./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-lit/cggmp2005.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f8e1c903 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-lit/cggmp2005.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX --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 d9c82f96058e75055db08c6be05f7339c74a06f1004576b8854261e31deb5a7c --- Real Ultimate output --- This is Ultimate 0.2.1-dev-f8e1c90 [2021-11-09 09:33:02,928 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-11-09 09:33:02,930 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-11-09 09:33:02,963 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-11-09 09:33:02,964 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-11-09 09:33:02,965 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-11-09 09:33:02,967 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-11-09 09:33:02,970 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-11-09 09:33:02,972 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-11-09 09:33:02,973 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-11-09 09:33:02,974 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-11-09 09:33:02,976 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-11-09 09:33:02,976 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-11-09 09:33:02,978 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-11-09 09:33:02,979 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-11-09 09:33:02,981 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-11-09 09:33:02,982 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-11-09 09:33:02,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-11-09 09:33:02,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-11-09 09:33:02,989 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-11-09 09:33:02,991 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-11-09 09:33:03,001 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-11-09 09:33:03,003 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-11-09 09:33:03,004 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-11-09 09:33:03,008 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-11-09 09:33:03,008 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-11-09 09:33:03,009 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-11-09 09:33:03,010 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-11-09 09:33:03,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-11-09 09:33:03,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-11-09 09:33:03,021 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-11-09 09:33:03,022 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-11-09 09:33:03,023 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-11-09 09:33:03,024 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-11-09 09:33:03,025 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-11-09 09:33:03,026 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-11-09 09:33:03,026 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-11-09 09:33:03,027 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-11-09 09:33:03,027 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-11-09 09:33:03,028 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-11-09 09:33:03,029 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-11-09 09:33:03,030 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/config/svcomp-Termination-32bit-Automizer_Default.epf [2021-11-09 09:33:03,066 INFO L113 SettingsManager]: Loading preferences was successful [2021-11-09 09:33:03,066 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-11-09 09:33:03,066 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-11-09 09:33:03,067 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-11-09 09:33:03,068 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-11-09 09:33:03,068 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-11-09 09:33:03,068 INFO L138 SettingsManager]: * Use SBE=true [2021-11-09 09:33:03,069 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2021-11-09 09:33:03,069 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2021-11-09 09:33:03,069 INFO L138 SettingsManager]: * Use old map elimination=false [2021-11-09 09:33:03,069 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2021-11-09 09:33:03,070 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2021-11-09 09:33:03,070 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2021-11-09 09:33:03,070 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-11-09 09:33:03,070 INFO L138 SettingsManager]: * sizeof long=4 [2021-11-09 09:33:03,071 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-11-09 09:33:03,071 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-11-09 09:33:03,071 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-11-09 09:33:03,071 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-11-09 09:33:03,071 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2021-11-09 09:33:03,072 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2021-11-09 09:33:03,072 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2021-11-09 09:33:03,072 INFO L138 SettingsManager]: * sizeof long double=12 [2021-11-09 09:33:03,072 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-11-09 09:33:03,073 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2021-11-09 09:33:03,073 INFO L138 SettingsManager]: * Use constant arrays=true [2021-11-09 09:33:03,073 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2021-11-09 09:33:03,073 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-11-09 09:33:03,074 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-11-09 09:33:03,074 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-11-09 09:33:03,074 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-11-09 09:33:03,074 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-11-09 09:33:03,075 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2021-11-09 09:33:03,075 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_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d9c82f96058e75055db08c6be05f7339c74a06f1004576b8854261e31deb5a7c [2021-11-09 09:33:03,423 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-11-09 09:33:03,453 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-11-09 09:33:03,456 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-11-09 09:33:03,457 INFO L271 PluginConnector]: Initializing CDTParser... [2021-11-09 09:33:03,458 INFO L275 PluginConnector]: CDTParser initialized [2021-11-09 09:33:03,459 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/../../sv-benchmarks/c/loop-lit/cggmp2005.i [2021-11-09 09:33:03,529 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/data/e315910d3/166ca0ffb5ca408ca20690a597191533/FLAG46f01f80d [2021-11-09 09:33:03,993 INFO L306 CDTParser]: Found 1 translation units. [2021-11-09 09:33:03,994 INFO L160 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/sv-benchmarks/c/loop-lit/cggmp2005.i [2021-11-09 09:33:04,000 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/data/e315910d3/166ca0ffb5ca408ca20690a597191533/FLAG46f01f80d [2021-11-09 09:33:04,395 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/data/e315910d3/166ca0ffb5ca408ca20690a597191533 [2021-11-09 09:33:04,398 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-11-09 09:33:04,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-11-09 09:33:04,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-11-09 09:33:04,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-11-09 09:33:04,406 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-11-09 09:33:04,407 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:33:04" (1/1) ... [2021-11-09 09:33:04,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b7014f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:33:04, skipping insertion in model container [2021-11-09 09:33:04,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 09:33:04" (1/1) ... [2021-11-09 09:33:04,417 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-11-09 09:33:04,431 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-11-09 09:33:04,609 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_4318b656-cf2d-4c45-949f-2a0e3ed49a00/sv-benchmarks/c/loop-lit/cggmp2005.i[895,908] [2021-11-09 09:33:04,614 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:33:04,623 INFO L203 MainTranslator]: Completed pre-run [2021-11-09 09:33:04,634 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_4318b656-cf2d-4c45-949f-2a0e3ed49a00/sv-benchmarks/c/loop-lit/cggmp2005.i[895,908] [2021-11-09 09:33:04,636 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-11-09 09:33:04,649 INFO L208 MainTranslator]: Completed translation [2021-11-09 09:33:04,649 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:33:04 WrapperNode [2021-11-09 09:33:04,649 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-11-09 09:33:04,651 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-11-09 09:33:04,651 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-11-09 09:33:04,651 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-11-09 09:33:04,659 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:33:04" (1/1) ... [2021-11-09 09:33:04,666 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:33:04" (1/1) ... [2021-11-09 09:33:04,682 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-11-09 09:33:04,683 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-11-09 09:33:04,683 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-11-09 09:33:04,683 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-11-09 09:33:04,689 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:33:04" (1/1) ... [2021-11-09 09:33:04,689 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:33:04" (1/1) ... [2021-11-09 09:33:04,690 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:33:04" (1/1) ... [2021-11-09 09:33:04,690 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:33:04" (1/1) ... [2021-11-09 09:33:04,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:33:04" (1/1) ... [2021-11-09 09:33:04,696 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:33:04" (1/1) ... [2021-11-09 09:33:04,697 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:33:04" (1/1) ... [2021-11-09 09:33:04,698 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-11-09 09:33:04,699 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-11-09 09:33:04,699 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-11-09 09:33:04,699 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-11-09 09:33:04,711 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:33:04" (1/1) ... [2021-11-09 09:33:04,718 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:33:04,729 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:33:04,746 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:33:04,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Waiting until timeout for monitored process [2021-11-09 09:33:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-11-09 09:33:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-11-09 09:33:04,783 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-11-09 09:33:04,783 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-11-09 09:33:04,934 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-11-09 09:33:04,934 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-11-09 09:33:04,936 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:33:04 BoogieIcfgContainer [2021-11-09 09:33:04,936 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-11-09 09:33:04,937 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2021-11-09 09:33:04,937 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2021-11-09 09:33:04,941 INFO L275 PluginConnector]: BuchiAutomizer initialized [2021-11-09 09:33:04,942 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:33:04,942 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 09.11 09:33:04" (1/3) ... [2021-11-09 09:33:04,943 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b1c3921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:33:04, skipping insertion in model container [2021-11-09 09:33:04,944 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:33:04,944 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 09:33:04" (2/3) ... [2021-11-09 09:33:04,944 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1b1c3921 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 09.11 09:33:04, skipping insertion in model container [2021-11-09 09:33:04,944 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2021-11-09 09:33:04,944 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:33:04" (3/3) ... [2021-11-09 09:33:04,946 INFO L389 chiAutomizerObserver]: Analyzing ICFG cggmp2005.i [2021-11-09 09:33:04,988 INFO L359 BuchiCegarLoop]: Interprodecural is true [2021-11-09 09:33:04,988 INFO L360 BuchiCegarLoop]: Hoare is false [2021-11-09 09:33:04,988 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2021-11-09 09:33:04,988 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2021-11-09 09:33:04,989 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2021-11-09 09:33:04,989 INFO L364 BuchiCegarLoop]: Difference is false [2021-11-09 09:33:04,989 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2021-11-09 09:33:04,989 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2021-11-09 09:33:05,000 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-11-09 09:33:05,014 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-09 09:33:05,015 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:33:05,015 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:33:05,019 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-09 09:33:05,019 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-09 09:33:05,019 INFO L425 BuchiCegarLoop]: ======== Iteration 1============ [2021-11-09 09:33:05,019 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 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) [2021-11-09 09:33:05,020 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2021-11-09 09:33:05,021 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2021-11-09 09:33:05,021 INFO L119 BuchiIsEmpty]: Starting construction of run [2021-11-09 09:33:05,021 INFO L842 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2021-11-09 09:33:05,021 INFO L843 BuchiCegarLoop]: Counterexample loop histogram [1] [2021-11-09 09:33:05,026 INFO L791 eck$LassoCheckResult]: Stem: 5#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); 10#L-1true havoc main_#res;havoc main_~i~0, main_~j~0;havoc main_~i~0;havoc main_~j~0;main_~i~0 := 1;main_~j~0 := 10; 8#L28-2true [2021-11-09 09:33:05,026 INFO L793 eck$LassoCheckResult]: Loop: 8#L28-2true assume !!(main_~j~0 >= main_~i~0);main_~i~0 := 2 + main_~i~0;main_~j~0 := -1 + main_~j~0; 8#L28-2true [2021-11-09 09:33:05,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:33:05,031 INFO L85 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2021-11-09 09:33:05,037 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:33:05,037 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934663330] [2021-11-09 09:33:05,038 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:33:05,039 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:33:05,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:33:05,116 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:33:05,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:33:05,148 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:33:05,151 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:33:05,151 INFO L85 PathProgramCache]: Analyzing trace with hash 42, now seen corresponding path program 1 times [2021-11-09 09:33:05,151 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:33:05,152 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [839864901] [2021-11-09 09:33:05,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:33:05,152 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:33:05,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:33:05,159 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:33:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:33:05,165 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:33:05,167 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:33:05,168 INFO L85 PathProgramCache]: Analyzing trace with hash 29864, now seen corresponding path program 1 times [2021-11-09 09:33:05,168 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-11-09 09:33:05,168 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2081139315] [2021-11-09 09:33:05,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-11-09 09:33:05,169 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-11-09 09:33:05,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:33:05,186 INFO L355 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-11-09 09:33:05,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-11-09 09:33:05,205 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-11-09 09:33:05,267 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:33:05,267 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:33:05,267 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:33:05,268 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:33:05,268 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2021-11-09 09:33:05,268 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:33:05,268 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:33:05,268 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:33:05,268 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005.i_Iteration1_Loop [2021-11-09 09:33:05,269 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:33:05,269 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:33:05,284 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:33:05,370 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:33:05,371 INFO L404 LassoAnalysis]: Checking for nontermination... [2021-11-09 09:33:05,373 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:33:05,373 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:33:05,375 INFO L229 MonitoredProcess]: Starting monitored process 2 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:33:05,380 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2021-11-09 09:33:05,380 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:33:05,395 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Waiting until timeout for monitored process [2021-11-09 09:33:05,437 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (2)] Ended with exit code 0 [2021-11-09 09:33:05,438 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:33:05,438 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:33:05,445 INFO L229 MonitoredProcess]: Starting monitored process 3 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:33:05,456 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2021-11-09 09:33:05,457 INFO L160 nArgumentSynthesizer]: Using integer mode. [2021-11-09 09:33:05,488 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Waiting until timeout for monitored process [2021-11-09 09:33:05,572 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2021-11-09 09:33:05,578 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (3)] Forceful destruction successful, exit code 0 [2021-11-09 09:33:05,578 INFO L210 LassoAnalysis]: Preferences: [2021-11-09 09:33:05,579 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2021-11-09 09:33:05,579 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2021-11-09 09:33:05,579 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2021-11-09 09:33:05,579 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2021-11-09 09:33:05,579 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:33:05,579 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2021-11-09 09:33:05,579 INFO L132 ssoRankerPreferences]: Path of dumped script: [2021-11-09 09:33:05,579 INFO L133 ssoRankerPreferences]: Filename of dumped script: cggmp2005.i_Iteration1_Loop [2021-11-09 09:33:05,579 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2021-11-09 09:33:05,579 INFO L276 LassoAnalysis]: Starting lasso preprocessing... [2021-11-09 09:33:05,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2021-11-09 09:33:05,669 INFO L294 LassoAnalysis]: Preprocessing complete. [2021-11-09 09:33:05,673 INFO L490 LassoAnalysis]: Using template 'affine'. [2021-11-09 09:33:05,675 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:33:05,675 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:33:05,677 INFO L229 MonitoredProcess]: Starting monitored process 4 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:33:05,684 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 [2021-11-09 09:33:05,695 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2021-11-09 09:33:05,695 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2021-11-09 09:33:05,695 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2021-11-09 09:33:05,696 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2021-11-09 09:33:05,696 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2021-11-09 09:33:05,696 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Waiting until timeout for monitored process [2021-11-09 09:33:05,701 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2021-11-09 09:33:05,703 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2021-11-09 09:33:05,716 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2021-11-09 09:33:05,735 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2021-11-09 09:33:05,735 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2021-11-09 09:33:05,737 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2021-11-09 09:33:05,737 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 [2021-11-09 09:33:05,739 INFO L229 MonitoredProcess]: Starting monitored process 5 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2021-11-09 09:33:05,745 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2021-11-09 09:33:05,745 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2021-11-09 09:33:05,746 INFO L513 LassoAnalysis]: Proved termination. [2021-11-09 09:33:05,747 INFO L515 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~j~0, ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~j~0 - 2*ULTIMATE.start_main_~i~0 + 3 Supporting invariants [] [2021-11-09 09:33:05,759 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Waiting until timeout for monitored process [2021-11-09 09:33:05,772 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (4)] Forceful destruction successful, exit code 0 [2021-11-09 09:33:05,775 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2021-11-09 09:33:05,807 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-11-09 09:33:05,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:33:05,826 INFO L263 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2021-11-09 09:33:05,827 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:33:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-11-09 09:33:05,851 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 5 conjunts are in the unsatisfiable core [2021-11-09 09:33:05,854 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-11-09 09:33:05,854 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-11-09 09:33:05,871 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2021-11-09 09:33:05,873 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:33:05,927 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand has 10 states, 9 states have (on average 1.3333333333333333) internal successors, (12), 9 states have internal predecessors, (12), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0). Second operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Result 25 states and 30 transitions. Complement of second has 5 states. [2021-11-09 09:33:05,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2021-11-09 09:33:05,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-11-09 09:33:05,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 19 transitions. [2021-11-09 09:33:05,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 1 letters. [2021-11-09 09:33:05,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:33:05,931 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 3 letters. Loop has 1 letters. [2021-11-09 09:33:05,931 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:33:05,932 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 19 transitions. Stem has 2 letters. Loop has 2 letters. [2021-11-09 09:33:05,932 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2021-11-09 09:33:05,932 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 25 states and 30 transitions. [2021-11-09 09:33:05,935 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 09:33:05,937 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 25 states to 0 states and 0 transitions. [2021-11-09 09:33:05,938 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2021-11-09 09:33:05,938 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2021-11-09 09:33:05,939 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2021-11-09 09:33:05,939 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2021-11-09 09:33:05,939 INFO L681 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:33:05,939 INFO L704 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:33:05,939 INFO L587 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-11-09 09:33:05,939 INFO L425 BuchiCegarLoop]: ======== Iteration 2============ [2021-11-09 09:33:05,940 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2021-11-09 09:33:05,940 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2021-11-09 09:33:05,940 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2021-11-09 09:33:05,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 09.11 09:33:05 BoogieIcfgContainer [2021-11-09 09:33:05,959 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2021-11-09 09:33:05,960 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-11-09 09:33:05,960 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-11-09 09:33:05,961 INFO L275 PluginConnector]: Witness Printer initialized [2021-11-09 09:33:05,961 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 09:33:04" (3/4) ... [2021-11-09 09:33:05,964 INFO L140 WitnessPrinter]: No result that supports witness generation found [2021-11-09 09:33:05,964 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-11-09 09:33:05,965 INFO L168 Benchmark]: Toolchain (without parser) took 1564.77 ms. Allocated memory is still 107.0 MB. Free memory was 69.3 MB in the beginning and 83.0 MB in the end (delta: -13.7 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:33:05,969 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 107.0 MB. Free memory was 86.3 MB in the beginning and 86.2 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:33:05,970 INFO L168 Benchmark]: CACSL2BoogieTranslator took 247.97 ms. Allocated memory is still 107.0 MB. Free memory was 69.1 MB in the beginning and 82.8 MB in the end (delta: -13.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:33:05,972 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.16 ms. Allocated memory is still 107.0 MB. Free memory was 82.8 MB in the beginning and 81.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2021-11-09 09:33:05,973 INFO L168 Benchmark]: Boogie Preprocessor took 15.58 ms. Allocated memory is still 107.0 MB. Free memory was 81.6 MB in the beginning and 80.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:33:05,974 INFO L168 Benchmark]: RCFGBuilder took 237.60 ms. Allocated memory is still 107.0 MB. Free memory was 80.5 MB in the beginning and 71.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:33:05,976 INFO L168 Benchmark]: BuchiAutomizer took 1022.36 ms. Allocated memory is still 107.0 MB. Free memory was 71.9 MB in the beginning and 83.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. [2021-11-09 09:33:05,981 INFO L168 Benchmark]: Witness Printer took 3.65 ms. Allocated memory is still 107.0 MB. Free memory was 83.3 MB in the beginning and 83.0 MB in the end (delta: 289.6 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-11-09 09:33:05,987 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 107.0 MB. Free memory was 86.3 MB in the beginning and 86.2 MB in the end (delta: 64.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 247.97 ms. Allocated memory is still 107.0 MB. Free memory was 69.1 MB in the beginning and 82.8 MB in the end (delta: -13.7 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 31.16 ms. Allocated memory is still 107.0 MB. Free memory was 82.8 MB in the beginning and 81.6 MB in the end (delta: 1.2 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 15.58 ms. Allocated memory is still 107.0 MB. Free memory was 81.6 MB in the beginning and 80.5 MB in the end (delta: 1.1 MB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 237.60 ms. Allocated memory is still 107.0 MB. Free memory was 80.5 MB in the beginning and 71.9 MB in the end (delta: 8.6 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 1022.36 ms. Allocated memory is still 107.0 MB. Free memory was 71.9 MB in the beginning and 83.3 MB in the end (delta: -11.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 16.1 GB. * Witness Printer took 3.65 ms. Allocated memory is still 107.0 MB. Free memory was 83.3 MB in the beginning and 83.0 MB in the end (delta: 289.6 kB). 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 2 * j + -2 * i + 3 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.9s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 7 SDtfs, 8 SDslu, 5 SDs, 0 SdLazy, 5 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 71ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating [2021-11-09 09:33:06,013 INFO L540 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (5)] Forceful destruction successful, exit code 0 RESULT: Ultimate proved your program to be correct! [2021-11-09 09:33:06,049 INFO L552 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_4318b656-cf2d-4c45-949f-2a0e3ed49a00/bin/uautomizer-IVEQpCNsaX/z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE