the end (delta: -42.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. [2022-11-23 01:50:46,574 INFO L158 Benchmark]: Boogie Preprocessor took 19.75ms. Allocated memory is still 159.4MB. Free memory was 132.1MB in the beginning and 131.6MB in the end (delta: 566.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-23 01:50:46,574 INFO L158 Benchmark]: RCFGBuilder took 293.33ms. Allocated memory is still 159.4MB. Free memory was 131.3MB in the beginning and 121.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-23 01:50:46,576 INFO L158 Benchmark]: BuchiAutomizer took 10910.85ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 121.8MB in the beginning and 132.7MB in the end (delta: -10.9MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. [2022-11-23 01:50:46,578 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.63ms. Allocated memory is still 121.6MB. Free memory is still 91.1MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 249.19ms. Allocated memory is still 159.4MB. Free memory was 98.3MB in the beginning and 89.4MB in the end (delta: 8.9MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 80.97ms. Allocated memory is still 159.4MB. Free memory was 89.2MB in the beginning and 132.1MB in the end (delta: -42.9MB). Peak memory consumption was 7.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 19.75ms. Allocated memory is still 159.4MB. Free memory was 132.1MB in the beginning and 131.6MB in the end (delta: 566.3kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 293.33ms. Allocated memory is still 159.4MB. Free memory was 131.3MB in the beginning and 121.8MB in the end (delta: 9.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 10910.85ms. Allocated memory was 159.4MB in the beginning and 192.9MB in the end (delta: 33.6MB). Free memory was 121.8MB in the beginning and 132.7MB in the end (delta: -10.9MB). Peak memory consumption was 108.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: Inconsistent sorts de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: Inconsistent sorts: de.uni_freiburg.informatik.ultimate.lib.smtlibutils.polynomials.PolynomialRelation.(PolynomialRelation.java:135) RESULT: Ultimate could not prove your program: Toolchain returned no result. [2022-11-23 01:50:46,590 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:46,795 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2022-11-23 01:50:46,999 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_3d3598dd-0f6f-4f41-b0ab-d230edbb64f5/bin/uautomizer-QkZJyEgLgS/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: Inconsistent sorts