./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/DivMinus.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 2329fc70 Calling Ultimate with: /usr/lib/jvm/java-11-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/DivMinus.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8 --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 994e912bd4544afb34dfd80da3167326cad668e93cc9b8e5e1266c7e92b136ec --- Real Ultimate output --- [0.001s][warning][os,container] Duplicate cpuset controllers detected. Picking /sys/fs/cgroup/cpuset, skipping /sys/fs/cgroup/cpuset. This is Ultimate 0.2.2-dev-2329fc7 [2022-12-13 14:13:50,288 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-12-13 14:13:50,289 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-12-13 14:13:50,307 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-12-13 14:13:50,308 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-12-13 14:13:50,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-12-13 14:13:50,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-12-13 14:13:50,312 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-12-13 14:13:50,313 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-12-13 14:13:50,314 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-12-13 14:13:50,315 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-12-13 14:13:50,316 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-12-13 14:13:50,316 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-12-13 14:13:50,317 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-12-13 14:13:50,318 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-12-13 14:13:50,320 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-12-13 14:13:50,320 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-12-13 14:13:50,321 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-12-13 14:13:50,323 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-12-13 14:13:50,325 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-12-13 14:13:50,326 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-12-13 14:13:50,327 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-12-13 14:13:50,329 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-12-13 14:13:50,329 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-12-13 14:13:50,333 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-12-13 14:13:50,333 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-12-13 14:13:50,334 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-12-13 14:13:50,335 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-12-13 14:13:50,335 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-12-13 14:13:50,336 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-12-13 14:13:50,336 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-12-13 14:13:50,337 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-12-13 14:13:50,338 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-12-13 14:13:50,339 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-12-13 14:13:50,340 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-12-13 14:13:50,340 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-12-13 14:13:50,340 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-12-13 14:13:50,341 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-12-13 14:13:50,341 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-12-13 14:13:50,342 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-12-13 14:13:50,342 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-12-13 14:13:50,343 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-12-13 14:13:50,366 INFO L113 SettingsManager]: Loading preferences was successful [2022-12-13 14:13:50,366 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-12-13 14:13:50,367 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-12-13 14:13:50,367 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-12-13 14:13:50,368 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-12-13 14:13:50,368 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-12-13 14:13:50,369 INFO L138 SettingsManager]: * Use SBE=true [2022-12-13 14:13:50,369 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-12-13 14:13:50,369 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-12-13 14:13:50,369 INFO L138 SettingsManager]: * Use old map elimination=false [2022-12-13 14:13:50,369 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-12-13 14:13:50,369 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-12-13 14:13:50,370 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-12-13 14:13:50,370 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-12-13 14:13:50,370 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-12-13 14:13:50,370 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-12-13 14:13:50,370 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-12-13 14:13:50,371 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-12-13 14:13:50,371 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-12-13 14:13:50,371 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-12-13 14:13:50,371 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-12-13 14:13:50,371 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-12-13 14:13:50,372 INFO L138 SettingsManager]: * Use constant arrays=true [2022-12-13 14:13:50,372 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-12-13 14:13:50,372 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-12-13 14:13:50,372 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-12-13 14:13:50,372 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-12-13 14:13:50,373 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-12-13 14:13:50,374 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-12-13 14:13:50,374 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_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 994e912bd4544afb34dfd80da3167326cad668e93cc9b8e5e1266c7e92b136ec [2022-12-13 14:13:50,566 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-12-13 14:13:50,583 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-12-13 14:13:50,585 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-12-13 14:13:50,586 INFO L271 PluginConnector]: Initializing CDTParser... [2022-12-13 14:13:50,586 INFO L275 PluginConnector]: CDTParser initialized [2022-12-13 14:13:50,587 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/../../sv-benchmarks/c/termination-restricted-15/DivMinus.c [2022-12-13 14:13:53,182 INFO L500 CDTParser]: Created temporary CDT project at NULL [2022-12-13 14:13:53,313 INFO L351 CDTParser]: Found 1 translation units. [2022-12-13 14:13:53,313 INFO L172 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/sv-benchmarks/c/termination-restricted-15/DivMinus.c [2022-12-13 14:13:53,317 INFO L394 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/data/1f9576053/5e2f5f72cd35447a862ecf9f6897f21c/FLAGabd187a3e [2022-12-13 14:13:53,328 INFO L402 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/data/1f9576053/5e2f5f72cd35447a862ecf9f6897f21c [2022-12-13 14:13:53,330 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-12-13 14:13:53,331 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-12-13 14:13:53,332 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-12-13 14:13:53,332 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-12-13 14:13:53,335 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-12-13 14:13:53,336 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:13:53" (1/1) ... [2022-12-13 14:13:53,337 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ebba75c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:13:53, skipping insertion in model container [2022-12-13 14:13:53,337 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.12 02:13:53" (1/1) ... [2022-12-13 14:13:53,343 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-12-13 14:13:53,351 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-12-13 14:13:53,458 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:13:53,463 INFO L203 MainTranslator]: Completed pre-run [2022-12-13 14:13:53,477 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-12-13 14:13:53,489 INFO L208 MainTranslator]: Completed translation [2022-12-13 14:13:53,489 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:13:53 WrapperNode [2022-12-13 14:13:53,489 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-12-13 14:13:53,490 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-12-13 14:13:53,490 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-12-13 14:13:53,490 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-12-13 14:13:53,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:13:53" (1/1) ... [2022-12-13 14:13:53,502 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:13:53" (1/1) ... [2022-12-13 14:13:53,518 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 18 [2022-12-13 14:13:53,518 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-12-13 14:13:53,519 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-12-13 14:13:53,519 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-12-13 14:13:53,519 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-12-13 14:13:53,529 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:13:53" (1/1) ... [2022-12-13 14:13:53,529 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:13:53" (1/1) ... [2022-12-13 14:13:53,529 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:13:53" (1/1) ... [2022-12-13 14:13:53,530 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:13:53" (1/1) ... [2022-12-13 14:13:53,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:13:53" (1/1) ... [2022-12-13 14:13:53,535 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:13:53" (1/1) ... [2022-12-13 14:13:53,536 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:13:53" (1/1) ... [2022-12-13 14:13:53,536 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:13:53" (1/1) ... [2022-12-13 14:13:53,537 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-12-13 14:13:53,538 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-12-13 14:13:53,538 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-12-13 14:13:53,539 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-12-13 14:13:53,539 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:13:53" (1/1) ... [2022-12-13 14:13:53,546 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:13:53,556 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:13:53,568 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:13:53,570 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-12-13 14:13:53,606 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-12-13 14:13:53,606 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-12-13 14:13:53,682 INFO L235 CfgBuilder]: Building ICFG [2022-12-13 14:13:53,684 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-12-13 14:13:53,728 INFO L276 CfgBuilder]: Performing block encoding [2022-12-13 14:13:53,733 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-12-13 14:13:53,733 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-12-13 14:13:53,735 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:13:53 BoogieIcfgContainer [2022-12-13 14:13:53,735 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-12-13 14:13:53,736 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-12-13 14:13:53,737 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-12-13 14:13:53,739 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-12-13 14:13:53,740 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:13:53,740 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 13.12 02:13:53" (1/3) ... [2022-12-13 14:13:53,741 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b918f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:13:53, skipping insertion in model container [2022-12-13 14:13:53,741 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:13:53,741 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.12 02:13:53" (2/3) ... [2022-12-13 14:13:53,742 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@b918f2a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 13.12 02:13:53, skipping insertion in model container [2022-12-13 14:13:53,742 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-12-13 14:13:53,742 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:13:53" (3/3) ... [2022-12-13 14:13:53,743 INFO L332 chiAutomizerObserver]: Analyzing ICFG DivMinus.c [2022-12-13 14:13:53,786 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-12-13 14:13:53,786 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-12-13 14:13:53,786 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-12-13 14:13:53,786 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-12-13 14:13:53,786 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-12-13 14:13:53,786 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-12-13 14:13:53,786 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-12-13 14:13:53,787 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-12-13 14:13:53,790 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:13:53,804 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-12-13 14:13:53,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:13:53,804 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:13:53,808 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 14:13:53,808 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-12-13 14:13:53,808 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-12-13 14:13:53,809 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:13:53,809 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2022-12-13 14:13:53,809 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-12-13 14:13:53,809 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-12-13 14:13:53,809 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-12-13 14:13:53,810 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1] [2022-12-13 14:13:53,815 INFO L748 eck$LassoCheckResult]: Stem: 5#$Ultimate##0true assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_#t~nondet1#1, main_~x~0#1, main_~y~0#1, main_~res~0#1;havoc main_~x~0#1;havoc main_~y~0#1;havoc main_~res~0#1;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;main_~y~0#1 := main_#t~nondet1#1;havoc main_#t~nondet1#1;main_~res~0#1 := 0; 4#L13-2true [2022-12-13 14:13:53,816 INFO L750 eck$LassoCheckResult]: Loop: 4#L13-2true assume !!(main_~x~0#1 >= main_~y~0#1 && main_~y~0#1 > 0);main_~x~0#1 := main_~x~0#1 - main_~y~0#1;main_~res~0#1 := 1 + main_~res~0#1; 4#L13-2true [2022-12-13 14:13:53,820 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:13:53,820 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-12-13 14:13:53,827 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:13:53,828 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1955175963] [2022-12-13 14:13:53,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:13:53,828 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:13:53,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:13:53,885 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:13:53,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:13:53,899 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:13:53,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:13:53,902 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2022-12-13 14:13:53,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:13:53,903 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [688405607] [2022-12-13 14:13:53,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:13:53,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:13:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:13:53,912 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:13:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:13:53,916 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:13:53,918 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:13:53,918 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2022-12-13 14:13:53,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-12-13 14:13:53,919 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [716278448] [2022-12-13 14:13:53,919 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-12-13 14:13:53,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-12-13 14:13:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:13:53,929 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-12-13 14:13:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-12-13 14:13:53,937 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-12-13 14:13:54,010 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:13:54,010 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:13:54,010 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:13:54,010 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:13:54,010 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-12-13 14:13:54,011 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:13:54,011 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:13:54,011 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:13:54,011 INFO L133 ssoRankerPreferences]: Filename of dumped script: DivMinus.c_Iteration1_Loop [2022-12-13 14:13:54,011 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:13:54,011 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:13:54,032 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:13:54,044 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:13:54,048 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:13:54,052 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:13:54,124 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:13:54,125 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-12-13 14:13:54,128 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:13:54,129 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:13:54,130 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:13:54,131 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-12-13 14:13:54,132 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 14:13:54,133 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:13:54,149 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-12-13 14:13:54,150 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:13:54,150 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:13:54,151 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:13:54,152 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-12-13 14:13:54,153 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 14:13:54,153 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:13:54,187 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 14:13:54,187 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~res~0#1=0} Honda state: {ULTIMATE.start_main_~res~0#1=0} Generalized eigenvectors: [{ULTIMATE.start_main_~res~0#1=1}, {ULTIMATE.start_main_~res~0#1=0}, {ULTIMATE.start_main_~res~0#1=0}] Lambdas: [1, 12, 0] Nus: [1, 0] [2022-12-13 14:13:54,190 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Ended with exit code 0 [2022-12-13 14:13:54,191 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:13:54,191 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:13:54,192 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:13:54,193 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-12-13 14:13:54,194 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 14:13:54,194 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:13:54,213 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 14:13:54,213 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 14:13:54,216 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Ended with exit code 0 [2022-12-13 14:13:54,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:13:54,217 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:13:54,218 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:13:54,219 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-12-13 14:13:54,220 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 14:13:54,221 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:13:54,239 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-12-13 14:13:54,239 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-12-13 14:13:54,242 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Ended with exit code 0 [2022-12-13 14:13:54,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:13:54,243 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:13:54,244 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:13:54,245 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-12-13 14:13:54,246 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-12-13 14:13:54,246 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:13:54,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Ended with exit code 0 [2022-12-13 14:13:54,262 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:13:54,263 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:13:54,264 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:13:54,264 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-12-13 14:13:54,266 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-12-13 14:13:54,266 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-12-13 14:13:54,378 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-12-13 14:13:54,382 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2022-12-13 14:13:54,382 INFO L210 LassoAnalysis]: Preferences: [2022-12-13 14:13:54,382 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-12-13 14:13:54,382 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-12-13 14:13:54,382 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-12-13 14:13:54,382 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-12-13 14:13:54,383 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:13:54,383 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-12-13 14:13:54,383 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-12-13 14:13:54,383 INFO L133 ssoRankerPreferences]: Filename of dumped script: DivMinus.c_Iteration1_Loop [2022-12-13 14:13:54,383 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-12-13 14:13:54,383 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-12-13 14:13:54,385 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:13:54,389 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:13:54,392 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:13:54,394 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-12-13 14:13:54,440 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-12-13 14:13:54,443 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-12-13 14:13:54,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:13:54,445 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:13:54,445 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:13:54,446 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-12-13 14:13:54,448 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 14:13:54,458 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:13:54,458 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:13:54,459 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:13:54,459 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:13:54,459 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:13:54,461 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:13:54,461 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:13:54,463 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:13:54,466 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Ended with exit code 0 [2022-12-13 14:13:54,466 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:13:54,467 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:13:54,467 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:13:54,477 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-12-13 14:13:54,480 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 14:13:54,493 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:13:54,493 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:13:54,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:13:54,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:13:54,497 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:13:54,497 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:13:54,502 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:13:54,505 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-12-13 14:13:54,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:13:54,506 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:13:54,506 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:13:54,507 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-12-13 14:13:54,509 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 14:13:54,518 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:13:54,519 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:13:54,519 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:13:54,519 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:13:54,521 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2022-12-13 14:13:54,522 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2022-12-13 14:13:54,526 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2022-12-13 14:13:54,530 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2022-12-13 14:13:54,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:13:54,530 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:13:54,531 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:13:54,532 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-12-13 14:13:54,533 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-12-13 14:13:54,544 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-12-13 14:13:54,544 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-12-13 14:13:54,544 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-12-13 14:13:54,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-12-13 14:13:54,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-12-13 14:13:54,546 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-12-13 14:13:54,546 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-12-13 14:13:54,549 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-12-13 14:13:54,554 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2022-12-13 14:13:54,554 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 2 variables to zero. [2022-12-13 14:13:54,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-12-13 14:13:54,555 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 [2022-12-13 14:13:54,581 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-12-13 14:13:54,582 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-12-13 14:13:54,583 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-12-13 14:13:54,583 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-12-13 14:13:54,583 INFO L513 LassoAnalysis]: Proved termination. [2022-12-13 14:13:54,583 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0#1) = 1*ULTIMATE.start_main_~x~0#1 Supporting invariants [] [2022-12-13 14:13:54,586 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-12-13 14:13:54,588 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-12-13 14:13:54,604 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-12-13 14:13:54,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:13:54,611 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-12-13 14:13:54,611 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:13:54,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-12-13 14:13:54,621 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 5 conjunts are in the unsatisfiable core [2022-12-13 14:13:54,622 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-12-13 14:13:54,622 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-12-13 14:13:54,646 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2022-12-13 14:13:54,647 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:13:54,670 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 7 states, 6 states have (on average 1.3333333333333333) internal successors, (8), 6 states have internal predecessors, (8), 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 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 19 transitions. Complement of second has 5 states. [2022-12-13 14:13:54,671 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-12-13 14:13:54,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-12-13 14:13:54,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 11 transitions. [2022-12-13 14:13:54,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 1 letters. [2022-12-13 14:13:54,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:13:54,676 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 3 letters. Loop has 1 letters. [2022-12-13 14:13:54,676 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:13:54,677 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 11 transitions. Stem has 2 letters. Loop has 2 letters. [2022-12-13 14:13:54,677 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-12-13 14:13:54,677 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 19 transitions. [2022-12-13 14:13:54,679 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 14:13:54,680 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2022-12-13 14:13:54,681 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2022-12-13 14:13:54,681 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2022-12-13 14:13:54,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2022-12-13 14:13:54,682 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-12-13 14:13:54,682 INFO L218 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:13:54,682 INFO L240 hiAutomatonCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:13:54,682 INFO L428 stractBuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2022-12-13 14:13:54,682 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-12-13 14:13:54,682 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2022-12-13 14:13:54,682 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2022-12-13 14:13:54,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2022-12-13 14:13:54,687 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 13.12 02:13:54 BoogieIcfgContainer [2022-12-13 14:13:54,687 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-12-13 14:13:54,688 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-12-13 14:13:54,688 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-12-13 14:13:54,688 INFO L275 PluginConnector]: Witness Printer initialized [2022-12-13 14:13:54,688 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.12 02:13:53" (3/4) ... [2022-12-13 14:13:54,690 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-12-13 14:13:54,690 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-12-13 14:13:54,691 INFO L158 Benchmark]: Toolchain (without parser) took 1359.98ms. Allocated memory is still 151.0MB. Free memory was 110.9MB in the beginning and 108.8MB in the end (delta: 2.1MB). Peak memory consumption was 3.7MB. Max. memory is 16.1GB. [2022-12-13 14:13:54,691 INFO L158 Benchmark]: CDTParser took 0.10ms. Allocated memory is still 113.2MB. Free memory was 87.4MB in the beginning and 87.3MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:13:54,692 INFO L158 Benchmark]: CACSL2BoogieTranslator took 157.50ms. Allocated memory is still 151.0MB. Free memory was 110.9MB in the beginning and 101.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 14:13:54,692 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.31ms. Allocated memory is still 151.0MB. Free memory was 101.8MB in the beginning and 100.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-12-13 14:13:54,693 INFO L158 Benchmark]: Boogie Preprocessor took 18.41ms. Allocated memory is still 151.0MB. Free memory was 100.4MB in the beginning and 99.8MB in the end (delta: 581.1kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:13:54,693 INFO L158 Benchmark]: RCFGBuilder took 197.56ms. Allocated memory is still 151.0MB. Free memory was 99.4MB in the beginning and 91.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-12-13 14:13:54,693 INFO L158 Benchmark]: BuchiAutomizer took 950.87ms. Allocated memory is still 151.0MB. Free memory was 91.0MB in the beginning and 109.6MB in the end (delta: -18.6MB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:13:54,694 INFO L158 Benchmark]: Witness Printer took 2.80ms. Allocated memory is still 151.0MB. Free memory was 109.6MB in the beginning and 108.8MB in the end (delta: 774.3kB). There was no memory consumed. Max. memory is 16.1GB. [2022-12-13 14:13:54,696 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10ms. Allocated memory is still 113.2MB. Free memory was 87.4MB in the beginning and 87.3MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 157.50ms. Allocated memory is still 151.0MB. Free memory was 110.9MB in the beginning and 101.8MB in the end (delta: 9.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.31ms. Allocated memory is still 151.0MB. Free memory was 101.8MB in the beginning and 100.4MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 18.41ms. Allocated memory is still 151.0MB. Free memory was 100.4MB in the beginning and 99.8MB in the end (delta: 581.1kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 197.56ms. Allocated memory is still 151.0MB. Free memory was 99.4MB in the beginning and 91.4MB in the end (delta: 8.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 950.87ms. Allocated memory is still 151.0MB. Free memory was 91.0MB in the beginning and 109.6MB in the end (delta: -18.6MB). There was no memory consumed. Max. memory is 16.1GB. * Witness Printer took 2.80ms. Allocated memory is still 151.0MB. Free memory was 109.6MB in the beginning and 108.8MB in the end (delta: 774.3kB). 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 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 6 SdHoareTripleChecker+Valid, 0.0s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 5 mSDsluCounter, 8 SdHoareTripleChecker+Invalid, 0.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 3 mSDsCounter, 1 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3 IncrementalHoareTripleChecker+Invalid, 4 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 1 mSolverCounterUnsat, 5 mSDtfsCounter, 3 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital18 mio100 ax166 hnf100 lsp43 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq146 hnf94 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 36ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2022-12-13 14:13:54,706 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-12-13 14:13:54,910 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_7ccceecd-ac19-4a1d-ac8f-43e40336d010/bin/uautomizer-uyxdKDjOR8/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