./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Pure2Phase-1.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 63182f13 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Pure2Phase-1.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y --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 2a633be8572429ac13238ea7bd46ff22a6a657dc142a1db237c08b8a68a6d4e8 --- Real Ultimate output --- This is Ultimate 0.2.1-dev-63182f1 [2021-11-13 17:54:21,089 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-13 17:54:21,093 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-13 17:54:21,141 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-13 17:54:21,141 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-13 17:54:21,143 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-13 17:54:21,150 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-13 17:54:21,154 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-13 17:54:21,157 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-13 17:54:21,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-13 17:54:21,165 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-13 17:54:21,167 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-13 17:54:21,167 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-13 17:54:21,168 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-13 17:54:21,170 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-13 17:54:21,172 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-13 17:54:21,173 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-13 17:54:21,174 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-13 17:54:21,177 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-13 17:54:21,179 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-13 17:54:21,181 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-13 17:54:21,183 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-13 17:54:21,185 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-13 17:54:21,186 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-13 17:54:21,190 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-13 17:54:21,191 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-13 17:54:21,191 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-13 17:54:21,193 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-13 17:54:21,193 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-13 17:54:21,195 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-13 17:54:21,195 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-13 17:54:21,196 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-13 17:54:21,197 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-13 17:54:21,198 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-13 17:54:21,199 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-13 17:54:21,200 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-13 17:54:21,201 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-13 17:54:21,201 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-13 17:54:21,202 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-13 17:54:21,203 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-13 17:54:21,204 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-13 17:54:21,205 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-11-13 17:54:21,235 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-13 17:54:21,240 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-13 17:54:21,241 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-13 17:54:21,242 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-13 17:54:21,243 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-13 17:54:21,243 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-13 17:54:21,244 INFO L138 SettingsManager]: * Use SBE=true [2021-11-13 17:54:21,244 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-13 17:54:21,244 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-13 17:54:21,245 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-13 17:54:21,246 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-13 17:54:21,246 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-13 17:54:21,246 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-13 17:54:21,246 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-13 17:54:21,247 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-13 17:54:21,247 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-13 17:54:21,247 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-13 17:54:21,247 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-13 17:54:21,248 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-13 17:54:21,248 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-13 17:54:21,248 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-13 17:54:21,248 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-13 17:54:21,249 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-13 17:54:21,249 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-13 17:54:21,249 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-13 17:54:21,250 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-13 17:54:21,251 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-13 17:54:21,252 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-13 17:54:21,252 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-13 17:54:21,253 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-13 17:54:21,254 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_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2a633be8572429ac13238ea7bd46ff22a6a657dc142a1db237c08b8a68a6d4e8 [2021-11-13 17:54:21,563 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-13 17:54:21,595 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-13 17:54:21,599 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-13 17:54:21,600 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-13 17:54:21,601 INFO L275 PluginConnector]: CDTParser initialized [2021-11-13 17:54:21,603 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/../../sv-benchmarks/c/termination-crafted/Pure2Phase-1.c [2021-11-13 17:54:21,692 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/data/9cd393850/56de39f8f0764fce89f9b64b7f28b01d/FLAG49fdbddaf [2021-11-13 17:54:22,188 INFO L306 CDTParser]: Found 1 translation units. [2021-11-13 17:54:22,188 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/sv-benchmarks/c/termination-crafted/Pure2Phase-1.c [2021-11-13 17:54:22,200 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/data/9cd393850/56de39f8f0764fce89f9b64b7f28b01d/FLAG49fdbddaf [2021-11-13 17:54:22,571 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/data/9cd393850/56de39f8f0764fce89f9b64b7f28b01d [2021-11-13 17:54:22,574 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-13 17:54:22,576 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-13 17:54:22,579 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-13 17:54:22,579 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-13 17:54:22,584 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-13 17:54:22,585 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:22,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5329333f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22, skipping insertion in model container [2021-11-13 17:54:22,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:22,600 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-13 17:54:22,614 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-13 17:54:22,834 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:54:22,838 INFO L203 MainTranslator]: Completed pre-run [2021-11-13 17:54:22,854 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-13 17:54:22,867 INFO L208 MainTranslator]: Completed translation [2021-11-13 17:54:22,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22 WrapperNode [2021-11-13 17:54:22,868 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-13 17:54:22,870 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-13 17:54:22,870 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-13 17:54:22,870 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-13 17:54:22,879 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:22,884 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:22,903 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-13 17:54:22,904 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-13 17:54:22,904 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-13 17:54:22,905 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-13 17:54:22,914 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:22,915 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:22,916 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:22,916 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:22,918 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:22,923 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:22,924 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:22,925 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-13 17:54:22,926 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-13 17:54:22,927 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-13 17:54:22,927 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-13 17:54:22,928 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (1/1) ... [2021-11-13 17:54:22,938 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:22,950 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:22,965 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:22,974 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-13 17:54:23,023 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-13 17:54:23,024 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-13 17:54:23,206 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-13 17:54:23,206 INFO L299 CfgBuilder]: Removed 1 assume(true) statements. [2021-11-13 17:54:23,209 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:54:23 BoogieIcfgContainer [2021-11-13 17:54:23,209 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-13 17:54:23,210 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-13 17:54:23,210 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-13 17:54:23,214 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-13 17:54:23,215 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:54:23,215 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.11 05:54:22" (1/3) ... [2021-11-13 17:54:23,217 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41b7f374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:54:23, skipping insertion in model container [2021-11-13 17:54:23,217 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:54:23,217 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.11 05:54:22" (2/3) ... [2021-11-13 17:54:23,218 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@41b7f374 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.11 05:54:23, skipping insertion in model container [2021-11-13 17:54:23,218 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-13 17:54:23,218 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:54:23" (3/3) ... [2021-11-13 17:54:23,220 INFO L388 chiAutomizerObserver]: Analyzing ICFG Pure2Phase-1.c [2021-11-13 17:54:23,274 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-13 17:54:23,274 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-13 17:54:23,274 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-13 17:54:23,274 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-13 17:54:23,275 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-13 17:54:23,275 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-13 17:54:23,275 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-13 17:54:23,275 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-13 17:54:23,292 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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) [2021-11-13 17:54:23,312 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-13 17:54:23,312 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:54:23,312 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:54:23,319 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-13 17:54:23,319 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:54:23,319 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-13 17:54:23,319 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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) [2021-11-13 17:54:23,321 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-13 17:54:23,321 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:54:23,321 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:54:23,322 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2021-11-13 17:54:23,322 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:54:23,329 INFO L791 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_#t~nondet2#1, main_~y~0#1, main_~z~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 11#L20true assume !!(-1073741823 <= main_~y~0#1 && main_~y~0#1 <= 1073741823); 7#L21true assume !!(main_~z~0#1 <= 1073741823); 5#L24-2true [2021-11-13 17:54:23,330 INFO L793 eck$LassoCheckResult]: Loop: 5#L24-2true assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 12#L24true assume !(main_~y~0#1 >= 0);main_~z~0#1 := main_~z~0#1 - 1; 5#L24-2true [2021-11-13 17:54:23,336 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:23,336 INFO L85 PathProgramCache]: Analyzing trace with hash 925672, now seen corresponding path program 1 times [2021-11-13 17:54:23,346 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:23,347 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052572818] [2021-11-13 17:54:23,347 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:23,348 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:23,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:23,433 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:54:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:23,454 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:54:23,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:23,457 INFO L85 PathProgramCache]: Analyzing trace with hash 1643, now seen corresponding path program 1 times [2021-11-13 17:54:23,458 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:23,458 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2134249096] [2021-11-13 17:54:23,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:23,459 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:23,470 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:54:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:23,477 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:54:23,479 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:23,479 INFO L85 PathProgramCache]: Analyzing trace with hash 889571474, now seen corresponding path program 1 times [2021-11-13 17:54:23,480 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:23,480 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1296625617] [2021-11-13 17:54:23,480 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:23,480 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:23,490 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:54:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:23,498 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:54:23,619 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:54:23,620 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:54:23,620 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:54:23,620 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:54:23,621 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 17:54:23,621 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:23,621 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:54:23,621 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:54:23,621 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration1_Loop [2021-11-13 17:54:23,622 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:54:23,622 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:54:23,659 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:23,668 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:23,673 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:23,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:23,781 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:54:23,782 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 17:54:23,784 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:23,785 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:23,787 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:23,808 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-13 17:54:23,813 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 17:54:23,813 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:23,852 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 17:54:23,853 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: [] [2021-11-13 17:54:23,892 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:23,894 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:23,894 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:23,896 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:23,902 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-13 17:54:23,904 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 17:54:23,905 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:23,928 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 17:54:23,928 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: [] [2021-11-13 17:54:23,972 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:23,973 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:23,973 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:23,975 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:23,985 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 17:54:23,986 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:24,008 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-13 17:54:24,063 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:24,063 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:24,064 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:24,065 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:24,072 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 17:54:24,072 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:24,096 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-13 17:54:24,148 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-13 17:54:24,155 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:24,157 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:54:24,157 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:54:24,157 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:54:24,157 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:54:24,157 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:54:24,158 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:24,158 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:54:24,158 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:54:24,158 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration1_Loop [2021-11-13 17:54:24,158 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:54:24,158 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:54:24,161 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:24,165 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:24,173 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:24,180 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:24,273 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:54:24,278 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:54:24,279 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:24,280 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:24,281 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:24,287 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 [2021-11-13 17:54:24,297 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:54:24,298 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:54:24,298 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:54:24,298 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:54:24,304 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:54:24,304 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:54:24,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-11-13 17:54:24,328 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:54:24,366 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:24,367 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:24,367 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:24,369 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:24,377 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 [2021-11-13 17:54:24,387 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:54:24,387 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:54:24,387 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:54:24,388 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:54:24,388 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:54:24,389 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:54:24,390 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:54:24,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-11-13 17:54:24,404 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:54:24,410 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-13 17:54:24,410 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-13 17:54:24,412 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:24,412 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:24,414 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:24,420 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:54:24,420 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-13 17:54:24,420 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:54:24,421 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 2*ULTIMATE.start_main_~z~0#1 + 1 Supporting invariants [] [2021-11-13 17:54:24,444 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-11-13 17:54:24,460 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:24,463 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-13 17:54:24,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:24,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:24,515 INFO L263 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:54:24,516 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:54:24,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:24,550 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:54:24,551 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:54:24,615 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:54:24,668 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-13 17:54:24,669 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-13 17:54:24,720 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 11 states, 10 states have (on average 1.6) internal successors, (16), 10 states have internal predecessors, (16), 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 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 30 states and 39 transitions. Complement of second has 8 states. [2021-11-13 17:54:24,722 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-13 17:54:24,728 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2021-11-13 17:54:24,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 18 transitions. [2021-11-13 17:54:24,731 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 4 letters. Loop has 2 letters. [2021-11-13 17:54:24,732 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:54:24,732 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 6 letters. Loop has 2 letters. [2021-11-13 17:54:24,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:54:24,733 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 18 transitions. Stem has 4 letters. Loop has 4 letters. [2021-11-13 17:54:24,733 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:54:24,734 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 39 transitions. [2021-11-13 17:54:24,738 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-13 17:54:24,743 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 11 states and 14 transitions. [2021-11-13 17:54:24,744 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2021-11-13 17:54:24,744 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-13 17:54:24,745 INFO L73 IsDeterministic]: Start isDeterministic. Operand 11 states and 14 transitions. [2021-11-13 17:54:24,746 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:54:24,746 INFO L681 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-11-13 17:54:24,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11 states and 14 transitions. [2021-11-13 17:54:24,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11 to 11. [2021-11-13 17:54:24,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11 states, 11 states have (on average 1.2727272727272727) internal successors, (14), 10 states have internal predecessors, (14), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:54:24,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 11 states and 14 transitions. [2021-11-13 17:54:24,777 INFO L704 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-11-13 17:54:24,777 INFO L587 BuchiCegarLoop]: Abstraction has 11 states and 14 transitions. [2021-11-13 17:54:24,778 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-13 17:54:24,778 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states and 14 transitions. [2021-11-13 17:54:24,779 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-11-13 17:54:24,779 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:54:24,779 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:54:24,780 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2021-11-13 17:54:24,780 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-11-13 17:54:24,780 INFO L791 eck$LassoCheckResult]: Stem: 87#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 88#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~y~0#1, main_~z~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 97#L20 assume !!(-1073741823 <= main_~y~0#1 && main_~y~0#1 <= 1073741823); 95#L21 assume !!(main_~z~0#1 <= 1073741823); 96#L24-2 assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 93#L24 assume main_~y~0#1 >= 0;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 94#L27 [2021-11-13 17:54:24,781 INFO L793 eck$LassoCheckResult]: Loop: 94#L27 assume !!(main_~z~0#1 <= 1073741823); 89#L24-2 assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 90#L24 assume main_~y~0#1 >= 0;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 94#L27 [2021-11-13 17:54:24,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:24,782 INFO L85 PathProgramCache]: Analyzing trace with hash 889571467, now seen corresponding path program 1 times [2021-11-13 17:54:24,782 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:24,782 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1447127781] [2021-11-13 17:54:24,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:24,783 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:24,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:24,790 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:54:24,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:24,798 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:54:24,799 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:24,799 INFO L85 PathProgramCache]: Analyzing trace with hash 58335, now seen corresponding path program 1 times [2021-11-13 17:54:24,799 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:24,800 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1845954800] [2021-11-13 17:54:24,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:24,800 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:24,806 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:54:24,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:24,811 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:54:24,812 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:24,812 INFO L85 PathProgramCache]: Analyzing trace with hash 1275385621, now seen corresponding path program 1 times [2021-11-13 17:54:24,813 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:24,813 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [459667690] [2021-11-13 17:54:24,813 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:24,814 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:24,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:24,823 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:54:24,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:24,832 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:54:24,868 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:54:24,868 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:54:24,869 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:54:24,869 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:54:24,869 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 17:54:24,869 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:24,869 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:54:24,870 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:54:24,870 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration2_Loop [2021-11-13 17:54:24,870 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:54:24,870 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:54:24,872 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:24,876 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:24,883 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:24,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:24,944 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:54:24,944 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 17:54:24,944 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:24,944 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:24,945 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:24,960 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 17:54:24,960 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:24,978 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-11-13 17:54:24,992 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 17:54:24,992 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 17:54:25,016 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:25,020 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:25,020 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:25,021 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:25,023 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-11-13 17:54:25,023 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 17:54:25,023 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:25,043 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 17:54:25,044 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~z~0#1=389018447, ULTIMATE.start_main_#t~nondet2#1=389018447} Honda state: {ULTIMATE.start_main_~z~0#1=389018447, ULTIMATE.start_main_#t~nondet2#1=389018447} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 17:54:25,087 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:25,088 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:25,089 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:25,091 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:25,093 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-11-13 17:54:25,094 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 17:54:25,094 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:25,128 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 17:54:25,128 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 17:54:25,163 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:25,163 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:25,163 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:25,168 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:25,209 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 17:54:25,209 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:25,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-11-13 17:54:25,266 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:25,267 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:25,267 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:25,268 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:25,268 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2021-11-13 17:54:25,269 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 17:54:25,269 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:25,349 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-13 17:54:25,352 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Ended with exit code 0 [2021-11-13 17:54:25,352 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:54:25,353 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:54:25,353 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:54:25,353 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:54:25,353 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:54:25,353 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:25,353 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:54:25,353 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:54:25,353 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration2_Loop [2021-11-13 17:54:25,353 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:54:25,354 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:54:25,355 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:25,360 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:25,374 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:25,377 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:25,444 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:54:25,444 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:54:25,445 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:25,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:25,448 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:25,453 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 [2021-11-13 17:54:25,463 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:54:25,464 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:54:25,464 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:54:25,464 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:54:25,469 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:54:25,469 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:54:25,475 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2021-11-13 17:54:25,491 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:54:25,528 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:25,528 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:25,528 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:25,532 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:25,539 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 [2021-11-13 17:54:25,544 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2021-11-13 17:54:25,549 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:54:25,549 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:54:25,550 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:54:25,550 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:54:25,550 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:54:25,553 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:54:25,553 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:54:25,575 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:54:25,609 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:25,609 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:25,609 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:25,610 INFO L229 MonitoredProcess]: Starting monitored process 16 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:25,611 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Waiting until timeout for monitored process [2021-11-13 17:54:25,612 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 [2021-11-13 17:54:25,619 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:54:25,620 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:54:25,620 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:54:25,620 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:54:25,629 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:54:25,629 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:54:25,659 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:54:25,697 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (16)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:25,698 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:25,698 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:25,700 INFO L229 MonitoredProcess]: Starting monitored process 17 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:25,713 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-11-13 17:54:25,723 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:54:25,723 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:54:25,723 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:54:25,723 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:54:25,724 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:54:25,725 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:54:25,725 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:54:25,727 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Waiting until timeout for monitored process [2021-11-13 17:54:25,736 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:54:25,746 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-13 17:54:25,747 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-11-13 17:54:25,747 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:25,747 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:25,749 INFO L229 MonitoredProcess]: Starting monitored process 18 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:25,759 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:54:25,760 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-13 17:54:25,760 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:54:25,760 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0#1) = 1*ULTIMATE.start_main_~y~0#1 Supporting invariants [] [2021-11-13 17:54:25,780 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Waiting until timeout for monitored process [2021-11-13 17:54:25,806 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (17)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:25,808 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-13 17:54:25,833 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:25,839 INFO L263 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:54:25,840 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:54:25,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:25,884 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:54:25,885 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:54:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:54:25,933 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-13 17:54:25,933 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5 Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:54:25,962 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states and 14 transitions. cyclomatic complexity: 5. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 16 states and 21 transitions. Complement of second has 6 states. [2021-11-13 17:54:25,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-11-13 17:54:25,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:54:25,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 12 transitions. [2021-11-13 17:54:25,966 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 3 letters. [2021-11-13 17:54:25,966 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:54:25,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 9 letters. Loop has 3 letters. [2021-11-13 17:54:25,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:54:25,967 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 12 transitions. Stem has 6 letters. Loop has 6 letters. [2021-11-13 17:54:25,967 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:54:25,968 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 21 transitions. [2021-11-13 17:54:25,971 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-13 17:54:25,973 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 16 states and 21 transitions. [2021-11-13 17:54:25,973 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-13 17:54:25,973 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 10 [2021-11-13 17:54:25,974 INFO L73 IsDeterministic]: Start isDeterministic. Operand 16 states and 21 transitions. [2021-11-13 17:54:25,974 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:54:25,974 INFO L681 BuchiCegarLoop]: Abstraction has 16 states and 21 transitions. [2021-11-13 17:54:25,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states and 21 transitions. [2021-11-13 17:54:25,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2021-11-13 17:54:25,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14 states, 14 states have (on average 1.3571428571428572) internal successors, (19), 13 states have internal predecessors, (19), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:54:25,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 19 transitions. [2021-11-13 17:54:25,978 INFO L704 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-11-13 17:54:25,978 INFO L587 BuchiCegarLoop]: Abstraction has 14 states and 19 transitions. [2021-11-13 17:54:25,978 INFO L425 BuchiCegarLoop]: ======== Iteration 3============ [2021-11-13 17:54:25,979 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 14 states and 19 transitions. [2021-11-13 17:54:25,981 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-13 17:54:25,981 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:54:25,982 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:54:25,982 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1] [2021-11-13 17:54:25,982 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:54:25,984 INFO L791 eck$LassoCheckResult]: Stem: 164#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 165#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~y~0#1, main_~z~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 175#L20 assume !!(-1073741823 <= main_~y~0#1 && main_~y~0#1 <= 1073741823); 174#L21 assume !!(main_~z~0#1 <= 1073741823); 166#L24-2 assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 168#L24 assume main_~y~0#1 >= 0;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 171#L27 assume !!(main_~z~0#1 <= 1073741823); 172#L24-2 [2021-11-13 17:54:25,984 INFO L793 eck$LassoCheckResult]: Loop: 172#L24-2 assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 176#L24 assume !(main_~y~0#1 >= 0);main_~z~0#1 := main_~z~0#1 - 1; 172#L24-2 [2021-11-13 17:54:25,985 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:25,985 INFO L85 PathProgramCache]: Analyzing trace with hash 1806911730, now seen corresponding path program 2 times [2021-11-13 17:54:25,985 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:25,986 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1804924949] [2021-11-13 17:54:25,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:25,986 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:26,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:26,006 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:54:26,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:26,027 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:54:26,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:26,030 INFO L85 PathProgramCache]: Analyzing trace with hash 1643, now seen corresponding path program 2 times [2021-11-13 17:54:26,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:26,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013974600] [2021-11-13 17:54:26,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:26,031 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:26,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:26,035 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:54:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:26,039 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:54:26,040 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:26,040 INFO L85 PathProgramCache]: Analyzing trace with hash 1275385628, now seen corresponding path program 1 times [2021-11-13 17:54:26,040 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:26,040 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [618141064] [2021-11-13 17:54:26,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:26,041 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:26,048 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:54:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:26,055 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:54:26,081 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:54:26,082 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:54:26,082 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:54:26,082 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:54:26,082 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 17:54:26,082 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:26,082 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:54:26,083 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:54:26,083 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration3_Loop [2021-11-13 17:54:26,083 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:54:26,083 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:54:26,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:26,095 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:26,098 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:26,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:26,156 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:54:26,156 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 17:54:26,157 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:26,157 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:26,164 INFO L229 MonitoredProcess]: Starting monitored process 19 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:26,167 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 17:54:26,167 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:26,179 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Waiting until timeout for monitored process [2021-11-13 17:54:26,228 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (19)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:26,228 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:26,228 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:26,232 INFO L229 MonitoredProcess]: Starting monitored process 20 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:26,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Waiting until timeout for monitored process [2021-11-13 17:54:26,241 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 17:54:26,242 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:26,284 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 17:54:26,284 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~y~0#1=-2} Honda state: {ULTIMATE.start_main_~y~0#1=-2} Generalized eigenvectors: [{ULTIMATE.start_main_~y~0#1=-1}, {ULTIMATE.start_main_~y~0#1=0}, {ULTIMATE.start_main_~y~0#1=0}] Lambdas: [1, 12, 9] Nus: [0, 0] [2021-11-13 17:54:26,304 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (20)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:26,304 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:26,305 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:26,305 INFO L229 MonitoredProcess]: Starting monitored process 21 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:26,310 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Waiting until timeout for monitored process [2021-11-13 17:54:26,311 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 17:54:26,312 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:26,327 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-11-13 17:54:26,327 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-11-13 17:54:26,352 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (21)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:26,352 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:26,352 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:26,353 INFO L229 MonitoredProcess]: Starting monitored process 22 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:26,354 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Waiting until timeout for monitored process [2021-11-13 17:54:26,357 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 17:54:26,358 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:26,389 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (22)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:26,389 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:26,389 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:26,390 INFO L229 MonitoredProcess]: Starting monitored process 23 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:26,393 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Waiting until timeout for monitored process [2021-11-13 17:54:26,394 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 17:54:26,394 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:26,460 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-13 17:54:26,463 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (23)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:26,464 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:54:26,464 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:54:26,464 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:54:26,464 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:54:26,464 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:54:26,464 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:26,464 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:54:26,464 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:54:26,464 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration3_Loop [2021-11-13 17:54:26,465 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:54:26,465 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:54:26,466 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:26,477 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:26,480 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:26,485 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:26,571 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:54:26,571 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:54:26,571 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:26,571 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:26,584 INFO L229 MonitoredProcess]: Starting monitored process 24 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:26,629 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:26,667 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Waiting until timeout for monitored process [2021-11-13 17:54:26,668 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 [2021-11-13 17:54:26,677 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:54:26,677 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:54:26,677 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:54:26,678 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:54:26,678 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:54:26,679 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:54:26,679 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:54:26,698 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (18)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:26,700 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:54:26,759 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (24)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:26,759 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:26,760 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:26,761 INFO L229 MonitoredProcess]: Starting monitored process 25 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:26,763 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 [2021-11-13 17:54:26,773 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:54:26,773 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:54:26,773 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:54:26,774 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:54:26,777 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-11-13 17:54:26,777 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-11-13 17:54:26,781 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Waiting until timeout for monitored process [2021-11-13 17:54:26,792 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-11-13 17:54:26,832 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (25)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:26,832 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:26,832 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:26,833 INFO L229 MonitoredProcess]: Starting monitored process 26 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:26,836 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 [2021-11-13 17:54:26,847 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:54:26,847 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:54:26,847 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:54:26,847 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:54:26,847 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:54:26,849 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:54:26,849 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:54:26,852 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Waiting until timeout for monitored process [2021-11-13 17:54:26,856 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:54:26,860 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-13 17:54:26,860 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-13 17:54:26,861 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:26,861 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:26,862 INFO L229 MonitoredProcess]: Starting monitored process 27 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:26,864 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:54:26,864 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-13 17:54:26,864 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:54:26,865 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 2*ULTIMATE.start_main_~z~0#1 + 1 Supporting invariants [] [2021-11-13 17:54:26,887 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Waiting until timeout for monitored process [2021-11-13 17:54:26,900 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (26)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:26,905 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-13 17:54:26,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:26,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:26,927 INFO L263 TraceCheckSpWp]: Trace formula consists of 14 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:54:26,928 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:54:26,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:26,953 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:54:26,954 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:54:26,990 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:54:26,990 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-13 17:54:26,991 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 14 states and 19 transitions. cyclomatic complexity: 8 Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:54:27,009 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 14 states and 19 transitions. cyclomatic complexity: 8. Second operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 21 states and 28 transitions. Complement of second has 5 states. [2021-11-13 17:54:27,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-13 17:54:27,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.0) internal successors, (9), 3 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-13 17:54:27,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2021-11-13 17:54:27,011 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 7 letters. Loop has 2 letters. [2021-11-13 17:54:27,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:54:27,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 9 letters. Loop has 2 letters. [2021-11-13 17:54:27,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:54:27,012 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 7 letters. Loop has 4 letters. [2021-11-13 17:54:27,012 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:54:27,012 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 21 states and 28 transitions. [2021-11-13 17:54:27,013 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-13 17:54:27,014 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 21 states to 17 states and 22 transitions. [2021-11-13 17:54:27,014 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2021-11-13 17:54:27,014 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2021-11-13 17:54:27,014 INFO L73 IsDeterministic]: Start isDeterministic. Operand 17 states and 22 transitions. [2021-11-13 17:54:27,015 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2021-11-13 17:54:27,015 INFO L681 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-11-13 17:54:27,015 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states and 22 transitions. [2021-11-13 17:54:27,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2021-11-13 17:54:27,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17 states, 17 states have (on average 1.2941176470588236) internal successors, (22), 16 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) [2021-11-13 17:54:27,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 22 transitions. [2021-11-13 17:54:27,017 INFO L704 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-11-13 17:54:27,017 INFO L587 BuchiCegarLoop]: Abstraction has 17 states and 22 transitions. [2021-11-13 17:54:27,017 INFO L425 BuchiCegarLoop]: ======== Iteration 4============ [2021-11-13 17:54:27,018 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states and 22 transitions. [2021-11-13 17:54:27,018 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2021-11-13 17:54:27,018 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-13 17:54:27,018 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-13 17:54:27,019 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [2, 2, 2, 1, 1, 1, 1] [2021-11-13 17:54:27,019 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2021-11-13 17:54:27,019 INFO L791 eck$LassoCheckResult]: Stem: 247#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 248#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_#t~nondet2#1, main_~y~0#1, main_~z~0#1;havoc main_~y~0#1;havoc main_~z~0#1;main_~y~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~z~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1; 259#L20 assume !!(-1073741823 <= main_~y~0#1 && main_~y~0#1 <= 1073741823); 258#L21 assume !!(main_~z~0#1 <= 1073741823); 249#L24-2 assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 251#L24 assume main_~y~0#1 >= 0;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 254#L27 assume !!(main_~z~0#1 <= 1073741823); 255#L24-2 assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 262#L24 assume main_~y~0#1 >= 0;main_~z~0#1 := main_#t~nondet2#1;havoc main_#t~nondet2#1; 256#L27 assume !!(main_~z~0#1 <= 1073741823); 257#L24-2 [2021-11-13 17:54:27,019 INFO L793 eck$LassoCheckResult]: Loop: 257#L24-2 assume !!(main_~z~0#1 >= 0);main_~y~0#1 := main_~y~0#1 - 1; 260#L24 assume !(main_~y~0#1 >= 0);main_~z~0#1 := main_~z~0#1 - 1; 257#L24-2 [2021-11-13 17:54:27,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:27,020 INFO L85 PathProgramCache]: Analyzing trace with hash 882248616, now seen corresponding path program 3 times [2021-11-13 17:54:27,020 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:27,021 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209340320] [2021-11-13 17:54:27,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:27,021 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:27,027 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:54:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:27,034 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:54:27,035 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:27,035 INFO L85 PathProgramCache]: Analyzing trace with hash 1643, now seen corresponding path program 3 times [2021-11-13 17:54:27,035 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:27,036 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [922753904] [2021-11-13 17:54:27,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:27,036 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:27,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:27,040 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:54:27,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:27,043 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:54:27,044 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:27,044 INFO L85 PathProgramCache]: Analyzing trace with hash 1732363346, now seen corresponding path program 2 times [2021-11-13 17:54:27,044 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-13 17:54:27,045 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1241229740] [2021-11-13 17:54:27,045 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-13 17:54:27,045 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-13 17:54:27,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:27,052 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-13 17:54:27,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-13 17:54:27,060 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-13 17:54:27,081 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:54:27,082 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:54:27,082 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:54:27,082 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:54:27,082 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-13 17:54:27,082 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:27,082 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:54:27,082 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:54:27,082 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration4_Loop [2021-11-13 17:54:27,083 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:54:27,083 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:54:27,084 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:27,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:27,094 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:27,096 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:27,136 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:54:27,136 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-13 17:54:27,136 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:27,136 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:27,137 INFO L229 MonitoredProcess]: Starting monitored process 28 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:27,141 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Waiting until timeout for monitored process [2021-11-13 17:54:27,148 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-13 17:54:27,148 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:27,183 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (28)] Ended with exit code 0 [2021-11-13 17:54:27,183 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:27,184 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:27,184 INFO L229 MonitoredProcess]: Starting monitored process 29 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:27,186 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Waiting until timeout for monitored process [2021-11-13 17:54:27,186 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-13 17:54:27,186 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-13 17:54:27,252 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-13 17:54:27,258 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (29)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:27,259 INFO L210 LassoAnalysis]: Preferences: [2021-11-13 17:54:27,259 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-13 17:54:27,259 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-13 17:54:27,259 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-13 17:54:27,259 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-13 17:54:27,259 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:27,259 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-13 17:54:27,259 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-13 17:54:27,259 INFO L133 ssoRankerPreferences]: Filename of dumped script: Pure2Phase-1.c_Iteration4_Loop [2021-11-13 17:54:27,259 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-13 17:54:27,259 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-13 17:54:27,261 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:27,270 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:27,276 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:27,279 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-13 17:54:27,340 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-13 17:54:27,340 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-13 17:54:27,340 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:27,340 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:27,341 INFO L229 MonitoredProcess]: Starting monitored process 30 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:27,348 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Waiting until timeout for monitored process [2021-11-13 17:54:27,348 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 [2021-11-13 17:54:27,357 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-13 17:54:27,357 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-13 17:54:27,358 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-13 17:54:27,358 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-13 17:54:27,358 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-13 17:54:27,359 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-13 17:54:27,359 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-13 17:54:27,365 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-13 17:54:27,368 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-13 17:54:27,368 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-13 17:54:27,369 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-13 17:54:27,369 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 [2021-11-13 17:54:27,370 INFO L229 MonitoredProcess]: Starting monitored process 31 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-13 17:54:27,371 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Waiting until timeout for monitored process [2021-11-13 17:54:27,371 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-13 17:54:27,371 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-13 17:54:27,371 INFO L513 LassoAnalysis]: Proved termination. [2021-11-13 17:54:27,371 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0#1) = 2*ULTIMATE.start_main_~z~0#1 + 1 Supporting invariants [] [2021-11-13 17:54:27,395 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (30)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:27,395 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-13 17:54:27,428 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:27,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:27,437 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:54:27,438 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:54:27,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:27,475 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:54:27,475 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:54:27,492 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:54:27,493 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-13 17:54:27,493 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2021-11-13 17:54:27,511 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 19 states and 24 transitions. Complement of second has 5 states. [2021-11-13 17:54:27,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-13 17:54:27,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2021-11-13 17:54:27,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2021-11-13 17:54:27,515 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-13 17:54:27,515 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:54:27,515 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 17:54:27,528 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:27,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:27,541 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:54:27,542 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:54:27,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:27,574 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:54:27,574 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:54:27,600 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:54:27,601 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-13 17:54:27,601 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2021-11-13 17:54:27,613 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 19 states and 24 transitions. Complement of second has 5 states. [2021-11-13 17:54:27,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-13 17:54:27,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2021-11-13 17:54:27,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 10 transitions. [2021-11-13 17:54:27,618 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 10 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-13 17:54:27,618 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:54:27,618 INFO L634 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2021-11-13 17:54:27,629 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-13 17:54:27,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:27,635 INFO L263 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-13 17:54:27,636 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:54:27,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-13 17:54:27,669 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2021-11-13 17:54:27,670 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-13 17:54:27,692 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-13 17:54:27,694 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-11-13 17:54:27,694 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9 Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2021-11-13 17:54:27,715 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 17 states and 22 transitions. cyclomatic complexity: 9. Second operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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 22 states and 28 transitions. Complement of second has 4 states. [2021-11-13 17:54:27,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-13 17:54:27,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 3 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) [2021-11-13 17:54:27,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2021-11-13 17:54:27,720 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 2 letters. [2021-11-13 17:54:27,720 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:54:27,721 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 12 letters. Loop has 2 letters. [2021-11-13 17:54:27,721 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:54:27,722 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 10 letters. Loop has 4 letters. [2021-11-13 17:54:27,722 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-13 17:54:27,722 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 28 transitions. [2021-11-13 17:54:27,725 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 17:54:27,726 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 0 states and 0 transitions. [2021-11-13 17:54:27,726 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-13 17:54:27,726 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-13 17:54:27,726 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-13 17:54:27,726 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-13 17:54:27,727 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 17:54:27,727 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 17:54:27,727 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-13 17:54:27,727 INFO L425 BuchiCegarLoop]: ======== Iteration 5============ [2021-11-13 17:54:27,727 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-13 17:54:27,727 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-13 17:54:27,727 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-13 17:54:27,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.11 05:54:27 BoogieIcfgContainer [2021-11-13 17:54:27,735 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-13 17:54:27,736 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-13 17:54:27,736 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-13 17:54:27,736 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-13 17:54:27,737 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.11 05:54:23" (3/4) ... [2021-11-13 17:54:27,739 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-13 17:54:27,739 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-13 17:54:27,740 INFO L158 Benchmark]: Toolchain (without parser) took 5163.56ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 68.9MB in the beginning and 69.9MB in the end (delta: -968.6kB). Peak memory consumption was 37.7MB. Max. memory is 16.1GB. [2021-11-13 17:54:27,740 INFO L158 Benchmark]: CDTParser took 0.35ms. Allocated memory is still 102.8MB. Free memory was 56.0MB in the beginning and 56.0MB in the end (delta: 50.0kB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:54:27,741 INFO L158 Benchmark]: CACSL2BoogieTranslator took 289.99ms. Allocated memory is still 102.8MB. Free memory was 68.7MB in the beginning and 78.8MB in the end (delta: -10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 17:54:27,741 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.71ms. Allocated memory is still 102.8MB. Free memory was 78.8MB in the beginning and 77.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:54:27,742 INFO L158 Benchmark]: Boogie Preprocessor took 21.39ms. Allocated memory is still 102.8MB. Free memory was 77.4MB in the beginning and 76.4MB in the end (delta: 955.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-11-13 17:54:27,743 INFO L158 Benchmark]: RCFGBuilder took 282.55ms. Allocated memory is still 102.8MB. Free memory was 76.4MB in the beginning and 68.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-11-13 17:54:27,744 INFO L158 Benchmark]: BuchiAutomizer took 4525.38ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 68.4MB in the beginning and 69.9MB in the end (delta: -1.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. [2021-11-13 17:54:27,744 INFO L158 Benchmark]: Witness Printer took 3.20ms. Allocated memory is still 142.6MB. Free memory is still 69.9MB. There was no memory consumed. Max. memory is 16.1GB. [2021-11-13 17:54:27,747 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35ms. Allocated memory is still 102.8MB. Free memory was 56.0MB in the beginning and 56.0MB in the end (delta: 50.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 289.99ms. Allocated memory is still 102.8MB. Free memory was 68.7MB in the beginning and 78.8MB in the end (delta: -10.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.71ms. Allocated memory is still 102.8MB. Free memory was 78.8MB in the beginning and 77.4MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 21.39ms. Allocated memory is still 102.8MB. Free memory was 77.4MB in the beginning and 76.4MB in the end (delta: 955.5kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 282.55ms. Allocated memory is still 102.8MB. Free memory was 76.4MB in the beginning and 68.4MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 4525.38ms. Allocated memory was 102.8MB in the beginning and 142.6MB in the end (delta: 39.8MB). Free memory was 68.4MB in the beginning and 69.9MB in the end (delta: -1.5MB). Peak memory consumption was 38.6MB. Max. memory is 16.1GB. * Witness Printer took 3.20ms. Allocated memory is still 142.6MB. Free memory is still 69.9MB. 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 4 terminating modules (0 trivial, 3 deterministic, 1 nondeterministic). One deterministic module has affine ranking function 2 * z + 1 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 2 * z + 1 and consists of 3 locations. One nondeterministic module has affine ranking function 2 * z + 1 and consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.4s and 5 iterations. TraceHistogramMax:2. Analysis of lassos took 3.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.7s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 3. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 17 states and ocurred in iteration 3. Nontrivial modules had stage [3, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 55 SdHoareTripleChecker+Valid, 71.23ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 49 mSDsluCounter, 64 SdHoareTripleChecker+Invalid, 52.33ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 12 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 37 IncrementalHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 12 mSolverCounterUnsat, 56 mSDtfsCounter, 37 mSolverCounterSat, 6.38ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT4 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax165 hnf100 lsp33 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq156 hnf93 smp100 dnf100 smp100 tf113 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 49ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 4 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.9s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-11-13 17:54:27,805 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (31)] Forceful destruction successful, exit code 0 [2021-11-13 17:54:28,010 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (27)] Ended with exit code 0 [2021-11-13 17:54:28,211 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_e09e4311-c143-4bdf-b04d-47c7eeba196a/bin/uautomizer-YU5uOKAj3y/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