./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/and-04.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 6b4ec56b Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/and-04.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3a784e11bf73a2acfc7dcf1addce2ecbb061bf2a055ac7c7789f5cd2a0fe09f1 --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-6b4ec56 [2022-11-20 12:10:35,440 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 12:10:35,442 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 12:10:35,466 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 12:10:35,467 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 12:10:35,471 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 12:10:35,473 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 12:10:35,476 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 12:10:35,478 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 12:10:35,483 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 12:10:35,485 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 12:10:35,486 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 12:10:35,488 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 12:10:35,490 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 12:10:35,492 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 12:10:35,494 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 12:10:35,496 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 12:10:35,497 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 12:10:35,498 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 12:10:35,504 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 12:10:35,507 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 12:10:35,509 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 12:10:35,510 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 12:10:35,511 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 12:10:35,519 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 12:10:35,520 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 12:10:35,520 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 12:10:35,521 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 12:10:35,521 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 12:10:35,522 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 12:10:35,522 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 12:10:35,523 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 12:10:35,524 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 12:10:35,524 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 12:10:35,525 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 12:10:35,525 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 12:10:35,526 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 12:10:35,526 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 12:10:35,527 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 12:10:35,527 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 12:10:35,528 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 12:10:35,534 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 12:10:35,571 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 12:10:35,571 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 12:10:35,572 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 12:10:35,572 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 12:10:35,575 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 12:10:35,575 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 12:10:35,575 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 12:10:35,576 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 12:10:35,576 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 12:10:35,576 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 12:10:35,577 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 12:10:35,577 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 12:10:35,577 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 12:10:35,578 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 12:10:35,578 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 12:10:35,578 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 12:10:35,578 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 12:10:35,578 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 12:10:35,579 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 12:10:35,580 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 12:10:35,580 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 12:10:35,585 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 12:10:35,586 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 12:10:35,586 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 12:10:35,587 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 12:10:35,588 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 12:10:35,588 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 12:10:35,588 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 12:10:35,590 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 12:10:35,590 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_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3a784e11bf73a2acfc7dcf1addce2ecbb061bf2a055ac7c7789f5cd2a0fe09f1 [2022-11-20 12:10:35,872 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 12:10:35,902 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 12:10:35,905 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 12:10:35,907 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 12:10:35,908 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 12:10:35,909 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-bwb/and-04.c [2022-11-20 12:10:38,883 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 12:10:39,120 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 12:10:39,120 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/sv-benchmarks/c/termination-bwb/and-04.c [2022-11-20 12:10:39,126 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/data/59dbe2e60/98e984d8fde844a2a552b8e01ccc71a8/FLAGf0c2bd022 [2022-11-20 12:10:39,141 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/data/59dbe2e60/98e984d8fde844a2a552b8e01ccc71a8 [2022-11-20 12:10:39,144 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 12:10:39,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 12:10:39,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 12:10:39,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 12:10:39,155 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 12:10:39,156 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:10:39" (1/1) ... [2022-11-20 12:10:39,157 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@735cf1aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:10:39, skipping insertion in model container [2022-11-20 12:10:39,157 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 12:10:39" (1/1) ... [2022-11-20 12:10:39,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 12:10:39,178 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 12:10:39,322 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:10:39,328 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 12:10:39,340 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 12:10:39,351 INFO L208 MainTranslator]: Completed translation [2022-11-20 12:10:39,352 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:10:39 WrapperNode [2022-11-20 12:10:39,352 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 12:10:39,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 12:10:39,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 12:10:39,353 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 12:10:39,361 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:10:39" (1/1) ... [2022-11-20 12:10:39,366 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:10:39" (1/1) ... [2022-11-20 12:10:39,381 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-11-20 12:10:39,381 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 12:10:39,382 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 12:10:39,382 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 12:10:39,382 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 12:10:39,390 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:10:39" (1/1) ... [2022-11-20 12:10:39,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:10:39" (1/1) ... [2022-11-20 12:10:39,391 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:10:39" (1/1) ... [2022-11-20 12:10:39,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:10:39" (1/1) ... [2022-11-20 12:10:39,398 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:10:39" (1/1) ... [2022-11-20 12:10:39,403 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:10:39" (1/1) ... [2022-11-20 12:10:39,404 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:10:39" (1/1) ... [2022-11-20 12:10:39,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:10:39" (1/1) ... [2022-11-20 12:10:39,407 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 12:10:39,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 12:10:39,409 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 12:10:39,409 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 12:10:39,410 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:10:39" (1/1) ... [2022-11-20 12:10:39,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:39,428 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:39,441 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:39,448 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 12:10:39,484 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 12:10:39,484 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 12:10:39,543 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 12:10:39,546 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 12:10:39,679 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 12:10:39,684 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 12:10:39,685 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-20 12:10:39,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:10:39 BoogieIcfgContainer [2022-11-20 12:10:39,686 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 12:10:39,687 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 12:10:39,687 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 12:10:39,691 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 12:10:39,692 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:10:39,692 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 12:10:39" (1/3) ... [2022-11-20 12:10:39,693 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c5ee083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:10:39, skipping insertion in model container [2022-11-20 12:10:39,693 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:10:39,693 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 12:10:39" (2/3) ... [2022-11-20 12:10:39,693 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@3c5ee083 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 12:10:39, skipping insertion in model container [2022-11-20 12:10:39,693 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 12:10:39,694 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:10:39" (3/3) ... [2022-11-20 12:10:39,695 INFO L332 chiAutomizerObserver]: Analyzing ICFG and-04.c [2022-11-20 12:10:39,749 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 12:10:39,749 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 12:10:39,749 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 12:10:39,749 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 12:10:39,750 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 12:10:39,750 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 12:10:39,750 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 12:10:39,750 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 12:10:39,754 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:10:39,771 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 12:10:39,772 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:10:39,772 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:10:39,777 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 12:10:39,777 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:10:39,778 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 12:10:39,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:10:39,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 12:10:39,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:10:39,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:10:39,780 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-20 12:10:39,780 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 12:10:39,788 INFO L748 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 9#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 7#L16-2true [2022-11-20 12:10:39,788 INFO L750 eck$LassoCheckResult]: Loop: 7#L16-2true assume !!(main_~x~0#1 > 5); 2#L16true assume !(10 != main_~x~0#1);main_~x~0#1 := main_~x~0#1 - 1; 7#L16-2true [2022-11-20 12:10:39,794 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:10:39,795 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-20 12:10:39,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:10:39,805 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073219060] [2022-11-20 12:10:39,806 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:10:39,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:10:39,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:10:39,889 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:10:39,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:10:39,921 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:10:39,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:10:39,924 INFO L85 PathProgramCache]: Analyzing trace with hash 1330, now seen corresponding path program 1 times [2022-11-20 12:10:39,924 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:10:39,925 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1386967183] [2022-11-20 12:10:39,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:10:39,925 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:10:39,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:10:39,956 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:10:39,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:10:39,961 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:10:39,962 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:10:39,963 INFO L85 PathProgramCache]: Analyzing trace with hash 925812, now seen corresponding path program 1 times [2022-11-20 12:10:39,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:10:39,963 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [814540804] [2022-11-20 12:10:39,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:10:39,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:10:39,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:10:39,969 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:10:39,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:10:39,974 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:10:40,044 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:10:40,057 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:10:40,058 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:10:40,058 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:10:40,058 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 12:10:40,058 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:40,058 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:10:40,059 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:10:40,059 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration1_Loop [2022-11-20 12:10:40,059 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:10:40,059 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:10:40,079 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:10:40,143 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:10:40,143 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 12:10:40,146 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:40,146 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:40,153 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:40,160 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:10:40,160 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:10:40,182 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 12:10:40,192 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:40,192 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:40,193 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:40,194 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:40,203 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 12:10:40,204 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 12:10:40,205 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:10:40,233 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 12:10:40,250 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:40,250 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:10:40,250 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:10:40,250 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:10:40,251 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:10:40,251 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:10:40,251 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:40,251 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:10:40,251 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:10:40,251 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration1_Loop [2022-11-20 12:10:40,252 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:10:40,252 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:10:40,253 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:10:40,298 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:10:40,302 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:10:40,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:40,304 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:40,316 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:40,318 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:40,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:40,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:40,332 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:40,332 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:40,332 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:10:40,333 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 12:10:40,335 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:10:40,337 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:40,363 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:10:40,373 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2022-11-20 12:10:40,374 INFO L444 ModelExtractionUtils]: 1 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 12:10:40,375 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:40,376 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:40,392 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:40,395 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:10:40,395 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-20 12:10:40,396 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:10:40,397 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 [] [2022-11-20 12:10:40,400 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 12:10:40,405 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-11-20 12:10:40,409 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-20 12:10:40,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:10:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:10:40,451 WARN L261 TraceCheckSpWp]: Trace formula consists of 4 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-20 12:10:40,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:10:40,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:10:40,465 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 12:10:40,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:10:40,469 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:10:40,503 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-11-20 12:10:40,506 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:10:40,594 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.5) internal successors, (15), 10 states have internal predecessors, (15), 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 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 38 states and 55 transitions. Complement of second has 6 states. [2022-11-20 12:10:40,597 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 12:10:40,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:10:40,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 27 transitions. [2022-11-20 12:10:40,612 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 2 letters. [2022-11-20 12:10:40,613 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:10:40,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-20 12:10:40,614 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:10:40,614 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 27 transitions. Stem has 2 letters. Loop has 4 letters. [2022-11-20 12:10:40,615 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:10:40,615 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 55 transitions. [2022-11-20 12:10:40,622 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 12:10:40,626 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 14 states and 20 transitions. [2022-11-20 12:10:40,627 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-20 12:10:40,628 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 12:10:40,629 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 20 transitions. [2022-11-20 12:10:40,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:10:40,629 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2022-11-20 12:10:40,646 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 20 transitions. [2022-11-20 12:10:40,655 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 13. [2022-11-20 12:10:40,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13 states, 13 states have (on average 1.4615384615384615) internal successors, (19), 12 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) [2022-11-20 12:10:40,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2022-11-20 12:10:40,658 INFO L240 hiAutomatonCegarLoop]: Abstraction has 13 states and 19 transitions. [2022-11-20 12:10:40,658 INFO L428 stractBuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2022-11-20 12:10:40,659 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 12:10:40,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2022-11-20 12:10:40,662 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 12:10:40,662 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:10:40,662 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:10:40,664 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 12:10:40,664 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-20 12:10:40,664 INFO L748 eck$LassoCheckResult]: Stem: 92#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 93#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_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 96#L16-2 assume !!(main_~x~0#1 > 5); 84#L16 assume 10 != main_~x~0#1; 85#L17 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet1#1 := 0; 89#L17-4 [2022-11-20 12:10:40,664 INFO L750 eck$LassoCheckResult]: Loop: 89#L17-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 94#L16-2 assume !!(main_~x~0#1 > 5); 95#L16 assume 10 != main_~x~0#1; 90#L17 assume 0 == main_~x~0#1 || 0 == main_~x~0#1 - 1;main_#t~nondet1#1 := 0; 89#L17-4 [2022-11-20 12:10:40,666 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:10:40,666 INFO L85 PathProgramCache]: Analyzing trace with hash 28699755, now seen corresponding path program 1 times [2022-11-20 12:10:40,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:10:40,667 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023479555] [2022-11-20 12:10:40,667 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:10:40,667 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:10:40,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:10:40,719 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:10:40,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:10:40,720 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023479555] [2022-11-20 12:10:40,720 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023479555] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:10:40,721 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:10:40,721 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:10:40,721 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447659554] [2022-11-20 12:10:40,722 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:10:40,724 INFO L753 eck$LassoCheckResult]: stem already infeasible [2022-11-20 12:10:40,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:10:40,725 INFO L85 PathProgramCache]: Analyzing trace with hash 1709109, now seen corresponding path program 1 times [2022-11-20 12:10:40,725 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:10:40,725 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [423067685] [2022-11-20 12:10:40,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:10:40,726 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:10:40,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:10:40,751 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:10:40,752 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-20 12:10:40,752 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [423067685] [2022-11-20 12:10:40,752 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [423067685] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-20 12:10:40,752 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-20 12:10:40,752 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-20 12:10:40,753 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475369284] [2022-11-20 12:10:40,753 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-20 12:10:40,753 INFO L765 eck$LassoCheckResult]: loop already infeasible [2022-11-20 12:10:40,754 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-20 12:10:40,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-20 12:10:40,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-20 12:10:40,758 INFO L87 Difference]: Start difference. First operand 13 states and 19 transitions. cyclomatic complexity: 8 Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:10:40,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-20 12:10:40,773 INFO L93 Difference]: Finished difference Result 14 states and 17 transitions. [2022-11-20 12:10:40,774 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 17 transitions. [2022-11-20 12:10:40,774 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2022-11-20 12:10:40,775 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 14 states and 17 transitions. [2022-11-20 12:10:40,775 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-20 12:10:40,775 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 12:10:40,775 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 17 transitions. [2022-11-20 12:10:40,776 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 12:10:40,776 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 17 transitions. [2022-11-20 12:10:40,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 17 transitions. [2022-11-20 12:10:40,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 11. [2022-11-20 12:10:40,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 12:10:40,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2022-11-20 12:10:40,778 INFO L240 hiAutomatonCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-20 12:10:40,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-20 12:10:40,779 INFO L428 stractBuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2022-11-20 12:10:40,779 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 12:10:40,779 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2022-11-20 12:10:40,780 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 5 [2022-11-20 12:10:40,780 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 12:10:40,780 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 12:10:40,781 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 12:10:40,781 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2022-11-20 12:10:40,781 INFO L748 eck$LassoCheckResult]: Stem: 124#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 125#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_~x~0#1;havoc main_~x~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 128#L16-2 assume !!(main_~x~0#1 > 5); 118#L16 assume 10 != main_~x~0#1; 119#L17 [2022-11-20 12:10:40,781 INFO L750 eck$LassoCheckResult]: Loop: 119#L17 assume !(0 == main_~x~0#1 || 0 == main_~x~0#1 - 1); 122#L17-2 assume !(main_~x~0#1 == main_~x~0#1 - 1);main_#t~nondet1#1 := ~bitwiseAnd(main_~x~0#1, main_~x~0#1 - 1);assume (main_~x~0#1 < 0 || main_~x~0#1 - 1 < 0) || (main_#t~nondet1#1 <= main_~x~0#1 && main_#t~nondet1#1 <= main_~x~0#1 - 1);assume (main_~x~0#1 < 0 && main_~x~0#1 - 1 < 0) || main_#t~nondet1#1 >= 0;assume (main_~x~0#1 >= 0 && main_~x~0#1 - 1 >= 0) || main_#t~nondet1#1 > main_~x~0#1 + (main_~x~0#1 - 1); 123#L17-4 main_~x~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 126#L16-2 assume !!(main_~x~0#1 > 5); 127#L16 assume 10 != main_~x~0#1; 119#L17 [2022-11-20 12:10:40,782 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:10:40,782 INFO L85 PathProgramCache]: Analyzing trace with hash 925798, now seen corresponding path program 1 times [2022-11-20 12:10:40,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:10:40,782 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [374017532] [2022-11-20 12:10:40,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:10:40,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:10:40,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:10:40,787 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:10:40,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:10:40,791 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:10:40,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:10:40,791 INFO L85 PathProgramCache]: Analyzing trace with hash 46916375, now seen corresponding path program 1 times [2022-11-20 12:10:40,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:10:40,792 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [738447214] [2022-11-20 12:10:40,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:10:40,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:10:40,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:10:40,800 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:10:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:10:40,807 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:10:40,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:10:40,807 INFO L85 PathProgramCache]: Analyzing trace with hash 585841106, now seen corresponding path program 1 times [2022-11-20 12:10:40,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 12:10:40,808 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1418957781] [2022-11-20 12:10:40,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 12:10:40,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 12:10:40,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:10:40,817 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 12:10:40,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 12:10:40,824 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 12:10:40,930 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:10:40,930 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:10:40,930 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:10:40,930 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:10:40,931 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 12:10:40,931 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:40,931 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:10:40,932 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:10:40,932 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration3_Loop [2022-11-20 12:10:40,932 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:10:40,932 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:10:40,934 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:10:40,950 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:10:41,042 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:10:41,043 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 12:10:41,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:41,058 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:41,059 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:41,098 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-11-20 12:10:41,104 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:10:41,104 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:10:41,144 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 12:10:41,179 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-11-20 12:10:41,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:41,180 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:41,181 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:41,195 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 12:10:41,195 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:10:41,208 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 12:10:41,285 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 12:10:41,289 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:41,289 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:10:41,290 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:10:41,290 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:10:41,290 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:10:41,290 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:10:41,290 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:41,290 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:10:41,290 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:10:41,290 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration3_Loop [2022-11-20 12:10:41,290 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:10:41,290 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:10:41,292 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:10:41,305 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:10:41,390 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:10:41,391 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:10:41,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:41,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:41,400 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:41,410 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:41,423 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:41,423 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:41,423 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:41,423 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-20 12:10:41,423 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:10:41,428 INFO L401 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2022-11-20 12:10:41,429 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:41,430 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 12:10:41,449 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:41,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:41,457 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:41,458 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:41,459 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:41,470 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:41,483 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:41,483 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:41,484 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:41,484 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:41,484 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:10:41,485 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:10:41,485 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:41,487 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 12:10:41,497 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:41,505 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:41,505 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-20 12:10:41,506 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:41,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:41,507 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:41,515 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:41,528 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:41,528 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:41,528 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:41,528 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-20 12:10:41,529 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 12:10:41,530 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 12:10:41,538 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 12:10:41,539 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:41,554 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:41,562 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:41,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:41,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:41,564 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:41,577 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 12:10:41,577 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:41,590 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:41,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:41,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:41,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:41,590 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 12:10:41,591 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 12:10:41,592 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:41,597 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:41,605 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:41,606 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-20 12:10:41,606 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:41,606 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:41,607 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:41,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 12:10:41,611 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:41,625 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:41,625 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:41,625 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:41,625 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-20 12:10:41,625 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 12:10:41,640 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-20 12:10:41,640 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:41,664 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:41,673 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:41,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:41,673 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:41,675 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:41,683 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:41,696 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:41,696 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:41,696 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:41,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:41,697 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 12:10:41,698 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 12:10:41,698 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:41,699 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 12:10:41,713 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:41,721 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:41,722 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-20 12:10:41,722 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:41,722 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:41,724 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:41,732 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:41,745 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 12:10:41,746 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:41,746 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:41,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:41,746 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-20 12:10:41,746 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 12:10:41,755 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-11-20 12:10:41,755 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:41,777 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:41,785 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:41,786 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:41,786 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:41,787 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:41,795 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:41,808 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:41,808 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:41,808 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:41,809 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:41,809 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 12:10:41,810 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 12:10:41,810 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:41,811 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 12:10:41,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:41,835 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:41,835 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-20 12:10:41,836 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:41,836 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:41,837 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:41,842 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 12:10:41,842 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:41,855 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 12:10:41,855 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 12:10:41,855 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:41,856 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:41,856 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-20 12:10:41,856 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 12:10:41,862 INFO L401 nArgumentSynthesizer]: We have 12 Motzkin's Theorem applications. [2022-11-20 12:10:41,862 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:41,882 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:41,891 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:41,891 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:41,891 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:41,892 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:41,897 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 12:10:41,897 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:41,910 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 12:10:41,910 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 12:10:41,910 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:41,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:41,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:41,910 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 12:10:41,912 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 12:10:41,912 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:41,922 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:41,934 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:41,934 INFO L490 LassoAnalysis]: Using template '3-phase'. [2022-11-20 12:10:41,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:41,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:41,936 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:41,945 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 12:10:41,946 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:41,959 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 12:10:41,959 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 12:10:41,959 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:41,959 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:41,959 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-20 12:10:41,959 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 12:10:41,969 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-20 12:10:41,969 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:42,013 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:42,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:42,020 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:42,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:42,021 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:42,030 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 [2022-11-20 12:10:42,043 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 12:10:42,044 INFO L338 nArgumentSynthesizer]: Template has degree 2. [2022-11-20 12:10:42,044 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:42,044 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:42,044 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:42,044 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 12:10:42,046 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 12:10:42,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:42,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 12:10:42,065 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:42,073 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:42,073 INFO L490 LassoAnalysis]: Using template '4-phase'. [2022-11-20 12:10:42,073 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:42,073 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:42,074 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:42,089 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 12:10:42,089 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:42,102 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 12:10:42,102 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 12:10:42,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:42,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:42,103 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-20 12:10:42,103 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 12:10:42,122 INFO L401 nArgumentSynthesizer]: We have 20 Motzkin's Theorem applications. [2022-11-20 12:10:42,123 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:42,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:42,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:42,172 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:42,172 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:42,173 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:42,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 12:10:42,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:42,201 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 12:10:42,201 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 12:10:42,201 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:42,202 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:42,202 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:42,202 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 12:10:42,204 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 12:10:42,204 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:42,225 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:42,233 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:42,233 INFO L490 LassoAnalysis]: Using template '2-lex'. [2022-11-20 12:10:42,234 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:42,234 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:42,235 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:42,241 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:42,254 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 12:10:42,254 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 12:10:42,254 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:42,255 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:42,255 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-20 12:10:42,255 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 12:10:42,257 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 12:10:42,260 INFO L401 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2022-11-20 12:10:42,260 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:42,289 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:42,297 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:42,297 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:42,297 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:42,298 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:42,307 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 [2022-11-20 12:10:42,320 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 12:10:42,320 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 12:10:42,320 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:42,320 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:42,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:42,320 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 12:10:42,321 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 12:10:42,321 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:42,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 12:10:42,337 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:42,345 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:42,345 INFO L490 LassoAnalysis]: Using template '3-lex'. [2022-11-20 12:10:42,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:42,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:42,347 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:42,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:42,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 12:10:42,366 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 12:10:42,366 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 12:10:42,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:42,366 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:42,366 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-20 12:10:42,366 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 12:10:42,374 INFO L401 nArgumentSynthesizer]: We have 24 Motzkin's Theorem applications. [2022-11-20 12:10:42,375 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:42,405 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:42,413 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:42,414 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:42,414 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:42,415 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:42,420 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:42,433 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 12:10:42,433 INFO L338 nArgumentSynthesizer]: Template has degree 3. [2022-11-20 12:10:42,433 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:42,433 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:42,433 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:42,433 INFO L205 nArgumentSynthesizer]: 6 template conjuncts. [2022-11-20 12:10:42,435 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 12:10:42,435 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:42,435 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 12:10:42,453 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:42,456 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:42,471 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:10:42,471 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:10:42,471 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:10:42,471 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:10:42,471 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 12:10:42,471 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:42,472 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:10:42,472 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:10:42,472 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration3_Lasso [2022-11-20 12:10:42,472 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:10:42,472 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:10:42,473 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:10:42,489 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:10:42,492 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:10:42,496 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:10:42,598 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:10:42,598 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 12:10:42,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:42,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:42,600 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:42,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 12:10:42,608 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 12:10:42,608 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:10:42,644 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:42,645 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:42,645 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:42,646 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:42,650 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 12:10:42,650 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 12:10:42,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 12:10:42,753 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 12:10:42,756 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2022-11-20 12:10:42,756 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 12:10:42,756 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 12:10:42,756 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 12:10:42,756 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 12:10:42,756 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 12:10:42,757 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:42,757 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 12:10:42,757 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 12:10:42,757 INFO L133 ssoRankerPreferences]: Filename of dumped script: and-04.c_Iteration3_Lasso [2022-11-20 12:10:42,757 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 12:10:42,757 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 12:10:42,758 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:10:42,761 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:10:42,776 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:10:42,779 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 12:10:42,882 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 12:10:42,882 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 12:10:42,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:42,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:42,886 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:42,889 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:42,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:42,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:42,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:42,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:42,902 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:10:42,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:10:42,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:42,937 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 12:10:42,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:42,946 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:42,946 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:42,947 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:42,948 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:42,953 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:42,966 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 12:10:42,966 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:42,967 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-20 12:10:42,967 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-20 12:10:42,967 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:10:42,991 INFO L401 nArgumentSynthesizer]: We have 56 Motzkin's Theorem applications. [2022-11-20 12:10:42,991 INFO L402 nArgumentSynthesizer]: A total of 8 supporting invariants were added. [2022-11-20 12:10:43,043 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,047 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,047 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,048 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,051 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 12:10:43,052 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:43,065 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:43,065 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:43,065 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:43,065 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:43,065 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:10:43,066 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:10:43,066 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:43,081 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,089 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,090 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,091 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,098 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:43,110 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:43,111 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:43,111 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:43,111 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:43,111 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 12:10:43,112 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 12:10:43,112 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:43,113 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 12:10:43,129 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,137 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,137 INFO L490 LassoAnalysis]: Using template '2-nested'. [2022-11-20 12:10:43,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,138 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,139 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:43,158 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:43,158 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:43,158 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:43,159 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:43,159 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 12:10:43,159 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 12:10:43,159 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:43,160 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 12:10:43,165 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,173 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,173 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,174 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,178 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 [2022-11-20 12:10:43,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:43,191 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-20 12:10:43,191 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-20 12:10:43,191 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 12:10:43,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 12:10:43,222 INFO L401 nArgumentSynthesizer]: We have 84 Motzkin's Theorem applications. [2022-11-20 12:10:43,222 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-20 12:10:43,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,306 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,309 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 12:10:43,311 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:43,326 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:43,326 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:43,326 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:43,326 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:43,326 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 12:10:43,327 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 12:10:43,327 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:43,341 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,344 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,345 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,346 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,354 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:43,366 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:43,366 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:43,367 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:43,367 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:43,367 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 12:10:43,368 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 12:10:43,368 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:43,369 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 12:10:43,381 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,385 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,385 INFO L490 LassoAnalysis]: Using template '3-nested'. [2022-11-20 12:10:43,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,385 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,386 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,390 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:43,403 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:43,403 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:43,403 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:43,403 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:43,404 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 12:10:43,404 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 12:10:43,404 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:43,406 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 12:10:43,425 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,433 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,435 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,440 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 12:10:43,441 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:43,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:43,454 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-20 12:10:43,454 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-20 12:10:43,454 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 12:10:43,489 INFO L401 nArgumentSynthesizer]: We have 112 Motzkin's Theorem applications. [2022-11-20 12:10:43,490 INFO L402 nArgumentSynthesizer]: A total of 16 supporting invariants were added. [2022-11-20 12:10:43,579 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,584 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,585 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,585 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,586 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,590 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:43,602 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:43,602 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:43,602 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:43,603 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:43,603 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 12:10:43,603 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 12:10:43,603 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:43,605 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 12:10:43,617 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,625 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,625 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,626 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,630 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 12:10:43,632 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:43,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:43,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:43,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:43,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:43,643 INFO L205 nArgumentSynthesizer]: 4 template conjuncts. [2022-11-20 12:10:43,644 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 12:10:43,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:43,646 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,649 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,649 INFO L490 LassoAnalysis]: Using template '4-nested'. [2022-11-20 12:10:43,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,649 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,650 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,653 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 12:10:43,654 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:43,664 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:43,665 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:43,665 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:43,665 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:43,665 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 12:10:43,666 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 12:10:43,666 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:43,677 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,681 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,681 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,682 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,683 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,687 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-20 12:10:43,688 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:43,698 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:43,699 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-20 12:10:43,699 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-20 12:10:43,699 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 12:10:43,738 INFO L401 nArgumentSynthesizer]: We have 140 Motzkin's Theorem applications. [2022-11-20 12:10:43,738 INFO L402 nArgumentSynthesizer]: A total of 20 supporting invariants were added. [2022-11-20 12:10:43,846 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,851 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,853 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,861 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:43,874 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:43,874 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:43,875 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:43,875 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:43,875 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 12:10:43,876 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 12:10:43,876 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:43,876 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 12:10:43,886 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,889 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,889 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,891 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,894 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:43,907 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 12:10:43,907 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:43,907 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:43,907 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:43,907 INFO L205 nArgumentSynthesizer]: 5 template conjuncts. [2022-11-20 12:10:43,908 INFO L401 nArgumentSynthesizer]: We have 5 Motzkin's Theorem applications. [2022-11-20 12:10:43,908 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:43,909 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-20 12:10:43,937 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,940 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,941 INFO L490 LassoAnalysis]: Using template '2-phase'. [2022-11-20 12:10:43,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,942 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,948 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:43,961 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 12:10:43,961 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 12:10:43,961 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 12:10:43,961 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 12:10:43,961 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 12:10:43,961 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 12:10:43,963 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2022-11-20 12:10:43,963 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 12:10:43,965 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-20 12:10:43,974 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 12:10:43,977 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:43,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:43,978 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:43,978 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:43,986 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 12:10:44,000 WARN L333 nArgumentSynthesizer]: Using a linear SMT query and a templates of degree > 0, hence this method is incomplete. [2022-11-20 12:10:44,000 INFO L338 nArgumentSynthesizer]: Template has degree 1. [2022-11-20 12:10:44,000 INFO L203 nArgumentSynthesizer]: 2 stem disjuncts [2022-11-20 12:10:44,000 INFO L204 nArgumentSynthesizer]: 4 loop disjuncts [2022-11-20 12:10:44,000 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2022-11-20 12:10:44,002 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-20 12:10:44,030 INFO L401 nArgumentSynthesizer]: We have 84 Motzkin's Theorem applications. [2022-11-20 12:10:44,030 INFO L402 nArgumentSynthesizer]: A total of 12 supporting invariants were added. [2022-11-20 12:10:44,174 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 12:10:44,353 INFO L443 ModelExtractionUtils]: Simplification made 14 calls to the SMT solver. [2022-11-20 12:10:44,354 INFO L444 ModelExtractionUtils]: 4 out of 30 variables were initially zero. Simplification set additionally 20 variables to zero. [2022-11-20 12:10:44,354 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 12:10:44,355 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 12:10:44,357 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 12:10:44,362 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 12:10:44,377 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-20 12:10:44,410 INFO L438 nArgumentSynthesizer]: Removed 11 redundant supporting invariants from a total of 12. [2022-11-20 12:10:44,410 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 12:10:44,410 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function 2-phase ranking function: f0 = 1*ULTIMATE.start_main_~x~0#1 f1 = -1*ULTIMATE.start_main_~x~0#1 Supporting invariants [1*ULTIMATE.start_main_~x~0#1 >= 0] [2022-11-20 12:10:44,416 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:44,425 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-20 12:10:44,464 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 12:10:44,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:10:44,469 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 12:10:44,470 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:10:44,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 12:10:44,501 WARN L261 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 8 conjunts are in the unsatisfiable core [2022-11-20 12:10:44,502 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 12:10:44,676 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-20 12:10:44,677 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 5 loop predicates [2022-11-20 12:10:44,677 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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) [2022-11-20 12:10:44,841 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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 18 states and 23 transitions. Complement of second has 8 states. [2022-11-20 12:10:44,841 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 6 states 2 stem states 2 non-accepting loop states 2 accepting loop states [2022-11-20 12:10:44,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7 states, 7 states have (on average 1.2857142857142858) internal successors, (9), 7 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) [2022-11-20 12:10:44,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 14 transitions. [2022-11-20 12:10:44,842 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 4 letters. Loop has 5 letters. [2022-11-20 12:10:44,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:10:44,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 9 letters. Loop has 5 letters. [2022-11-20 12:10:44,843 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:10:44,843 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 14 transitions. Stem has 4 letters. Loop has 10 letters. [2022-11-20 12:10:44,844 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 12:10:44,844 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 23 transitions. [2022-11-20 12:10:44,845 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:10:44,845 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 0 states and 0 transitions. [2022-11-20 12:10:44,845 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 12:10:44,845 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 12:10:44,845 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 12:10:44,845 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 12:10:44,845 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:10:44,845 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:10:44,846 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 12:10:44,846 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 12:10:44,846 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 12:10:44,846 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 12:10:44,846 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 12:10:44,853 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 12:10:44 BoogieIcfgContainer [2022-11-20 12:10:44,853 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 12:10:44,854 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 12:10:44,854 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 12:10:44,854 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 12:10:44,855 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 12:10:39" (3/4) ... [2022-11-20 12:10:44,858 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 12:10:44,858 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 12:10:44,858 INFO L158 Benchmark]: Toolchain (without parser) took 5713.22ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 129.1MB in the beginning and 134.1MB in the end (delta: -5.0MB). Peak memory consumption was 43.2MB. Max. memory is 16.1GB. [2022-11-20 12:10:44,859 INFO L158 Benchmark]: CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 13.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:10:44,859 INFO L158 Benchmark]: CACSL2BoogieTranslator took 205.79ms. Allocated memory is still 159.4MB. Free memory was 129.1MB in the beginning and 120.2MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 12:10:44,860 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.35ms. Allocated memory is still 159.4MB. Free memory was 119.8MB in the beginning and 118.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:10:44,860 INFO L158 Benchmark]: Boogie Preprocessor took 25.44ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 117.7MB in the end (delta: 892.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 12:10:44,860 INFO L158 Benchmark]: RCFGBuilder took 278.04ms. Allocated memory is still 159.4MB. Free memory was 117.7MB in the beginning and 108.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 12:10:44,861 INFO L158 Benchmark]: BuchiAutomizer took 5165.96ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 108.1MB in the beginning and 134.1MB in the end (delta: -26.1MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. [2022-11-20 12:10:44,861 INFO L158 Benchmark]: Witness Printer took 3.93ms. Allocated memory is still 205.5MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 12:10:44,863 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27ms. Allocated memory is still 113.2MB. Free memory was 66.6MB in the beginning and 66.6MB in the end (delta: 13.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 205.79ms. Allocated memory is still 159.4MB. Free memory was 129.1MB in the beginning and 120.2MB in the end (delta: 8.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.35ms. Allocated memory is still 159.4MB. Free memory was 119.8MB in the beginning and 118.6MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 25.44ms. Allocated memory is still 159.4MB. Free memory was 118.6MB in the beginning and 117.7MB in the end (delta: 892.1kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 278.04ms. Allocated memory is still 159.4MB. Free memory was 117.7MB in the beginning and 108.4MB in the end (delta: 9.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 5165.96ms. Allocated memory was 159.4MB in the beginning and 205.5MB in the end (delta: 46.1MB). Free memory was 108.1MB in the beginning and 134.1MB in the end (delta: -26.1MB). Peak memory consumption was 22.2MB. Max. memory is 16.1GB. * Witness Printer took 3.93ms. Allocated memory is still 205.5MB. Free memory is still 134.1MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 4 locations. One deterministic module has 2-phase ranking function (if x > 0 then 1 else 0), (if x > 0 then x else -1 * x) and consists of 6 locations. 1 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 5.1s and 4 iterations. TraceHistogramMax:1. Analysis of lassos took 4.3s. Construction of modules took 0.0s. Büchi inclusion checks took 0.5s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 20 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 19 mSDsluCounter, 18 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 5 mSDsCounter, 10 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 46 IncrementalHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 10 mSolverCounterUnsat, 13 mSDtfsCounter, 46 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI1 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital17 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq151 hnf96 smp100 dnf175 smp90 tf105 neg93 sie127 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 164ms VariablesStem: 1 VariablesLoop: 2 DisjunctsStem: 2 DisjunctsLoop: 4 SupportingInvariants: 20 MotzkinApplications: 140 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 12:10:44,877 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-20 12:10:45,077 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2005f22b-8b09-4f48-906c-32db6f5e17de/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE