./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-bwb/or-02.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8393723b 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_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-bwb/or-02.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro --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 7598e0946f5292d261b929b388079f7fb794bee1a1e7afaa45add76236cc5a38 --- 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-8393723 [2022-11-18 19:51:56,828 INFO L177 SettingsManager]: Resetting all preferences to default values... [2022-11-18 19:51:56,831 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2022-11-18 19:51:56,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2022-11-18 19:51:56,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2022-11-18 19:51:56,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2022-11-18 19:51:56,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2022-11-18 19:51:56,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2022-11-18 19:51:56,856 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2022-11-18 19:51:56,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2022-11-18 19:51:56,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2022-11-18 19:51:56,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2022-11-18 19:51:56,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2022-11-18 19:51:56,862 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2022-11-18 19:51:56,863 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2022-11-18 19:51:56,864 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2022-11-18 19:51:56,865 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2022-11-18 19:51:56,866 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2022-11-18 19:51:56,869 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2022-11-18 19:51:56,871 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2022-11-18 19:51:56,873 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2022-11-18 19:51:56,878 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2022-11-18 19:51:56,879 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2022-11-18 19:51:56,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2022-11-18 19:51:56,884 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2022-11-18 19:51:56,885 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2022-11-18 19:51:56,885 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2022-11-18 19:51:56,886 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2022-11-18 19:51:56,887 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2022-11-18 19:51:56,888 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2022-11-18 19:51:56,889 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2022-11-18 19:51:56,890 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2022-11-18 19:51:56,898 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2022-11-18 19:51:56,901 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2022-11-18 19:51:56,903 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2022-11-18 19:51:56,903 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2022-11-18 19:51:56,905 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2022-11-18 19:51:56,905 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2022-11-18 19:51:56,906 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2022-11-18 19:51:56,907 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2022-11-18 19:51:56,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2022-11-18 19:51:56,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/config/svcomp-Termination-64bit-Automizer_Default.epf [2022-11-18 19:51:56,964 INFO L113 SettingsManager]: Loading preferences was successful [2022-11-18 19:51:56,968 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2022-11-18 19:51:56,969 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2022-11-18 19:51:56,970 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2022-11-18 19:51:56,972 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2022-11-18 19:51:56,973 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2022-11-18 19:51:56,973 INFO L138 SettingsManager]: * Use SBE=true [2022-11-18 19:51:56,973 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2022-11-18 19:51:56,974 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2022-11-18 19:51:56,974 INFO L138 SettingsManager]: * Use old map elimination=false [2022-11-18 19:51:56,975 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2022-11-18 19:51:56,976 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2022-11-18 19:51:56,976 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2022-11-18 19:51:56,977 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2022-11-18 19:51:56,977 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2022-11-18 19:51:56,978 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2022-11-18 19:51:56,978 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2022-11-18 19:51:56,978 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2022-11-18 19:51:56,979 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2022-11-18 19:51:56,979 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2022-11-18 19:51:56,979 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2022-11-18 19:51:56,980 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2022-11-18 19:51:56,980 INFO L138 SettingsManager]: * Use constant arrays=true [2022-11-18 19:51:56,981 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2022-11-18 19:51:56,981 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2022-11-18 19:51:56,981 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2022-11-18 19:51:56,982 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2022-11-18 19:51:56,982 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2022-11-18 19:51:56,983 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2022-11-18 19:51:56,984 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_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7598e0946f5292d261b929b388079f7fb794bee1a1e7afaa45add76236cc5a38 [2022-11-18 19:51:57,312 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2022-11-18 19:51:57,341 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2022-11-18 19:51:57,348 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2022-11-18 19:51:57,350 INFO L271 PluginConnector]: Initializing CDTParser... [2022-11-18 19:51:57,352 INFO L275 PluginConnector]: CDTParser initialized [2022-11-18 19:51:57,353 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/../../sv-benchmarks/c/termination-bwb/or-02.c [2022-11-18 19:51:57,449 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/data/dde1d8554/9697f7e4565742cdb2baa25bb58acaf7/FLAGd9926ac39 [2022-11-18 19:51:57,927 INFO L306 CDTParser]: Found 1 translation units. [2022-11-18 19:51:57,928 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/sv-benchmarks/c/termination-bwb/or-02.c [2022-11-18 19:51:57,936 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/data/dde1d8554/9697f7e4565742cdb2baa25bb58acaf7/FLAGd9926ac39 [2022-11-18 19:51:58,332 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/data/dde1d8554/9697f7e4565742cdb2baa25bb58acaf7 [2022-11-18 19:51:58,336 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2022-11-18 19:51:58,339 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2022-11-18 19:51:58,343 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2022-11-18 19:51:58,344 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2022-11-18 19:51:58,348 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2022-11-18 19:51:58,349 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:51:58" (1/1) ... [2022-11-18 19:51:58,351 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77945b7b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:58, skipping insertion in model container [2022-11-18 19:51:58,351 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 07:51:58" (1/1) ... [2022-11-18 19:51:58,359 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2022-11-18 19:51:58,374 INFO L178 MainTranslator]: Built tables and reachable declarations [2022-11-18 19:51:58,608 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:51:58,639 INFO L203 MainTranslator]: Completed pre-run [2022-11-18 19:51:58,653 INFO L210 PostProcessor]: Analyzing one entry point: main [2022-11-18 19:51:58,667 INFO L208 MainTranslator]: Completed translation [2022-11-18 19:51:58,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:58 WrapperNode [2022-11-18 19:51:58,668 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2022-11-18 19:51:58,669 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2022-11-18 19:51:58,670 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2022-11-18 19:51:58,670 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2022-11-18 19:51:58,678 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:58" (1/1) ... [2022-11-18 19:51:58,685 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:58" (1/1) ... [2022-11-18 19:51:58,703 INFO L138 Inliner]: procedures = 4, calls = 2, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 22 [2022-11-18 19:51:58,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2022-11-18 19:51:58,704 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2022-11-18 19:51:58,704 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2022-11-18 19:51:58,705 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2022-11-18 19:51:58,715 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:58" (1/1) ... [2022-11-18 19:51:58,715 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:58" (1/1) ... [2022-11-18 19:51:58,716 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:58" (1/1) ... [2022-11-18 19:51:58,716 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:58" (1/1) ... [2022-11-18 19:51:58,719 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:58" (1/1) ... [2022-11-18 19:51:58,723 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:58" (1/1) ... [2022-11-18 19:51:58,724 INFO L185 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:58" (1/1) ... [2022-11-18 19:51:58,725 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:58" (1/1) ... [2022-11-18 19:51:58,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2022-11-18 19:51:58,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2022-11-18 19:51:58,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2022-11-18 19:51:58,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2022-11-18 19:51:58,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:58" (1/1) ... [2022-11-18 19:51:58,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:58,748 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:58,765 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:58,784 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2022-11-18 19:51:58,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2022-11-18 19:51:58,814 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2022-11-18 19:51:58,878 INFO L235 CfgBuilder]: Building ICFG [2022-11-18 19:51:58,880 INFO L261 CfgBuilder]: Building CFG for each procedure with an implementation [2022-11-18 19:51:58,975 INFO L276 CfgBuilder]: Performing block encoding [2022-11-18 19:51:58,982 INFO L295 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2022-11-18 19:51:58,983 INFO L300 CfgBuilder]: Removed 1 assume(true) statements. [2022-11-18 19:51:58,985 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:51:58 BoogieIcfgContainer [2022-11-18 19:51:58,985 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2022-11-18 19:51:58,986 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2022-11-18 19:51:58,986 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2022-11-18 19:51:58,993 INFO L275 PluginConnector]: BuchiAutomizer initialized [2022-11-18 19:51:58,994 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:51:58,994 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 18.11 07:51:58" (1/3) ... [2022-11-18 19:51:58,995 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@138598fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:51:58, skipping insertion in model container [2022-11-18 19:51:58,995 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:51:58,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 07:51:58" (2/3) ... [2022-11-18 19:51:58,996 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@138598fd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 18.11 07:51:58, skipping insertion in model container [2022-11-18 19:51:58,996 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2022-11-18 19:51:58,996 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:51:58" (3/3) ... [2022-11-18 19:51:58,998 INFO L332 chiAutomizerObserver]: Analyzing ICFG or-02.c [2022-11-18 19:51:59,094 INFO L303 stractBuchiCegarLoop]: Interprodecural is true [2022-11-18 19:51:59,095 INFO L304 stractBuchiCegarLoop]: Hoare is false [2022-11-18 19:51:59,095 INFO L305 stractBuchiCegarLoop]: Compute interpolants for ForwardPredicates [2022-11-18 19:51:59,095 INFO L306 stractBuchiCegarLoop]: Backedges is STRAIGHT_LINE [2022-11-18 19:51:59,095 INFO L307 stractBuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2022-11-18 19:51:59,096 INFO L308 stractBuchiCegarLoop]: Difference is false [2022-11-18 19:51:59,096 INFO L309 stractBuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2022-11-18 19:51:59,096 INFO L313 stractBuchiCegarLoop]: ======== Iteration 0 == of CEGAR loop == BuchiAutomatonCegarLoop ======== [2022-11-18 19:51:59,103 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) [2022-11-18 19:51:59,137 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 19:51:59,137 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:51:59,137 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:51:59,142 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 19:51:59,142 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 19:51:59,142 INFO L335 stractBuchiCegarLoop]: ======== Iteration 1 ============ [2022-11-18 19:51:59,142 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) [2022-11-18 19:51:59,144 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 19:51:59,144 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:51:59,144 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:51:59,144 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1] [2022-11-18 19:51:59,144 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 19:51:59,152 INFO L748 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue assume { :begin_inline_ULTIMATE.init } true; 7#L-1true assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~b~0#1, main_~x~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~b~0#1 := 30;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 2#L19-2true [2022-11-18 19:51:59,152 INFO L750 eck$LassoCheckResult]: Loop: 2#L19-2true assume !!(main_~x~0#1 > 0); 8#L20true assume 0 == main_~b~0#1 || main_~b~0#1 == 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1; 9#L20-4true main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 2#L19-2true [2022-11-18 19:51:59,158 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:59,158 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2022-11-18 19:51:59,170 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:59,171 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40027313] [2022-11-18 19:51:59,171 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:59,172 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:59,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:59,255 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:59,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:59,279 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:59,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:59,283 INFO L85 PathProgramCache]: Analyzing trace with hash 40819, now seen corresponding path program 1 times [2022-11-18 19:51:59,283 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:59,283 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [808145754] [2022-11-18 19:51:59,284 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:59,284 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:59,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:59,298 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:51:59,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:51:59,305 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:51:59,307 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:51:59,307 INFO L85 PathProgramCache]: Analyzing trace with hash 28699761, now seen corresponding path program 1 times [2022-11-18 19:51:59,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:51:59,308 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [336028845] [2022-11-18 19:51:59,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:51:59,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:51:59,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:51:59,396 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:51:59,397 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:51:59,397 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [336028845] [2022-11-18 19:51:59,398 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [336028845] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:51:59,398 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:51:59,399 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2022-11-18 19:51:59,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2105063255] [2022-11-18 19:51:59,400 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:51:59,480 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:51:59,480 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:51:59,480 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:51:59,481 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:51:59,481 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 19:51:59,481 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:59,481 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:51:59,481 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:51:59,481 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02.c_Iteration1_Loop [2022-11-18 19:51:59,481 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:51:59,482 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:51:59,502 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:59,656 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:51:59,657 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 19:51:59,660 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:59,660 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:59,666 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:59,674 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:51:59,674 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:51:59,689 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2022-11-18 19:51:59,713 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:59,714 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:59,714 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:59,724 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:59,734 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 19:51:59,734 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:51:59,752 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2022-11-18 19:51:59,780 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 19:51:59,784 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2022-11-18 19:51:59,784 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:51:59,784 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:51:59,785 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:51:59,785 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:51:59,785 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:51:59,785 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:59,785 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:51:59,785 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:51:59,786 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02.c_Iteration1_Loop [2022-11-18 19:51:59,786 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:51:59,786 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:51:59,788 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:51:59,900 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:51:59,906 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:51:59,908 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:59,909 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:59,911 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:51:59,916 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2022-11-18 19:51:59,918 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:51:59,932 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:51:59,932 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:51:59,933 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:51:59,933 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:51:59,933 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:51:59,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:51:59,938 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:51:59,953 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:51:59,972 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 19:51:59,972 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 19:51:59,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:51:59,974 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:51:59,979 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:00,007 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:52:00,007 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 19:52:00,008 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:52:00,009 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~b~0#1) = -2*ULTIMATE.start_main_~b~0#1 + 1 Supporting invariants [] [2022-11-18 19:52:00,013 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2022-11-18 19:52:00,019 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:00,025 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 19:52:00,067 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:00,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:00,082 INFO L263 TraceCheckSpWp]: Trace formula consists of 5 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:52:00,084 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:00,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:00,120 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:52:00,121 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:00,223 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:52:00,292 INFO L141 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2022-11-18 19:52:00,295 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 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:52:00,348 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 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 35 states and 46 transitions. Complement of second has 6 states. [2022-11-18 19:52:00,350 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 [2022-11-18 19:52:00,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 4 states have (on average 1.25) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:52:00,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2022-11-18 19:52:00,359 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 3 letters. [2022-11-18 19:52:00,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:52:00,360 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-18 19:52:00,360 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:52:00,361 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 6 letters. [2022-11-18 19:52:00,361 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:52:00,362 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 46 transitions. [2022-11-18 19:52:00,366 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-18 19:52:00,371 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 18 states and 24 transitions. [2022-11-18 19:52:00,372 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 11 [2022-11-18 19:52:00,373 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2022-11-18 19:52:00,373 INFO L73 IsDeterministic]: Start isDeterministic. Operand 18 states and 24 transitions. [2022-11-18 19:52:00,374 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 19:52:00,374 INFO L218 hiAutomatonCegarLoop]: Abstraction has 18 states and 24 transitions. [2022-11-18 19:52:00,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18 states and 24 transitions. [2022-11-18 19:52:00,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18 to 16. [2022-11-18 19:52:00,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16 states, 16 states have (on average 1.375) internal successors, (22), 15 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:52:00,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16 states to 16 states and 22 transitions. [2022-11-18 19:52:00,418 INFO L240 hiAutomatonCegarLoop]: Abstraction has 16 states and 22 transitions. [2022-11-18 19:52:00,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:00,424 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:52:00,425 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:52:00,426 INFO L87 Difference]: Start difference. First operand 16 states and 22 transitions. Second operand has 3 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:52:00,459 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:00,460 INFO L93 Difference]: Finished difference Result 11 states and 13 transitions. [2022-11-18 19:52:00,460 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 11 states and 13 transitions. [2022-11-18 19:52:00,462 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 19:52:00,463 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 11 states to 9 states and 11 transitions. [2022-11-18 19:52:00,463 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 9 [2022-11-18 19:52:00,463 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 9 [2022-11-18 19:52:00,463 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 11 transitions. [2022-11-18 19:52:00,464 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:52:00,464 INFO L218 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-11-18 19:52:00,464 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 11 transitions. [2022-11-18 19:52:00,466 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2022-11-18 19:52:00,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.2222222222222223) internal successors, (11), 8 states have internal predecessors, (11), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:52:00,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 11 transitions. [2022-11-18 19:52:00,468 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-11-18 19:52:00,471 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:52:00,472 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 11 transitions. [2022-11-18 19:52:00,473 INFO L335 stractBuchiCegarLoop]: ======== Iteration 2 ============ [2022-11-18 19:52:00,473 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 11 transitions. [2022-11-18 19:52:00,476 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 19:52:00,476 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:52:00,476 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:52:00,476 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 19:52:00,477 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1] [2022-11-18 19:52:00,479 INFO L748 eck$LassoCheckResult]: Stem: 114#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 115#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~b~0#1, main_~x~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~b~0#1 := 30;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 112#L19-2 assume !!(main_~x~0#1 > 0); 113#L20 assume !(0 == main_~b~0#1 || main_~b~0#1 == 1 + main_~b~0#1); 116#L20-2 assume !(0 == 1 + main_~b~0#1);main_~b~0#1 := ~bitwiseOr(main_~b~0#1, 1 + main_~b~0#1);assume (main_~b~0#1 < 0 || 1 + main_~b~0#1 < 0) || (main_~b~0#1 >= main_~b~0#1 && main_~b~0#1 >= 1 + main_~b~0#1);assume (main_~b~0#1 >= 0 && 1 + main_~b~0#1 >= 0) || main_~b~0#1 < 0;assume (main_~b~0#1 < 0 || 1 + main_~b~0#1 < 0) || main_~b~0#1 <= main_~b~0#1 + (1 + main_~b~0#1); 117#L20-4 [2022-11-18 19:52:00,479 INFO L750 eck$LassoCheckResult]: Loop: 117#L20-4 main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 118#L19-2 assume !!(main_~x~0#1 > 0); 120#L20 assume 0 == main_~b~0#1 || main_~b~0#1 == 1 + main_~b~0#1;main_~b~0#1 := 1 + main_~b~0#1; 117#L20-4 [2022-11-18 19:52:00,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:00,480 INFO L85 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 1 times [2022-11-18 19:52:00,481 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:00,483 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337561869] [2022-11-18 19:52:00,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:00,484 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:00,502 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:52:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:00,508 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:52:00,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:00,509 INFO L85 PathProgramCache]: Analyzing trace with hash 52249, now seen corresponding path program 2 times [2022-11-18 19:52:00,509 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:00,509 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1043942492] [2022-11-18 19:52:00,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:00,510 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:00,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:00,536 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:52:00,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:00,541 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:52:00,541 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:00,542 INFO L85 PathProgramCache]: Analyzing trace with hash 297897965, now seen corresponding path program 1 times [2022-11-18 19:52:00,542 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:00,542 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2129711981] [2022-11-18 19:52:00,542 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:00,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:00,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:00,641 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:52:00,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2022-11-18 19:52:00,642 INFO L333 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2129711981] [2022-11-18 19:52:00,642 INFO L157 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2129711981] provided 1 perfect and 0 imperfect interpolant sequences [2022-11-18 19:52:00,642 INFO L184 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2022-11-18 19:52:00,643 INFO L197 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2022-11-18 19:52:00,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508320589] [2022-11-18 19:52:00,643 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2022-11-18 19:52:00,678 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:52:00,678 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:52:00,678 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:52:00,678 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:52:00,679 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 19:52:00,679 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:52:00,679 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:52:00,679 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:52:00,679 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02.c_Iteration2_Loop [2022-11-18 19:52:00,680 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:52:00,680 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:52:00,681 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:52:00,730 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:52:00,730 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 19:52:00,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:52:00,731 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:00,732 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:00,753 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:52:00,753 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:52:00,766 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2022-11-18 19:52:00,789 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:00,789 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:52:00,789 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:00,791 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:00,799 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2022-11-18 19:52:00,800 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 19:52:00,800 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:52:00,829 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2022-11-18 19:52:00,834 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:00,834 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:52:00,834 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:52:00,834 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:52:00,835 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:52:00,835 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2022-11-18 19:52:00,835 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:52:00,835 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:52:00,835 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:52:00,835 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02.c_Iteration2_Loop [2022-11-18 19:52:00,835 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:52:00,835 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:52:00,837 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:52:00,891 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:52:00,892 INFO L490 LassoAnalysis]: Using template 'affine'. [2022-11-18 19:52:00,892 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:52:00,892 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:00,894 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:00,906 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2022-11-18 19:52:00,907 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2022-11-18 19:52:00,922 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2022-11-18 19:52:00,922 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2022-11-18 19:52:00,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2022-11-18 19:52:00,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2022-11-18 19:52:00,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2022-11-18 19:52:00,927 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2022-11-18 19:52:00,927 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2022-11-18 19:52:00,946 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2022-11-18 19:52:00,952 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2022-11-18 19:52:00,952 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2022-11-18 19:52:00,952 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:52:00,952 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:00,958 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:00,970 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2022-11-18 19:52:00,970 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2022-11-18 19:52:00,970 INFO L513 LassoAnalysis]: Proved termination. [2022-11-18 19:52:00,970 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~b~0#1) = -2*ULTIMATE.start_main_~b~0#1 + 1 Supporting invariants [] [2022-11-18 19:52:00,973 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2022-11-18 19:52:00,983 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:00,984 INFO L156 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2022-11-18 19:52:01,002 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:01,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:01,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2022-11-18 19:52:01,011 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:01,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2022-11-18 19:52:01,032 INFO L263 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 4 conjunts are in the unsatisfiable core [2022-11-18 19:52:01,032 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2022-11-18 19:52:01,070 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2022-11-18 19:52:01,080 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2022-11-18 19:52:01,082 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 [2022-11-18 19:52:01,084 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3 Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-11-18 19:52:01,095 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:01,114 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states and 11 transitions. cyclomatic complexity: 3. Second operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) Result 20 states and 26 transitions. Complement of second has 5 states. [2022-11-18 19:52:01,115 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2022-11-18 19:52:01,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 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) [2022-11-18 19:52:01,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 11 transitions. [2022-11-18 19:52:01,116 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 5 letters. Loop has 3 letters. [2022-11-18 19:52:01,116 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:52:01,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 8 letters. Loop has 3 letters. [2022-11-18 19:52:01,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:52:01,117 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 11 transitions. Stem has 5 letters. Loop has 6 letters. [2022-11-18 19:52:01,117 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2022-11-18 19:52:01,117 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 20 states and 26 transitions. [2022-11-18 19:52:01,118 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-18 19:52:01,119 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 20 states to 20 states and 26 transitions. [2022-11-18 19:52:01,119 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-18 19:52:01,120 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 15 [2022-11-18 19:52:01,120 INFO L73 IsDeterministic]: Start isDeterministic. Operand 20 states and 26 transitions. [2022-11-18 19:52:01,120 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2022-11-18 19:52:01,120 INFO L218 hiAutomatonCegarLoop]: Abstraction has 20 states and 26 transitions. [2022-11-18 19:52:01,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states and 26 transitions. [2022-11-18 19:52:01,122 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 19. [2022-11-18 19:52:01,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19 states, 19 states have (on average 1.3157894736842106) internal successors, (25), 18 states have internal predecessors, (25), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:52:01,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19 states to 19 states and 25 transitions. [2022-11-18 19:52:01,123 INFO L240 hiAutomatonCegarLoop]: Abstraction has 19 states and 25 transitions. [2022-11-18 19:52:01,124 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2022-11-18 19:52:01,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2022-11-18 19:52:01,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2022-11-18 19:52:01,125 INFO L87 Difference]: Start difference. First operand 19 states and 25 transitions. Second operand has 3 states, 2 states have (on average 4.0) internal successors, (8), 3 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) [2022-11-18 19:52:01,139 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2022-11-18 19:52:01,140 INFO L93 Difference]: Finished difference Result 18 states and 21 transitions. [2022-11-18 19:52:01,140 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 18 states and 21 transitions. [2022-11-18 19:52:01,141 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2022-11-18 19:52:01,141 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 18 states to 14 states and 16 transitions. [2022-11-18 19:52:01,141 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 14 [2022-11-18 19:52:01,142 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 14 [2022-11-18 19:52:01,142 INFO L73 IsDeterministic]: Start isDeterministic. Operand 14 states and 16 transitions. [2022-11-18 19:52:01,142 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2022-11-18 19:52:01,142 INFO L218 hiAutomatonCegarLoop]: Abstraction has 14 states and 16 transitions. [2022-11-18 19:52:01,142 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14 states and 16 transitions. [2022-11-18 19:52:01,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14 to 9. [2022-11-18 19:52:01,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9 states, 9 states have (on average 1.1111111111111112) internal successors, (10), 8 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2022-11-18 19:52:01,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 10 transitions. [2022-11-18 19:52:01,144 INFO L240 hiAutomatonCegarLoop]: Abstraction has 9 states and 10 transitions. [2022-11-18 19:52:01,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2022-11-18 19:52:01,148 INFO L428 stractBuchiCegarLoop]: Abstraction has 9 states and 10 transitions. [2022-11-18 19:52:01,148 INFO L335 stractBuchiCegarLoop]: ======== Iteration 3 ============ [2022-11-18 19:52:01,148 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states and 10 transitions. [2022-11-18 19:52:01,148 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2022-11-18 19:52:01,149 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2022-11-18 19:52:01,149 INFO L119 BuchiIsEmpty]: Starting construction of run [2022-11-18 19:52:01,149 INFO L148 hiAutomatonCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1] [2022-11-18 19:52:01,149 INFO L149 hiAutomatonCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2022-11-18 19:52:01,149 INFO L748 eck$LassoCheckResult]: Stem: 224#ULTIMATE.startENTRY assume { :begin_inline_ULTIMATE.init } true; 225#L-1 assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~b~0#1, main_~x~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~b~0#1 := 30;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1; 228#L19-2 assume !!(main_~x~0#1 > 0); 230#L20 assume !(0 == main_~b~0#1 || main_~b~0#1 == 1 + main_~b~0#1); 226#L20-2 assume !(0 == 1 + main_~b~0#1);main_~b~0#1 := ~bitwiseOr(main_~b~0#1, 1 + main_~b~0#1);assume (main_~b~0#1 < 0 || 1 + main_~b~0#1 < 0) || (main_~b~0#1 >= main_~b~0#1 && main_~b~0#1 >= 1 + main_~b~0#1);assume (main_~b~0#1 >= 0 && 1 + main_~b~0#1 >= 0) || main_~b~0#1 < 0;assume (main_~b~0#1 < 0 || 1 + main_~b~0#1 < 0) || main_~b~0#1 <= main_~b~0#1 + (1 + main_~b~0#1); 227#L20-4 [2022-11-18 19:52:01,150 INFO L750 eck$LassoCheckResult]: Loop: 227#L20-4 main_~x~0#1 := main_~x~0#1 - main_~b~0#1; 222#L19-2 assume !!(main_~x~0#1 > 0); 223#L20 assume !(0 == main_~b~0#1 || main_~b~0#1 == 1 + main_~b~0#1); 229#L20-2 assume 0 == 1 + main_~b~0#1;main_~b~0#1 := main_~b~0#1; 227#L20-4 [2022-11-18 19:52:01,150 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:01,150 INFO L85 PathProgramCache]: Analyzing trace with hash 28699821, now seen corresponding path program 2 times [2022-11-18 19:52:01,151 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:01,151 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209787563] [2022-11-18 19:52:01,151 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:01,151 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:01,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:01,156 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:52:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:01,161 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:52:01,162 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:01,162 INFO L85 PathProgramCache]: Analyzing trace with hash 1619800, now seen corresponding path program 1 times [2022-11-18 19:52:01,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:01,163 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1187584645] [2022-11-18 19:52:01,163 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:01,163 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:01,168 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:52:01,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:01,172 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:52:01,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2022-11-18 19:52:01,173 INFO L85 PathProgramCache]: Analyzing trace with hash 644902404, now seen corresponding path program 1 times [2022-11-18 19:52:01,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2022-11-18 19:52:01,174 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106168471] [2022-11-18 19:52:01,174 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2022-11-18 19:52:01,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2022-11-18 19:52:01,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:01,181 INFO L356 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2022-11-18 19:52:01,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2022-11-18 19:52:01,188 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2022-11-18 19:52:01,228 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:52:01,228 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:52:01,229 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:52:01,229 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:52:01,229 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 19:52:01,229 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:52:01,229 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:52:01,229 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:52:01,229 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02.c_Iteration3_Loop [2022-11-18 19:52:01,230 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:52:01,230 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:52:01,231 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:52:01,274 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:52:01,274 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 19:52:01,274 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:52:01,275 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:01,276 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:01,293 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:52:01,293 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:52:01,306 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2022-11-18 19:52:01,327 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:01,327 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:52:01,327 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:01,329 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:01,334 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2022-11-18 19:52:01,335 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 19:52:01,335 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:52:01,443 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 19:52:01,443 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=-1} Honda state: {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [2, 1, 8] Nus: [0, 0] [2022-11-18 19:52:01,457 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:01,496 INFO L210 LassoAnalysis]: Preferences: [2022-11-18 19:52:01,497 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2022-11-18 19:52:01,497 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2022-11-18 19:52:01,497 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2022-11-18 19:52:01,497 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2022-11-18 19:52:01,497 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:52:01,497 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2022-11-18 19:52:01,497 INFO L132 ssoRankerPreferences]: Path of dumped script: [2022-11-18 19:52:01,497 INFO L133 ssoRankerPreferences]: Filename of dumped script: or-02.c_Iteration3_Lasso [2022-11-18 19:52:01,497 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2022-11-18 19:52:01,498 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2022-11-18 19:52:01,499 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:52:01,504 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:52:01,507 INFO L117 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2022-11-18 19:52:01,581 INFO L294 LassoAnalysis]: Preprocessing complete. [2022-11-18 19:52:01,582 INFO L404 LassoAnalysis]: Checking for nontermination... [2022-11-18 19:52:01,582 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:52:01,583 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:01,584 INFO L229 MonitoredProcess]: Starting monitored process 12 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:01,592 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:52:01,592 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:52:01,606 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Waiting until timeout for monitored process [2022-11-18 19:52:01,615 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 19:52:01,615 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res#1=0} Honda state: {ULTIMATE.start_main_#res#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 19:52:01,621 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (12)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:01,621 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:52:01,621 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:01,622 INFO L229 MonitoredProcess]: Starting monitored process 13 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:01,627 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:52:01,628 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:52:01,628 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Waiting until timeout for monitored process [2022-11-18 19:52:01,650 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 19:52:01,650 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0#1=0} Honda state: {ULTIMATE.start_main_#t~nondet0#1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2022-11-18 19:52:01,659 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (13)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:01,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:52:01,659 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:01,661 INFO L229 MonitoredProcess]: Starting monitored process 14 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:01,670 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2022-11-18 19:52:01,670 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:52:01,683 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Waiting until timeout for monitored process [2022-11-18 19:52:01,707 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (14)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:01,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2022-11-18 19:52:01,708 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 [2022-11-18 19:52:01,709 INFO L229 MonitoredProcess]: Starting monitored process 15 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2022-11-18 19:52:01,717 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2022-11-18 19:52:01,718 INFO L160 nArgumentSynthesizer]: Using integer mode. [2022-11-18 19:52:01,730 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Waiting until timeout for monitored process [2022-11-18 19:52:01,762 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2022-11-18 19:52:01,762 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0} Honda state: {ULTIMATE.start_main_~x~0#1=16, ULTIMATE.start_main_~b~0#1=-1} Generalized eigenvectors: [{ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=0, ULTIMATE.start_main_~b~0#1=0}, {ULTIMATE.start_main_~x~0#1=1, ULTIMATE.start_main_~b~0#1=0}] Lambdas: [3, 3, 1] Nus: [0, 0] [2022-11-18 19:52:01,796 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (15)] Forceful destruction successful, exit code 0 [2022-11-18 19:52:01,805 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 18.11 07:52:01 BoogieIcfgContainer [2022-11-18 19:52:01,805 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2022-11-18 19:52:01,806 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2022-11-18 19:52:01,806 INFO L271 PluginConnector]: Initializing Witness Printer... [2022-11-18 19:52:01,806 INFO L275 PluginConnector]: Witness Printer initialized [2022-11-18 19:52:01,807 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 07:51:58" (3/4) ... [2022-11-18 19:52:01,810 INFO L140 WitnessPrinter]: No result that supports witness generation found [2022-11-18 19:52:01,810 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2022-11-18 19:52:01,811 INFO L158 Benchmark]: Toolchain (without parser) took 3471.61ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 71.2MB in the beginning and 73.9MB in the end (delta: -2.8MB). Peak memory consumption was 17.4MB. Max. memory is 16.1GB. [2022-11-18 19:52:01,812 INFO L158 Benchmark]: CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 58.1MB in the beginning and 58.1MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:52:01,812 INFO L158 Benchmark]: CACSL2BoogieTranslator took 325.38ms. Allocated memory is still 100.7MB. Free memory was 70.9MB in the beginning and 79.1MB in the end (delta: -8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:52:01,813 INFO L158 Benchmark]: Boogie Procedure Inliner took 34.07ms. Allocated memory is still 100.7MB. Free memory was 79.1MB in the beginning and 77.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:52:01,813 INFO L158 Benchmark]: Boogie Preprocessor took 22.27ms. Allocated memory is still 100.7MB. Free memory was 77.6MB in the beginning and 76.7MB in the end (delta: 901.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2022-11-18 19:52:01,814 INFO L158 Benchmark]: RCFGBuilder took 258.06ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 68.2MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2022-11-18 19:52:01,815 INFO L158 Benchmark]: BuchiAutomizer took 2818.92ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 68.2MB in the beginning and 73.9MB in the end (delta: -5.7MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. [2022-11-18 19:52:01,815 INFO L158 Benchmark]: Witness Printer took 4.56ms. Allocated memory is still 121.6MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. [2022-11-18 19:52:01,818 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.34ms. Allocated memory is still 100.7MB. Free memory was 58.1MB in the beginning and 58.1MB in the end (delta: 41.6kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 325.38ms. Allocated memory is still 100.7MB. Free memory was 70.9MB in the beginning and 79.1MB in the end (delta: -8.2MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 34.07ms. Allocated memory is still 100.7MB. Free memory was 79.1MB in the beginning and 77.9MB in the end (delta: 1.2MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 22.27ms. Allocated memory is still 100.7MB. Free memory was 77.6MB in the beginning and 76.7MB in the end (delta: 901.4kB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 258.06ms. Allocated memory is still 100.7MB. Free memory was 76.7MB in the beginning and 68.2MB in the end (delta: 8.5MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * BuchiAutomizer took 2818.92ms. Allocated memory was 100.7MB in the beginning and 121.6MB in the end (delta: 21.0MB). Free memory was 68.2MB in the beginning and 73.9MB in the end (delta: -5.7MB). Peak memory consumption was 16.3MB. Max. memory is 16.1GB. * Witness Printer took 4.56ms. Allocated memory is still 121.6MB. Free memory is still 73.9MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic) and one module whose termination is unknown.One deterministic module has affine ranking function -2 * b + 1 and consists of 4 locations. One deterministic module has affine ranking function -2 * b + 1 and consists of 3 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. The remainder module has 9 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.7s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.4s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had -1 states and ocurred in iteration -1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 19 SdHoareTripleChecker+Valid, 0.1s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 17 mSDsluCounter, 35 SdHoareTripleChecker+Invalid, 0.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 10 mSDsCounter, 6 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 33 IncrementalHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 6 mSolverCounterUnsat, 25 mSDtfsCounter, 33 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown LassoAnalysisResults: nont1 unkn0 SFLI0 SFLT0 conc0 concLT2 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq185 hnf91 smp100 dnf100 smp100 tf105 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 100ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.5s InitialAbstractionConstructionTime: 0.0s - TerminationAnalysisResult: Unable to decide termination Buchi Automizer cannot decide termination for the following lasso because it contains the following overapproximations. Overapproximations C: b= b|(b+1) [20] (Reason bitwiseOr) Lasso Stem: "assume { :begin_inline_ULTIMATE.init } true;" "assume { :end_inline_ULTIMATE.init } true;assume { :begin_inline_main } true;havoc main_#res#1;havoc main_#t~nondet0#1, main_~b~0#1, main_~x~0#1;havoc main_~b~0#1;havoc main_~x~0#1;main_~b~0#1 := 30;main_~x~0#1 := main_#t~nondet0#1;havoc main_#t~nondet0#1;" "assume !!(main_~x~0#1 > 0);" "assume !(0 == main_~b~0#1 || main_~b~0#1 == 1 + main_~b~0#1);" "assume !(0 == 1 + main_~b~0#1);main_~b~0#1 := ~bitwiseOr(main_~b~0#1, 1 + main_~b~0#1);assume (main_~b~0#1 < 0 || 1 + main_~b~0#1 < 0) || (main_~b~0#1 >= main_~b~0#1 && main_~b~0#1 >= 1 + main_~b~0#1);assume (main_~b~0#1 >= 0 && 1 + main_~b~0#1 >= 0) || main_~b~0#1 < 0;assume (main_~b~0#1 < 0 || 1 + main_~b~0#1 < 0) || main_~b~0#1 <= main_~b~0#1 + (1 + main_~b~0#1);" Loop: "main_~x~0#1 := main_~x~0#1 - main_~b~0#1;" "assume !!(main_~x~0#1 > 0);" "assume !(0 == main_~b~0#1 || main_~b~0#1 == 1 + main_~b~0#1);" "assume 0 == 1 + main_~b~0#1;main_~b~0#1 := main_~b~0#1;" RESULT: Ultimate could not prove your program: unable to determine termination [2022-11-18 19:52:01,850 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis No suitable file found in config dir /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_f03a8c52-1eb7-435c-9149-faec069c2ed1/bin/uautomizer-TMbwUNV5ro/config using search string *Termination*64bit*_Bitvector*.epf No suitable settings file found using Termination*64bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: UNKNOWN