./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c -s /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(F end) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash b0a853f0131530f88013a3fcfdf4f133f41c0569 ........................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 21:07:00,961 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 21:07:00,962 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 21:07:00,972 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 21:07:00,972 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 21:07:00,973 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 21:07:00,974 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 21:07:00,976 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 21:07:00,978 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 21:07:00,979 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 21:07:00,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 21:07:00,980 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 21:07:00,981 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 21:07:00,981 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 21:07:00,982 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 21:07:00,983 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 21:07:00,984 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 21:07:00,984 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 21:07:00,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 21:07:00,988 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 21:07:00,989 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 21:07:00,990 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 21:07:00,991 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 21:07:00,992 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 21:07:00,994 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 21:07:00,994 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 21:07:00,995 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 21:07:00,995 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 21:07:00,996 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 21:07:00,997 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 21:07:00,997 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 21:07:00,997 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 21:07:00,998 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 21:07:00,999 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 21:07:00,999 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 21:07:01,000 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 21:07:01,000 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 21:07:01,000 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 21:07:01,001 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 21:07:01,001 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 21:07:01,002 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 21:07:01,008 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-11-15 21:07:01,027 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 21:07:01,028 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 21:07:01,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 21:07:01,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 21:07:01,030 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 21:07:01,030 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 21:07:01,030 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 21:07:01,030 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 21:07:01,030 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 21:07:01,031 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 21:07:01,032 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 21:07:01,032 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 21:07:01,032 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 21:07:01,032 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 21:07:01,033 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 21:07:01,033 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 21:07:01,033 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 21:07:01,033 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 21:07:01,033 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 21:07:01,034 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 21:07:01,034 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 21:07:01,034 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 21:07:01,034 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 21:07:01,035 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 21:07:01,035 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 21:07:01,035 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 21:07:01,035 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 21:07:01,035 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 21:07:01,036 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 21:07:01,036 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR 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-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b0a853f0131530f88013a3fcfdf4f133f41c0569 [2019-11-15 21:07:01,077 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 21:07:01,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 21:07:01,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 21:07:01,097 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 21:07:01,097 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 21:07:01,099 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/../../sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2019-11-15 21:07:01,161 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/data/d36a8193c/4b2674f4a311418e80d727412d29bad9/FLAG9f311d0b3 [2019-11-15 21:07:01,543 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 21:07:01,544 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/sv-benchmarks/c/termination-crafted-lit/ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2019-11-15 21:07:01,549 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/data/d36a8193c/4b2674f4a311418e80d727412d29bad9/FLAG9f311d0b3 [2019-11-15 21:07:01,566 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/data/d36a8193c/4b2674f4a311418e80d727412d29bad9 [2019-11-15 21:07:01,569 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 21:07:01,570 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 21:07:01,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 21:07:01,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 21:07:01,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 21:07:01,577 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:07:01" (1/1) ... [2019-11-15 21:07:01,579 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1aba37a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:07:01, skipping insertion in model container [2019-11-15 21:07:01,579 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 09:07:01" (1/1) ... [2019-11-15 21:07:01,586 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 21:07:01,603 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 21:07:01,805 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:07:01,809 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 21:07:01,824 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 21:07:01,836 INFO L192 MainTranslator]: Completed translation [2019-11-15 21:07:01,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:07:01 WrapperNode [2019-11-15 21:07:01,836 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 21:07:01,837 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 21:07:01,837 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 21:07:01,837 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 21:07:01,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:07:01" (1/1) ... [2019-11-15 21:07:01,849 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:07:01" (1/1) ... [2019-11-15 21:07:01,862 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 21:07:01,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 21:07:01,862 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 21:07:01,862 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 21:07:01,868 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:07:01" (1/1) ... [2019-11-15 21:07:01,868 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:07:01" (1/1) ... [2019-11-15 21:07:01,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:07:01" (1/1) ... [2019-11-15 21:07:01,869 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:07:01" (1/1) ... [2019-11-15 21:07:01,870 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:07:01" (1/1) ... [2019-11-15 21:07:01,874 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:07:01" (1/1) ... [2019-11-15 21:07:01,874 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:07:01" (1/1) ... [2019-11-15 21:07:01,876 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 21:07:01,876 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 21:07:01,876 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 21:07:01,876 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 21:07:01,877 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:07:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 21:07:01,936 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 21:07:01,936 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 21:07:02,107 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 21:07:02,107 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-15 21:07:02,108 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:07:02 BoogieIcfgContainer [2019-11-15 21:07:02,108 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 21:07:02,109 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 21:07:02,109 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 21:07:02,112 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 21:07:02,112 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 21:07:02,113 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 09:07:01" (1/3) ... [2019-11-15 21:07:02,113 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7702bcac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 09:07:02, skipping insertion in model container [2019-11-15 21:07:02,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 21:07:02,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 09:07:01" (2/3) ... [2019-11-15 21:07:02,114 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@7702bcac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 09:07:02, skipping insertion in model container [2019-11-15 21:07:02,114 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 21:07:02,114 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:07:02" (3/3) ... [2019-11-15 21:07:02,116 INFO L371 chiAutomizerObserver]: Analyzing ICFG ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c [2019-11-15 21:07:02,155 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 21:07:02,155 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 21:07:02,155 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 21:07:02,156 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 21:07:02,156 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 21:07:02,156 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 21:07:02,156 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 21:07:02,156 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 21:07:02,168 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-15 21:07:02,186 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-15 21:07:02,186 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 21:07:02,186 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 21:07:02,192 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 21:07:02,192 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-15 21:07:02,192 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 21:07:02,193 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-11-15 21:07:02,194 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-15 21:07:02,194 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 21:07:02,194 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 21:07:02,194 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-11-15 21:07:02,194 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-11-15 21:07:02,202 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~y~0, main_~i~0, main_~r~0, main_~N~0;havoc main_~x~0;havoc main_~y~0;havoc main_~i~0;havoc main_~r~0;havoc main_~N~0;main_~N~0 := 10;main_~x~0 := 0;main_~y~0 := 0;main_~i~0 := 0; 3#L22-1true [2019-11-15 21:07:02,202 INFO L793 eck$LassoCheckResult]: Loop: 3#L22-1true assume !!(main_~i~0 < main_~N~0);main_~i~0 := 1 + main_~i~0;main_~r~0 := main_#t~nondet0;havoc main_#t~nondet0; 6#L22true assume !(main_~r~0 >= 0 && main_~r~0 <= 3); 3#L22-1true [2019-11-15 21:07:02,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:07:02,207 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-11-15 21:07:02,215 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:07:02,215 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401207495] [2019-11-15 21:07:02,215 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:07:02,215 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:07:02,216 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:07:02,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:07:02,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:07:02,303 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 21:07:02,303 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:07:02,304 INFO L82 PathProgramCache]: Analyzing trace with hash 1307, now seen corresponding path program 1 times [2019-11-15 21:07:02,304 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:07:02,304 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646242855] [2019-11-15 21:07:02,304 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:07:02,304 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:07:02,305 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:07:02,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:07:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:07:02,320 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 21:07:02,321 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:07:02,321 INFO L82 PathProgramCache]: Analyzing trace with hash 31098, now seen corresponding path program 1 times [2019-11-15 21:07:02,322 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 21:07:02,322 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18149681] [2019-11-15 21:07:02,322 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:07:02,322 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 21:07:02,322 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 21:07:02,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:07:02,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 21:07:02,335 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 21:07:02,410 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 21:07:02,410 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 21:07:02,411 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 21:07:02,411 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 21:07:02,411 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 21:07:02,411 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 21:07:02,411 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 21:07:02,411 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 21:07:02,412 INFO L131 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop [2019-11-15 21:07:02,412 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 21:07:02,412 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 21:07:02,429 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:07:02,439 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:07:02,450 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:07:02,462 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:07:02,560 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 21:07:02,562 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 21:07:02,587 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 21:07:02,587 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 21:07:02,598 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 21:07:02,598 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 21:07:02,617 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 21:07:02,617 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 21:07:02,623 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 21:07:02,623 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 21:07:02,639 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 21:07:02,639 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 21:07:02,647 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 21:07:02,648 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=4, ULTIMATE.start_main_~r~0=4} Honda state: {ULTIMATE.start_main_#t~nondet0=4, ULTIMATE.start_main_~r~0=4} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 21:07:02,662 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 21:07:02,662 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_9aa4b88b-c8c9-4e4c-9cdd-2374e2647403/bin/uautomizer/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 21:07:02,681 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 21:07:02,682 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 21:07:02,817 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 21:07:02,819 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 21:07:02,819 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 21:07:02,820 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 21:07:02,820 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 21:07:02,820 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 21:07:02,820 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 21:07:02,820 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 21:07:02,820 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 21:07:02,820 INFO L131 ssoRankerPreferences]: Filename of dumped script: ChawdharyCookGulwaniSagivYang-ESOP2008-random2d.c_Iteration1_Loop [2019-11-15 21:07:02,821 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 21:07:02,821 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 21:07:02,823 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:07:02,840 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:07:02,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:07:02,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 21:07:02,951 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 21:07:02,955 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 21:07:02,956 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 21:07:02,957 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 21:07:02,957 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 21:07:02,957 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 21:07:02,958 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 21:07:02,961 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 21:07:02,961 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 21:07:02,968 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 21:07:02,968 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 21:07:02,969 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 21:07:02,969 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 21:07:02,969 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 21:07:02,969 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 21:07:02,972 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 21:07:02,972 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 21:07:02,980 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 21:07:02,980 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 21:07:02,981 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 21:07:02,981 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 21:07:02,982 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 21:07:02,982 INFO L203 nArgumentSynthesizer]: 2 loop disjuncts [2019-11-15 21:07:02,982 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 21:07:02,983 INFO L400 nArgumentSynthesizer]: We have 4 Motzkin's Theorem applications. [2019-11-15 21:07:02,984 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 21:07:02,995 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 21:07:02,996 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2019-11-15 21:07:02,997 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 21:07:02,997 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 21:07:02,997 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 21:07:02,997 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 21:07:02,997 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 21:07:02,998 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 21:07:02,998 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 21:07:03,004 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 21:07:03,012 INFO L443 ModelExtractionUtils]: Simplification made 4 calls to the SMT solver. [2019-11-15 21:07:03,012 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-11-15 21:07:03,014 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 21:07:03,014 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 21:07:03,014 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 21:07:03,015 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0, ULTIMATE.start_main_~N~0) = -1*ULTIMATE.start_main_~i~0 + 1*ULTIMATE.start_main_~N~0 Supporting invariants [] [2019-11-15 21:07:03,017 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 21:07:03,045 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 21:07:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:07:03,055 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 21:07:03,056 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:07:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 21:07:03,065 WARN L254 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 21:07:03,065 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 21:07:03,092 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 21:07:03,103 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-11-15 21:07:03,104 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-11-15 21:07:03,142 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 27 states and 40 transitions. Complement of second has 5 states. [2019-11-15 21:07:03,142 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-15 21:07:03,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-15 21:07:03,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 23 transitions. [2019-11-15 21:07:03,146 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 2 letters. [2019-11-15 21:07:03,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 21:07:03,147 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 3 letters. Loop has 2 letters. [2019-11-15 21:07:03,147 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 21:07:03,148 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 23 transitions. Stem has 1 letters. Loop has 4 letters. [2019-11-15 21:07:03,148 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 21:07:03,149 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 27 states and 40 transitions. [2019-11-15 21:07:03,151 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 21:07:03,154 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 27 states to 0 states and 0 transitions. [2019-11-15 21:07:03,155 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 21:07:03,155 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 21:07:03,155 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 21:07:03,156 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 21:07:03,156 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:07:03,156 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:07:03,156 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 21:07:03,156 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 21:07:03,156 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 21:07:03,156 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 21:07:03,157 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 21:07:03,162 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 09:07:03 BoogieIcfgContainer [2019-11-15 21:07:03,162 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 21:07:03,162 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 21:07:03,163 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 21:07:03,163 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 21:07:03,163 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 09:07:02" (3/4) ... [2019-11-15 21:07:03,166 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 21:07:03,166 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 21:07:03,168 INFO L168 Benchmark]: Toolchain (without parser) took 1597.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 942.4 MB in the beginning and 1.0 GB in the end (delta: -89.8 MB). Peak memory consumption was 55.9 MB. Max. memory is 11.5 GB. [2019-11-15 21:07:03,169 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:07:03,170 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -198.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-15 21:07:03,170 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:07:03,170 INFO L168 Benchmark]: Boogie Preprocessor took 13.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:07:03,171 INFO L168 Benchmark]: RCFGBuilder took 232.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-11-15 21:07:03,172 INFO L168 Benchmark]: BuchiAutomizer took 1053.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. [2019-11-15 21:07:03,172 INFO L168 Benchmark]: Witness Printer took 3.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 21:07:03,175 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 963.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 264.20 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 145.8 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -198.1 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.66 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 232.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1053.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 91.3 MB). Peak memory consumption was 91.3 MB. Max. memory is 11.5 GB. * Witness Printer took 3.88 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 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 -1 * i + N and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. 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: 14 SDtfs, 14 SDslu, 13 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital22 mio100 ax154 hnf94 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq133 hnf93 smp100 dnf146 smp100 tf109 neg100 sie116 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 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! Received shutdown request...