./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/bhmr2007.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version e943c265 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/bhmr2007.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be --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 32bit --witnessprinter.graph.data.programhash 07cb9038cdaf0e413365ff784390031a7ba733892c02a00ed18b47b0bbaf3c4d ............................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-e943c26 [2021-10-21 18:59:34,791 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-21 18:59:34,793 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-21 18:59:34,837 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-21 18:59:34,837 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-21 18:59:34,843 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-21 18:59:34,845 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-21 18:59:34,850 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-21 18:59:34,852 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-21 18:59:34,860 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-21 18:59:34,861 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-21 18:59:34,863 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-21 18:59:34,863 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-21 18:59:34,866 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-21 18:59:34,868 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-21 18:59:34,873 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-21 18:59:34,875 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-21 18:59:34,876 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-21 18:59:34,878 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-21 18:59:34,885 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-21 18:59:34,888 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-21 18:59:34,889 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-21 18:59:34,893 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-21 18:59:34,894 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-21 18:59:34,899 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-21 18:59:34,900 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-21 18:59:34,900 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-21 18:59:34,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-21 18:59:34,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-21 18:59:34,904 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-21 18:59:34,905 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-21 18:59:34,906 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-21 18:59:34,908 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-21 18:59:34,909 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-21 18:59:34,910 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-21 18:59:34,911 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-21 18:59:34,911 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-21 18:59:34,911 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-21 18:59:34,912 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-21 18:59:34,913 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-21 18:59:34,913 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-21 18:59:34,914 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-21 18:59:34,966 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-21 18:59:34,966 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-21 18:59:34,967 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-21 18:59:34,967 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-21 18:59:34,968 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-21 18:59:34,968 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-21 18:59:34,969 INFO L138 SettingsManager]: * Use SBE=true [2021-10-21 18:59:34,969 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-21 18:59:34,969 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-21 18:59:34,969 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-21 18:59:34,970 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-21 18:59:34,971 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-21 18:59:34,971 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-21 18:59:34,971 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-21 18:59:34,971 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-21 18:59:34,971 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-21 18:59:34,972 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-21 18:59:34,972 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-21 18:59:34,972 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-21 18:59:34,972 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-21 18:59:34,973 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-21 18:59:34,973 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-21 18:59:34,973 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-21 18:59:34,973 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-21 18:59:34,973 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-21 18:59:34,974 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-21 18:59:34,975 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-21 18:59:34,975 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-21 18:59:34,976 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-21 18:59:34,976 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-21 18:59:34,976 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-21 18:59:34,977 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-21 18:59:34,978 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-21 18:59:34,978 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_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 07cb9038cdaf0e413365ff784390031a7ba733892c02a00ed18b47b0bbaf3c4d [2021-10-21 18:59:35,284 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-21 18:59:35,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-21 18:59:35,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-21 18:59:35,319 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-21 18:59:35,320 INFO L275 PluginConnector]: CDTParser initialized [2021-10-21 18:59:35,321 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/../../sv-benchmarks/c/loop-lit/bhmr2007.i [2021-10-21 18:59:35,392 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/data/271df85ee/35ce477ce2744f49992a75b60ea516cd/FLAG9717777ed [2021-10-21 18:59:35,839 INFO L306 CDTParser]: Found 1 translation units. [2021-10-21 18:59:35,839 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/sv-benchmarks/c/loop-lit/bhmr2007.i [2021-10-21 18:59:35,851 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/data/271df85ee/35ce477ce2744f49992a75b60ea516cd/FLAG9717777ed [2021-10-21 18:59:36,200 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/data/271df85ee/35ce477ce2744f49992a75b60ea516cd [2021-10-21 18:59:36,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-21 18:59:36,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-21 18:59:36,206 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-21 18:59:36,206 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-21 18:59:36,210 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-21 18:59:36,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 06:59:36" (1/1) ... [2021-10-21 18:59:36,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@31ac4e86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:36, skipping insertion in model container [2021-10-21 18:59:36,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.10 06:59:36" (1/1) ... [2021-10-21 18:59:36,229 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-21 18:59:36,243 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-21 18:59:36,434 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/sv-benchmarks/c/loop-lit/bhmr2007.i[895,908] [2021-10-21 18:59:36,448 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 18:59:36,459 INFO L203 MainTranslator]: Completed pre-run [2021-10-21 18:59:36,472 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/sv-benchmarks/c/loop-lit/bhmr2007.i[895,908] [2021-10-21 18:59:36,483 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-21 18:59:36,499 INFO L208 MainTranslator]: Completed translation [2021-10-21 18:59:36,499 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:36 WrapperNode [2021-10-21 18:59:36,500 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-21 18:59:36,501 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-21 18:59:36,502 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-21 18:59:36,502 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-21 18:59:36,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:36" (1/1) ... [2021-10-21 18:59:36,516 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:36" (1/1) ... [2021-10-21 18:59:36,535 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-21 18:59:36,536 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-21 18:59:36,536 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-21 18:59:36,536 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-21 18:59:36,543 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:36" (1/1) ... [2021-10-21 18:59:36,543 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:36" (1/1) ... [2021-10-21 18:59:36,553 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:36" (1/1) ... [2021-10-21 18:59:36,554 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:36" (1/1) ... [2021-10-21 18:59:36,560 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:36" (1/1) ... [2021-10-21 18:59:36,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:36" (1/1) ... [2021-10-21 18:59:36,570 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:36" (1/1) ... [2021-10-21 18:59:36,571 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-21 18:59:36,573 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-21 18:59:36,573 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-21 18:59:36,573 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-21 18:59:36,575 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:36" (1/1) ... [2021-10-21 18:59:36,582 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 18:59:36,592 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 18:59:36,605 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 18:59:36,624 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-21 18:59:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-21 18:59:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-21 18:59:36,657 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-21 18:59:36,658 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-21 18:59:36,885 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-21 18:59:36,892 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-10-21 18:59:36,894 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 06:59:36 BoogieIcfgContainer [2021-10-21 18:59:36,894 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-21 18:59:36,895 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-21 18:59:36,908 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-21 18:59:36,911 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-21 18:59:36,911 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 18:59:36,912 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 21.10 06:59:36" (1/3) ... [2021-10-21 18:59:36,913 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74167bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 06:59:36, skipping insertion in model container [2021-10-21 18:59:36,913 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 18:59:36,913 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.10 06:59:36" (2/3) ... [2021-10-21 18:59:36,914 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@74167bf1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 21.10 06:59:36, skipping insertion in model container [2021-10-21 18:59:36,914 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-21 18:59:36,914 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 06:59:36" (3/3) ... [2021-10-21 18:59:36,915 INFO L389 chiAutomizerObserver]: Analyzing ICFG bhmr2007.i [2021-10-21 18:59:36,965 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-21 18:59:36,965 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-21 18:59:36,966 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-21 18:59:36,966 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-21 18:59:36,966 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-21 18:59:36,978 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-21 18:59:36,978 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-21 18:59:36,978 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-21 18:59:36,992 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:59:37,007 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 18:59:37,008 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 18:59:37,008 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 18:59:37,014 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-21 18:59:37,014 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 18:59:37,014 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-21 18:59:37,014 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:59:37,017 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-21 18:59:37,017 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-21 18:59:37,017 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-21 18:59:37,018 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-21 18:59:37,018 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-21 18:59:37,024 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 8#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~nondet4, main_~i~0, main_~n~0, main_~a~0, main_~b~0;havoc main_~i~0;havoc main_~n~0;havoc main_~a~0;havoc main_~b~0;main_~i~0 := 0;main_~a~0 := 0;main_~b~0 := 0;main_~n~0 := main_#t~nondet3;havoc main_#t~nondet3; 5#L27true assume !!(main_~n~0 >= 0 && main_~n~0 <= 1000000); 7#L28-2true [2021-10-21 18:59:37,028 INFO L793 eck$LassoCheckResult]: Loop: 7#L28-2true assume !!(main_~i~0 < main_~n~0); 6#L29true assume 0 != main_#t~nondet4;havoc main_#t~nondet4;main_~a~0 := 1 + main_~a~0;main_~b~0 := 2 + main_~b~0; 15#L29-2true main_~i~0 := 1 + main_~i~0; 7#L28-2true [2021-10-21 18:59:37,034 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 18:59:37,042 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2021-10-21 18:59:37,051 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 18:59:37,052 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18237345] [2021-10-21 18:59:37,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 18:59:37,053 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 18:59:37,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 18:59:37,142 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 18:59:37,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 18:59:37,175 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 18:59:37,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 18:59:37,179 INFO L82 PathProgramCache]: Analyzing trace with hash 45779, now seen corresponding path program 1 times [2021-10-21 18:59:37,179 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 18:59:37,180 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [490861578] [2021-10-21 18:59:37,180 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 18:59:37,180 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 18:59:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 18:59:37,188 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 18:59:37,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 18:59:37,195 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 18:59:37,197 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 18:59:37,197 INFO L82 PathProgramCache]: Analyzing trace with hash 889575248, now seen corresponding path program 1 times [2021-10-21 18:59:37,198 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-21 18:59:37,198 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [409634057] [2021-10-21 18:59:37,198 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-21 18:59:37,199 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-21 18:59:37,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 18:59:37,219 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-21 18:59:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-21 18:59:37,252 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-21 18:59:37,359 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 18:59:37,360 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 18:59:37,360 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 18:59:37,360 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 18:59:37,361 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-21 18:59:37,361 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 18:59:37,361 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 18:59:37,362 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 18:59:37,362 INFO L133 ssoRankerPreferences]: Filename of dumped script: bhmr2007.i_Iteration1_Loop [2021-10-21 18:59:37,362 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 18:59:37,363 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 18:59:37,380 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 18:59:37,388 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 18:59:37,392 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 18:59:37,399 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 18:59:37,464 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 18:59:37,465 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-21 18:59:37,467 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 18:59:37,468 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 18:59:37,473 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 18:59:37,477 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 18:59:37,477 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 18:59:37,489 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-21 18:59:37,544 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-21 18:59:37,545 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 18:59:37,545 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 18:59:37,548 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 18:59:37,554 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 18:59:37,554 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 18:59:37,571 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-21 18:59:37,591 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 18:59:37,592 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~b~0=0} Honda state: {ULTIMATE.start_main_~b~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~b~0=-2}, {ULTIMATE.start_main_~b~0=-2}, {ULTIMATE.start_main_~b~0=6}] Lambdas: [0, 1, 1] Nus: [1, 0] [2021-10-21 18:59:37,631 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-21 18:59:37,631 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 18:59:37,631 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 18:59:37,640 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 18:59:37,648 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 18:59:37,648 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 18:59:37,659 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-21 18:59:37,710 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-21 18:59:37,710 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 18:59:37,710 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 18:59:37,712 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 18:59:37,723 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-21 18:59:37,724 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 18:59:37,725 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 18:59:37,760 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-21 18:59:37,760 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~a~0=0} Honda state: {ULTIMATE.start_main_~a~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~a~0=-1}, {ULTIMATE.start_main_~a~0=4}, {ULTIMATE.start_main_~a~0=-2}] Lambdas: [5, 1, 1] Nus: [1, 0] [2021-10-21 18:59:37,780 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-21 18:59:37,780 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 18:59:37,781 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 18:59:37,782 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 18:59:37,786 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-21 18:59:37,788 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-21 18:59:37,788 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 18:59:37,826 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-21 18:59:37,826 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 18:59:37,827 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 18:59:37,828 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 18:59:37,829 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-21 18:59:37,836 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-21 18:59:37,836 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-21 18:59:37,976 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-21 18:59:37,978 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Ended with exit code 0 [2021-10-21 18:59:37,978 INFO L210 LassoAnalysis]: Preferences: [2021-10-21 18:59:37,979 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-21 18:59:37,979 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-21 18:59:37,979 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-21 18:59:37,979 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-21 18:59:37,979 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 18:59:37,979 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-21 18:59:37,979 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-21 18:59:37,979 INFO L133 ssoRankerPreferences]: Filename of dumped script: bhmr2007.i_Iteration1_Loop [2021-10-21 18:59:37,979 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-21 18:59:37,979 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-21 18:59:38,001 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 18:59:38,009 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 18:59:38,014 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 18:59:38,023 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-21 18:59:38,085 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-21 18:59:38,089 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-21 18:59:38,090 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 18:59:38,091 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 18:59:38,091 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 18:59:38,094 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 18:59:38,100 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-21 18:59:38,103 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 18:59:38,103 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 18:59:38,103 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 18:59:38,103 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 18:59:38,104 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 18:59:38,106 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 18:59:38,106 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 18:59:38,122 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 18:59:38,143 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-21 18:59:38,143 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 18:59:38,144 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 18:59:38,145 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 18:59:38,145 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-21 18:59:38,146 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 18:59:38,153 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 18:59:38,153 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 18:59:38,153 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 18:59:38,153 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 18:59:38,153 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 18:59:38,154 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 18:59:38,154 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 18:59:38,158 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-21 18:59:38,176 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-21 18:59:38,176 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 18:59:38,177 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 18:59:38,177 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 18:59:38,178 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-21 18:59:38,179 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSESNumber of strict supporting invariants: 0Number of non-strict supporting invariants: 1Consider only non-deceasing supporting invariants: trueSimplify termination arguments: trueSimplify supporting invariants: trueOverapproximate stem: false [2021-10-21 18:59:38,186 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-21 18:59:38,186 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-21 18:59:38,186 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-21 18:59:38,186 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-21 18:59:38,187 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-21 18:59:38,188 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-21 18:59:38,188 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-21 18:59:38,214 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-21 18:59:38,225 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2021-10-21 18:59:38,225 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-21 18:59:38,226 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-21 18:59:38,226 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 [2021-10-21 18:59:38,228 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-21 18:59:38,228 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-21 18:59:38,240 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-21 18:59:38,240 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-21 18:59:38,240 INFO L513 LassoAnalysis]: Proved termination. [2021-10-21 18:59:38,241 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~i~0 Supporting invariants [] [2021-10-21 18:59:38,262 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-21 18:59:38,265 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-21 18:59:38,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-21 18:59:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 18:59:38,314 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 2 conjunts are in the unsatisfiable core [2021-10-21 18:59:38,315 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 18:59:38,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-21 18:59:38,349 INFO L263 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-21 18:59:38,350 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-21 18:59:38,381 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-21 18:59:38,395 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2021-10-21 18:59:38,396 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:59:38,438 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 13 states, 12 states have (on average 1.4166666666666667) internal successors, (17), 12 states have internal predecessors, (17), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 33 states and 41 transitions. Complement of second has 7 states. [2021-10-21 18:59:38,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-21 18:59:38,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-21 18:59:38,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 26 transitions. [2021-10-21 18:59:38,442 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 3 letters. [2021-10-21 18:59:38,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 18:59:38,443 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-21 18:59:38,443 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 18:59:38,444 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 26 transitions. Stem has 3 letters. Loop has 6 letters. [2021-10-21 18:59:38,444 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-21 18:59:38,445 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 41 transitions. [2021-10-21 18:59:38,448 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 18:59:38,450 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2021-10-21 18:59:38,451 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-21 18:59:38,451 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-21 18:59:38,452 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-21 18:59:38,452 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-21 18:59:38,452 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 18:59:38,452 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 18:59:38,452 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-21 18:59:38,452 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-21 18:59:38,452 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-21 18:59:38,452 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-21 18:59:38,452 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-21 18:59:38,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 21.10 06:59:38 BoogieIcfgContainer [2021-10-21 18:59:38,458 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-21 18:59:38,458 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-21 18:59:38,458 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-21 18:59:38,458 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-21 18:59:38,459 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.10 06:59:36" (3/4) ... [2021-10-21 18:59:38,461 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-21 18:59:38,461 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-21 18:59:38,463 INFO L168 Benchmark]: Toolchain (without parser) took 2257.61 ms. Allocated memory is still 111.1 MB. Free memory was 73.6 MB in the beginning and 70.0 MB in the end (delta: 3.6 MB). Peak memory consumption was 4.1 MB. Max. memory is 16.1 GB. [2021-10-21 18:59:38,463 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 111.1 MB. Free memory was 89.9 MB in the beginning and 89.8 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 18:59:38,464 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.17 ms. Allocated memory is still 111.1 MB. Free memory was 73.4 MB in the beginning and 85.9 MB in the end (delta: -12.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 18:59:38,465 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.84 ms. Allocated memory is still 111.1 MB. Free memory was 85.9 MB in the beginning and 84.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 18:59:38,465 INFO L168 Benchmark]: Boogie Preprocessor took 36.53 ms. Allocated memory is still 111.1 MB. Free memory was 84.6 MB in the beginning and 83.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-21 18:59:38,466 INFO L168 Benchmark]: RCFGBuilder took 321.16 ms. Allocated memory is still 111.1 MB. Free memory was 83.5 MB in the beginning and 74.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-21 18:59:38,467 INFO L168 Benchmark]: BuchiAutomizer took 1562.66 ms. Allocated memory is still 111.1 MB. Free memory was 74.1 MB in the beginning and 70.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. [2021-10-21 18:59:38,467 INFO L168 Benchmark]: Witness Printer took 3.27 ms. Allocated memory is still 111.1 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-21 18:59:38,471 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 111.1 MB. Free memory was 89.9 MB in the beginning and 89.8 MB in the end (delta: 65.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 294.17 ms. Allocated memory is still 111.1 MB. Free memory was 73.4 MB in the beginning and 85.9 MB in the end (delta: -12.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 33.84 ms. Allocated memory is still 111.1 MB. Free memory was 85.9 MB in the beginning and 84.6 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 36.53 ms. Allocated memory is still 111.1 MB. Free memory was 84.6 MB in the beginning and 83.5 MB in the end (delta: 1.1 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 321.16 ms. Allocated memory is still 111.1 MB. Free memory was 83.5 MB in the beginning and 74.5 MB in the end (delta: 9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1562.66 ms. Allocated memory is still 111.1 MB. Free memory was 74.1 MB in the beginning and 70.0 MB in the end (delta: 4.1 MB). Peak memory consumption was 7.0 MB. Max. memory is 16.1 GB. * Witness Printer took 3.27 ms. Allocated memory is still 111.1 MB. Free memory is still 70.0 MB. There was no memory consumed. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function n + -1 * i and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.5s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 13 SDtfs, 17 SDslu, 12 SDs, 0 SdLazy, 9 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.4ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital24 mio100 ax100 hnf100 lsp41 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 32ms VariablesStem: 0 VariablesLoop: 2 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 2 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.4s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-21 18:59:38,516 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-21 18:59:38,730 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_d85b1609-217b-4aec-80bb-dfcf461bb4e1/bin/uautomizer-j4sWxH34Be/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Forceful destruction successful, exit code 0 Received shutdown request...