./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Mysore-3.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version dbf71c69 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Mysore-3.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ --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 6edfc33d3e5e116b8b5f39fddb65c59ef052d6dfaffe394b38d04501128bfe34 --- 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-dbf71c6-m [2022-10-17 11:02:08,521 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-10-17 11:02:08,523 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-10-17 11:02:08,574 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-10-17 11:02:08,575 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-10-17 11:02:08,581 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-10-17 11:02:08,584 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-10-17 11:02:08,592 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-10-17 11:02:08,596 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-10-17 11:02:08,605 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-10-17 11:02:08,607 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-10-17 11:02:08,609 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-10-17 11:02:08,610 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-10-17 11:02:08,613 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-10-17 11:02:08,616 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-10-17 11:02:08,618 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-10-17 11:02:08,620 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-10-17 11:02:08,622 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-10-17 11:02:08,624 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-10-17 11:02:08,627 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-10-17 11:02:08,629 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-10-17 11:02:08,631 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-10-17 11:02:08,633 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-10-17 11:02:08,635 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-10-17 11:02:08,640 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-10-17 11:02:08,641 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-10-17 11:02:08,642 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-10-17 11:02:08,643 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-10-17 11:02:08,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-10-17 11:02:08,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-10-17 11:02:08,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-10-17 11:02:08,647 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-10-17 11:02:08,648 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-10-17 11:02:08,649 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-10-17 11:02:08,651 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-10-17 11:02:08,651 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-10-17 11:02:08,653 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-10-17 11:02:08,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-10-17 11:02:08,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-10-17 11:02:08,655 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-10-17 11:02:08,656 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-10-17 11:02:08,658 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-10-17 11:02:08,689 INFO L113 SettingsManager]: Loading preferences was successful [2022-10-17 11:02:08,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-10-17 11:02:08,690 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-10-17 11:02:08,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-10-17 11:02:08,692 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-10-17 11:02:08,692 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-10-17 11:02:08,692 INFO L138 SettingsManager]: * Use SBE=true [2022-10-17 11:02:08,693 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-10-17 11:02:08,693 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-10-17 11:02:08,694 INFO L138 SettingsManager]: * Use old map elimination=false [2022-10-17 11:02:08,694 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-10-17 11:02:08,694 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-10-17 11:02:08,695 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-10-17 11:02:08,695 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-10-17 11:02:08,695 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-10-17 11:02:08,696 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-10-17 11:02:08,696 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-10-17 11:02:08,696 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-10-17 11:02:08,697 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-10-17 11:02:08,697 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-10-17 11:02:08,697 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-10-17 11:02:08,698 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-10-17 11:02:08,698 INFO L138 SettingsManager]: * Use constant arrays=true [2022-10-17 11:02:08,698 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-10-17 11:02:08,698 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-10-17 11:02:08,699 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-10-17 11:02:08,699 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-10-17 11:02:08,699 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-10-17 11:02:08,701 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-10-17 11:02:08,701 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_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6edfc33d3e5e116b8b5f39fddb65c59ef052d6dfaffe394b38d04501128bfe34 [2022-10-17 11:02:09,003 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-10-17 11:02:09,029 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-10-17 11:02:09,032 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-10-17 11:02:09,034 INFO L271 PluginConnector]: Initializing CDTParser... [2022-10-17 11:02:09,035 INFO L275 PluginConnector]: CDTParser initialized [2022-10-17 11:02:09,036 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/../../sv-benchmarks/c/termination-crafted/Mysore-3.c [2022-10-17 11:02:09,123 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/data/d4c775154/269cc55e5c10495d852d7c774ef832d4/FLAG3369cd457 [2022-10-17 11:02:09,666 INFO L306 CDTParser]: Found 1 translation units. [2022-10-17 11:02:09,667 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/sv-benchmarks/c/termination-crafted/Mysore-3.c [2022-10-17 11:02:09,676 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/data/d4c775154/269cc55e5c10495d852d7c774ef832d4/FLAG3369cd457 [2022-10-17 11:02:10,002 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/data/d4c775154/269cc55e5c10495d852d7c774ef832d4 [2022-10-17 11:02:10,005 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-10-17 11:02:10,007 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-10-17 11:02:10,009 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-10-17 11:02:10,009 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-10-17 11:02:10,014 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-10-17 11:02:10,015 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:02:10" (1/1) ... [2022-10-17 11:02:10,016 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40029701 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:10, skipping insertion in model container [2022-10-17 11:02:10,017 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.10 11:02:10" (1/1) ... [2022-10-17 11:02:10,026 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-10-17 11:02:10,041 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-10-17 11:02:10,260 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:02:10,270 INFO L203 MainTranslator]: Completed pre-run [2022-10-17 11:02:10,287 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-10-17 11:02:10,301 INFO L208 MainTranslator]: Completed translation [2022-10-17 11:02:10,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:10 WrapperNode [2022-10-17 11:02:10,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-10-17 11:02:10,304 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-10-17 11:02:10,304 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-10-17 11:02:10,304 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-10-17 11:02:10,314 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:10" (1/1) ... [2022-10-17 11:02:10,319 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:10" (1/1) ... [2022-10-17 11:02:10,340 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 23 [2022-10-17 11:02:10,340 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-10-17 11:02:10,341 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-10-17 11:02:10,342 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-10-17 11:02:10,342 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-10-17 11:02:10,353 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:10" (1/1) ... [2022-10-17 11:02:10,353 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:10" (1/1) ... [2022-10-17 11:02:10,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:10" (1/1) ... [2022-10-17 11:02:10,355 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:10" (1/1) ... [2022-10-17 11:02:10,357 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:10" (1/1) ... [2022-10-17 11:02:10,362 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:10" (1/1) ... [2022-10-17 11:02:10,363 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:10" (1/1) ... [2022-10-17 11:02:10,364 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:10" (1/1) ... [2022-10-17 11:02:10,365 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-10-17 11:02:10,366 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-10-17 11:02:10,367 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-10-17 11:02:10,367 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-10-17 11:02:10,368 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:10" (1/1) ... [2022-10-17 11:02:10,381 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:02:10,396 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:02:10,421 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 11:02:10,453 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-10-17 11:02:10,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-10-17 11:02:10,491 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-10-17 11:02:10,579 INFO L235 CfgBuilder]: Building ICFG [2022-10-17 11:02:10,583 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-10-17 11:02:10,685 INFO L276 CfgBuilder]: Performing block encoding [2022-10-17 11:02:10,694 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-10-17 11:02:10,694 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-10-17 11:02:10,696 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:02:10 BoogieIcfgContainer [2022-10-17 11:02:10,696 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-10-17 11:02:10,698 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-10-17 11:02:10,698 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-10-17 11:02:10,703 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-10-17 11:02:10,704 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 11:02:10,704 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 17.10 11:02:10" (1/3) ... [2022-10-17 11:02:10,705 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b135d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 11:02:10, skipping insertion in model container [2022-10-17 11:02:10,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 11:02:10,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.10 11:02:10" (2/3) ... [2022-10-17 11:02:10,706 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5b135d42 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 17.10 11:02:10, skipping insertion in model container [2022-10-17 11:02:10,706 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-10-17 11:02:10,707 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 17.10 11:02:10" (3/3) ... [2022-10-17 11:02:10,708 INFO L332 chiAutomizerObserver]: Analyzing ICFG Mysore-3.c [2022-10-17 11:02:10,776 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-10-17 11:02:10,776 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-10-17 11:02:10,776 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-10-17 11:02:10,776 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-10-17 11:02:10,777 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-10-17 11:02:10,777 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-10-17 11:02:10,777 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-10-17 11:02:10,777 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-10-17 11:02:10,783 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 11:02:10,805 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-10-17 11:02:10,805 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 11:02:10,806 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 11:02:10,812 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-10-17 11:02:10,812 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-10-17 11:02:10,813 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-10-17 11:02:10,813 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.5555555555555556) internal successors, (14), 9 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-10-17 11:02:10,815 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-10-17 11:02:10,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-10-17 11:02:10,815 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-10-17 11:02:10,815 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-10-17 11:02:10,816 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-10-17 11:02:10,825 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 8#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~c~0#1;havoc main_~x~0#1;havoc main_~c~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~c~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 3#L18true assume !!(-65535 <= main_~x~0#1 && main_~x~0#1 <= 65535); 9#L19true assume !!(-65535 <= main_~c~0#1 && main_~c~0#1 <= 65535); 10#L20true assume main_~c~0#1 < 0; 5#L21-2true [2022-10-17 11:02:10,825 INFO L750 eck$LassoCheckResult]: Loop: 5#L21-2true assume !!(main_~x~0#1 + main_~c~0#1 >= 0);main_~x~0#1 := main_~x~0#1 - main_~c~0#1;main_~c~0#1 := main_~c~0#1 - 1; 5#L21-2true [2022-10-17 11:02:10,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:02:10,833 INFO L85 PathProgramCache]: Analyzing trace with hash 28695847, now seen corresponding path program 1 times [2022-10-17 11:02:10,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:02:10,845 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1101773942] [2022-10-17 11:02:10,846 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:02:10,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:02:10,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:02:10,937 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 11:02:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:02:10,962 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 11:02:10,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:02:10,967 INFO L85 PathProgramCache]: Analyzing trace with hash 55, now seen corresponding path program 1 times [2022-10-17 11:02:10,967 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:02:10,967 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055009895] [2022-10-17 11:02:10,967 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:02:10,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:02:10,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:02:11,000 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 11:02:11,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:02:11,022 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 11:02:11,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-10-17 11:02:11,027 INFO L85 PathProgramCache]: Analyzing trace with hash 889571281, now seen corresponding path program 1 times [2022-10-17 11:02:11,028 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-10-17 11:02:11,029 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1884076369] [2022-10-17 11:02:11,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-10-17 11:02:11,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-10-17 11:02:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:02:11,053 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-10-17 11:02:11,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-10-17 11:02:11,077 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-10-17 11:02:11,189 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 11:02:11,190 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 11:02:11,191 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 11:02:11,191 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 11:02:11,191 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 11:02:11,191 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:02:11,192 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 11:02:11,192 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 11:02:11,192 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-3.c_Iteration1_Loop [2022-10-17 11:02:11,192 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 11:02:11,193 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 11:02:11,215 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 11:02:11,230 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 11:02:11,235 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 11:02:11,326 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 11:02:11,327 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 11:02:11,329 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:02:11,330 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:02:11,332 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 11:02:11,338 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 11:02:11,339 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 11:02:11,360 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-10-17 11:02:11,378 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 11:02:11,378 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 11:02:11,422 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-10-17 11:02:11,422 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:02:11,423 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:02:11,424 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 11:02:11,431 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-10-17 11:02:11,432 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 11:02:11,433 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 11:02:11,472 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 11:02:11,472 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-10-17 11:02:11,518 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-10-17 11:02:11,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:02:11,518 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:02:11,520 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 11:02:11,526 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 11:02:11,527 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 11:02:11,541 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-10-17 11:02:11,598 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-10-17 11:02:11,598 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:02:11,598 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:02:11,603 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 11:02:11,611 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 11:02:11,612 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 11:02:11,646 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-10-17 11:02:11,758 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-10-17 11:02:11,758 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=7, ULTIMATE.start_main_~c~0#1=-7} Honda state: {ULTIMATE.start_main_~x~0#1=7, ULTIMATE.start_main_~c~0#1=-7} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~c~0#1=-1}, {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~c~0#1=0}, {ULTIMATE.start_main_~x~0#1=5, ULTIMATE.start_main_~c~0#1=0}] Lambdas: [1, 1, 1] Nus: [1, 0] [2022-10-17 11:02:11,791 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-10-17 11:02:11,843 INFO L210 LassoAnalysis]: Preferences: [2022-10-17 11:02:11,843 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-10-17 11:02:11,843 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-10-17 11:02:11,844 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-10-17 11:02:11,844 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-10-17 11:02:11,844 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:02:11,844 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-10-17 11:02:11,845 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-10-17 11:02:11,845 INFO L133 ssoRankerPreferences]: Filename of dumped script: Mysore-3.c_Iteration1_Lasso [2022-10-17 11:02:11,845 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-10-17 11:02:11,845 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-10-17 11:02:11,849 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 11:02:11,871 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 11:02:11,875 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 11:02:11,879 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 11:02:11,882 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 11:02:11,887 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-10-17 11:02:11,975 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-10-17 11:02:11,976 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-10-17 11:02:11,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:02:11,976 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:02:11,978 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 11:02:11,986 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-10-17 11:02:11,998 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-10-17 11:02:11,998 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-10-17 11:02:12,088 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-10-17 11:02:12,088 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-10-17 11:02:12,088 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 [2022-10-17 11:02:12,090 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-10-17 11:02:12,091 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_1568c79d-7dc8-4e7b-bce4-e1b16307af8b/bin/uautomizer-J5u9QxTXDZ/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-10-17 11:02:12,092 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-10-17 11:02:12,092 INFO L160 nArgumentSynthesizer]: Using integer mode.