./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-invgen/large_const.i --full-output --architecture 32bit -------------------------------------------------------------------------------- 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_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-invgen/large_const.i -s /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/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 32bit --witnessprinter.graph.data.programhash b03e1cb325e2c3a8ef30197a8e07012b3a728d97 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 23:47:43,988 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:47:43,990 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:47:44,005 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:47:44,005 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:47:44,006 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:47:44,008 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:47:44,017 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:47:44,022 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:47:44,027 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:47:44,027 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:47:44,029 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:47:44,029 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:47:44,031 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:47:44,032 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:47:44,033 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:47:44,034 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:47:44,034 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:47:44,037 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:47:44,040 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:47:44,044 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:47:44,045 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:47:44,049 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:47:44,049 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:47:44,052 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:47:44,053 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:47:44,053 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:47:44,054 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:47:44,055 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:47:44,056 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:47:44,056 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:47:44,056 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:47:44,057 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:47:44,058 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:47:44,059 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:47:44,059 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:47:44,060 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:47:44,060 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:47:44,060 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:47:44,061 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:47:44,062 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:47:44,063 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 23:47:44,092 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:47:44,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:47:44,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:47:44,094 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:47:44,094 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:47:44,094 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 23:47:44,094 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 23:47:44,094 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 23:47:44,095 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 23:47:44,095 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 23:47:44,095 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 23:47:44,095 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:47:44,095 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:47:44,096 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 23:47:44,096 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:47:44,096 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:47:44,096 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:47:44,097 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 23:47:44,097 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 23:47:44,097 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 23:47:44,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:47:44,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:47:44,098 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 23:47:44,098 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:47:44,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 23:47:44,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:47:44,098 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:47:44,099 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 23:47:44,099 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:47:44,099 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:47:44,099 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 23:47:44,100 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 23:47:44,100 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_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> b03e1cb325e2c3a8ef30197a8e07012b3a728d97 [2019-11-15 23:47:44,150 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:47:44,165 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:47:44,169 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:47:44,171 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:47:44,171 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:47:44,172 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/bin/uautomizer/../../sv-benchmarks/c/loop-invgen/large_const.i [2019-11-15 23:47:44,230 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/bin/uautomizer/data/3cbd344b0/c3a2aea2c0e847028275ff964a59120f/FLAG871c711a8 [2019-11-15 23:47:44,622 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:47:44,623 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/sv-benchmarks/c/loop-invgen/large_const.i [2019-11-15 23:47:44,629 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/bin/uautomizer/data/3cbd344b0/c3a2aea2c0e847028275ff964a59120f/FLAG871c711a8 [2019-11-15 23:47:45,043 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/bin/uautomizer/data/3cbd344b0/c3a2aea2c0e847028275ff964a59120f [2019-11-15 23:47:45,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:47:45,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:47:45,050 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:47:45,050 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:47:45,053 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:47:45,054 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:47:45" (1/1) ... [2019-11-15 23:47:45,056 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@458dbaf2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:45, skipping insertion in model container [2019-11-15 23:47:45,057 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:47:45" (1/1) ... [2019-11-15 23:47:45,066 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:47:45,082 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:47:45,307 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:47:45,311 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:47:45,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:47:45,340 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:47:45,341 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:45 WrapperNode [2019-11-15 23:47:45,341 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:47:45,342 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:47:45,342 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:47:45,342 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:47:45,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:45" (1/1) ... [2019-11-15 23:47:45,355 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:45" (1/1) ... [2019-11-15 23:47:45,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:47:45,375 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:47:45,375 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:47:45,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:47:45,385 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:45" (1/1) ... [2019-11-15 23:47:45,385 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:45" (1/1) ... [2019-11-15 23:47:45,386 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:45" (1/1) ... [2019-11-15 23:47:45,386 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:45" (1/1) ... [2019-11-15 23:47:45,389 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:45" (1/1) ... [2019-11-15 23:47:45,395 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:45" (1/1) ... [2019-11-15 23:47:45,402 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:45" (1/1) ... [2019-11-15 23:47:45,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:47:45,409 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:47:45,410 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:47:45,410 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:47:45,411 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:45" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/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 23:47:45,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:47:45,477 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:47:45,682 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:47:45,682 INFO L284 CfgBuilder]: Removed 8 assume(true) statements. [2019-11-15 23:47:45,683 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:47:45 BoogieIcfgContainer [2019-11-15 23:47:45,684 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:47:45,684 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 23:47:45,684 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 23:47:45,689 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 23:47:45,690 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:47:45,690 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 11:47:45" (1/3) ... [2019-11-15 23:47:45,691 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65e3c9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 11:47:45, skipping insertion in model container [2019-11-15 23:47:45,691 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:47:45,692 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:47:45" (2/3) ... [2019-11-15 23:47:45,692 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@65e3c9ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 11:47:45, skipping insertion in model container [2019-11-15 23:47:45,692 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 23:47:45,692 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:47:45" (3/3) ... [2019-11-15 23:47:45,694 INFO L371 chiAutomizerObserver]: Analyzing ICFG large_const.i [2019-11-15 23:47:45,760 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 23:47:45,760 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 23:47:45,760 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 23:47:45,761 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:47:45,761 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:47:45,761 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 23:47:45,762 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:47:45,762 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 23:47:45,782 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-15 23:47:45,804 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-15 23:47:45,804 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 23:47:45,805 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 23:47:45,814 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-15 23:47:45,815 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 23:47:45,815 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 23:47:45,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2019-11-15 23:47:45,818 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 8 [2019-11-15 23:47:45,818 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 23:47:45,818 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 23:47:45,819 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-15 23:47:45,819 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 23:47:45,827 INFO L791 eck$LassoCheckResult]: Stem: 10#ULTIMATE.startENTRYtrue main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_~argc, main_~argv.base, main_~argv.offset, main_~c1~0, main_~c2~0, main_~c3~0, main_~n~0, main_~v~0, main_~i~0, main_~k~0, main_~j~0;main_~argc := main_#in~argc;main_~argv.base, main_~argv.offset := main_#in~argv.base, main_#in~argv.offset;main_~c1~0 := 4000;main_~c2~0 := 2000;main_~c3~0 := 10000;havoc main_~n~0;havoc main_~v~0;havoc main_~i~0;havoc main_~k~0;havoc main_~j~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 6#L17true assume !!(0 <= main_~n~0 && main_~n~0 < 10);main_~k~0 := 0;main_~i~0 := 0; 14#L26-2true [2019-11-15 23:47:45,827 INFO L793 eck$LassoCheckResult]: Loop: 14#L26-2true assume !!(main_~i~0 < main_~n~0);main_#t~post2 := main_~i~0;main_~i~0 := 1 + main_#t~post2;havoc main_#t~post2;main_~v~0 := main_#t~nondet3;havoc main_#t~nondet3; 11#L23true assume !!(0 <= main_~v~0 && main_~n~0 < 2); 15#L24true assume 0 == main_~v~0;main_~k~0 := main_~k~0 + main_~c1~0; 14#L26-2true [2019-11-15 23:47:45,832 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:45,833 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-11-15 23:47:45,840 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:45,841 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384863598] [2019-11-15 23:47:45,841 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:45,842 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:45,842 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:45,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:47:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:47:45,967 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:47:45,968 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:45,968 INFO L82 PathProgramCache]: Analyzing trace with hash 44849, now seen corresponding path program 1 times [2019-11-15 23:47:45,969 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:45,969 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1375107464] [2019-11-15 23:47:45,969 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:45,969 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:45,970 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:45,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:47:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:47:45,998 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:47:46,000 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:46,001 INFO L82 PathProgramCache]: Analyzing trace with hash 29746476, now seen corresponding path program 1 times [2019-11-15 23:47:46,001 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:46,002 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967051723] [2019-11-15 23:47:46,003 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:46,003 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:46,003 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:47:46,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:47:46,039 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:47:46,138 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 23:47:46,139 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 23:47:46,139 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 23:47:46,139 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 23:47:46,139 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 23:47:46,140 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:47:46,140 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 23:47:46,140 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 23:47:46,140 INFO L131 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2019-11-15 23:47:46,140 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 23:47:46,141 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 23:47:46,176 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 23:47:46,197 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 23:47:46,232 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 23:47:46,235 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 23:47:46,362 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 23:47:46,364 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/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 23:47:46,383 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 23:47:46,384 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 23:47:46,395 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 23:47:46,395 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~k~0=0, ULTIMATE.start_main_~c1~0=0} Honda state: {ULTIMATE.start_main_~k~0=0, ULTIMATE.start_main_~c1~0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:47:46,405 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 23:47:46,406 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 23:47:46,416 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 23:47:46,416 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~v~0=0, ULTIMATE.start_main_#t~nondet3=0} Honda state: {ULTIMATE.start_main_~v~0=0, ULTIMATE.start_main_#t~nondet3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/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) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:47:46,435 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 23:47:46,435 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 23:47:46,438 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 23:47:46,439 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post2=0} Honda state: {ULTIMATE.start_main_#t~post2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/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) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:47:46,443 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 23:47:46,443 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/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) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:47:46,455 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 23:47:46,455 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 23:47:46,539 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 23:47:46,541 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 23:47:46,541 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 23:47:46,541 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 23:47:46,541 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 23:47:46,541 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 23:47:46,541 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:47:46,542 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 23:47:46,542 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 23:47:46,542 INFO L131 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration1_Loop [2019-11-15 23:47:46,542 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 23:47:46,542 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 23:47:46,543 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 23:47:46,550 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 23:47:46,572 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 23:47:46,578 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 23:47:46,674 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 23:47:46,680 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 23:47:46,682 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 23:47:46,684 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:47:46,685 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:47:46,685 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:47:46,686 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:47:46,686 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:47:46,689 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:47:46,689 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:47:46,710 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:47:46,710 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 23:47:46,714 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:47:46,714 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:47:46,715 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:47:46,715 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:47:46,715 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:47:46,716 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:47:46,716 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:47:46,719 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:47:46,719 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 23:47:46,720 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:47:46,720 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:47:46,720 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:47:46,721 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:47:46,721 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:47:46,721 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:47:46,721 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:47:46,723 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:47:46,723 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 23:47:46,724 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:47:46,724 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:47:46,724 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:47:46,724 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:47:46,724 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:47:46,725 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:47:46,725 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:47:46,743 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 23:47:46,749 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 23:47:46,749 INFO L444 ModelExtractionUtils]: 1 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-15 23:47:46,755 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 23:47:46,755 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 23:47:46,756 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 23:47:46,756 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2019-11-15 23:47:46,760 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 23:47:46,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:46,808 INFO L256 TraceCheckSpWp]: Trace formula consists of 26 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:47:46,809 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:47:46,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:46,821 INFO L256 TraceCheckSpWp]: Trace formula consists of 13 conjuncts, 5 conjunts are in the unsatisfiable core [2019-11-15 23:47:46,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:47:46,864 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 23:47:46,880 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 3 loop predicates [2019-11-15 23:47:46,881 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 4 states. [2019-11-15 23:47:46,961 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 4 states. Result 49 states and 65 transitions. Complement of second has 7 states. [2019-11-15 23:47:46,964 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-11-15 23:47:46,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-15 23:47:46,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 41 transitions. [2019-11-15 23:47:46,969 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 2 letters. Loop has 3 letters. [2019-11-15 23:47:46,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:47:46,973 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 5 letters. Loop has 3 letters. [2019-11-15 23:47:46,973 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:47:46,974 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 41 transitions. Stem has 2 letters. Loop has 6 letters. [2019-11-15 23:47:46,974 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:47:46,975 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 49 states and 65 transitions. [2019-11-15 23:47:46,986 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 23:47:46,991 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 49 states to 15 states and 21 transitions. [2019-11-15 23:47:46,992 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 8 [2019-11-15 23:47:46,992 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 11 [2019-11-15 23:47:46,993 INFO L73 IsDeterministic]: Start isDeterministic. Operand 15 states and 21 transitions. [2019-11-15 23:47:46,993 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-11-15 23:47:46,994 INFO L688 BuchiCegarLoop]: Abstraction has 15 states and 21 transitions. [2019-11-15 23:47:47,010 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15 states and 21 transitions. [2019-11-15 23:47:47,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15 to 13. [2019-11-15 23:47:47,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2019-11-15 23:47:47,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 19 transitions. [2019-11-15 23:47:47,027 INFO L711 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2019-11-15 23:47:47,027 INFO L591 BuchiCegarLoop]: Abstraction has 13 states and 19 transitions. [2019-11-15 23:47:47,029 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 23:47:47,029 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 19 transitions. [2019-11-15 23:47:47,030 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-11-15 23:47:47,031 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 23:47:47,031 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 23:47:47,031 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-11-15 23:47:47,032 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-11-15 23:47:47,032 INFO L791 eck$LassoCheckResult]: Stem: 111#ULTIMATE.startENTRY main_#in~argc, main_#in~argv.base, main_#in~argv.offset := #in~argc, #in~argv.base, #in~argv.offset;havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_#t~nondet3, main_#t~post4, main_#t~post5, main_~argc, main_~argv.base, main_~argv.offset, main_~c1~0, main_~c2~0, main_~c3~0, main_~n~0, main_~v~0, main_~i~0, main_~k~0, main_~j~0;main_~argc := main_#in~argc;main_~argv.base, main_~argv.offset := main_#in~argv.base, main_#in~argv.offset;main_~c1~0 := 4000;main_~c2~0 := 2000;main_~c3~0 := 10000;havoc main_~n~0;havoc main_~v~0;havoc main_~i~0;havoc main_~k~0;havoc main_~j~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 112#L17 assume !!(0 <= main_~n~0 && main_~n~0 < 10);main_~k~0 := 0;main_~i~0 := 0; 113#L26-2 assume !(main_~i~0 < main_~n~0); 116#L20-2 main_~j~0 := 0; 117#L32-2 [2019-11-15 23:47:47,032 INFO L793 eck$LassoCheckResult]: Loop: 117#L32-2 assume !!(main_~j~0 < main_~n~0);__VERIFIER_assert_#in~cond := (if main_~k~0 > 0 then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 119#L4 assume !(0 == __VERIFIER_assert_~cond); 118#L4-2 main_#t~post4 := main_~j~0;main_~j~0 := 1 + main_#t~post4;havoc main_#t~post4;main_#t~post5 := main_~k~0;main_~k~0 := main_#t~post5 - 1;havoc main_#t~post5; 117#L32-2 [2019-11-15 23:47:47,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:47,033 INFO L82 PathProgramCache]: Analyzing trace with hash 959516, now seen corresponding path program 1 times [2019-11-15 23:47:47,033 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:47,033 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1305260710] [2019-11-15 23:47:47,033 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:47,034 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:47,034 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:47,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:47:47,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:47:47,069 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:47:47,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:47,070 INFO L82 PathProgramCache]: Analyzing trace with hash 73710, now seen corresponding path program 1 times [2019-11-15 23:47:47,070 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:47,071 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [427323538] [2019-11-15 23:47:47,071 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:47,071 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:47,072 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:47,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:47:47,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 23:47:47,095 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 23:47:47,096 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:47,096 INFO L82 PathProgramCache]: Analyzing trace with hash -1479785997, now seen corresponding path program 1 times [2019-11-15 23:47:47,096 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:47:47,097 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150436514] [2019-11-15 23:47:47,097 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:47,097 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:47:47,097 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:47:47,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:47,162 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 23:47:47,162 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150436514] [2019-11-15 23:47:47,163 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:47:47,163 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-11-15 23:47:47,163 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [910326047] [2019-11-15 23:47:47,200 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 23:47:47,200 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 23:47:47,200 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 23:47:47,200 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 23:47:47,200 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-11-15 23:47:47,200 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:47:47,200 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 23:47:47,201 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 23:47:47,201 INFO L131 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2019-11-15 23:47:47,201 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 23:47:47,201 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 23:47:47,202 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 23:47:47,205 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 23:47:47,217 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 23:47:47,224 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 23:47:47,299 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 23:47:47,299 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/bin/uautomizer/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2019-11-15 23:47:47,312 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 23:47:47,312 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:47:47,316 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-11-15 23:47:47,316 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~post5=0} Honda state: {ULTIMATE.start_main_#t~post5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/bin/uautomizer/z3 Starting monitored process 8 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 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:47:47,331 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-11-15 23:47:47,331 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_85d91797-a4cd-4c17-a23e-4f8ec9a0f0af/bin/uautomizer/z3 Starting monitored process 9 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 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:47:47,351 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-11-15 23:47:47,351 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-11-15 23:47:47,363 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-11-15 23:47:47,368 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 23:47:47,368 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 23:47:47,368 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 23:47:47,368 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 23:47:47,368 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 23:47:47,368 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 23:47:47,368 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 23:47:47,369 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 23:47:47,369 INFO L131 ssoRankerPreferences]: Filename of dumped script: large_const.i_Iteration2_Loop [2019-11-15 23:47:47,369 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 23:47:47,369 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 23:47:47,370 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 23:47:47,379 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 23:47:47,388 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 23:47:47,404 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 23:47:47,493 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 23:47:47,493 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 23:47:47,494 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 23:47:47,494 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:47:47,495 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:47:47,495 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:47:47,495 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:47:47,495 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:47:47,496 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:47:47,496 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:47:47,497 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 23:47:47,497 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 23:47:47,498 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 23:47:47,498 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 23:47:47,498 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 23:47:47,498 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 23:47:47,499 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 23:47:47,499 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 23:47:47,499 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 23:47:47,506 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 23:47:47,516 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 23:47:47,516 INFO L444 ModelExtractionUtils]: 0 out of 4 variables were initially zero. Simplification set additionally 1 variables to zero. [2019-11-15 23:47:47,517 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 23:47:47,517 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-11-15 23:47:47,517 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 23:47:47,517 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~j~0) = 1*ULTIMATE.start_main_~n~0 - 1*ULTIMATE.start_main_~j~0 Supporting invariants [] [2019-11-15 23:47:47,519 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-11-15 23:47:47,536 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:47:47,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:47,550 INFO L256 TraceCheckSpWp]: Trace formula consists of 29 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 23:47:47,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:47:47,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:47:47,557 INFO L256 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 23:47:47,558 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 23:47:47,570 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 23:47:47,571 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 23:47:47,571 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8 Second operand 3 states. [2019-11-15 23:47:47,588 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 19 transitions. cyclomatic complexity: 8. Second operand 3 states. Result 16 states and 23 transitions. Complement of second has 4 states. [2019-11-15 23:47:47,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 3 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-11-15 23:47:47,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-11-15 23:47:47,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 13 transitions. [2019-11-15 23:47:47,590 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 4 letters. Loop has 3 letters. [2019-11-15 23:47:47,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:47:47,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 7 letters. Loop has 3 letters. [2019-11-15 23:47:47,591 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:47:47,591 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 13 transitions. Stem has 4 letters. Loop has 6 letters. [2019-11-15 23:47:47,592 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 23:47:47,592 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 16 states and 23 transitions. [2019-11-15 23:47:47,593 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 23:47:47,593 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 16 states to 0 states and 0 transitions. [2019-11-15 23:47:47,593 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 23:47:47,594 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 23:47:47,594 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 23:47:47,594 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 23:47:47,594 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:47:47,594 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:47:47,594 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:47:47,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-15 23:47:47,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2019-11-15 23:47:47,599 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-11-15 23:47:47,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:47:47,602 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-11-15 23:47:47,602 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-11-15 23:47:47,603 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-11-15 23:47:47,603 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 23:47:47,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:47:47,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 23:47:47,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 23:47:47,604 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 23:47:47,604 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 23:47:47,604 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:47:47,604 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:47:47,606 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:47:47,606 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-11-15 23:47:47,606 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:47:47,606 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 23:47:47,606 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 23:47:47,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 11:47:47 BoogieIcfgContainer [2019-11-15 23:47:47,613 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 23:47:47,614 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:47:47,614 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:47:47,615 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:47:47,616 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:47:45" (3/4) ... [2019-11-15 23:47:47,619 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 23:47:47,619 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:47:47,622 INFO L168 Benchmark]: Toolchain (without parser) took 2572.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 946.5 MB in the beginning and 912.5 MB in the end (delta: 33.9 MB). Peak memory consumption was 149.8 MB. Max. memory is 11.5 GB. [2019-11-15 23:47:47,622 INFO L168 Benchmark]: CDTParser took 0.24 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 23:47:47,624 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-11-15 23:47:47,625 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:47:47,625 INFO L168 Benchmark]: Boogie Preprocessor took 33.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:47:47,626 INFO L168 Benchmark]: RCFGBuilder took 274.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. [2019-11-15 23:47:47,627 INFO L168 Benchmark]: BuchiAutomizer took 1929.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 912.5 MB in the end (delta: 170.5 MB). Peak memory consumption was 170.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:47:47,633 INFO L168 Benchmark]: Witness Printer took 5.01 ms. Allocated memory is still 1.1 GB. Free memory is still 912.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:47:47,638 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 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 291.80 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 115.9 MB). Free memory was 946.5 MB in the beginning and 1.1 GB in the end (delta: -158.6 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 33.29 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.87 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 274.21 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 22.0 MB). Peak memory consumption was 22.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1929.38 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 912.5 MB in the end (delta: 170.5 MB). Peak memory consumption was 170.5 MB. Max. memory is 11.5 GB. * Witness Printer took 5.01 ms. Allocated memory is still 1.1 GB. Free memory is still 912.5 MB. 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 3 terminating modules (1 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 1 and consists of 5 locations. One deterministic module has affine ranking function n + -1 * j and consists of 3 locations. 1 modules have a trivial ranking function, the largest among these consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.8s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 1.4s. Construction of modules took 0.0s. Büchi inclusion checks took 0.2s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 1. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 2 StatesRemovedByMinimization, 1 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 13 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 29 SDtfs, 33 SDslu, 25 SDs, 0 SdLazy, 13 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital27 mio100 ax100 hnf100 lsp63 ukn100 mio100 lsp100 div100 bol100 ite118 ukn100 eq159 hnf92 smp77 dnf98 smp100 tf109 neg98 sie117 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 29ms VariablesStem: 0 VariablesLoop: 3 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 4 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 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...