./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/recursive-simple/sum_10x0-2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 57096758 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/recursive-simple/sum_10x0-2.c -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3 --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 62383dd39c4465d1f3b7424ac172d9121521b446 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-5709675 [2021-10-15 19:38:04,323 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-10-15 19:38:04,326 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-10-15 19:38:04,387 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-10-15 19:38:04,388 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-10-15 19:38:04,393 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-10-15 19:38:04,395 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-10-15 19:38:04,399 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-10-15 19:38:04,402 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-10-15 19:38:04,410 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-10-15 19:38:04,411 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-10-15 19:38:04,413 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-10-15 19:38:04,413 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-10-15 19:38:04,417 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-10-15 19:38:04,419 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-10-15 19:38:04,424 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-10-15 19:38:04,428 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-10-15 19:38:04,429 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-10-15 19:38:04,431 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-10-15 19:38:04,433 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-10-15 19:38:04,435 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-10-15 19:38:04,437 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-10-15 19:38:04,438 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-10-15 19:38:04,439 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-10-15 19:38:04,443 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-10-15 19:38:04,443 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-10-15 19:38:04,443 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-10-15 19:38:04,445 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-10-15 19:38:04,445 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-10-15 19:38:04,446 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-10-15 19:38:04,447 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-10-15 19:38:04,448 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-10-15 19:38:04,448 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-10-15 19:38:04,449 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-10-15 19:38:04,451 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-10-15 19:38:04,451 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-10-15 19:38:04,452 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-10-15 19:38:04,452 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-10-15 19:38:04,453 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-10-15 19:38:04,454 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-10-15 19:38:04,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-10-15 19:38:04,457 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-10-15 19:38:04,501 INFO L113 SettingsManager]: Loading preferences was successful [2021-10-15 19:38:04,506 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-10-15 19:38:04,507 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-10-15 19:38:04,507 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-10-15 19:38:04,508 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-10-15 19:38:04,509 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-10-15 19:38:04,509 INFO L138 SettingsManager]: * Use SBE=true [2021-10-15 19:38:04,509 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-10-15 19:38:04,510 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-10-15 19:38:04,510 INFO L138 SettingsManager]: * Use old map elimination=false [2021-10-15 19:38:04,515 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-10-15 19:38:04,515 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-10-15 19:38:04,515 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-10-15 19:38:04,516 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-10-15 19:38:04,516 INFO L138 SettingsManager]: * sizeof long=4 [2021-10-15 19:38:04,516 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-10-15 19:38:04,516 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-10-15 19:38:04,516 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-10-15 19:38:04,517 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-10-15 19:38:04,517 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-10-15 19:38:04,517 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-10-15 19:38:04,517 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-10-15 19:38:04,518 INFO L138 SettingsManager]: * sizeof long double=12 [2021-10-15 19:38:04,518 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-10-15 19:38:04,518 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-10-15 19:38:04,518 INFO L138 SettingsManager]: * Use constant arrays=true [2021-10-15 19:38:04,519 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-10-15 19:38:04,519 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-10-15 19:38:04,519 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-10-15 19:38:04,519 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-10-15 19:38:04,520 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-10-15 19:38:04,520 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-10-15 19:38:04,521 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-10-15 19:38:04,521 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_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 62383dd39c4465d1f3b7424ac172d9121521b446 [2021-10-15 19:38:04,829 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-10-15 19:38:04,861 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-10-15 19:38:04,864 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-10-15 19:38:04,865 INFO L271 PluginConnector]: Initializing CDTParser... [2021-10-15 19:38:04,867 INFO L275 PluginConnector]: CDTParser initialized [2021-10-15 19:38:04,868 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/../../sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2021-10-15 19:38:04,962 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/data/79833ef4c/61b51f8216624b6ea265c3b743696cdd/FLAG1964562d3 [2021-10-15 19:38:05,376 INFO L306 CDTParser]: Found 1 translation units. [2021-10-15 19:38:05,377 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/sv-benchmarks/c/recursive-simple/sum_10x0-2.c [2021-10-15 19:38:05,388 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/data/79833ef4c/61b51f8216624b6ea265c3b743696cdd/FLAG1964562d3 [2021-10-15 19:38:05,766 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/data/79833ef4c/61b51f8216624b6ea265c3b743696cdd [2021-10-15 19:38:05,769 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-10-15 19:38:05,771 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-10-15 19:38:05,772 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-10-15 19:38:05,773 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-10-15 19:38:05,777 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-10-15 19:38:05,778 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:38:05" (1/1) ... [2021-10-15 19:38:05,779 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1299f8ee and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:38:05, skipping insertion in model container [2021-10-15 19:38:05,780 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.10 07:38:05" (1/1) ... [2021-10-15 19:38:05,788 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-10-15 19:38:05,801 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-10-15 19:38:05,967 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_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/sv-benchmarks/c/recursive-simple/sum_10x0-2.c[481,494] [2021-10-15 19:38:05,968 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:38:06,001 INFO L203 MainTranslator]: Completed pre-run [2021-10-15 19:38:06,013 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_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/sv-benchmarks/c/recursive-simple/sum_10x0-2.c[481,494] [2021-10-15 19:38:06,014 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-10-15 19:38:06,027 INFO L208 MainTranslator]: Completed translation [2021-10-15 19:38:06,027 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:38:06 WrapperNode [2021-10-15 19:38:06,027 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-10-15 19:38:06,029 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-10-15 19:38:06,029 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-10-15 19:38:06,029 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-10-15 19:38:06,038 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:38:06" (1/1) ... [2021-10-15 19:38:06,050 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:38:06" (1/1) ... [2021-10-15 19:38:06,072 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-10-15 19:38:06,073 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-10-15 19:38:06,073 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-10-15 19:38:06,073 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-10-15 19:38:06,091 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:38:06" (1/1) ... [2021-10-15 19:38:06,092 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:38:06" (1/1) ... [2021-10-15 19:38:06,094 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:38:06" (1/1) ... [2021-10-15 19:38:06,095 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:38:06" (1/1) ... [2021-10-15 19:38:06,103 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:38:06" (1/1) ... [2021-10-15 19:38:06,106 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:38:06" (1/1) ... [2021-10-15 19:38:06,115 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:38:06" (1/1) ... [2021-10-15 19:38:06,118 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-10-15 19:38:06,119 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-10-15 19:38:06,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-10-15 19:38:06,120 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-10-15 19:38:06,122 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:38:06" (1/1) ... [2021-10-15 19:38:06,131 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:38:06,143 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:38:06,157 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:38:06,162 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-10-15 19:38:06,208 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-10-15 19:38:06,208 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-10-15 19:38:06,208 INFO L130 BoogieDeclarations]: Found specification of procedure sum [2021-10-15 19:38:06,209 INFO L138 BoogieDeclarations]: Found implementation of procedure sum [2021-10-15 19:38:06,209 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-10-15 19:38:06,209 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-10-15 19:38:06,449 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-10-15 19:38:06,453 INFO L299 CfgBuilder]: Removed 4 assume(true) statements. [2021-10-15 19:38:06,456 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:38:06 BoogieIcfgContainer [2021-10-15 19:38:06,456 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-10-15 19:38:06,457 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-10-15 19:38:06,457 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-10-15 19:38:06,461 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-10-15 19:38:06,462 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:38:06,462 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.10 07:38:05" (1/3) ... [2021-10-15 19:38:06,464 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cb75a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:38:06, skipping insertion in model container [2021-10-15 19:38:06,464 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:38:06,464 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.10 07:38:06" (2/3) ... [2021-10-15 19:38:06,465 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2cb75a66 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.10 07:38:06, skipping insertion in model container [2021-10-15 19:38:06,465 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-10-15 19:38:06,466 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:38:06" (3/3) ... [2021-10-15 19:38:06,467 INFO L389 chiAutomizerObserver]: Analyzing ICFG sum_10x0-2.c [2021-10-15 19:38:06,540 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-10-15 19:38:06,541 INFO L360 BuchiCegarLoop]: Hoare is false [2021-10-15 19:38:06,541 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-10-15 19:38:06,541 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-10-15 19:38:06,541 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-10-15 19:38:06,541 INFO L364 BuchiCegarLoop]: Difference is false [2021-10-15 19:38:06,541 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-10-15 19:38:06,541 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-10-15 19:38:06,557 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-15 19:38:06,581 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:38:06,581 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:38:06,581 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:38:06,589 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-15 19:38:06,589 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-15 19:38:06,589 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-10-15 19:38:06,590 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2021-10-15 19:38:06,592 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2021-10-15 19:38:06,592 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-10-15 19:38:06,592 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-10-15 19:38:06,592 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2021-10-15 19:38:06,593 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2021-10-15 19:38:06,600 INFO L791 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string4.base, #t~string4.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string4.base, #t~string4.offset, 1);call write~init~int(0, #t~string4.base, 1 + #t~string4.offset, 1);call #t~string5.base, #t~string5.offset := #Ultimate.allocOnStack(13);call #t~string6.base, #t~string6.offset := #Ultimate.allocOnStack(12); 8#L-1true havoc main_#res;havoc main_#t~ret8, main_~a~0, main_~b~0, main_~result~0;main_~a~0 := 10;main_~b~0 := 0; 3#L16true call main_#t~ret8 := sum(main_~a~0, main_~b~0);< 10#sumENTRYtrue [2021-10-15 19:38:06,600 INFO L793 eck$LassoCheckResult]: Loop: 10#sumENTRYtrue ~n := #in~n;~m := #in~m; 15#L6true assume !(~n <= 0); 14#L9true call #t~ret7 := sum(~n - 1, 1 + ~m);< 10#sumENTRYtrue [2021-10-15 19:38:06,606 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:38:06,607 INFO L82 PathProgramCache]: Analyzing trace with hash 29876, now seen corresponding path program 1 times [2021-10-15 19:38:06,618 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:38:06,618 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411497504] [2021-10-15 19:38:06,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:38:06,620 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:38:06,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:38:06,718 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:38:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:38:06,759 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:38:06,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:38:06,763 INFO L82 PathProgramCache]: Analyzing trace with hash 44820, now seen corresponding path program 1 times [2021-10-15 19:38:06,763 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:38:06,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880530024] [2021-10-15 19:38:06,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:38:06,764 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:38:06,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:38:06,771 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:38:06,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:38:06,778 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:38:06,780 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:38:06,780 INFO L82 PathProgramCache]: Analyzing trace with hash 890050945, now seen corresponding path program 1 times [2021-10-15 19:38:06,781 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-10-15 19:38:06,781 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1703892839] [2021-10-15 19:38:06,781 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-10-15 19:38:06,782 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-10-15 19:38:06,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:38:06,806 INFO L354 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-10-15 19:38:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-10-15 19:38:06,842 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-10-15 19:38:07,039 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:38:07,039 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:38:07,039 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:38:07,040 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:38:07,040 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-10-15 19:38:07,040 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:38:07,040 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:38:07,040 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:38:07,041 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_10x0-2.c_Iteration1_Loop [2021-10-15 19:38:07,041 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:38:07,041 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:38:07,057 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:38:07,067 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:38:07,075 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:38:07,078 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:38:07,089 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:38:07,104 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:38:07,179 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:38:07,180 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-10-15 19:38:07,183 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:38:07,183 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:38:07,191 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:38:07,199 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-10-15 19:38:07,200 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:38:07,200 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:38:07,230 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:38:07,230 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#t~ret7=0} Honda state: {sum_#t~ret7=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-15 19:38:07,256 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Forceful destruction successful, exit code 0 [2021-10-15 19:38:07,256 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:38:07,257 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:38:07,258 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:38:07,272 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-10-15 19:38:07,272 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:38:07,273 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:38:07,284 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:38:07,284 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_#res=0} Honda state: {sum_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-15 19:38:07,325 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-10-15 19:38:07,326 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:38:07,326 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:38:07,328 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:38:07,334 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:38:07,334 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:38:07,351 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-10-15 19:38:07,367 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2021-10-15 19:38:07,367 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {sum_~m=0} Honda state: {sum_~m=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] [2021-10-15 19:38:07,400 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-10-15 19:38:07,400 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:38:07,400 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:38:07,402 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:38:07,403 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-10-15 19:38:07,403 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-10-15 19:38:07,404 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:38:07,433 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 [2021-10-15 19:38:07,433 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:38:07,433 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:38:07,435 INFO L229 MonitoredProcess]: Starting monitored process 6 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:38:07,441 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Waiting until timeout for monitored process [2021-10-15 19:38:07,442 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-10-15 19:38:07,442 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-10-15 19:38:07,491 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-10-15 19:38:07,496 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (6)] Forceful destruction successful, exit code 0 [2021-10-15 19:38:07,497 INFO L210 LassoAnalysis]: Preferences: [2021-10-15 19:38:07,497 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-10-15 19:38:07,497 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-10-15 19:38:07,497 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-10-15 19:38:07,497 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-10-15 19:38:07,497 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:38:07,497 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-10-15 19:38:07,498 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-10-15 19:38:07,498 INFO L133 ssoRankerPreferences]: Filename of dumped script: sum_10x0-2.c_Iteration1_Loop [2021-10-15 19:38:07,498 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-10-15 19:38:07,498 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-10-15 19:38:07,499 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:38:07,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:38:07,506 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:38:07,509 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:38:07,515 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:38:07,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-10-15 19:38:07,563 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-10-15 19:38:07,568 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-10-15 19:38:07,569 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:38:07,569 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:38:07,570 INFO L229 MonitoredProcess]: Starting monitored process 7 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:38:07,587 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Waiting until timeout for monitored process [2021-10-15 19:38:07,588 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 [2021-10-15 19:38:07,598 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:38:07,598 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:38:07,598 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:38:07,599 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:38:07,599 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:38:07,602 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:38:07,602 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:38:07,619 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:38:07,653 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (7)] Forceful destruction successful, exit code 0 [2021-10-15 19:38:07,654 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:38:07,654 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:38:07,655 INFO L229 MonitoredProcess]: Starting monitored process 8 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:38:07,664 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 [2021-10-15 19:38:07,673 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:38:07,674 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:38:07,674 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:38:07,674 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:38:07,674 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:38:07,675 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:38:07,675 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:38:07,677 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Waiting until timeout for monitored process [2021-10-15 19:38:07,691 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:38:07,729 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (8)] Forceful destruction successful, exit code 0 [2021-10-15 19:38:07,729 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:38:07,730 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:38:07,732 INFO L229 MonitoredProcess]: Starting monitored process 9 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:38:07,735 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 [2021-10-15 19:38:07,745 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:38:07,745 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:38:07,746 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Waiting until timeout for monitored process [2021-10-15 19:38:07,746 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:38:07,746 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:38:07,746 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:38:07,748 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:38:07,748 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:38:07,750 INFO L527 LassoAnalysis]: Proving termination failed for this template and these settings. [2021-10-15 19:38:07,774 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (9)] Ended with exit code 0 [2021-10-15 19:38:07,774 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:38:07,774 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:38:07,775 INFO L229 MonitoredProcess]: Starting monitored process 10 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:38:07,777 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Waiting until timeout for monitored process [2021-10-15 19:38:07,778 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 [2021-10-15 19:38:07,786 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-10-15 19:38:07,786 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-10-15 19:38:07,786 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-10-15 19:38:07,786 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-10-15 19:38:07,786 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-10-15 19:38:07,792 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-10-15 19:38:07,792 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-10-15 19:38:07,796 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-10-15 19:38:07,820 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-10-15 19:38:07,820 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. [2021-10-15 19:38:07,822 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-10-15 19:38:07,822 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 [2021-10-15 19:38:07,826 INFO L229 MonitoredProcess]: Starting monitored process 11 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-10-15 19:38:07,859 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-10-15 19:38:07,859 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-10-15 19:38:07,859 INFO L513 LassoAnalysis]: Proved termination. [2021-10-15 19:38:07,859 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Waiting until timeout for monitored process [2021-10-15 19:38:07,860 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(sum_#in~n) = 1*sum_#in~n Supporting invariants [] [2021-10-15 19:38:07,883 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (10)] Ended with exit code 0 [2021-10-15 19:38:07,886 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-10-15 19:38:07,920 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-10-15 19:38:07,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:38:07,947 INFO L263 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 4 conjunts are in the unsatisfiable core [2021-10-15 19:38:07,949 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:38:07,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-10-15 19:38:07,975 INFO L263 TraceCheckSpWp]: Trace formula consists of 41 conjuncts, 7 conjunts are in the unsatisfiable core [2021-10-15 19:38:07,975 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-10-15 19:38:08,017 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-10-15 19:38:08,033 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2021-10-15 19:38:08,035 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:38:08,132 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 15 states, 11 states have (on average 1.1818181818181819) internal successors, (13), 11 states have internal predecessors, (13), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2). Second operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 30 states and 35 transitions. Complement of second has 12 states. [2021-10-15 19:38:08,133 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2021-10-15 19:38:08,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 2 states have call successors, (2), 1 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-10-15 19:38:08,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 8 transitions. [2021-10-15 19:38:08,137 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 3 letters. [2021-10-15 19:38:08,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:38:08,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 6 letters. Loop has 3 letters. [2021-10-15 19:38:08,139 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:38:08,139 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 8 transitions. Stem has 3 letters. Loop has 6 letters. [2021-10-15 19:38:08,140 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-10-15 19:38:08,141 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 35 transitions. [2021-10-15 19:38:08,147 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:38:08,150 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2021-10-15 19:38:08,151 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-10-15 19:38:08,154 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-10-15 19:38:08,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-10-15 19:38:08,155 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-10-15 19:38:08,155 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:38:08,156 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:38:08,156 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-10-15 19:38:08,156 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-10-15 19:38:08,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-10-15 19:38:08,156 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-10-15 19:38:08,159 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-10-15 19:38:08,164 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.10 07:38:08 BoogieIcfgContainer [2021-10-15 19:38:08,164 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-10-15 19:38:08,167 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-10-15 19:38:08,167 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-10-15 19:38:08,168 INFO L275 PluginConnector]: Witness Printer initialized [2021-10-15 19:38:08,168 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.10 07:38:06" (3/4) ... [2021-10-15 19:38:08,171 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-10-15 19:38:08,171 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-10-15 19:38:08,175 INFO L168 Benchmark]: Toolchain (without parser) took 2401.60 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 69.1 MB in the beginning and 71.5 MB in the end (delta: -2.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:38:08,177 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 102.8 MB. Free memory was 55.8 MB in the beginning and 55.8 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:38:08,178 INFO L168 Benchmark]: CACSL2BoogieTranslator took 255.35 ms. Allocated memory is still 102.8 MB. Free memory was 68.9 MB in the beginning and 77.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:38:08,180 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.32 ms. Allocated memory is still 102.8 MB. Free memory was 77.9 MB in the beginning and 76.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-10-15 19:38:08,186 INFO L168 Benchmark]: Boogie Preprocessor took 45.31 ms. Allocated memory is still 102.8 MB. Free memory was 76.5 MB in the beginning and 75.5 MB in the end (delta: 962.0 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:38:08,187 INFO L168 Benchmark]: RCFGBuilder took 336.75 ms. Allocated memory is still 102.8 MB. Free memory was 75.5 MB in the beginning and 66.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-10-15 19:38:08,188 INFO L168 Benchmark]: BuchiAutomizer took 1707.29 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 66.8 MB in the beginning and 72.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. [2021-10-15 19:38:08,189 INFO L168 Benchmark]: Witness Printer took 4.42 ms. Allocated memory is still 127.9 MB. Free memory is still 71.5 MB. There was no memory consumed. Max. memory is 16.1 GB. [2021-10-15 19:38:08,198 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 102.8 MB. Free memory was 55.8 MB in the beginning and 55.8 MB in the end (delta: 42.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 255.35 ms. Allocated memory is still 102.8 MB. Free memory was 68.9 MB in the beginning and 77.9 MB in the end (delta: -9.0 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 43.32 ms. Allocated memory is still 102.8 MB. Free memory was 77.9 MB in the beginning and 76.5 MB in the end (delta: 1.5 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 45.31 ms. Allocated memory is still 102.8 MB. Free memory was 76.5 MB in the beginning and 75.5 MB in the end (delta: 962.0 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 336.75 ms. Allocated memory is still 102.8 MB. Free memory was 75.5 MB in the beginning and 66.8 MB in the end (delta: 8.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1707.29 ms. Allocated memory was 102.8 MB in the beginning and 127.9 MB in the end (delta: 25.2 MB). Free memory was 66.8 MB in the beginning and 72.1 MB in the end (delta: -5.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 16.1 GB. * Witness Printer took 4.42 ms. Allocated memory is still 127.9 MB. Free memory is still 71.5 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 \old(n) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.6s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. 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: 5 SDtfs, 8 SDslu, 2 SDs, 0 SdLazy, 18 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 23.5ms Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp66 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie111 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 50ms VariablesStem: 0 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 3 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! [2021-10-15 19:38:08,248 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (11)] Forceful destruction successful, exit code 0 [2021-10-15 19:38:08,460 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_2c06da24-d5f3-4d2c-a409-3b3b0825e3ea/bin/uautomizer-hJ6jxDFKc3/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request...