./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/b.09_assume.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 839c364b Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/b.09_assume.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa --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 ecd53fc1983ec7221b54e3467b23316f260ef4286a86531362dd236dd661ea1a --- Real Ultimate output --- This is Ultimate 0.2.2-hotfix-svcomp22-839c364 [2021-12-06 23:31:34,293 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-06 23:31:34,295 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-06 23:31:34,317 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-06 23:31:34,317 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-06 23:31:34,318 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-06 23:31:34,320 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-06 23:31:34,321 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-06 23:31:34,323 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-06 23:31:34,324 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-06 23:31:34,324 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-06 23:31:34,325 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-06 23:31:34,326 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-06 23:31:34,326 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-06 23:31:34,327 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-06 23:31:34,329 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-06 23:31:34,329 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-06 23:31:34,330 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-06 23:31:34,332 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-06 23:31:34,334 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-06 23:31:34,335 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-06 23:31:34,336 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-06 23:31:34,337 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-06 23:31:34,338 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-06 23:31:34,341 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-06 23:31:34,341 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-06 23:31:34,342 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-06 23:31:34,342 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-06 23:31:34,343 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-06 23:31:34,344 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-06 23:31:34,344 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-06 23:31:34,345 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-06 23:31:34,345 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-06 23:31:34,346 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-06 23:31:34,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-06 23:31:34,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-06 23:31:34,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-06 23:31:34,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-06 23:31:34,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-06 23:31:34,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-06 23:31:34,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-06 23:31:34,351 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/config/svcomp-Termination-64bit-Automizer_Default.epf [2021-12-06 23:31:34,380 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-06 23:31:34,380 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-06 23:31:34,380 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-06 23:31:34,380 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-06 23:31:34,382 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-06 23:31:34,382 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-06 23:31:34,382 INFO L138 SettingsManager]: * Use SBE=true [2021-12-06 23:31:34,382 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-12-06 23:31:34,382 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-12-06 23:31:34,383 INFO L138 SettingsManager]: * Use old map elimination=false [2021-12-06 23:31:34,383 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-12-06 23:31:34,383 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-12-06 23:31:34,383 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-12-06 23:31:34,383 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-06 23:31:34,384 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-06 23:31:34,384 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-06 23:31:34,384 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-06 23:31:34,384 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-12-06 23:31:34,384 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-12-06 23:31:34,384 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-12-06 23:31:34,385 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-06 23:31:34,385 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-12-06 23:31:34,385 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-06 23:31:34,385 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-12-06 23:31:34,385 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-06 23:31:34,386 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-06 23:31:34,386 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-06 23:31:34,386 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-06 23:31:34,386 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-06 23:31:34,387 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-12-06 23:31:34,388 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_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecd53fc1983ec7221b54e3467b23316f260ef4286a86531362dd236dd661ea1a [2021-12-06 23:31:34,582 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-06 23:31:34,597 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-06 23:31:34,598 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-06 23:31:34,599 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-06 23:31:34,600 INFO L275 PluginConnector]: CDTParser initialized [2021-12-06 23:31:34,601 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/../../sv-benchmarks/c/termination-restricted-15/b.09_assume.c [2021-12-06 23:31:34,645 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/data/9b2e95089/152c3bfc10f7482591dbaaa2964508a5/FLAGfe1be49d5 [2021-12-06 23:31:35,003 INFO L306 CDTParser]: Found 1 translation units. [2021-12-06 23:31:35,003 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/sv-benchmarks/c/termination-restricted-15/b.09_assume.c [2021-12-06 23:31:35,008 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/data/9b2e95089/152c3bfc10f7482591dbaaa2964508a5/FLAGfe1be49d5 [2021-12-06 23:31:35,019 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/data/9b2e95089/152c3bfc10f7482591dbaaa2964508a5 [2021-12-06 23:31:35,021 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-06 23:31:35,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-06 23:31:35,024 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-06 23:31:35,024 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-06 23:31:35,026 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-06 23:31:35,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:31:35" (1/1) ... [2021-12-06 23:31:35,028 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@47c64a39 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:31:35, skipping insertion in model container [2021-12-06 23:31:35,028 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.12 11:31:35" (1/1) ... [2021-12-06 23:31:35,037 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-06 23:31:35,046 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-06 23:31:35,149 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:31:35,151 INFO L203 MainTranslator]: Completed pre-run [2021-12-06 23:31:35,161 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-06 23:31:35,169 INFO L208 MainTranslator]: Completed translation [2021-12-06 23:31:35,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:31:35 WrapperNode [2021-12-06 23:31:35,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-06 23:31:35,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-06 23:31:35,171 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-06 23:31:35,171 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-06 23:31:35,177 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:31:35" (1/1) ... [2021-12-06 23:31:35,180 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:31:35" (1/1) ... [2021-12-06 23:31:35,192 INFO L137 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 21 [2021-12-06 23:31:35,192 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-06 23:31:35,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-06 23:31:35,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-06 23:31:35,193 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-06 23:31:35,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:31:35" (1/1) ... [2021-12-06 23:31:35,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:31:35" (1/1) ... [2021-12-06 23:31:35,199 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:31:35" (1/1) ... [2021-12-06 23:31:35,199 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:31:35" (1/1) ... [2021-12-06 23:31:35,201 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:31:35" (1/1) ... [2021-12-06 23:31:35,204 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:31:35" (1/1) ... [2021-12-06 23:31:35,205 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:31:35" (1/1) ... [2021-12-06 23:31:35,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-06 23:31:35,206 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-06 23:31:35,206 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-06 23:31:35,206 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-06 23:31:35,207 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:31:35" (1/1) ... [2021-12-06 23:31:35,214 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:31:35,223 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:31:35,232 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:31:35,235 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-12-06 23:31:35,262 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-06 23:31:35,262 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-06 23:31:35,304 INFO L236 CfgBuilder]: Building ICFG [2021-12-06 23:31:35,305 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-06 23:31:35,352 INFO L277 CfgBuilder]: Performing block encoding [2021-12-06 23:31:35,357 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-06 23:31:35,358 INFO L301 CfgBuilder]: Removed 1 assume(true) statements. [2021-12-06 23:31:35,359 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:31:35 BoogieIcfgContainer [2021-12-06 23:31:35,359 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-06 23:31:35,360 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-12-06 23:31:35,360 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-12-06 23:31:35,362 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-12-06 23:31:35,362 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:31:35,363 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 06.12 11:31:35" (1/3) ... [2021-12-06 23:31:35,363 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13bebcec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:31:35, skipping insertion in model container [2021-12-06 23:31:35,363 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:31:35,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.12 11:31:35" (2/3) ... [2021-12-06 23:31:35,364 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@13bebcec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 06.12 11:31:35, skipping insertion in model container [2021-12-06 23:31:35,364 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-12-06 23:31:35,364 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:31:35" (3/3) ... [2021-12-06 23:31:35,365 INFO L388 chiAutomizerObserver]: Analyzing ICFG b.09_assume.c [2021-12-06 23:31:35,403 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-12-06 23:31:35,403 INFO L360 BuchiCegarLoop]: Hoare is false [2021-12-06 23:31:35,403 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-12-06 23:31:35,403 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-12-06 23:31:35,403 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-12-06 23:31:35,403 INFO L364 BuchiCegarLoop]: Difference is false [2021-12-06 23:31:35,403 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-12-06 23:31:35,404 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-12-06 23:31:35,413 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:31:35,431 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 23:31:35,431 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:31:35,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:31:35,436 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-06 23:31:35,436 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 23:31:35,437 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-12-06 23:31:35,437 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-06 23:31:35,438 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-12-06 23:31:35,439 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-12-06 23:31:35,439 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-12-06 23:31:35,439 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-12-06 23:31:35,439 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-12-06 23:31:35,445 INFO L791 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 10#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_~c~0#1, main_~x~0#1, main_~y~0#1;havoc main_~c~0#1;havoc main_~x~0#1;havoc main_~y~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~c~0#1 := 0; 11#L11true assume main_~y~0#1 > 0; 3#L12-2true [2021-12-06 23:31:35,446 INFO L793 eck$LassoCheckResult]: Loop: 3#L12-2true assume !!(main_~x~0#1 > 0); 7#L13true assume main_~x~0#1 > main_~y~0#1;main_~x~0#1 := main_~y~0#1; 9#L13-2true main_~c~0#1 := 1 + main_~c~0#1; 3#L12-2true [2021-12-06 23:31:35,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:31:35,451 INFO L85 PathProgramCache]: Analyzing trace with hash 29858, now seen corresponding path program 1 times [2021-12-06 23:31:35,459 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:31:35,460 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [348699951] [2021-12-06 23:31:35,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:31:35,461 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:31:35,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:31:35,536 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:31:35,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:31:35,551 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:31:35,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:31:35,554 INFO L85 PathProgramCache]: Analyzing trace with hash 43793, now seen corresponding path program 1 times [2021-12-06 23:31:35,554 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:31:35,555 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346963128] [2021-12-06 23:31:35,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:31:35,555 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:31:35,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:31:35,567 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:31:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:31:35,574 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:31:35,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:31:35,576 INFO L85 PathProgramCache]: Analyzing trace with hash 889513680, now seen corresponding path program 1 times [2021-12-06 23:31:35,576 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-06 23:31:35,577 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [600437808] [2021-12-06 23:31:35,577 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-06 23:31:35,577 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-06 23:31:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:31:35,587 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-06 23:31:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-06 23:31:35,595 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-06 23:31:35,660 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:31:35,660 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:31:35,660 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:31:35,660 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:31:35,660 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-12-06 23:31:35,660 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:31:35,661 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:31:35,661 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:31:35,661 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume.c_Iteration1_Loop [2021-12-06 23:31:35,661 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:31:35,661 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:31:35,674 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:31:35,679 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:31:35,682 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:31:35,685 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:31:35,731 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:31:35,731 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-12-06 23:31:35,732 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:31:35,733 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:31:35,734 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:31:35,734 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-12-06 23:31:35,735 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:31:35,735 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:31:35,756 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 23:31:35,756 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: [] [2021-12-06 23:31:35,776 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-12-06 23:31:35,776 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:31:35,776 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:31:35,777 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:31:35,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-12-06 23:31:35,778 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:31:35,778 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:31:35,791 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 23:31:35,791 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: [] [2021-12-06 23:31:35,810 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2021-12-06 23:31:35,810 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:31:35,811 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:31:35,811 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:31:35,812 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-12-06 23:31:35,813 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:31:35,813 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:31:35,839 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2021-12-06 23:31:35,840 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:31:35,840 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:31:35,841 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:31:35,841 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-12-06 23:31:35,842 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 23:31:35,842 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:31:35,863 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-12-06 23:31:35,863 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0#1=0} Honda state: {ULTIMATE.start_main_~c~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0#1=0}, {ULTIMATE.start_main_~c~0#1=2}, {ULTIMATE.start_main_~c~0#1=-1}] Lambdas: [6, 1, 1] Nus: [0, 0] [2021-12-06 23:31:35,882 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2021-12-06 23:31:35,883 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:31:35,883 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:31:35,884 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:31:35,884 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-12-06 23:31:35,885 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-12-06 23:31:35,885 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:31:35,918 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2021-12-06 23:31:35,918 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:31:35,918 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:31:35,919 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:31:35,920 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-12-06 23:31:35,920 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-12-06 23:31:35,920 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-12-06 23:31:36,060 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-12-06 23:31:36,063 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-12-06 23:31:36,063 INFO L210 LassoAnalysis]: Preferences: [2021-12-06 23:31:36,063 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-12-06 23:31:36,063 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-12-06 23:31:36,063 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-12-06 23:31:36,063 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-12-06 23:31:36,063 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:31:36,063 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-12-06 23:31:36,063 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-12-06 23:31:36,063 INFO L133 ssoRankerPreferences]: Filename of dumped script: b.09_assume.c_Iteration1_Loop [2021-12-06 23:31:36,063 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-12-06 23:31:36,063 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-12-06 23:31:36,065 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:31:36,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:31:36,068 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:31:36,070 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-12-06 23:31:36,106 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-12-06 23:31:36,112 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-12-06 23:31:36,113 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:31:36,113 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:31:36,114 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:31:36,115 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-12-06 23:31:36,115 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 [2021-12-06 23:31:36,122 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:31:36,123 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:31:36,123 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:31:36,123 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:31:36,127 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:31:36,127 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:31:36,131 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:31:36,150 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2021-12-06 23:31:36,150 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:31:36,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:31:36,151 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:31:36,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-12-06 23:31:36,152 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 [2021-12-06 23:31:36,159 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:31:36,160 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:31:36,160 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:31:36,160 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:31:36,164 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2021-12-06 23:31:36,164 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2021-12-06 23:31:36,168 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:31:36,187 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-12-06 23:31:36,187 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:31:36,187 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:31:36,188 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:31:36,189 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-12-06 23:31:36,190 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-12-06 23:31:36,197 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:31:36,197 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:31:36,197 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:31:36,198 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:31:36,198 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:31:36,199 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:31:36,199 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:31:36,201 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-12-06 23:31:36,219 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-12-06 23:31:36,219 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:31:36,219 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:31:36,220 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:31:36,221 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-12-06 23:31:36,222 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 [2021-12-06 23:31:36,229 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-12-06 23:31:36,230 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-12-06 23:31:36,230 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-12-06 23:31:36,230 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-12-06 23:31:36,230 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-12-06 23:31:36,231 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-12-06 23:31:36,231 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-12-06 23:31:36,233 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-12-06 23:31:36,236 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2021-12-06 23:31:36,236 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-12-06 23:31:36,237 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-12-06 23:31:36,238 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 [2021-12-06 23:31:36,239 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-12-06 23:31:36,240 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2021-12-06 23:31:36,241 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-12-06 23:31:36,241 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-12-06 23:31:36,241 INFO L513 LassoAnalysis]: Proved termination. [2021-12-06 23:31:36,241 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2021-12-06 23:31:36,260 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-12-06 23:31:36,262 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-12-06 23:31:36,274 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-06 23:31:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:31:36,281 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2021-12-06 23:31:36,281 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:31:36,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-12-06 23:31:36,292 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2021-12-06 23:31:36,292 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-12-06 23:31:36,332 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-12-06 23:31:36,357 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-12-06 23:31:36,358 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2021-12-06 23:31:36,387 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.4444444444444444) internal successors, (13), 9 states have internal predecessors, (13), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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 27 states and 31 transitions. Complement of second has 7 states. [2021-12-06 23:31:36,388 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 [2021-12-06 23:31:36,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.5) internal successors, (6), 4 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) [2021-12-06 23:31:36,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 22 transitions. [2021-12-06 23:31:36,393 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 3 letters. Loop has 3 letters. [2021-12-06 23:31:36,394 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:31:36,394 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 6 letters. Loop has 3 letters. [2021-12-06 23:31:36,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:31:36,395 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 22 transitions. Stem has 3 letters. Loop has 6 letters. [2021-12-06 23:31:36,395 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-12-06 23:31:36,396 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 31 transitions. [2021-12-06 23:31:36,398 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:31:36,400 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2021-12-06 23:31:36,400 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-12-06 23:31:36,400 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-12-06 23:31:36,401 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-12-06 23:31:36,401 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-12-06 23:31:36,401 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:31:36,401 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:31:36,401 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-12-06 23:31:36,401 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-12-06 23:31:36,401 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-12-06 23:31:36,401 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-12-06 23:31:36,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-12-06 23:31:36,406 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 06.12 11:31:36 BoogieIcfgContainer [2021-12-06 23:31:36,406 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-12-06 23:31:36,406 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-06 23:31:36,407 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-06 23:31:36,407 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-06 23:31:36,407 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 06.12 11:31:35" (3/4) ... [2021-12-06 23:31:36,409 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-12-06 23:31:36,409 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-06 23:31:36,410 INFO L158 Benchmark]: Toolchain (without parser) took 1387.27ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 53.4MB in the beginning and 75.8MB in the end (delta: -22.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:31:36,410 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:31:36,411 INFO L158 Benchmark]: CACSL2BoogieTranslator took 146.32ms. Allocated memory is still 96.5MB. Free memory was 53.2MB in the beginning and 73.1MB in the end (delta: -19.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2021-12-06 23:31:36,411 INFO L158 Benchmark]: Boogie Procedure Inliner took 21.64ms. Allocated memory is still 96.5MB. Free memory was 73.1MB in the beginning and 71.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:31:36,411 INFO L158 Benchmark]: Boogie Preprocessor took 12.65ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 70.7MB in the end (delta: 945.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-06 23:31:36,412 INFO L158 Benchmark]: RCFGBuilder took 152.98ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 62.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-06 23:31:36,412 INFO L158 Benchmark]: BuchiAutomizer took 1046.38ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 62.6MB in the beginning and 75.8MB in the end (delta: -13.2MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. [2021-12-06 23:31:36,413 INFO L158 Benchmark]: Witness Printer took 2.77ms. Allocated memory is still 117.4MB. Free memory is still 75.8MB. There was no memory consumed. Max. memory is 16.1GB. [2021-12-06 23:31:36,416 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 96.5MB. Free memory is still 69.5MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 146.32ms. Allocated memory is still 96.5MB. Free memory was 53.2MB in the beginning and 73.1MB in the end (delta: -19.8MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 21.64ms. Allocated memory is still 96.5MB. Free memory was 73.1MB in the beginning and 71.7MB in the end (delta: 1.4MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 12.65ms. Allocated memory is still 96.5MB. Free memory was 71.7MB in the beginning and 70.7MB in the end (delta: 945.0kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 152.98ms. Allocated memory is still 96.5MB. Free memory was 70.7MB in the beginning and 62.6MB in the end (delta: 8.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 1046.38ms. Allocated memory was 96.5MB in the beginning and 117.4MB in the end (delta: 21.0MB). Free memory was 62.6MB in the beginning and 75.8MB in the end (delta: -13.2MB). Peak memory consumption was 8.8MB. Max. memory is 16.1GB. * Witness Printer took 2.77ms. Allocated memory is still 117.4MB. Free memory is still 75.8MB. 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 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 12 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 11 mSDsluCounter, 19 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8 mSDsCounter, 3 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7 IncrementalHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3 mSolverCounterUnsat, 11 mSDtfsCounter, 7 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital16 mio100 ax175 hnf100 lsp39 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq136 hnf93 smp100 dnf100 smp100 tf114 neg100 sie125 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 18ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-12-06 23:31:36,442 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Ended with exit code 0 [2021-12-06 23:31:36,684 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_5c40a14f-2fad-4dee-9bb8-2595f05d8c1d/bin/uautomizer-DrprNOufMa/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE