./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.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_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/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_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/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_979b167f-0ad8-4465-a19b-9c07a1124dfa/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 de331d1f778f147a4d32c0286c0018cb5b5cf61f2b6c0952b6bed68b0f715eaf --- 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 09:33:29,239 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-20 09:33:29,242 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-20 09:33:29,286 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-20 09:33:29,287 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-20 09:33:29,291 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-20 09:33:29,294 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-20 09:33:29,297 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-20 09:33:29,300 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-20 09:33:29,306 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-20 09:33:29,308 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-20 09:33:29,311 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-20 09:33:29,311 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-20 09:33:29,314 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-20 09:33:29,316 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-20 09:33:29,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-20 09:33:29,322 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-20 09:33:29,323 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-20 09:33:29,324 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-20 09:33:29,332 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-20 09:33:29,333 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-20 09:33:29,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-20 09:33:29,338 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-20 09:33:29,339 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-20 09:33:29,351 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-20 09:33:29,351 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-20 09:33:29,351 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-20 09:33:29,354 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-20 09:33:29,355 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-20 09:33:29,356 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-20 09:33:29,356 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-20 09:33:29,357 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-20 09:33:29,359 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-20 09:33:29,361 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-20 09:33:29,362 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-20 09:33:29,362 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-20 09:33:29,363 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-20 09:33:29,363 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-20 09:33:29,364 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-20 09:33:29,365 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-20 09:33:29,366 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-20 09:33:29,367 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-20 09:33:29,417 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-20 09:33:29,417 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-20 09:33:29,418 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-20 09:33:29,418 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-20 09:33:29,420 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-20 09:33:29,420 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-20 09:33:29,420 INFO L138 SettingsManager]: * Use SBE=true [2022-11-20 09:33:29,421 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-20 09:33:29,421 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-20 09:33:29,421 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-20 09:33:29,422 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-20 09:33:29,423 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-20 09:33:29,423 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-20 09:33:29,423 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-20 09:33:29,424 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-20 09:33:29,424 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-20 09:33:29,424 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-20 09:33:29,424 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-20 09:33:29,425 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-20 09:33:29,425 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-20 09:33:29,425 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-20 09:33:29,425 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-20 09:33:29,426 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-20 09:33:29,426 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-20 09:33:29,426 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-20 09:33:29,427 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-20 09:33:29,427 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-20 09:33:29,427 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-20 09:33:29,429 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-20 09:33:29,430 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_979b167f-0ad8-4465-a19b-9c07a1124dfa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> de331d1f778f147a4d32c0286c0018cb5b5cf61f2b6c0952b6bed68b0f715eaf [2022-11-20 09:33:29,783 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-20 09:33:29,814 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-20 09:33:29,817 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-20 09:33:29,819 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-20 09:33:29,819 INFO L275 PluginConnector]: CDTParser initialized [2022-11-20 09:33:29,820 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/../../sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c [2022-11-20 09:33:33,048 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-11-20 09:33:33,289 INFO L351 CDTParser]: Found 1 translation units. [2022-11-20 09:33:33,290 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/sv-benchmarks/c/termination-crafted-lit/HarrisLalNoriRajamani-SAS2010-Fig1.c [2022-11-20 09:33:33,297 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/data/52461b07c/94bb37ed51234b30a62ff3f650cf5dad/FLAG86bf8a410 [2022-11-20 09:33:33,314 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/data/52461b07c/94bb37ed51234b30a62ff3f650cf5dad [2022-11-20 09:33:33,317 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-20 09:33:33,319 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-20 09:33:33,321 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-20 09:33:33,321 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-20 09:33:33,325 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-20 09:33:33,326 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:33:33" (1/1) ... [2022-11-20 09:33:33,328 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b1967f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:33, skipping insertion in model container [2022-11-20 09:33:33,328 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 09:33:33" (1/1) ... [2022-11-20 09:33:33,337 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-20 09:33:33,354 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-20 09:33:33,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:33:33,523 INFO L203 MainTranslator]: Completed pre-run [2022-11-20 09:33:33,540 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-20 09:33:33,551 INFO L208 MainTranslator]: Completed translation [2022-11-20 09:33:33,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:33 WrapperNode [2022-11-20 09:33:33,551 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-20 09:33:33,553 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-20 09:33:33,553 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-20 09:33:33,553 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-20 09:33:33,562 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:33" (1/1) ... [2022-11-20 09:33:33,567 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:33" (1/1) ... [2022-11-20 09:33:33,588 INFO L138 Inliner]: procedures = 5, calls = 4, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 67 [2022-11-20 09:33:33,588 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-20 09:33:33,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-20 09:33:33,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-20 09:33:33,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-20 09:33:33,599 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:33" (1/1) ... [2022-11-20 09:33:33,600 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:33" (1/1) ... [2022-11-20 09:33:33,601 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:33" (1/1) ... [2022-11-20 09:33:33,601 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:33" (1/1) ... [2022-11-20 09:33:33,603 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:33" (1/1) ... [2022-11-20 09:33:33,613 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:33" (1/1) ... [2022-11-20 09:33:33,620 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:33" (1/1) ... [2022-11-20 09:33:33,628 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:33" (1/1) ... [2022-11-20 09:33:33,629 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-20 09:33:33,631 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-20 09:33:33,633 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-20 09:33:33,633 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-20 09:33:33,634 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:33" (1/1) ... [2022-11-20 09:33:33,641 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:33,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:33,670 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:33,708 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-20 09:33:33,729 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-20 09:33:33,730 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-20 09:33:33,800 INFO L235 CfgBuilder]: Building ICFG [2022-11-20 09:33:33,803 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-20 09:33:33,996 INFO L276 CfgBuilder]: Performing block encoding [2022-11-20 09:33:34,018 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-20 09:33:34,018 INFO L300 CfgBuilder]: Removed 4 assume(true) statements. [2022-11-20 09:33:34,021 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:33:34 BoogieIcfgContainer [2022-11-20 09:33:34,021 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-20 09:33:34,022 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-20 09:33:34,022 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-20 09:33:34,027 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-20 09:33:34,028 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:33:34,028 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.11 09:33:33" (1/3) ... [2022-11-20 09:33:34,029 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d1f4da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:33:34, skipping insertion in model container [2022-11-20 09:33:34,029 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:33:34,030 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 09:33:33" (2/3) ... [2022-11-20 09:33:34,030 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4d1f4da3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.11 09:33:34, skipping insertion in model container [2022-11-20 09:33:34,030 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-20 09:33:34,031 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:33:34" (3/3) ... [2022-11-20 09:33:34,048 INFO L332 chiAutomizerObserver]: Analyzing ICFG HarrisLalNoriRajamani-SAS2010-Fig1.c [2022-11-20 09:33:34,155 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-20 09:33:34,156 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-20 09:33:34,156 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-20 09:33:34,156 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-20 09:33:34,156 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-20 09:33:34,156 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-20 09:33:34,157 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-20 09:33:34,157 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-20 09:33:34,164 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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 09:33:34,191 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-20 09:33:34,191 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:34,191 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:34,196 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 09:33:34,196 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 09:33:34,197 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-20 09:33:34,197 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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 09:33:34,200 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 8 [2022-11-20 09:33:34,200 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:34,200 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:34,201 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 09:33:34,201 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 09:33:34,210 INFO L748 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 11#L41true assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 12#L18true assume !(f_~k~0#1 > 1073741823); 8#L23-1true [2022-11-20 09:33:34,210 INFO L750 eck$LassoCheckResult]: Loop: 8#L23-1true assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 8#L23-1true [2022-11-20 09:33:34,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:34,222 INFO L85 PathProgramCache]: Analyzing trace with hash 925608, now seen corresponding path program 1 times [2022-11-20 09:33:34,231 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:34,232 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1907202142] [2022-11-20 09:33:34,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:34,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:34,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:34,331 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:34,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:34,356 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:34,358 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:34,358 INFO L85 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2022-11-20 09:33:34,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:34,359 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597285459] [2022-11-20 09:33:34,359 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:34,359 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:34,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:34,374 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:34,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:34,385 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:34,388 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:34,393 INFO L85 PathProgramCache]: Analyzing trace with hash 28693867, now seen corresponding path program 1 times [2022-11-20 09:33:34,393 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:34,393 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [993530073] [2022-11-20 09:33:34,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:34,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:34,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:34,406 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:34,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:34,417 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:34,572 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:33:34,573 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:33:34,573 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:33:34,573 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:33:34,574 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:33:34,574 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:34,574 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:33:34,574 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:33:34,574 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration1_Lasso [2022-11-20 09:33:34,574 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:33:34,575 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:33:34,592 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 09:33:34,608 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 09:33:34,615 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 09:33:34,620 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 09:33:34,625 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 09:33:34,638 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 09:33:34,642 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 09:33:34,646 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 09:33:34,651 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 09:33:34,655 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 09:33:34,662 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 09:33:34,794 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:33:34,794 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:33:34,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:34,796 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:34,803 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:34,806 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:34,806 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:34,819 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-20 09:33:34,832 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:34,832 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0#1=0} Honda state: {ULTIMATE.start_f_~x~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:34,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:34,842 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:34,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:34,844 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:34,854 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:34,854 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:34,867 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-20 09:33:34,887 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:34,887 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:34,896 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:34,897 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:34,897 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:34,898 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:34,907 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-20 09:33:34,908 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:34,908 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:34,932 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:34,932 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0#1=0} Honda state: {ULTIMATE.start_f_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:34,941 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:34,941 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:34,941 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:34,943 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:34,948 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-20 09:33:34,948 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:34,949 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:34,972 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:34,972 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4#1=0} Honda state: {ULTIMATE.start_f_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:34,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:34,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:34,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:34,982 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:34,986 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:34,986 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:34,990 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-20 09:33:35,007 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:35,007 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#in~d#1=0, ULTIMATE.start_f_~d#1=0} Honda state: {ULTIMATE.start_f_#in~d#1=1, ULTIMATE.start_f_~d#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:35,011 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:35,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,011 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,012 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,035 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-20 09:33:35,039 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:35,039 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:35,082 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:35,082 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=0} Honda state: {ULTIMATE.start_f_~y~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:35,095 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-11-20 09:33:35,098 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,098 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,102 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,104 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-20 09:33:35,107 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:35,108 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:35,127 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:35,127 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:35,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:35,131 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,132 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,133 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,136 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-20 09:33:35,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:35,137 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:35,151 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:35,151 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:35,160 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:35,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,160 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,161 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,164 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-20 09:33:35,165 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:35,165 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:35,180 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:35,180 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:35,184 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:35,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,186 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,191 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-20 09:33:35,192 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:35,192 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:35,206 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:35,206 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1#1=0} Honda state: {ULTIMATE.start_f_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:35,209 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:35,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,210 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,211 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,213 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-20 09:33:35,214 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:35,214 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:35,242 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:35,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:35,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:35,244 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:35,249 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-20 09:33:35,251 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:33:35,251 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:47,352 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-11-20 09:33:47,364 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:47,364 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:33:47,365 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:33:47,365 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:33:47,365 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:33:47,365 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:33:47,365 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:47,365 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:33:47,365 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:33:47,365 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration1_Lasso [2022-11-20 09:33:47,365 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:33:47,365 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:33:47,367 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 09:33:47,371 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 09:33:47,373 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 09:33:47,376 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 09:33:47,379 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 09:33:47,382 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:33:47,388 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 09:33:47,391 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 09:33:47,393 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 09:33:47,396 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 09:33:47,401 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 09:33:47,512 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:33:47,517 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:33:47,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:47,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:47,519 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:47,531 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-20 09:33:47,531 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 09:33:47,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:47,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:47,545 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:47,545 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:47,545 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:47,547 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:47,547 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:47,563 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:47,566 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:47,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:47,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:47,575 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:47,584 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 09:33:47,597 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:47,597 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:47,597 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:47,598 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:47,598 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:47,598 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:47,598 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:47,599 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-20 09:33:47,608 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:47,623 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:47,623 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:47,623 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:47,624 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:47,631 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:47,638 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2022-11-20 09:33:47,643 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:47,643 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:47,643 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:47,643 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:47,644 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:47,644 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:47,644 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:47,671 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:47,675 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:47,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:47,676 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:47,677 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:47,680 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2022-11-20 09:33:47,680 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:47,690 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:47,690 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:47,691 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:47,691 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:47,691 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:47,691 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:47,692 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:47,703 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:47,711 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:47,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:47,712 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:47,713 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:47,715 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2022-11-20 09:33:47,716 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 09:33:47,726 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:47,726 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:47,726 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:47,726 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:47,726 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:47,727 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:47,727 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:47,732 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:47,735 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:47,735 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:47,736 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:47,736 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:47,737 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2022-11-20 09:33:47,739 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 09:33:47,751 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:47,751 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:47,751 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:47,751 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:47,757 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:47,757 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:47,780 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:47,783 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:47,783 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:47,784 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:47,784 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:47,791 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2022-11-20 09:33:47,792 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 09:33:47,802 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:47,802 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:47,802 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:47,802 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:47,802 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:47,803 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:47,803 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:47,839 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:47,842 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:47,843 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:47,843 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:47,844 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:47,855 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2022-11-20 09:33:47,856 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 09:33:47,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:47,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:47,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:47,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:47,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:47,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:47,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:47,879 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:47,883 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:47,883 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:47,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:47,884 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:47,891 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:33:47,895 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2022-11-20 09:33:47,902 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:47,902 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:47,902 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:47,902 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:47,903 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:47,903 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:47,903 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:47,914 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:47,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:47,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:47,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:47,920 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:47,927 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 09:33:47,941 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2022-11-20 09:33:47,941 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:47,941 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:33:47,941 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:47,942 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:47,942 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:47,942 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:33:47,943 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:33:47,959 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:33:47,967 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:47,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:47,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:47,969 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:47,975 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2022-11-20 09:33:47,976 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 09:33:47,990 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:33:47,990 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:33:47,990 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:33:47,990 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:33:48,012 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:33:48,013 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:33:48,035 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:33:48,047 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-20 09:33:48,047 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-20 09:33:48,049 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:48,049 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:48,079 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:48,092 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:33:48,095 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2022-11-20 09:33:48,123 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 09:33:48,124 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:33:48,124 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0#1, ULTIMATE.start_f_~z~0#1) = 1*ULTIMATE.start_f_~k~0#1 - 1*ULTIMATE.start_f_~z~0#1 Supporting invariants [1*ULTIMATE.start_f_~z~0#1 - 1 >= 0] [2022-11-20 09:33:48,131 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:48,138 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-20 09:33:48,179 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:48,192 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 09:33:48,193 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:48,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:33:48,221 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:33:48,221 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:33:48,222 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 09:33:48,260 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2022-11-20 09:33:48,262 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:48,369 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 18 states, 17 states have (on average 1.7647058823529411) internal successors, (30), 17 states have internal predecessors, (30), 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 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 58 states and 85 transitions. Complement of second has 7 states. [2022-11-20 09:33:48,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:33:48,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:33:48,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 57 transitions. [2022-11-20 09:33:48,380 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 4 letters. Loop has 1 letters. [2022-11-20 09:33:48,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:48,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 5 letters. Loop has 1 letters. [2022-11-20 09:33:48,381 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:48,381 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 57 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-20 09:33:48,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:33:48,383 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 58 states and 85 transitions. [2022-11-20 09:33:48,387 INFO L131 ngComponentsAnalysis]: Automaton has 5 accepting balls. 11 [2022-11-20 09:33:48,391 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 58 states to 21 states and 29 transitions. [2022-11-20 09:33:48,392 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-11-20 09:33:48,392 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-20 09:33:48,393 INFO L73 IsDeterministic]: Start isDeterministic. Operand 21 states and 29 transitions. [2022-11-20 09:33:48,393 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:33:48,394 INFO L218 hiAutomatonCegarLoop]: Abstraction has 21 states and 29 transitions. [2022-11-20 09:33:48,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states and 29 transitions. [2022-11-20 09:33:48,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 14. [2022-11-20 09:33:48,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.4285714285714286) internal successors, (20), 13 states have internal predecessors, (20), 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 09:33:48,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 20 transitions. [2022-11-20 09:33:48,418 INFO L240 hiAutomatonCegarLoop]: Abstraction has 14 states and 20 transitions. [2022-11-20 09:33:48,418 INFO L428 stractBuchiCegarLoop]: Abstraction has 14 states and 20 transitions. [2022-11-20 09:33:48,418 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-20 09:33:48,418 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 20 transitions. [2022-11-20 09:33:48,419 INFO L131 ngComponentsAnalysis]: Automaton has 3 accepting balls. 7 [2022-11-20 09:33:48,419 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:33:48,419 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:33:48,419 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2022-11-20 09:33:48,420 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-11-20 09:33:48,420 INFO L748 eck$LassoCheckResult]: Stem: 127#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 128#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 134#L41 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 129#L18-1 assume !(f_~k~0#1 > 1073741823); 130#L23-3 [2022-11-20 09:33:48,420 INFO L750 eck$LassoCheckResult]: Loop: 130#L23-3 assume !!(f_~z~0#1 < f_~k~0#1);f_~z~0#1 := 2 * f_~z~0#1; 130#L23-3 [2022-11-20 09:33:48,421 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:48,421 INFO L85 PathProgramCache]: Analyzing trace with hash 926856, now seen corresponding path program 1 times [2022-11-20 09:33:48,421 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:48,421 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [572613800] [2022-11-20 09:33:48,421 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:48,422 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:48,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:48,427 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:48,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:48,432 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:48,433 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:48,433 INFO L85 PathProgramCache]: Analyzing trace with hash 89, now seen corresponding path program 1 times [2022-11-20 09:33:48,433 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:48,433 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [873786227] [2022-11-20 09:33:48,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:48,434 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:48,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:48,437 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:48,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:48,442 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:48,442 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:33:48,442 INFO L85 PathProgramCache]: Analyzing trace with hash 28732594, now seen corresponding path program 1 times [2022-11-20 09:33:48,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:33:48,443 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [681445736] [2022-11-20 09:33:48,443 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:33:48,443 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:33:48,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:48,460 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:33:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:33:48,468 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:33:48,516 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:33:48,516 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:33:48,516 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:33:48,516 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:33:48,517 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:33:48,517 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:48,517 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:33:48,517 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:33:48,517 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration2_Lasso [2022-11-20 09:33:48,517 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:33:48,517 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:33:48,519 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 09:33:48,526 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 09:33:48,529 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 09:33:48,532 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 09:33:48,535 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 09:33:48,537 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 09:33:48,540 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 09:33:48,552 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 09:33:48,555 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 09:33:48,558 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 09:33:48,560 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 09:33:48,647 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:33:48,647 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:33:48,647 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:48,647 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:48,654 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:48,662 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:48,662 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:48,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2022-11-20 09:33:48,689 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:48,689 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#in~d#1=0, ULTIMATE.start_f_~d#1=0} Honda state: {ULTIMATE.start_f_#in~d#1=2, ULTIMATE.start_f_~d#1=2} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:48,695 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:48,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:48,695 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:48,697 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:48,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:48,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2022-11-20 09:33:48,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:48,725 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:48,750 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:48,750 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:48,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:48,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:48,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:48,762 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:48,773 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:48,773 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:48,788 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2022-11-20 09:33:48,807 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:48,807 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0#1=0} Honda state: {ULTIMATE.start_f_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:48,816 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:48,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:48,820 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:48,821 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:48,825 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:48,826 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:48,839 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2022-11-20 09:33:48,867 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:48,867 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:48,876 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:48,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:48,876 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:48,877 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:48,882 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:48,882 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:48,899 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2022-11-20 09:33:48,917 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:48,917 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1#1=0} Honda state: {ULTIMATE.start_f_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:48,926 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:48,926 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:48,926 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:48,928 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:48,933 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:48,933 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:48,947 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2022-11-20 09:33:48,963 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:33:48,963 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:33:48,973 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:48,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:48,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:48,976 INFO L229 MonitoredProcess]: Starting monitored process 32 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:48,980 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:33:48,981 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:48,994 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Waiting until timeout for monitored process [2022-11-20 09:33:49,023 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (32)] Forceful destruction successful, exit code 0 [2022-11-20 09:33:49,023 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:33:49,023 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:33:49,026 INFO L229 MonitoredProcess]: Starting monitored process 33 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:33:49,030 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:33:49,031 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:33:49,046 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Waiting until timeout for monitored process [2022-11-20 09:34:01,135 INFO L442 LassoAnalysis]: Proving nontermination failed: SMT Solver returned 'unknown'. [2022-11-20 09:34:01,147 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (33)] Ended with exit code 0 [2022-11-20 09:34:01,148 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:01,148 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:01,148 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:01,148 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:01,148 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:34:01,148 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:01,148 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:01,148 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:01,148 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration2_Lasso [2022-11-20 09:34:01,148 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:01,149 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:01,151 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 09:34:01,164 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 09:34:01,168 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 09:34:01,171 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 09:34:01,185 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 09:34:01,188 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 09:34:01,197 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 09:34:01,200 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 09:34:01,203 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 09:34:01,207 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 09:34:01,210 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 09:34:01,302 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:01,303 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:34:01,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:01,303 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:01,304 INFO L229 MonitoredProcess]: Starting monitored process 34 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:01,316 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 09:34:01,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Waiting until timeout for monitored process [2022-11-20 09:34:01,331 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:01,331 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:01,331 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:01,331 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:01,331 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:01,332 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:01,333 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:01,347 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:01,355 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (34)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:01,356 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:01,356 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:01,357 INFO L229 MonitoredProcess]: Starting monitored process 35 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:01,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Waiting until timeout for monitored process [2022-11-20 09:34:01,361 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 09:34:01,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:01,372 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:01,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:01,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:01,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:01,373 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:01,373 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:01,384 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:01,391 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (35)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:01,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:01,391 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:01,392 INFO L229 MonitoredProcess]: Starting monitored process 36 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:01,402 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 09:34:01,416 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Waiting until timeout for monitored process [2022-11-20 09:34:01,416 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:01,417 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:01,417 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:01,417 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:01,417 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:01,418 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:01,418 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:01,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:01,436 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (36)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:01,437 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:01,437 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:01,438 INFO L229 MonitoredProcess]: Starting monitored process 37 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:01,443 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:01,457 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Waiting until timeout for monitored process [2022-11-20 09:34:01,457 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:01,457 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:01,457 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:01,457 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:01,463 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:01,463 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:01,483 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:34:01,502 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 09:34:01,502 INFO L444 ModelExtractionUtils]: 4 out of 10 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-20 09:34:01,503 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:01,503 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:01,504 INFO L229 MonitoredProcess]: Starting monitored process 38 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:01,509 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:34:01,523 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Waiting until timeout for monitored process [2022-11-20 09:34:01,538 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 09:34:01,539 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:34:01,539 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~k~0#1, ULTIMATE.start_f_~z~0#1) = 1*ULTIMATE.start_f_~k~0#1 - 1*ULTIMATE.start_f_~z~0#1 Supporting invariants [1*ULTIMATE.start_f_~z~0#1 - 1 >= 0] [2022-11-20 09:34:01,547 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (37)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:01,552 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-20 09:34:01,587 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:01,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:01,596 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 3 conjunts are in the unsatisfiable core [2022-11-20 09:34:01,596 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:01,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:01,626 WARN L261 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:01,627 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:01,627 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 09:34:01,628 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 1 loop predicates [2022-11-20 09:34:01,628 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 10 Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:01,683 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 20 transitions. cyclomatic complexity: 10. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 36 transitions. Complement of second has 6 states. [2022-11-20 09:34:01,684 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:01,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:01,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-11-20 09:34:01,685 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 4 letters. Loop has 1 letters. [2022-11-20 09:34:01,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:01,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 5 letters. Loop has 1 letters. [2022-11-20 09:34:01,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:01,686 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 4 letters. Loop has 2 letters. [2022-11-20 09:34:01,686 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:01,686 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2022-11-20 09:34:01,688 INFO L131 ngComponentsAnalysis]: Automaton has 4 accepting balls. 10 [2022-11-20 09:34:01,688 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 22 states and 31 transitions. [2022-11-20 09:34:01,688 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-11-20 09:34:01,689 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 20 [2022-11-20 09:34:01,689 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2022-11-20 09:34:01,689 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:34:01,689 INFO L218 hiAutomatonCegarLoop]: Abstraction has 22 states and 31 transitions. [2022-11-20 09:34:01,689 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2022-11-20 09:34:01,691 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 15. [2022-11-20 09:34:01,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15 states, 15 states have (on average 1.4666666666666666) internal successors, (22), 14 states have internal predecessors, (22), 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 09:34:01,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 15 states and 22 transitions. [2022-11-20 09:34:01,692 INFO L240 hiAutomatonCegarLoop]: Abstraction has 15 states and 22 transitions. [2022-11-20 09:34:01,692 INFO L428 stractBuchiCegarLoop]: Abstraction has 15 states and 22 transitions. [2022-11-20 09:34:01,692 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-20 09:34:01,692 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states and 22 transitions. [2022-11-20 09:34:01,693 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-20 09:34:01,693 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:34:01,693 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:34:01,695 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 09:34:01,695 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:34:01,695 INFO L748 eck$LassoCheckResult]: Stem: 211#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 212#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 216#L41 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 222#L18 assume !(f_~k~0#1 > 1073741823); 217#L23-1 assume !(f_~z~0#1 < f_~k~0#1); 210#L29-2 [2022-11-20 09:34:01,695 INFO L750 eck$LassoCheckResult]: Loop: 210#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 215#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 210#L29-2 [2022-11-20 09:34:01,696 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:01,696 INFO L85 PathProgramCache]: Analyzing trace with hash 28693865, now seen corresponding path program 1 times [2022-11-20 09:34:01,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:01,696 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [892290333] [2022-11-20 09:34:01,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:01,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:01,702 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:01,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:01,707 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:01,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:01,708 INFO L85 PathProgramCache]: Analyzing trace with hash 1928, now seen corresponding path program 1 times [2022-11-20 09:34:01,708 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:01,708 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193869744] [2022-11-20 09:34:01,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:01,709 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:01,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:01,722 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:01,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:01,728 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:01,729 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:01,729 INFO L85 PathProgramCache]: Analyzing trace with hash 1805001456, now seen corresponding path program 1 times [2022-11-20 09:34:01,732 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:01,732 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1913949875] [2022-11-20 09:34:01,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:01,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:01,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:01,750 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:01,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:01,757 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:01,843 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:01,843 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:01,844 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:01,844 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:01,844 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:34:01,844 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:01,844 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:01,844 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:01,844 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration3_Lasso [2022-11-20 09:34:01,844 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:01,844 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:01,846 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 09:34:01,853 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 09:34:01,870 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 09:34:01,873 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 09:34:01,881 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 09:34:01,885 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 09:34:01,889 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 09:34:01,892 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 09:34:01,896 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 09:34:01,903 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 09:34:01,994 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:01,995 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:34:01,995 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:01,995 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:01,997 INFO L229 MonitoredProcess]: Starting monitored process 39 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:02,004 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:02,004 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:02,005 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Waiting until timeout for monitored process [2022-11-20 09:34:02,027 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:02,027 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:02,037 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (39)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:02,040 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:02,040 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:02,041 INFO L229 MonitoredProcess]: Starting monitored process 40 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:02,046 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:02,047 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:02,061 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Waiting until timeout for monitored process [2022-11-20 09:34:02,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (40)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:02,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:02,084 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:02,087 INFO L229 MonitoredProcess]: Starting monitored process 41 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:02,092 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:34:02,092 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:02,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Waiting until timeout for monitored process [2022-11-20 09:34:02,215 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 09:34:02,222 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (41)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:02,222 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:02,222 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:02,222 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:02,223 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:02,223 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:34:02,223 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:02,223 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:02,223 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:02,223 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration3_Lasso [2022-11-20 09:34:02,223 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:02,223 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:02,224 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 09:34:02,236 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 09:34:02,239 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 09:34:02,242 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 09:34:02,244 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 09:34:02,248 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 09:34:02,251 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 09:34:02,258 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 09:34:02,261 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 09:34:02,264 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 09:34:02,350 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:02,351 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:34:02,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:02,351 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:02,352 INFO L229 MonitoredProcess]: Starting monitored process 42 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:02,356 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Waiting until timeout for monitored process [2022-11-20 09:34:02,357 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 09:34:02,372 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:02,372 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:02,372 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:02,372 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:02,381 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:02,381 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:02,395 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:34:02,404 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 09:34:02,404 INFO L444 ModelExtractionUtils]: 8 out of 13 variables were initially zero. Simplification set additionally 1 variables to zero. [2022-11-20 09:34:02,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:02,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:02,409 INFO L229 MonitoredProcess]: Starting monitored process 43 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:02,410 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:34:02,424 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Waiting until timeout for monitored process [2022-11-20 09:34:02,441 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 09:34:02,442 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:34:02,442 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2022-11-20 09:34:02,451 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (42)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:02,453 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-20 09:34:02,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:02,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:02,505 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:34:02,505 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:02,522 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (43)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:02,542 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (38)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:02,555 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:02,556 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:02,578 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 09:34:02,579 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:34:02,579 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states and 22 transitions. cyclomatic complexity: 11 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:02,622 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states and 22 transitions. cyclomatic complexity: 11. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 30 transitions. Complement of second has 6 states. [2022-11-20 09:34:02,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:02,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:02,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-11-20 09:34:02,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-20 09:34:02,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:02,625 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-20 09:34:02,625 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:02,626 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-20 09:34:02,626 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:02,626 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 30 transitions. [2022-11-20 09:34:02,627 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-20 09:34:02,628 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 20 states and 29 transitions. [2022-11-20 09:34:02,628 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 15 [2022-11-20 09:34:02,628 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 16 [2022-11-20 09:34:02,628 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 29 transitions. [2022-11-20 09:34:02,629 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:34:02,629 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 29 transitions. [2022-11-20 09:34:02,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 29 transitions. [2022-11-20 09:34:02,631 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-11-20 09:34:02,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.4736842105263157) internal successors, (28), 18 states have internal predecessors, (28), 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 09:34:02,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 28 transitions. [2022-11-20 09:34:02,632 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 28 transitions. [2022-11-20 09:34:02,632 INFO L428 stractBuchiCegarLoop]: Abstraction has 19 states and 28 transitions. [2022-11-20 09:34:02,633 INFO L335 stractBuchiCegarLoop]: ======== Iteration 4 ============ [2022-11-20 09:34:02,633 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 19 states and 28 transitions. [2022-11-20 09:34:02,633 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-20 09:34:02,634 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:34:02,634 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:34:02,634 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-20 09:34:02,634 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:34:02,635 INFO L748 eck$LassoCheckResult]: Stem: 299#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 300#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 306#L41 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 301#L18-1 assume !(f_~k~0#1 > 1073741823); 302#L23-3 assume !(f_~z~0#1 < f_~k~0#1); 310#L29-5 [2022-11-20 09:34:02,635 INFO L750 eck$LassoCheckResult]: Loop: 310#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 311#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 310#L29-5 [2022-11-20 09:34:02,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:02,636 INFO L85 PathProgramCache]: Analyzing trace with hash 28732592, now seen corresponding path program 1 times [2022-11-20 09:34:02,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:02,636 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140478172] [2022-11-20 09:34:02,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:02,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:02,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:02,641 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:02,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:02,646 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:02,647 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:02,647 INFO L85 PathProgramCache]: Analyzing trace with hash 3176, now seen corresponding path program 1 times [2022-11-20 09:34:02,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:02,647 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130788831] [2022-11-20 09:34:02,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:02,648 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:02,651 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:02,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:02,655 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:02,655 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:02,655 INFO L85 PathProgramCache]: Analyzing trace with hash 1842219351, now seen corresponding path program 1 times [2022-11-20 09:34:02,656 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:02,656 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918497767] [2022-11-20 09:34:02,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:02,656 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:02,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:02,662 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:02,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:02,668 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:02,746 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:02,746 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:02,746 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:02,746 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:02,746 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:34:02,746 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:02,747 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:02,747 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:02,747 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration4_Lasso [2022-11-20 09:34:02,747 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:02,747 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:02,748 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 09:34:02,758 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 09:34:02,760 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 09:34:02,770 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 09:34:02,772 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 09:34:02,775 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 09:34:02,777 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 09:34:02,780 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 09:34:02,782 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 09:34:02,785 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 09:34:02,859 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:02,860 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:34:02,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:02,860 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:02,861 INFO L229 MonitoredProcess]: Starting monitored process 44 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:02,872 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:02,872 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:02,883 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Waiting until timeout for monitored process [2022-11-20 09:34:02,903 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:02,903 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0#1=0, ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~k~0#1=1, ULTIMATE.start_f_~z~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:02,907 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (44)] Ended with exit code 0 [2022-11-20 09:34:02,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:02,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:02,908 INFO L229 MonitoredProcess]: Starting monitored process 45 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:02,911 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Waiting until timeout for monitored process [2022-11-20 09:34:02,912 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:02,912 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:02,930 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:02,930 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:02,934 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (45)] Ended with exit code 0 [2022-11-20 09:34:02,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:02,934 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:02,936 INFO L229 MonitoredProcess]: Starting monitored process 46 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:02,938 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Waiting until timeout for monitored process [2022-11-20 09:34:02,939 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:02,939 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:02,963 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (46)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:02,967 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:02,967 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:02,968 INFO L229 MonitoredProcess]: Starting monitored process 47 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:02,973 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:34:02,973 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:02,987 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Waiting until timeout for monitored process [2022-11-20 09:34:03,115 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 09:34:03,120 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (47)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:03,121 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:03,121 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:03,121 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:03,121 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:03,121 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:34:03,121 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:03,121 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:03,121 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:03,121 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration4_Lasso [2022-11-20 09:34:03,122 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:03,122 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:03,123 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 09:34:03,129 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 09:34:03,132 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 09:34:03,134 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 09:34:03,141 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 09:34:03,154 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 09:34:03,157 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 09:34:03,160 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 09:34:03,163 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 09:34:03,165 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 09:34:03,249 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:03,249 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:34:03,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:03,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:03,251 INFO L229 MonitoredProcess]: Starting monitored process 48 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:03,260 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:03,274 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Waiting until timeout for monitored process [2022-11-20 09:34:03,274 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:03,274 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:03,275 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:03,275 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:03,275 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:03,276 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:03,276 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:03,295 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:03,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (48)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:03,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:03,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:03,300 INFO L229 MonitoredProcess]: Starting monitored process 49 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:03,304 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 09:34:03,319 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Waiting until timeout for monitored process [2022-11-20 09:34:03,319 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:03,319 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:03,319 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:03,320 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:03,320 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:03,320 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:03,320 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:03,335 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:03,338 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (49)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:03,339 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:03,339 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:03,340 INFO L229 MonitoredProcess]: Starting monitored process 50 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:03,347 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 09:34:03,361 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Waiting until timeout for monitored process [2022-11-20 09:34:03,362 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:03,362 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:03,362 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:03,362 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:03,363 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:03,363 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:03,363 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:03,372 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:03,377 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (50)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:03,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:03,377 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:03,379 INFO L229 MonitoredProcess]: Starting monitored process 51 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:03,383 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 09:34:03,398 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Waiting until timeout for monitored process [2022-11-20 09:34:03,399 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:03,399 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:03,399 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:03,399 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:03,402 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:03,402 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:03,427 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:03,431 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (51)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:03,431 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:03,431 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:03,434 INFO L229 MonitoredProcess]: Starting monitored process 52 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:03,438 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 09:34:03,454 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Waiting until timeout for monitored process [2022-11-20 09:34:03,454 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:03,455 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:03,455 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:03,455 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:03,460 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:03,460 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:03,483 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:34:03,489 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-20 09:34:03,489 INFO L444 ModelExtractionUtils]: 9 out of 13 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-20 09:34:03,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:03,490 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:03,491 INFO L229 MonitoredProcess]: Starting monitored process 53 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:03,495 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:34:03,510 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Waiting until timeout for monitored process [2022-11-20 09:34:03,532 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 09:34:03,532 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:34:03,532 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2022-11-20 09:34:03,537 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (52)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:03,540 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-20 09:34:03,571 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:03,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:03,578 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:34:03,579 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:03,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:03,620 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:03,621 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:03,646 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 09:34:03,647 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:34:03,647 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 19 states and 28 transitions. cyclomatic complexity: 14 Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:03,700 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 19 states and 28 transitions. cyclomatic complexity: 14. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 36 transitions. Complement of second has 6 states. [2022-11-20 09:34:03,700 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:03,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:03,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 17 transitions. [2022-11-20 09:34:03,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 2 letters. [2022-11-20 09:34:03,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:03,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 7 letters. Loop has 2 letters. [2022-11-20 09:34:03,702 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:03,702 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 17 transitions. Stem has 5 letters. Loop has 4 letters. [2022-11-20 09:34:03,703 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:03,703 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 36 transitions. [2022-11-20 09:34:03,704 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-20 09:34:03,704 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 24 states and 35 transitions. [2022-11-20 09:34:03,704 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-20 09:34:03,705 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 09:34:03,705 INFO L73 IsDeterministic]: Start isDeterministic. Operand 24 states and 35 transitions. [2022-11-20 09:34:03,705 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:34:03,705 INFO L218 hiAutomatonCegarLoop]: Abstraction has 24 states and 35 transitions. [2022-11-20 09:34:03,705 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states and 35 transitions. [2022-11-20 09:34:03,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 23. [2022-11-20 09:34:03,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 23 states have (on average 1.4782608695652173) internal successors, (34), 22 states have internal predecessors, (34), 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 09:34:03,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 34 transitions. [2022-11-20 09:34:03,708 INFO L240 hiAutomatonCegarLoop]: Abstraction has 23 states and 34 transitions. [2022-11-20 09:34:03,708 INFO L428 stractBuchiCegarLoop]: Abstraction has 23 states and 34 transitions. [2022-11-20 09:34:03,708 INFO L335 stractBuchiCegarLoop]: ======== Iteration 5 ============ [2022-11-20 09:34:03,708 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 23 states and 34 transitions. [2022-11-20 09:34:03,709 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 6 [2022-11-20 09:34:03,709 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:34:03,709 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:34:03,711 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:03,711 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 09:34:03,711 INFO L748 eck$LassoCheckResult]: Stem: 393#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 394#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 402#L41 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 412#L18 assume !(f_~k~0#1 > 1073741823); 403#L23-1 assume !(f_~z~0#1 < f_~k~0#1); 404#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 399#L29 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 397#L30 [2022-11-20 09:34:03,711 INFO L750 eck$LassoCheckResult]: Loop: 397#L30 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1; 398#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 415#L29 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 397#L30 [2022-11-20 09:34:03,712 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:03,712 INFO L85 PathProgramCache]: Analyzing trace with hash 1805001452, now seen corresponding path program 1 times [2022-11-20 09:34:03,712 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:03,712 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639677312] [2022-11-20 09:34:03,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:03,713 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:03,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:03,718 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:03,723 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:03,724 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:03,724 INFO L85 PathProgramCache]: Analyzing trace with hash 64389, now seen corresponding path program 1 times [2022-11-20 09:34:03,724 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:03,724 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [733934531] [2022-11-20 09:34:03,724 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:03,725 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:03,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:03,743 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:03,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:03,756 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:03,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:03,757 INFO L85 PathProgramCache]: Analyzing trace with hash -192254790, now seen corresponding path program 1 times [2022-11-20 09:34:03,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:03,757 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1440114249] [2022-11-20 09:34:03,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:03,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:03,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:03,778 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:03,785 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:03,833 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:03,833 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:03,833 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:03,834 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:03,834 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:34:03,834 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:03,834 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:03,834 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:03,834 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration5_Loop [2022-11-20 09:34:03,834 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:03,834 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:03,837 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 09:34:03,843 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 09:34:03,849 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 09:34:03,855 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 09:34:03,906 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:03,906 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:34:03,907 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:03,907 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:03,908 INFO L229 MonitoredProcess]: Starting monitored process 54 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:03,920 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:03,921 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:03,931 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Waiting until timeout for monitored process [2022-11-20 09:34:03,944 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:03,945 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=5, ULTIMATE.start_f_#t~nondet4#1=5} Honda state: {ULTIMATE.start_f_~y~0#1=5, ULTIMATE.start_f_#t~nondet4#1=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:03,948 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (54)] Ended with exit code 0 [2022-11-20 09:34:03,948 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:03,948 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:03,949 INFO L229 MonitoredProcess]: Starting monitored process 55 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:03,951 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Waiting until timeout for monitored process [2022-11-20 09:34:03,952 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:03,952 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:03,973 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:03,973 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=4} Honda state: {ULTIMATE.start_f_#t~nondet3#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:03,976 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (55)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:03,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:03,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:03,978 INFO L229 MonitoredProcess]: Starting monitored process 56 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:03,980 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Waiting until timeout for monitored process [2022-11-20 09:34:03,981 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:03,981 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:04,027 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:04,027 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Honda state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:04,032 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (56)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:04,032 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:04,032 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:04,035 INFO L229 MonitoredProcess]: Starting monitored process 57 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:04,043 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:04,043 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:04,058 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Waiting until timeout for monitored process [2022-11-20 09:34:04,078 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (57)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:04,079 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:04,079 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:04,080 INFO L229 MonitoredProcess]: Starting monitored process 58 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:04,085 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:34:04,085 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:04,099 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Waiting until timeout for monitored process [2022-11-20 09:34:04,126 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:04,126 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0#1=-6}, {ULTIMATE.start_f_~z~0#1=2}, {ULTIMATE.start_f_~z~0#1=3}] Lambdas: [1, 1, 1] Nus: [0, 0] [2022-11-20 09:34:04,132 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (58)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:04,202 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (53)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:04,219 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:04,220 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:04,220 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:04,220 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:04,220 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:34:04,220 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:04,220 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:04,220 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:04,220 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration5_Lasso [2022-11-20 09:34:04,220 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:04,221 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:04,222 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 09:34:04,235 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 09:34:04,237 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 09:34:04,240 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 09:34:04,242 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 09:34:04,250 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:04,255 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 09:34:04,257 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 09:34:04,266 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 09:34:04,363 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:04,363 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:34:04,363 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:04,363 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:04,364 INFO L229 MonitoredProcess]: Starting monitored process 59 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:04,375 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:04,375 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:04,390 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Waiting until timeout for monitored process [2022-11-20 09:34:04,410 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (59)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:04,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:04,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:04,413 INFO L229 MonitoredProcess]: Starting monitored process 60 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:04,420 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:34:04,420 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:04,433 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Waiting until timeout for monitored process [2022-11-20 09:34:04,601 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 09:34:04,605 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (60)] Ended with exit code 0 [2022-11-20 09:34:04,605 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:04,605 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:04,605 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:04,605 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:04,605 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:34:04,605 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:04,605 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:04,605 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:04,606 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration5_Lasso [2022-11-20 09:34:04,606 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:04,606 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:04,607 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 09:34:04,628 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 09:34:04,631 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 09:34:04,634 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 09:34:04,637 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 09:34:04,640 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 09:34:04,653 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 09:34:04,656 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 09:34:04,664 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 09:34:04,759 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:04,760 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:34:04,760 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:04,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:04,763 INFO L229 MonitoredProcess]: Starting monitored process 61 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:04,767 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 09:34:04,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Waiting until timeout for monitored process [2022-11-20 09:34:04,781 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:04,781 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:04,781 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:04,782 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:04,786 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:04,786 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:04,803 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:34:04,826 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-20 09:34:04,826 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-20 09:34:04,826 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:04,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:04,828 INFO L229 MonitoredProcess]: Starting monitored process 62 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:04,830 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Waiting until timeout for monitored process [2022-11-20 09:34:04,831 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:34:04,843 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 2. [2022-11-20 09:34:04,843 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:34:04,843 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~x~0#1) = 1*ULTIMATE.start_f_~x~0#1 Supporting invariants [2*ULTIMATE.start_f_~x~0#1 - 1 >= 0, 1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2022-11-20 09:34:04,846 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (61)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:04,855 INFO L156 tatePredicateManager]: 1 out of 2 supporting invariants were superfluous and have been removed [2022-11-20 09:34:04,885 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:04,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:04,895 INFO L263 TraceCheckSpWp]: Trace formula consists of 16 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:34:04,896 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:04,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:04,942 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:04,943 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:04,993 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 09:34:04,994 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-20 09:34:04,994 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 23 states and 34 transitions. cyclomatic complexity: 17 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:05,051 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 23 states and 34 transitions. cyclomatic complexity: 17. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 47 transitions. Complement of second has 7 states. [2022-11-20 09:34:05,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:05,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:05,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2022-11-20 09:34:05,053 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-20 09:34:05,053 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:05,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 10 letters. Loop has 3 letters. [2022-11-20 09:34:05,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:05,054 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 7 letters. Loop has 6 letters. [2022-11-20 09:34:05,054 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:05,055 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 47 transitions. [2022-11-20 09:34:05,056 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-20 09:34:05,056 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 29 states and 42 transitions. [2022-11-20 09:34:05,056 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-20 09:34:05,057 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 09:34:05,057 INFO L73 IsDeterministic]: Start isDeterministic. Operand 29 states and 42 transitions. [2022-11-20 09:34:05,057 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:34:05,057 INFO L218 hiAutomatonCegarLoop]: Abstraction has 29 states and 42 transitions. [2022-11-20 09:34:05,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states and 42 transitions. [2022-11-20 09:34:05,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 28. [2022-11-20 09:34:05,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28 states, 28 states have (on average 1.4642857142857142) internal successors, (41), 27 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:05,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 41 transitions. [2022-11-20 09:34:05,060 INFO L240 hiAutomatonCegarLoop]: Abstraction has 28 states and 41 transitions. [2022-11-20 09:34:05,060 INFO L428 stractBuchiCegarLoop]: Abstraction has 28 states and 41 transitions. [2022-11-20 09:34:05,060 INFO L335 stractBuchiCegarLoop]: ======== Iteration 6 ============ [2022-11-20 09:34:05,061 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 28 states and 41 transitions. [2022-11-20 09:34:05,061 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 5 [2022-11-20 09:34:05,061 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:34:05,062 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:34:05,062 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:05,062 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-20 09:34:05,062 INFO L748 eck$LassoCheckResult]: Stem: 517#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 518#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 528#L41 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 519#L18-1 assume !(f_~k~0#1 > 1073741823); 520#L23-3 assume !(f_~z~0#1 < f_~k~0#1); 539#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 536#L29-3 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 537#L30-1 [2022-11-20 09:34:05,063 INFO L750 eck$LassoCheckResult]: Loop: 537#L30-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1; 532#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 533#L29-3 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 537#L30-1 [2022-11-20 09:34:05,063 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:05,063 INFO L85 PathProgramCache]: Analyzing trace with hash 1842219347, now seen corresponding path program 1 times [2022-11-20 09:34:05,063 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:05,064 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [715832042] [2022-11-20 09:34:05,064 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:05,064 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:05,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:05,069 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:05,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:05,073 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:05,074 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:05,074 INFO L85 PathProgramCache]: Analyzing trace with hash 103116, now seen corresponding path program 1 times [2022-11-20 09:34:05,074 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:05,075 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449117365] [2022-11-20 09:34:05,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:05,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:05,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:05,079 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:05,083 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:05,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:05,084 INFO L85 PathProgramCache]: Analyzing trace with hash 464531514, now seen corresponding path program 1 times [2022-11-20 09:34:05,084 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:05,084 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2115135517] [2022-11-20 09:34:05,084 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:05,084 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:05,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:05,091 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:05,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:05,097 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:05,135 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:05,135 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:05,135 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:05,135 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:05,135 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:34:05,135 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:05,136 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:05,136 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:05,136 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration6_Loop [2022-11-20 09:34:05,136 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:05,136 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:05,137 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 09:34:05,140 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 09:34:05,143 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 09:34:05,149 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 09:34:05,196 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:05,196 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:34:05,197 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:05,197 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:05,198 INFO L229 MonitoredProcess]: Starting monitored process 63 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:05,208 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:05,208 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:05,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Waiting until timeout for monitored process [2022-11-20 09:34:05,251 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (63)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:05,251 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:05,251 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:05,252 INFO L229 MonitoredProcess]: Starting monitored process 64 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:05,259 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:34:05,260 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:05,275 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Waiting until timeout for monitored process [2022-11-20 09:34:05,294 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:05,294 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_f_~z~0#1=-6}, {ULTIMATE.start_f_~z~0#1=2}, {ULTIMATE.start_f_~z~0#1=3}] Lambdas: [1, 1, 1] Nus: [0, 0] [2022-11-20 09:34:05,299 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (64)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:05,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:05,299 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:05,300 INFO L229 MonitoredProcess]: Starting monitored process 65 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:05,303 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Waiting until timeout for monitored process [2022-11-20 09:34:05,303 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:05,303 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:05,325 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:05,325 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=4} Honda state: {ULTIMATE.start_f_#t~nondet3#1=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:05,328 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (65)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:05,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:05,328 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:05,329 INFO L229 MonitoredProcess]: Starting monitored process 66 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:05,330 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Waiting until timeout for monitored process [2022-11-20 09:34:05,334 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:05,334 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:05,354 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:05,355 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Honda state: {ULTIMATE.start_f_~d#1=0, ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:05,358 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (66)] Ended with exit code 0 [2022-11-20 09:34:05,358 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:05,358 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:05,359 INFO L229 MonitoredProcess]: Starting monitored process 67 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:05,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Waiting until timeout for monitored process [2022-11-20 09:34:05,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:05,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:05,384 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:05,384 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~y~0#1=5, ULTIMATE.start_f_#t~nondet4#1=5} Honda state: {ULTIMATE.start_f_~y~0#1=5, ULTIMATE.start_f_#t~nondet4#1=5} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:05,390 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (67)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:05,456 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:05,456 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:05,457 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:05,457 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:05,457 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:34:05,457 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:05,457 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:05,457 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:05,457 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration6_Lasso [2022-11-20 09:34:05,458 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:05,458 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:05,459 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 09:34:05,462 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 09:34:05,465 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 09:34:05,478 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:05,481 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 09:34:05,491 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 09:34:05,498 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 09:34:05,500 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 09:34:05,504 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 09:34:05,601 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:05,601 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:34:05,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:05,601 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:05,603 INFO L229 MonitoredProcess]: Starting monitored process 68 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:05,611 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:05,611 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:05,627 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Waiting until timeout for monitored process [2022-11-20 09:34:05,634 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:05,634 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:05,637 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (68)] Ended with exit code 0 [2022-11-20 09:34:05,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:05,637 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:05,638 INFO L229 MonitoredProcess]: Starting monitored process 69 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:05,641 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:05,641 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:05,654 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Waiting until timeout for monitored process [2022-11-20 09:34:05,657 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:05,657 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:05,661 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (69)] Ended with exit code 0 [2022-11-20 09:34:05,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:05,661 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:05,662 INFO L229 MonitoredProcess]: Starting monitored process 70 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:05,663 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Waiting until timeout for monitored process [2022-11-20 09:34:05,665 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:05,665 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:05,683 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (70)] Ended with exit code 0 [2022-11-20 09:34:05,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:05,683 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:05,684 INFO L229 MonitoredProcess]: Starting monitored process 71 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:05,686 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Waiting until timeout for monitored process [2022-11-20 09:34:05,687 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:34:05,687 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:05,822 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 09:34:05,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (71)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:05,826 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:05,826 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:05,826 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:05,827 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:05,827 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:34:05,827 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:05,827 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:05,827 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:05,827 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration6_Lasso [2022-11-20 09:34:05,827 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:05,827 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:05,829 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 09:34:05,831 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 09:34:05,837 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 09:34:05,842 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 09:34:05,844 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 09:34:05,846 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 09:34:05,849 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 09:34:05,863 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 09:34:05,865 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 09:34:05,968 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:05,968 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:34:05,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:05,968 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:05,969 INFO L229 MonitoredProcess]: Starting monitored process 72 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:05,972 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Waiting until timeout for monitored process [2022-11-20 09:34:05,973 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:05,985 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:05,985 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:05,985 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:05,985 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:05,985 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:05,986 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:05,986 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:05,993 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:05,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (72)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:05,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:05,999 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,000 INFO L229 MonitoredProcess]: Starting monitored process 73 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,008 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 09:34:06,022 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Waiting until timeout for monitored process [2022-11-20 09:34:06,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,023 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:06,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:06,053 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (62)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:06,079 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,083 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (73)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:06,083 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,083 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,084 INFO L229 MonitoredProcess]: Starting monitored process 74 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,089 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 09:34:06,103 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Waiting until timeout for monitored process [2022-11-20 09:34:06,104 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,104 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:06,104 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,104 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,105 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:06,105 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:06,119 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,122 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (74)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:06,123 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,123 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,124 INFO L229 MonitoredProcess]: Starting monitored process 75 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,128 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 09:34:06,143 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Waiting until timeout for monitored process [2022-11-20 09:34:06,145 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,145 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:06,145 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,146 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,146 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,146 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:06,146 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:06,167 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,171 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (75)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:06,171 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,171 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,173 INFO L229 MonitoredProcess]: Starting monitored process 76 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,177 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 09:34:06,187 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Waiting until timeout for monitored process [2022-11-20 09:34:06,191 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,192 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:06,192 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,192 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,192 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,193 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:06,193 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:06,194 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,198 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (76)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:06,200 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,200 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,201 INFO L229 MonitoredProcess]: Starting monitored process 77 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,202 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Waiting until timeout for monitored process [2022-11-20 09:34:06,204 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 09:34:06,216 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,216 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:06,216 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,216 INFO L204 nArgumentSynthesizer]: 2 loop disjuncts [2022-11-20 09:34:06,217 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,219 INFO L401 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2022-11-20 09:34:06,219 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:06,251 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,255 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (77)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:06,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,256 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,257 INFO L229 MonitoredProcess]: Starting monitored process 78 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,263 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:06,278 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,278 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,278 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,279 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,281 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:06,282 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:06,279 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Waiting until timeout for monitored process [2022-11-20 09:34:06,294 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,298 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (78)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:06,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,300 INFO L229 MonitoredProcess]: Starting monitored process 79 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,307 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 09:34:06,322 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Waiting until timeout for monitored process [2022-11-20 09:34:06,323 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,323 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:06,323 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,323 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,323 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,324 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:06,324 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:06,339 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:06,342 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (79)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:06,343 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,343 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,344 INFO L229 MonitoredProcess]: Starting monitored process 80 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,348 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 09:34:06,363 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Waiting until timeout for monitored process [2022-11-20 09:34:06,364 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:06,364 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:06,364 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:06,364 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:06,368 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:06,368 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:06,395 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:34:06,403 INFO L443 ModelExtractionUtils]: Simplification made 5 calls to the SMT solver. [2022-11-20 09:34:06,403 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-11-20 09:34:06,404 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,404 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,405 INFO L229 MonitoredProcess]: Starting monitored process 81 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,409 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:34:06,423 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Waiting until timeout for monitored process [2022-11-20 09:34:06,436 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 09:34:06,436 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:34:06,437 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~d#1, ULTIMATE.start_f_~x~0#1) = -1*ULTIMATE.start_f_~d#1 + 1*ULTIMATE.start_f_~x~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2022-11-20 09:34:06,441 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (80)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:06,446 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-20 09:34:06,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:06,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:06,482 INFO L263 TraceCheckSpWp]: Trace formula consists of 17 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:34:06,482 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:06,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:06,535 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:06,536 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:06,580 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 09:34:06,580 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 3 loop predicates [2022-11-20 09:34:06,581 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 28 states and 41 transitions. cyclomatic complexity: 20 Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:06,650 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 28 states and 41 transitions. cyclomatic complexity: 20. Second operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 38 states and 54 transitions. Complement of second has 7 states. [2022-11-20 09:34:06,650 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 2 stem states 2 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:06,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5 states, 5 states have (on average 2.0) internal successors, (10), 5 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-20 09:34:06,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 25 transitions. [2022-11-20 09:34:06,651 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 7 letters. Loop has 3 letters. [2022-11-20 09:34:06,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:06,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 10 letters. Loop has 3 letters. [2022-11-20 09:34:06,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:06,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 25 transitions. Stem has 7 letters. Loop has 6 letters. [2022-11-20 09:34:06,653 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:06,653 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 38 states and 54 transitions. [2022-11-20 09:34:06,654 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:34:06,654 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 38 states to 34 states and 49 transitions. [2022-11-20 09:34:06,654 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 17 [2022-11-20 09:34:06,655 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 18 [2022-11-20 09:34:06,655 INFO L73 IsDeterministic]: Start isDeterministic. Operand 34 states and 49 transitions. [2022-11-20 09:34:06,655 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:34:06,655 INFO L218 hiAutomatonCegarLoop]: Abstraction has 34 states and 49 transitions. [2022-11-20 09:34:06,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states and 49 transitions. [2022-11-20 09:34:06,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 33. [2022-11-20 09:34:06,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 33 states, 33 states have (on average 1.4545454545454546) internal successors, (48), 32 states have internal predecessors, (48), 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 09:34:06,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 33 states and 48 transitions. [2022-11-20 09:34:06,659 INFO L240 hiAutomatonCegarLoop]: Abstraction has 33 states and 48 transitions. [2022-11-20 09:34:06,659 INFO L428 stractBuchiCegarLoop]: Abstraction has 33 states and 48 transitions. [2022-11-20 09:34:06,659 INFO L335 stractBuchiCegarLoop]: ======== Iteration 7 ============ [2022-11-20 09:34:06,659 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 33 states and 48 transitions. [2022-11-20 09:34:06,660 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:34:06,660 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:34:06,660 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:34:06,660 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:06,661 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:34:06,661 INFO L748 eck$LassoCheckResult]: Stem: 647#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 648#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 658#L41 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 669#L18 assume !(f_~k~0#1 > 1073741823); 659#L23-1 assume !(f_~z~0#1 < f_~k~0#1); 660#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 676#L29 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 651#L30 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1; 652#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 679#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 655#L29-2 [2022-11-20 09:34:06,661 INFO L750 eck$LassoCheckResult]: Loop: 655#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 654#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 655#L29-2 [2022-11-20 09:34:06,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:06,662 INFO L85 PathProgramCache]: Analyzing trace with hash -192254786, now seen corresponding path program 1 times [2022-11-20 09:34:06,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:06,662 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1796908440] [2022-11-20 09:34:06,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:06,662 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:06,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:06,669 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:06,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:06,675 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:06,676 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:06,676 INFO L85 PathProgramCache]: Analyzing trace with hash 1928, now seen corresponding path program 2 times [2022-11-20 09:34:06,676 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:06,677 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [795387942] [2022-11-20 09:34:06,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:06,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:06,680 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:06,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:06,684 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:06,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:06,684 INFO L85 PathProgramCache]: Analyzing trace with hash -73254651, now seen corresponding path program 2 times [2022-11-20 09:34:06,685 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:06,685 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1663792905] [2022-11-20 09:34:06,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:06,685 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:06,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:06,692 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:06,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:06,699 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:06,839 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:06,840 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:06,840 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:06,840 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:06,840 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:34:06,840 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,840 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:06,840 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:06,841 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration7_Lasso [2022-11-20 09:34:06,841 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:06,841 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:06,842 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 09:34:06,845 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 09:34:06,849 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 09:34:06,861 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 09:34:06,863 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 09:34:06,867 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 09:34:06,870 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 09:34:06,873 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 09:34:06,875 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 09:34:06,879 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 09:34:06,881 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 09:34:06,884 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 09:34:06,977 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:06,977 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:34:06,977 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:06,977 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:06,978 INFO L229 MonitoredProcess]: Starting monitored process 82 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:06,981 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Waiting until timeout for monitored process [2022-11-20 09:34:06,982 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:06,983 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:06,997 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:06,997 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:07,000 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (82)] Ended with exit code 0 [2022-11-20 09:34:07,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:07,001 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:07,001 INFO L229 MonitoredProcess]: Starting monitored process 83 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:07,003 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Waiting until timeout for monitored process [2022-11-20 09:34:07,009 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:07,010 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:07,039 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:07,039 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0#1=0} Honda state: {ULTIMATE.start_f_~k~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:07,044 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (83)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:07,044 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:07,044 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:07,047 INFO L229 MonitoredProcess]: Starting monitored process 84 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:07,057 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:07,057 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:07,067 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Waiting until timeout for monitored process [2022-11-20 09:34:07,094 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (84)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:07,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:07,095 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:07,096 INFO L229 MonitoredProcess]: Starting monitored process 85 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:07,101 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:34:07,101 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:07,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Waiting until timeout for monitored process [2022-11-20 09:34:07,171 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 09:34:07,174 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (85)] Ended with exit code 0 [2022-11-20 09:34:07,175 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:07,175 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:07,175 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:07,175 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:07,175 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:34:07,175 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:07,175 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:07,175 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:07,175 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration7_Lasso [2022-11-20 09:34:07,175 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:07,175 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:07,177 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 09:34:07,181 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 09:34:07,184 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 09:34:07,195 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 09:34:07,198 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 09:34:07,200 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 09:34:07,204 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 09:34:07,209 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 09:34:07,211 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 09:34:07,214 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 09:34:07,216 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 09:34:07,219 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 09:34:07,314 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:07,314 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:34:07,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:07,315 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:07,316 INFO L229 MonitoredProcess]: Starting monitored process 86 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:07,326 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 09:34:07,341 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Waiting until timeout for monitored process [2022-11-20 09:34:07,341 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:07,341 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:07,341 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:07,341 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:07,342 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:07,342 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:07,342 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:07,363 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:07,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (86)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:07,367 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:07,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:07,368 INFO L229 MonitoredProcess]: Starting monitored process 87 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:07,372 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 09:34:07,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:07,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:07,387 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:07,387 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:07,389 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:07,389 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:07,391 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Waiting until timeout for monitored process [2022-11-20 09:34:07,407 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:07,411 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (87)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:07,411 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:07,411 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:07,412 INFO L229 MonitoredProcess]: Starting monitored process 88 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:07,419 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 09:34:07,434 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Waiting until timeout for monitored process [2022-11-20 09:34:07,435 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:07,435 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:07,435 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:07,435 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:07,439 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:07,439 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:07,452 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:34:07,465 INFO L443 ModelExtractionUtils]: Simplification made 8 calls to the SMT solver. [2022-11-20 09:34:07,465 INFO L444 ModelExtractionUtils]: 4 out of 13 variables were initially zero. Simplification set additionally 5 variables to zero. [2022-11-20 09:34:07,465 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:07,465 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:07,468 INFO L229 MonitoredProcess]: Starting monitored process 89 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:07,473 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:34:07,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Waiting until timeout for monitored process [2022-11-20 09:34:07,512 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 09:34:07,512 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:34:07,512 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2022-11-20 09:34:07,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (88)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:07,520 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-20 09:34:07,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:07,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:07,575 INFO L263 TraceCheckSpWp]: Trace formula consists of 28 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:34:07,576 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:07,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:07,644 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:07,644 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:07,665 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 09:34:07,665 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:34:07,666 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 33 states and 48 transitions. cyclomatic complexity: 23 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 09:34:07,706 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 33 states and 48 transitions. cyclomatic complexity: 23. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 51 states and 70 transitions. Complement of second has 6 states. [2022-11-20 09:34:07,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:07,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 09:34:07,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-11-20 09:34:07,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 10 letters. Loop has 2 letters. [2022-11-20 09:34:07,709 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:07,709 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-20 09:34:07,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:07,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2022-11-20 09:34:07,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:07,710 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 51 states and 70 transitions. [2022-11-20 09:34:07,711 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:34:07,712 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 51 states to 43 states and 60 transitions. [2022-11-20 09:34:07,712 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 19 [2022-11-20 09:34:07,713 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 19 [2022-11-20 09:34:07,713 INFO L73 IsDeterministic]: Start isDeterministic. Operand 43 states and 60 transitions. [2022-11-20 09:34:07,713 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:34:07,713 INFO L218 hiAutomatonCegarLoop]: Abstraction has 43 states and 60 transitions. [2022-11-20 09:34:07,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states and 60 transitions. [2022-11-20 09:34:07,716 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 41. [2022-11-20 09:34:07,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 41 states, 41 states have (on average 1.4146341463414633) internal successors, (58), 40 states have internal predecessors, (58), 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 09:34:07,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 41 states and 58 transitions. [2022-11-20 09:34:07,717 INFO L240 hiAutomatonCegarLoop]: Abstraction has 41 states and 58 transitions. [2022-11-20 09:34:07,717 INFO L428 stractBuchiCegarLoop]: Abstraction has 41 states and 58 transitions. [2022-11-20 09:34:07,717 INFO L335 stractBuchiCegarLoop]: ======== Iteration 8 ============ [2022-11-20 09:34:07,717 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 41 states and 58 transitions. [2022-11-20 09:34:07,718 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:34:07,718 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:34:07,719 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:34:07,739 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:07,740 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:34:07,740 INFO L748 eck$LassoCheckResult]: Stem: 801#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 802#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 809#L41 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 803#L18-1 assume !(f_~k~0#1 > 1073741823); 804#L23-3 assume !(f_~z~0#1 < f_~k~0#1); 813#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 815#L29-3 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 818#L30-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1; 816#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 817#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 822#L29-5 [2022-11-20 09:34:07,740 INFO L750 eck$LassoCheckResult]: Loop: 822#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 821#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 822#L29-5 [2022-11-20 09:34:07,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:07,741 INFO L85 PathProgramCache]: Analyzing trace with hash 464531518, now seen corresponding path program 1 times [2022-11-20 09:34:07,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:07,741 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729355114] [2022-11-20 09:34:07,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:07,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:07,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:07,748 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:07,753 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:07,754 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:07,754 INFO L85 PathProgramCache]: Analyzing trace with hash 3176, now seen corresponding path program 2 times [2022-11-20 09:34:07,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:07,754 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [415906187] [2022-11-20 09:34:07,755 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:07,755 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:07,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:07,758 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:07,760 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:07,761 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:07,761 INFO L85 PathProgramCache]: Analyzing trace with hash -261807771, now seen corresponding path program 2 times [2022-11-20 09:34:07,761 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:07,762 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1773798759] [2022-11-20 09:34:07,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:07,762 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:07,768 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (89)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:07,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:07,775 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:07,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:07,784 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:07,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (81)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:07,919 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:07,919 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:07,920 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:07,920 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:07,920 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:34:07,920 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:07,920 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:07,920 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:07,920 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration8_Lasso [2022-11-20 09:34:07,920 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:07,921 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:07,922 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 09:34:07,924 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 09:34:07,927 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 09:34:07,930 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 09:34:07,933 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 09:34:07,936 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 09:34:07,940 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 09:34:07,944 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 09:34:07,948 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 09:34:07,951 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 09:34:07,954 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 09:34:07,958 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 09:34:08,059 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:08,059 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:34:08,059 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,059 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,063 INFO L229 MonitoredProcess]: Starting monitored process 90 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,067 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:08,068 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:08,079 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Waiting until timeout for monitored process [2022-11-20 09:34:08,083 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:08,083 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet0#1=0} Honda state: {ULTIMATE.start_f_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:08,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (90)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,087 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,088 INFO L229 MonitoredProcess]: Starting monitored process 91 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Waiting until timeout for monitored process [2022-11-20 09:34:08,091 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:08,091 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:08,105 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:08,105 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:08,108 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (91)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,108 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,109 INFO L229 MonitoredProcess]: Starting monitored process 92 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,110 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Waiting until timeout for monitored process [2022-11-20 09:34:08,112 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:08,112 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:08,137 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:08,137 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~k~0#1=0} Honda state: {ULTIMATE.start_f_~k~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:08,141 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (92)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,141 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,143 INFO L229 MonitoredProcess]: Starting monitored process 93 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Waiting until timeout for monitored process [2022-11-20 09:34:08,146 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:08,146 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:08,160 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:08,160 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet4#1=0} Honda state: {ULTIMATE.start_f_#t~nondet4#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:08,163 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (93)] Ended with exit code 0 [2022-11-20 09:34:08,163 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,164 INFO L229 MonitoredProcess]: Starting monitored process 94 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,167 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Waiting until timeout for monitored process [2022-11-20 09:34:08,167 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:08,167 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:08,181 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:08,181 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:08,185 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (94)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,185 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,186 INFO L229 MonitoredProcess]: Starting monitored process 95 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,188 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Waiting until timeout for monitored process [2022-11-20 09:34:08,189 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:08,189 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:08,202 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:08,203 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:08,205 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (95)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,206 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,206 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,207 INFO L229 MonitoredProcess]: Starting monitored process 96 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,209 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Waiting until timeout for monitored process [2022-11-20 09:34:08,209 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:08,209 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:08,229 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:08,229 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~x~0#1=0} Honda state: {ULTIMATE.start_f_~x~0#1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:08,232 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (96)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,235 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,236 INFO L229 MonitoredProcess]: Starting monitored process 97 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,237 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Waiting until timeout for monitored process [2022-11-20 09:34:08,239 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:08,239 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:08,253 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:08,253 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_~z~0#1=0} Honda state: {ULTIMATE.start_f_~z~0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:08,256 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (97)] Ended with exit code 0 [2022-11-20 09:34:08,256 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,257 INFO L229 MonitoredProcess]: Starting monitored process 98 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,258 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Waiting until timeout for monitored process [2022-11-20 09:34:08,260 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:08,260 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:08,274 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:08,274 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet5#1=0} Honda state: {ULTIMATE.start_main_#t~nondet5#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:08,277 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (98)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,277 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,277 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,278 INFO L229 MonitoredProcess]: Starting monitored process 99 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,280 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Waiting until timeout for monitored process [2022-11-20 09:34:08,281 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:08,281 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:08,294 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:08,295 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1#1=0} Honda state: {ULTIMATE.start_f_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:08,297 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (99)] Ended with exit code 0 [2022-11-20 09:34:08,298 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,298 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,299 INFO L229 MonitoredProcess]: Starting monitored process 100 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,300 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Waiting until timeout for monitored process [2022-11-20 09:34:08,301 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:08,315 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:08,315 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {} Honda state: {} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:08,318 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (100)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,323 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,323 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,324 INFO L229 MonitoredProcess]: Starting monitored process 101 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,329 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Waiting until timeout for monitored process [2022-11-20 09:34:08,329 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:08,329 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:08,346 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (101)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,346 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,347 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,347 INFO L229 MonitoredProcess]: Starting monitored process 102 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Waiting until timeout for monitored process [2022-11-20 09:34:08,350 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:34:08,350 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:08,439 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 09:34:08,444 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (102)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,444 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:08,444 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:08,444 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:08,444 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:08,444 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:34:08,444 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,444 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:08,444 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:08,444 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration8_Lasso [2022-11-20 09:34:08,445 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:08,445 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:08,446 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 09:34:08,448 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 09:34:08,451 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 09:34:08,453 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 09:34:08,456 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 09:34:08,458 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 09:34:08,462 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 09:34:08,465 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 09:34:08,467 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 09:34:08,470 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 09:34:08,473 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 09:34:08,484 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 09:34:08,566 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:08,566 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:34:08,567 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,567 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,568 INFO L229 MonitoredProcess]: Starting monitored process 103 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,575 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 09:34:08,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Waiting until timeout for monitored process [2022-11-20 09:34:08,589 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:08,590 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:08,590 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:08,590 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:08,590 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:08,591 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:08,591 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:08,600 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:08,603 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (103)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,604 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,605 INFO L229 MonitoredProcess]: Starting monitored process 104 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,611 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 09:34:08,625 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Waiting until timeout for monitored process [2022-11-20 09:34:08,626 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:08,626 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:08,626 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:08,626 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:08,628 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:08,628 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:08,647 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:08,651 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (104)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,652 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,653 INFO L229 MonitoredProcess]: Starting monitored process 105 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,657 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 09:34:08,671 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Waiting until timeout for monitored process [2022-11-20 09:34:08,672 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:08,672 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:08,672 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:08,672 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:08,672 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:08,673 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:08,673 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:08,674 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:08,677 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (105)] Ended with exit code 0 [2022-11-20 09:34:08,677 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,678 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,679 INFO L229 MonitoredProcess]: Starting monitored process 106 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,679 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Waiting until timeout for monitored process [2022-11-20 09:34:08,681 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 09:34:08,693 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:08,694 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:08,694 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:08,694 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:08,694 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:08,694 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:08,694 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:08,696 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:08,699 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (106)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,699 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,700 INFO L229 MonitoredProcess]: Starting monitored process 107 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,703 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Waiting until timeout for monitored process [2022-11-20 09:34:08,703 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 09:34:08,715 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:08,715 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:08,715 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:08,715 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:08,715 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:08,716 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:08,716 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:08,717 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:08,720 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (107)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,721 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,722 INFO L229 MonitoredProcess]: Starting monitored process 108 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,724 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Waiting until timeout for monitored process [2022-11-20 09:34:08,724 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 09:34:08,736 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:08,736 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:08,736 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:08,736 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:08,737 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:08,737 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:08,742 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:08,745 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (108)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,746 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,746 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,746 INFO L229 MonitoredProcess]: Starting monitored process 109 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,749 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Waiting until timeout for monitored process [2022-11-20 09:34:08,749 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 09:34:08,761 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:08,761 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:08,761 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:08,761 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:08,763 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:08,763 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:08,767 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:08,769 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (109)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,770 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,771 INFO L229 MonitoredProcess]: Starting monitored process 110 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,772 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Waiting until timeout for monitored process [2022-11-20 09:34:08,774 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 09:34:08,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:08,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:08,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:08,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:08,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:08,786 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:08,787 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:08,788 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:08,791 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (110)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,794 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,795 INFO L229 MonitoredProcess]: Starting monitored process 111 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,797 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Waiting until timeout for monitored process [2022-11-20 09:34:08,798 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 09:34:08,812 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:08,813 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:08,813 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:08,813 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:08,813 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:08,813 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:08,813 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:08,826 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:08,829 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (111)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,829 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,830 INFO L229 MonitoredProcess]: Starting monitored process 112 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,831 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Waiting until timeout for monitored process [2022-11-20 09:34:08,833 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 09:34:08,844 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:08,844 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:08,844 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:08,844 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:08,845 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:08,845 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:08,849 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:08,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (112)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,852 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,852 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,853 INFO L229 MonitoredProcess]: Starting monitored process 113 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,854 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Waiting until timeout for monitored process [2022-11-20 09:34:08,855 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 09:34:08,867 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:08,867 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:08,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:08,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:08,871 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:08,871 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:08,878 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:34:08,890 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 09:34:08,890 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-11-20 09:34:08,890 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:08,890 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:08,891 INFO L229 MonitoredProcess]: Starting monitored process 114 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:08,893 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Waiting until timeout for monitored process [2022-11-20 09:34:08,894 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:34:08,906 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 09:34:08,907 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:34:08,907 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2022-11-20 09:34:08,910 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (113)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:08,912 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-20 09:34:08,939 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:08,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:08,948 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:34:08,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:08,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:09,000 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:09,000 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:09,023 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 09:34:09,023 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:34:09,024 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 41 states and 58 transitions. cyclomatic complexity: 27 Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 09:34:09,067 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 41 states and 58 transitions. cyclomatic complexity: 27. Second operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 59 states and 80 transitions. Complement of second has 6 states. [2022-11-20 09:34:09,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:09,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.75) internal successors, (11), 4 states have internal predecessors, (11), 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 09:34:09,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-11-20 09:34:09,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 10 letters. Loop has 2 letters. [2022-11-20 09:34:09,072 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:09,072 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-20 09:34:09,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:09,073 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 10 letters. Loop has 4 letters. [2022-11-20 09:34:09,073 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:09,073 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 59 states and 80 transitions. [2022-11-20 09:34:09,075 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:34:09,075 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 59 states to 51 states and 70 transitions. [2022-11-20 09:34:09,076 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 21 [2022-11-20 09:34:09,076 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 21 [2022-11-20 09:34:09,076 INFO L73 IsDeterministic]: Start isDeterministic. Operand 51 states and 70 transitions. [2022-11-20 09:34:09,076 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:34:09,076 INFO L218 hiAutomatonCegarLoop]: Abstraction has 51 states and 70 transitions. [2022-11-20 09:34:09,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states and 70 transitions. [2022-11-20 09:34:09,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 49. [2022-11-20 09:34:09,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 49 states, 49 states have (on average 1.3877551020408163) internal successors, (68), 48 states have internal predecessors, (68), 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 09:34:09,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 68 transitions. [2022-11-20 09:34:09,088 INFO L240 hiAutomatonCegarLoop]: Abstraction has 49 states and 68 transitions. [2022-11-20 09:34:09,089 INFO L428 stractBuchiCegarLoop]: Abstraction has 49 states and 68 transitions. [2022-11-20 09:34:09,089 INFO L335 stractBuchiCegarLoop]: ======== Iteration 9 ============ [2022-11-20 09:34:09,089 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 49 states and 68 transitions. [2022-11-20 09:34:09,090 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 4 [2022-11-20 09:34:09,090 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:34:09,090 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:34:09,090 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:09,090 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:34:09,091 INFO L748 eck$LassoCheckResult]: Stem: 965#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 966#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 975#L41 assume 0 != main_#t~nondet5#1;havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 1;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 987#L18 assume !(f_~k~0#1 > 1073741823); 976#L23-1 assume !(f_~z~0#1 < f_~k~0#1); 977#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 991#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 1013#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1011#L29 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 1010#L30 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1; 1009#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1006#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 1007#L29-2 [2022-11-20 09:34:09,091 INFO L750 eck$LassoCheckResult]: Loop: 1007#L29-2 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1008#L29 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 1007#L29-2 [2022-11-20 09:34:09,091 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:09,092 INFO L85 PathProgramCache]: Analyzing trace with hash 36731799, now seen corresponding path program 3 times [2022-11-20 09:34:09,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:09,092 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798141764] [2022-11-20 09:34:09,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:09,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:09,099 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:09,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:09,105 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:09,106 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:09,106 INFO L85 PathProgramCache]: Analyzing trace with hash 1928, now seen corresponding path program 3 times [2022-11-20 09:34:09,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:09,106 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1648165011] [2022-11-20 09:34:09,106 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:09,107 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:09,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:09,110 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:09,112 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:09,113 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:09,113 INFO L85 PathProgramCache]: Analyzing trace with hash 939521438, now seen corresponding path program 4 times [2022-11-20 09:34:09,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:09,113 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1854514591] [2022-11-20 09:34:09,114 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:09,114 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:09,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:09,121 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:09,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:09,127 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:09,157 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (114)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:09,289 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:09,289 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:09,289 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:09,289 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:09,289 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:34:09,289 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:09,290 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:09,290 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:09,290 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration9_Lasso [2022-11-20 09:34:09,290 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:09,290 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:09,291 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 09:34:09,295 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 09:34:09,304 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 09:34:09,307 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 09:34:09,311 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 09:34:09,313 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 09:34:09,325 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 09:34:09,327 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 09:34:09,331 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 09:34:09,333 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 09:34:09,336 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 09:34:09,339 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 09:34:09,341 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 09:34:09,445 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:09,445 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:34:09,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:09,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:09,448 INFO L229 MonitoredProcess]: Starting monitored process 115 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:09,450 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Waiting until timeout for monitored process [2022-11-20 09:34:09,451 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:09,451 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:09,464 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:09,465 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:09,467 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (115)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:09,468 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:09,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:09,469 INFO L229 MonitoredProcess]: Starting monitored process 116 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:09,478 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Waiting until timeout for monitored process [2022-11-20 09:34:09,478 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:09,491 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:09,492 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {} Honda state: {} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:09,494 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (116)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:09,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:09,495 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:09,496 INFO L229 MonitoredProcess]: Starting monitored process 117 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:09,498 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Waiting until timeout for monitored process [2022-11-20 09:34:09,498 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:09,512 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:09,512 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {} Honda state: {} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:09,515 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (117)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:09,515 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:09,515 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:09,516 INFO L229 MonitoredProcess]: Starting monitored process 118 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:09,517 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Waiting until timeout for monitored process [2022-11-20 09:34:09,519 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:09,519 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:09,532 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:09,532 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet3#1=0} Honda state: {ULTIMATE.start_f_#t~nondet3#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:09,536 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (118)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:09,536 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:09,536 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:09,537 INFO L229 MonitoredProcess]: Starting monitored process 119 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:09,539 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Waiting until timeout for monitored process [2022-11-20 09:34:09,539 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:09,540 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:09,553 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:09,553 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet1#1=0} Honda state: {ULTIMATE.start_f_#t~nondet1#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:09,562 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (119)] Ended with exit code 0 [2022-11-20 09:34:09,563 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:09,563 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:09,564 INFO L229 MonitoredProcess]: Starting monitored process 120 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:09,565 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Waiting until timeout for monitored process [2022-11-20 09:34:09,566 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:09,567 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:09,583 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (120)] Ended with exit code 0 [2022-11-20 09:34:09,583 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:09,584 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:09,584 INFO L229 MonitoredProcess]: Starting monitored process 121 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:09,585 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Waiting until timeout for monitored process [2022-11-20 09:34:09,587 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:34:09,587 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:09,643 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 09:34:09,646 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (121)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:09,646 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:09,647 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:09,647 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:09,647 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:09,647 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:34:09,647 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:09,647 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:09,647 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:09,647 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration9_Lasso [2022-11-20 09:34:09,647 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:09,647 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:09,649 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 09:34:09,660 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 09:34:09,663 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 09:34:09,668 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 09:34:09,671 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 09:34:09,681 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 09:34:09,684 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 09:34:09,687 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-20 09:34:09,697 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 09:34:09,700 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 09:34:09,703 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 09:34:09,706 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 09:34:09,708 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 09:34:09,806 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:09,806 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:34:09,806 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:09,806 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:09,809 INFO L229 MonitoredProcess]: Starting monitored process 122 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:09,820 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 09:34:09,833 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Waiting until timeout for monitored process [2022-11-20 09:34:09,834 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:09,834 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:09,834 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:09,834 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:09,834 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:09,835 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:09,835 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:09,850 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:09,852 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (122)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:09,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:09,853 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:09,854 INFO L229 MonitoredProcess]: Starting monitored process 123 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:09,856 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Waiting until timeout for monitored process [2022-11-20 09:34:09,856 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 09:34:09,868 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:09,868 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:09,868 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:09,868 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:09,868 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:09,869 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:09,869 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:09,870 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:09,873 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (123)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:09,873 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:09,874 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:09,874 INFO L229 MonitoredProcess]: Starting monitored process 124 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:09,877 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Waiting until timeout for monitored process [2022-11-20 09:34:09,877 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-20 09:34:09,888 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:09,888 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:09,888 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:09,888 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:09,889 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:09,889 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:09,889 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:09,890 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:09,893 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (124)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:09,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:09,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:09,894 INFO L229 MonitoredProcess]: Starting monitored process 125 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:09,898 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Waiting until timeout for monitored process [2022-11-20 09:34:09,898 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 09:34:09,910 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:09,910 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:09,910 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:09,910 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:09,911 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:09,911 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:09,915 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:09,918 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (125)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:09,919 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:09,919 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:09,919 INFO L229 MonitoredProcess]: Starting monitored process 126 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:09,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Waiting until timeout for monitored process [2022-11-20 09:34:09,925 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 09:34:09,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:09,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:09,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:09,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:09,940 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:09,940 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:09,959 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:34:09,974 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-11-20 09:34:09,974 INFO L444 ModelExtractionUtils]: 6 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. [2022-11-20 09:34:09,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:09,975 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:09,979 INFO L229 MonitoredProcess]: Starting monitored process 127 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:09,984 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:34:09,995 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Waiting until timeout for monitored process [2022-11-20 09:34:09,998 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 09:34:09,998 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:34:09,998 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 1 >= 0] [2022-11-20 09:34:10,001 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (126)] Ended with exit code 0 [2022-11-20 09:34:10,003 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-20 09:34:10,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:10,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:10,040 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:34:10,041 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:10,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:10,103 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:10,104 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:10,124 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 09:34:10,125 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:34:10,125 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 68 transitions. cyclomatic complexity: 31 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 09:34:10,175 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 68 transitions. cyclomatic complexity: 31. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 57 states and 76 transitions. Complement of second has 6 states. [2022-11-20 09:34:10,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:10,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 09:34:10,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-11-20 09:34:10,178 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-20 09:34:10,179 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:10,179 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:34:10,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:10,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:10,221 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:34:10,222 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:10,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:10,275 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:10,276 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:10,294 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 09:34:10,295 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:34:10,295 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 68 transitions. cyclomatic complexity: 31 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 09:34:10,344 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 68 transitions. cyclomatic complexity: 31. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 57 states and 76 transitions. Complement of second has 6 states. [2022-11-20 09:34:10,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:10,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 09:34:10,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 21 transitions. [2022-11-20 09:34:10,346 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 21 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-20 09:34:10,346 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:10,346 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:34:10,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:10,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:10,377 INFO L263 TraceCheckSpWp]: Trace formula consists of 34 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:34:10,378 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:10,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:10,435 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:10,435 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:10,453 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 09:34:10,454 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:34:10,454 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 49 states and 68 transitions. cyclomatic complexity: 31 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 09:34:10,496 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 49 states and 68 transitions. cyclomatic complexity: 31. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 60 states and 81 transitions. Complement of second has 5 states. [2022-11-20 09:34:10,497 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:10,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 09:34:10,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2022-11-20 09:34:10,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-20 09:34:10,498 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:10,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-20 09:34:10,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:10,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 12 letters. Loop has 4 letters. [2022-11-20 09:34:10,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:10,500 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 60 states and 81 transitions. [2022-11-20 09:34:10,501 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:34:10,501 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 60 states to 26 states and 35 transitions. [2022-11-20 09:34:10,501 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 12 [2022-11-20 09:34:10,502 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 12 [2022-11-20 09:34:10,502 INFO L73 IsDeterministic]: Start isDeterministic. Operand 26 states and 35 transitions. [2022-11-20 09:34:10,502 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-20 09:34:10,502 INFO L218 hiAutomatonCegarLoop]: Abstraction has 26 states and 35 transitions. [2022-11-20 09:34:10,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26 states and 35 transitions. [2022-11-20 09:34:10,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26 to 26. [2022-11-20 09:34:10,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 26 states have (on average 1.3461538461538463) internal successors, (35), 25 states have internal predecessors, (35), 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 09:34:10,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 35 transitions. [2022-11-20 09:34:10,505 INFO L240 hiAutomatonCegarLoop]: Abstraction has 26 states and 35 transitions. [2022-11-20 09:34:10,505 INFO L428 stractBuchiCegarLoop]: Abstraction has 26 states and 35 transitions. [2022-11-20 09:34:10,505 INFO L335 stractBuchiCegarLoop]: ======== Iteration 10 ============ [2022-11-20 09:34:10,505 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 26 states and 35 transitions. [2022-11-20 09:34:10,506 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2022-11-20 09:34:10,506 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-20 09:34:10,506 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-20 09:34:10,507 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [3, 2, 1, 1, 1, 1, 1, 1, 1] [2022-11-20 09:34:10,507 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1] [2022-11-20 09:34:10,507 INFO L748 eck$LassoCheckResult]: Stem: 1370#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 1371#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet5#1; 1365#L41 assume !(0 != main_#t~nondet5#1);havoc main_#t~nondet5#1;assume { :begin_inline_f } true;f_#in~d#1 := 2;havoc f_#t~nondet0#1, f_#t~nondet1#1, f_#t~nondet2#1, f_#t~nondet3#1, f_#t~nondet4#1, f_~d#1, f_~x~0#1, f_~y~0#1, f_~k~0#1, f_~z~0#1;f_~d#1 := f_#in~d#1;f_~x~0#1 := f_#t~nondet0#1;havoc f_#t~nondet0#1;f_~y~0#1 := f_#t~nondet1#1;havoc f_#t~nondet1#1;f_~k~0#1 := f_#t~nondet2#1;havoc f_#t~nondet2#1;f_~z~0#1 := 1; 1366#L18-1 assume !(f_~k~0#1 > 1073741823); 1372#L23-3 assume !(f_~z~0#1 < f_~k~0#1); 1373#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1375#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 1387#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1385#L29-3 assume 0 != f_#t~nondet3#1;havoc f_#t~nondet3#1; 1384#L30-1 f_~x~0#1 := f_~x~0#1 - f_~d#1;f_~y~0#1 := f_#t~nondet4#1;havoc f_#t~nondet4#1;f_~z~0#1 := f_~z~0#1 - 1; 1383#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1380#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 1381#L29-5 [2022-11-20 09:34:10,507 INFO L750 eck$LassoCheckResult]: Loop: 1381#L29-5 assume !!(f_~x~0#1 > 0 && f_~y~0#1 > 0); 1382#L29-3 assume !(0 != f_#t~nondet3#1);havoc f_#t~nondet3#1;f_~y~0#1 := f_~y~0#1 - f_~d#1; 1381#L29-5 [2022-11-20 09:34:10,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:10,508 INFO L85 PathProgramCache]: Analyzing trace with hash -151821321, now seen corresponding path program 3 times [2022-11-20 09:34:10,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:10,508 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274440180] [2022-11-20 09:34:10,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:10,509 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:10,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:10,535 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (127)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:10,540 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:10,568 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:10,569 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:10,569 INFO L85 PathProgramCache]: Analyzing trace with hash 3176, now seen corresponding path program 3 times [2022-11-20 09:34:10,569 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:10,569 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1629903009] [2022-11-20 09:34:10,570 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:10,570 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:10,573 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:10,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:10,575 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:10,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:10,581 INFO L85 PathProgramCache]: Analyzing trace with hash 128600798, now seen corresponding path program 4 times [2022-11-20 09:34:10,581 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-20 09:34:10,581 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [757745841] [2022-11-20 09:34:10,581 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-20 09:34:10,581 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-20 09:34:10,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:10,602 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-20 09:34:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-20 09:34:10,608 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-20 09:34:10,775 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:10,775 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:10,776 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:10,776 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:10,776 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-20 09:34:10,776 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:10,776 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:10,776 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:10,776 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration10_Lasso [2022-11-20 09:34:10,776 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:10,776 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:10,777 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 09:34:10,782 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 09:34:10,793 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 09:34:10,795 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 09:34:10,797 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 09:34:10,800 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 09:34:10,809 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 09:34:10,812 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 09:34:10,816 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 09:34:10,819 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 09:34:10,822 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 09:34:10,829 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 09:34:10,942 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:10,942 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-20 09:34:10,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:10,942 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:10,954 INFO L229 MonitoredProcess]: Starting monitored process 128 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:10,962 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:10,962 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:10,971 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Waiting until timeout for monitored process [2022-11-20 09:34:10,977 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-20 09:34:10,977 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_f_#t~nondet2#1=0} Honda state: {ULTIMATE.start_f_#t~nondet2#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-20 09:34:10,980 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (128)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:10,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:10,981 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:10,982 INFO L229 MonitoredProcess]: Starting monitored process 129 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:10,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Waiting until timeout for monitored process [2022-11-20 09:34:10,987 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-20 09:34:10,987 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:11,004 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (129)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:11,007 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:11,007 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:11,008 INFO L229 MonitoredProcess]: Starting monitored process 130 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:11,010 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Waiting until timeout for monitored process [2022-11-20 09:34:11,011 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-20 09:34:11,011 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-20 09:34:11,070 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-20 09:34:11,073 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (130)] Ended with exit code 0 [2022-11-20 09:34:11,073 INFO L210 LassoAnalysis]: Preferences: [2022-11-20 09:34:11,073 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-20 09:34:11,074 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-20 09:34:11,074 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-20 09:34:11,074 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-20 09:34:11,074 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:11,074 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-20 09:34:11,074 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-20 09:34:11,074 INFO L133 ssoRankerPreferences]: Filename of dumped script: HarrisLalNoriRajamani-SAS2010-Fig1.c_Iteration10_Lasso [2022-11-20 09:34:11,074 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-20 09:34:11,074 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-20 09:34:11,075 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 09:34:11,079 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 09:34:11,090 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 09:34:11,104 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 09:34:11,107 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 09:34:11,110 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 09:34:11,113 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 09:34:11,115 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 09:34:11,117 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 09:34:11,121 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 09:34:11,124 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 09:34:11,131 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 09:34:11,228 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-20 09:34:11,228 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-20 09:34:11,228 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:11,229 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:11,229 INFO L229 MonitoredProcess]: Starting monitored process 131 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:11,232 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Waiting until timeout for monitored process [2022-11-20 09:34:11,232 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 09:34:11,244 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:11,244 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-20 09:34:11,244 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:11,244 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:11,244 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:11,245 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-20 09:34:11,245 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-20 09:34:11,246 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-11-20 09:34:11,249 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (131)] Forceful destruction successful, exit code 0 [2022-11-20 09:34:11,249 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:11,250 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:11,250 INFO L229 MonitoredProcess]: Starting monitored process 132 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:11,252 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Waiting until timeout for monitored process [2022-11-20 09:34:11,253 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 09:34:11,265 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-20 09:34:11,265 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-20 09:34:11,265 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-20 09:34:11,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-20 09:34:11,268 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-11-20 09:34:11,268 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-11-20 09:34:11,276 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-20 09:34:11,294 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2022-11-20 09:34:11,294 INFO L444 ModelExtractionUtils]: 3 out of 13 variables were initially zero. Simplification set additionally 6 variables to zero. [2022-11-20 09:34:11,295 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-20 09:34:11,295 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 [2022-11-20 09:34:11,296 INFO L229 MonitoredProcess]: Starting monitored process 133 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-20 09:34:11,298 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Waiting until timeout for monitored process [2022-11-20 09:34:11,299 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-20 09:34:11,312 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2022-11-20 09:34:11,312 INFO L513 LassoAnalysis]: Proved termination. [2022-11-20 09:34:11,312 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_f_~y~0#1) = 1*ULTIMATE.start_f_~y~0#1 Supporting invariants [1*ULTIMATE.start_f_~d#1 - 2 >= 0] [2022-11-20 09:34:11,319 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (132)] Ended with exit code 0 [2022-11-20 09:34:11,322 INFO L156 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2022-11-20 09:34:11,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:11,367 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:34:11,367 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:11,422 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:11,423 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:11,440 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 09:34:11,441 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:34:11,441 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 09:34:11,475 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 43 transitions. Complement of second has 6 states. [2022-11-20 09:34:11,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:11,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 09:34:11,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-11-20 09:34:11,477 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-20 09:34:11,477 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:11,477 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:34:11,501 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:11,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:11,512 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:34:11,512 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:11,563 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:11,564 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:11,581 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 09:34:11,582 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:34:11,582 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 09:34:11,614 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 34 states and 43 transitions. Complement of second has 6 states. [2022-11-20 09:34:11,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:11,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 09:34:11,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 13 transitions. [2022-11-20 09:34:11,616 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 13 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-20 09:34:11,616 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:11,616 INFO L681 stractBuchiCegarLoop]: Bad chosen interpolant automaton: word not accepted [2022-11-20 09:34:11,637 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-20 09:34:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:11,647 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-20 09:34:11,647 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:11,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-20 09:34:11,706 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2022-11-20 09:34:11,707 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-20 09:34:11,724 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 09:34:11,725 INFO L141 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.2 stem predicates 2 loop predicates [2022-11-20 09:34:11,725 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 15 Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 09:34:11,759 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 26 states and 35 transitions. cyclomatic complexity: 15. Second operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 37 states and 48 transitions. Complement of second has 5 states. [2022-11-20 09:34:11,760 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 2 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-20 09:34:11,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 3.0) internal successors, (12), 4 states have internal predecessors, (12), 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 09:34:11,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 14 transitions. [2022-11-20 09:34:11,760 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 2 letters. [2022-11-20 09:34:11,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:11,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 14 letters. Loop has 2 letters. [2022-11-20 09:34:11,761 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:11,761 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 14 transitions. Stem has 12 letters. Loop has 4 letters. [2022-11-20 09:34:11,762 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-20 09:34:11,762 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 37 states and 48 transitions. [2022-11-20 09:34:11,763 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 09:34:11,763 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 37 states to 0 states and 0 transitions. [2022-11-20 09:34:11,763 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-11-20 09:34:11,763 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-11-20 09:34:11,763 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-11-20 09:34:11,763 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-20 09:34:11,763 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:34:11,764 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:34:11,764 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-11-20 09:34:11,764 INFO L335 stractBuchiCegarLoop]: ======== Iteration 11 ============ [2022-11-20 09:34:11,764 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-11-20 09:34:11,764 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-11-20 09:34:11,764 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-11-20 09:34:11,772 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.11 09:34:11 BoogieIcfgContainer [2022-11-20 09:34:11,772 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-20 09:34:11,773 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-20 09:34:11,773 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-20 09:34:11,773 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-20 09:34:11,774 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 09:33:34" (3/4) ... [2022-11-20 09:34:11,776 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-20 09:34:11,776 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-20 09:34:11,777 INFO L158 Benchmark]: Toolchain (without parser) took 38458.05ms. Allocated memory is still 138.4MB. Free memory was 109.2MB in the beginning and 37.3MB in the end (delta: 71.9MB). Peak memory consumption was 74.0MB. Max. memory is 16.1GB. [2022-11-20 09:34:11,777 INFO L158 Benchmark]: CDTParser took 0.22ms. Allocated memory is still 115.3MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:34:11,778 INFO L158 Benchmark]: CACSL2BoogieTranslator took 231.04ms. Allocated memory is still 138.4MB. Free memory was 108.7MB in the beginning and 99.2MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-20 09:34:11,778 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.63ms. Allocated memory is still 138.4MB. Free memory was 99.2MB in the beginning and 98.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-20 09:34:11,778 INFO L158 Benchmark]: Boogie Preprocessor took 41.37ms. Allocated memory is still 138.4MB. Free memory was 98.1MB in the beginning and 97.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:34:11,779 INFO L158 Benchmark]: RCFGBuilder took 389.97ms. Allocated memory is still 138.4MB. Free memory was 96.6MB in the beginning and 86.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2022-11-20 09:34:11,779 INFO L158 Benchmark]: BuchiAutomizer took 37750.30ms. Allocated memory is still 138.4MB. Free memory was 86.6MB in the beginning and 37.3MB in the end (delta: 49.4MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. [2022-11-20 09:34:11,779 INFO L158 Benchmark]: Witness Printer took 3.58ms. Allocated memory is still 138.4MB. Free memory is still 37.3MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-20 09:34:11,781 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22ms. Allocated memory is still 115.3MB. Free memory is still 89.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 231.04ms. Allocated memory is still 138.4MB. Free memory was 108.7MB in the beginning and 99.2MB in the end (delta: 9.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.63ms. Allocated memory is still 138.4MB. Free memory was 99.2MB in the beginning and 98.1MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.37ms. Allocated memory is still 138.4MB. Free memory was 98.1MB in the beginning and 97.0MB in the end (delta: 1.0MB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 389.97ms. Allocated memory is still 138.4MB. Free memory was 96.6MB in the beginning and 86.6MB in the end (delta: 10.0MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * BuchiAutomizer took 37750.30ms. Allocated memory is still 138.4MB. Free memory was 86.6MB in the beginning and 37.3MB in the end (delta: 49.4MB). Peak memory consumption was 51.0MB. Max. memory is 16.1GB. * Witness Printer took 3.58ms. Allocated memory is still 138.4MB. Free memory is still 37.3MB. 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 10 terminating modules (0 trivial, 8 deterministic, 2 nondeterministic). One deterministic module has affine ranking function k + -1 * z and consists of 5 locations. One deterministic module has affine ranking function k + -1 * z and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function x + -1 * d and consists of 5 locations. One deterministic module has affine ranking function y and consists of 4 locations. One deterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. One nondeterministic module has affine ranking function y and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 37.6s and 11 iterations. TraceHistogramMax:3. Analysis of lassos took 35.0s. Construction of modules took 0.2s. Büchi inclusion checks took 2.1s. Highest rank in rank-based complementation 3. Minimization of det autom 3. Minimization of nondet autom 7. Automata minimization 0.0s AutomataMinimizationTime, 9 MinimizatonAttempts, 22 StatesRemovedByMinimization, 8 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 [8, 0, 2, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 367 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 367 mSDsluCounter, 274 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 75 mSDsCounter, 54 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 134 IncrementalHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 54 mSolverCounterUnsat, 199 mSDtfsCounter, 134 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso10 LassoPreprocessingBenchmarks: Lassos: inital35 mio100 ax100 hnf100 lsp52 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq169 hnf91 smp100 dnf100 smp100 tf101 neg99 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 44ms VariablesStem: 2 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 46 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 8 LassoNonterminationAnalysisUnknown: 2 LassoNonterminationAnalysisTime: 27.0s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-11-20 09:34:11,794 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/bin/uautomizer-ug76WZFUDN/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (133)] Ended with exit code 0 [2022-11-20 09:34:11,996 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_979b167f-0ad8-4465-a19b-9c07a1124dfa/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