./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-restricted-15/LogAG.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-restricted-15/LogAG.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/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 81a46fe8790e1f522cb67a9c253c8a7e6828f982 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 17:14:16,384 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 17:14:16,385 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 17:14:16,395 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 17:14:16,395 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 17:14:16,395 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 17:14:16,396 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 17:14:16,398 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 17:14:16,399 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 17:14:16,400 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 17:14:16,400 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 17:14:16,401 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 17:14:16,401 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 17:14:16,402 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 17:14:16,403 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 17:14:16,403 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 17:14:16,404 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 17:14:16,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 17:14:16,406 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 17:14:16,407 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 17:14:16,408 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 17:14:16,409 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 17:14:16,409 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 17:14:16,410 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 17:14:16,412 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 17:14:16,412 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 17:14:16,412 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 17:14:16,412 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 17:14:16,412 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 17:14:16,413 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 17:14:16,413 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 17:14:16,414 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 17:14:16,414 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 17:14:16,414 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 17:14:16,415 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 17:14:16,415 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 17:14:16,415 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 17:14:16,416 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 17:14:16,416 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 17:14:16,416 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 17:14:16,417 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 17:14:16,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 17:14:16,428 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 17:14:16,428 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 17:14:16,429 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 17:14:16,429 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 17:14:16,429 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 17:14:16,429 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 17:14:16,429 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 17:14:16,429 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 17:14:16,430 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 17:14:16,430 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 17:14:16,430 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 17:14:16,430 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 17:14:16,430 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 17:14:16,430 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 17:14:16,430 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 17:14:16,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 17:14:16,431 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 17:14:16,431 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 17:14:16,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 17:14:16,431 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 17:14:16,431 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 17:14:16,431 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 17:14:16,431 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 17:14:16,431 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 17:14:16,431 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 17:14:16,432 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 17:14:16,432 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 17:14:16,432 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 17:14:16,432 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 17:14:16,432 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 17:14:16,432 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_2f045219-26fc-42c1-97d0-78f109e3573a/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 -> 81a46fe8790e1f522cb67a9c253c8a7e6828f982 [2019-12-07 17:14:16,530 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 17:14:16,539 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 17:14:16,542 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 17:14:16,543 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 17:14:16,543 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 17:14:16,543 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/../../sv-benchmarks/c/termination-restricted-15/LogAG.c [2019-12-07 17:14:16,581 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/data/4d9a418e3/22452f4f92f74c0c8e68eb5baf2e0c95/FLAG90c42bd5d [2019-12-07 17:14:16,903 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 17:14:16,903 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/sv-benchmarks/c/termination-restricted-15/LogAG.c [2019-12-07 17:14:16,906 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/data/4d9a418e3/22452f4f92f74c0c8e68eb5baf2e0c95/FLAG90c42bd5d [2019-12-07 17:14:16,916 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/data/4d9a418e3/22452f4f92f74c0c8e68eb5baf2e0c95 [2019-12-07 17:14:16,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 17:14:16,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 17:14:16,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 17:14:16,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 17:14:16,922 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 17:14:16,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:14:16" (1/1) ... [2019-12-07 17:14:16,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1ef5444d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:14:16, skipping insertion in model container [2019-12-07 17:14:16,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 05:14:16" (1/1) ... [2019-12-07 17:14:16,930 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 17:14:16,941 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 17:14:17,050 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:14:17,053 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 17:14:17,094 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 17:14:17,103 INFO L208 MainTranslator]: Completed translation [2019-12-07 17:14:17,104 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:14:17 WrapperNode [2019-12-07 17:14:17,104 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 17:14:17,104 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 17:14:17,104 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 17:14:17,104 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 17:14:17,110 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:14:17" (1/1) ... [2019-12-07 17:14:17,113 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:14:17" (1/1) ... [2019-12-07 17:14:17,124 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 17:14:17,124 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 17:14:17,124 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 17:14:17,124 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 17:14:17,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:14:17" (1/1) ... [2019-12-07 17:14:17,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:14:17" (1/1) ... [2019-12-07 17:14:17,130 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:14:17" (1/1) ... [2019-12-07 17:14:17,130 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:14:17" (1/1) ... [2019-12-07 17:14:17,132 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:14:17" (1/1) ... [2019-12-07 17:14:17,134 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:14:17" (1/1) ... [2019-12-07 17:14:17,135 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:14:17" (1/1) ... [2019-12-07 17:14:17,135 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 17:14:17,136 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 17:14:17,136 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 17:14:17,136 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 17:14:17,136 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:14:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/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 [2019-12-07 17:14:17,175 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 17:14:17,175 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 17:14:17,259 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 17:14:17,259 INFO L287 CfgBuilder]: Removed 6 assume(true) statements. [2019-12-07 17:14:17,260 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:14:17 BoogieIcfgContainer [2019-12-07 17:14:17,260 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 17:14:17,260 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 17:14:17,260 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 17:14:17,263 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 17:14:17,263 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:14:17,263 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 05:14:16" (1/3) ... [2019-12-07 17:14:17,264 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b2e86b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:14:17, skipping insertion in model container [2019-12-07 17:14:17,264 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:14:17,264 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 05:14:17" (2/3) ... [2019-12-07 17:14:17,264 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@6b2e86b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 05:14:17, skipping insertion in model container [2019-12-07 17:14:17,264 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 17:14:17,264 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:14:17" (3/3) ... [2019-12-07 17:14:17,265 INFO L371 chiAutomizerObserver]: Analyzing ICFG LogAG.c [2019-12-07 17:14:17,294 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 17:14:17,294 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 17:14:17,294 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 17:14:17,294 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 17:14:17,294 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 17:14:17,294 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 17:14:17,294 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 17:14:17,295 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 17:14:17,303 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 17:14:17,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:14:17,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:14:17,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:14:17,321 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 17:14:17,321 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:14:17,321 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 17:14:17,321 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 8 states. [2019-12-07 17:14:17,322 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2019-12-07 17:14:17,322 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:14:17,322 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:14:17,322 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2019-12-07 17:14:17,322 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2019-12-07 17:14:17,327 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~xtmp~0, main_~res~0, main_~restmp~0;havoc main_~x~0;havoc main_~xtmp~0;havoc main_~res~0;havoc main_~restmp~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~res~0 := 0; 6#L13-2true [2019-12-07 17:14:17,327 INFO L796 eck$LassoCheckResult]: Loop: 6#L13-2true assume !!(main_~x~0 > 1);main_~xtmp~0 := main_~x~0 - 2;main_~restmp~0 := 0; 3#L17-2true assume !(main_~xtmp~0 > 1); 10#L17-3true main_~x~0 := 1 + main_~xtmp~0;main_~res~0 := 1 + main_~res~0; 6#L13-2true [2019-12-07 17:14:17,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:17,331 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2019-12-07 17:14:17,336 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:17,336 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1357672286] [2019-12-07 17:14:17,336 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:17,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:17,400 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:14:17,401 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:17,401 INFO L82 PathProgramCache]: Analyzing trace with hash 39951, now seen corresponding path program 1 times [2019-12-07 17:14:17,401 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:17,401 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448017085] [2019-12-07 17:14:17,402 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:17,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:17,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:17,414 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:14:17,415 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:17,415 INFO L82 PathProgramCache]: Analyzing trace with hash 963472, now seen corresponding path program 1 times [2019-12-07 17:14:17,415 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:17,415 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192429615] [2019-12-07 17:14:17,415 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:17,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:17,426 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:14:17,474 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:14:17,474 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:14:17,474 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:14:17,474 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:14:17,475 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:14:17,475 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:17,475 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:14:17,475 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:14:17,475 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration1_Loop [2019-12-07 17:14:17,475 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:14:17,476 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:14:17,496 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:17,504 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:17,507 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:17,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:17,520 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:17,597 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:14:17,598 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:17,602 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:14:17,602 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:14:17,609 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:14:17,609 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_2f045219-26fc-42c1-97d0-78f109e3573a/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 [2019-12-07 17:14:17,613 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:14:17,613 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:14:17,616 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:14:17,617 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_2f045219-26fc-42c1-97d0-78f109e3573a/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 [2019-12-07 17:14:17,620 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:14:17,621 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/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 [2019-12-07 17:14:17,630 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:14:17,630 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:14:17,848 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:14:17,849 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:14:17,849 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:14:17,849 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:14:17,850 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:14:17,850 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:14:17,850 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:17,850 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:14:17,850 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:14:17,850 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration1_Loop [2019-12-07 17:14:17,850 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:14:17,850 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:14:17,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:17,854 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:17,856 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:17,858 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:17,860 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:17,914 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:14:17,917 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/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 [2019-12-07 17:14:17,921 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 [2019-12-07 17:14:17,923 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:14:17,923 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:14:17,923 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:14:17,923 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:14:17,927 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:14:17,927 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:14:17,931 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/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) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:17,935 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 [2019-12-07 17:14:17,936 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:14:17,936 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:14:17,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:14:17,937 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:14:17,937 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:14:17,937 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:14:17,937 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:14:17,939 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/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 [2019-12-07 17:14:17,943 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 [2019-12-07 17:14:17,944 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:14:17,944 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:14:17,944 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:14:17,944 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:14:17,947 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:14:17,947 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:14:17,951 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/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 [2019-12-07 17:14:17,954 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 [2019-12-07 17:14:17,956 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:14:17,956 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:14:17,956 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:14:17,956 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:14:17,956 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:14:17,957 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:14:17,957 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:14:17,958 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 10 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:17,962 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 [2019-12-07 17:14:17,963 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:14:17,963 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:14:17,963 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:14:17,963 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:14:17,963 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:14:17,965 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:14:17,965 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:14:17,967 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:14:17,970 INFO L443 ModelExtractionUtils]: Simplification made 2 calls to the SMT solver. [2019-12-07 17:14:17,970 INFO L444 ModelExtractionUtils]: 2 out of 4 variables were initially zero. Simplification set additionally 0 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 11 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:17,979 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:14:17,979 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:14:17,980 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:14:17,980 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~x~0) = 1*ULTIMATE.start_main_~x~0 Supporting invariants [] [2019-12-07 17:14:17,983 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:14:18,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:18,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:18,007 INFO L264 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:14:18,008 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:14:18,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:18,016 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 17:14:18,017 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:14:18,034 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:14:18,044 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 [2019-12-07 17:14:18,045 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 8 states. Second operand 3 states. [2019-12-07 17:14:18,086 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 8 states.. Second operand 3 states. Result 23 states and 35 transitions. Complement of second has 7 states. [2019-12-07 17:14:18,086 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 [2019-12-07 17:14:18,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-12-07 17:14:18,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 21 transitions. [2019-12-07 17:14:18,088 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 3 letters. [2019-12-07 17:14:18,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:14:18,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 4 letters. Loop has 3 letters. [2019-12-07 17:14:18,089 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:14:18,089 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 21 transitions. Stem has 1 letters. Loop has 6 letters. [2019-12-07 17:14:18,090 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:14:18,090 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 35 transitions. [2019-12-07 17:14:18,092 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 17:14:18,094 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 7 states and 10 transitions. [2019-12-07 17:14:18,095 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-12-07 17:14:18,095 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 4 [2019-12-07 17:14:18,095 INFO L73 IsDeterministic]: Start isDeterministic. Operand 7 states and 10 transitions. [2019-12-07 17:14:18,096 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:14:18,096 INFO L688 BuchiCegarLoop]: Abstraction has 7 states and 10 transitions. [2019-12-07 17:14:18,107 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7 states and 10 transitions. [2019-12-07 17:14:18,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7 to 6. [2019-12-07 17:14:18,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 17:14:18,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 9 transitions. [2019-12-07 17:14:18,113 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-12-07 17:14:18,113 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 9 transitions. [2019-12-07 17:14:18,113 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 17:14:18,114 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 9 transitions. [2019-12-07 17:14:18,114 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 17:14:18,114 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:14:18,114 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:14:18,114 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-12-07 17:14:18,114 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 17:14:18,114 INFO L794 eck$LassoCheckResult]: Stem: 74#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~xtmp~0, main_~res~0, main_~restmp~0;havoc main_~x~0;havoc main_~xtmp~0;havoc main_~res~0;havoc main_~restmp~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~res~0 := 0; 75#L13-2 assume !!(main_~x~0 > 1);main_~xtmp~0 := main_~x~0 - 2;main_~restmp~0 := 0; 71#L17-2 [2019-12-07 17:14:18,115 INFO L796 eck$LassoCheckResult]: Loop: 71#L17-2 assume !!(main_~xtmp~0 > 1);main_~xtmp~0 := main_~xtmp~0 - 2;main_~restmp~0 := 1 + main_~restmp~0; 71#L17-2 [2019-12-07 17:14:18,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:18,115 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2019-12-07 17:14:18,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:18,115 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [594282121] [2019-12-07 17:14:18,115 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:18,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:18,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:18,120 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:14:18,120 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:18,121 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 1 times [2019-12-07 17:14:18,121 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:18,121 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1287974206] [2019-12-07 17:14:18,121 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:18,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:18,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:18,125 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:14:18,125 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:18,125 INFO L82 PathProgramCache]: Analyzing trace with hash 31081, now seen corresponding path program 1 times [2019-12-07 17:14:18,126 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:18,126 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1379182264] [2019-12-07 17:14:18,126 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:18,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:18,132 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:14:18,148 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:14:18,148 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:14:18,148 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:14:18,148 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:14:18,148 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:14:18,149 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,149 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:14:18,149 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:14:18,149 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration2_Loop [2019-12-07 17:14:18,149 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:14:18,149 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:14:18,150 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,152 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,156 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,158 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,198 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:14:18,198 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 12 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,201 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:14:18,201 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:14:18,206 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:14:18,206 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_3=0} Honda state: {v_rep~unnamed0~0~false_3=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 13 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 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,211 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:14:18,211 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 14 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,218 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:14:18,218 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:14:18,236 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:14:18,236 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~restmp~0=0} Honda state: {ULTIMATE.start_main_~restmp~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~restmp~0=1}, {ULTIMATE.start_main_~restmp~0=6}, {ULTIMATE.start_main_~restmp~0=-6}] Lambdas: [1, 1, 1] Nus: [0, 0] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 15 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,240 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:14:18,240 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:14:18,243 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:14:18,244 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 16 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 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,247 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:14:18,247 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 17 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 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,255 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:14:18,255 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:14:18,260 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:14:18,262 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:14:18,262 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:14:18,262 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:14:18,262 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:14:18,262 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:14:18,262 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,262 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:14:18,262 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:14:18,262 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration2_Loop [2019-12-07 17:14:18,262 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:14:18,262 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:14:18,264 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,271 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,305 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:14:18,305 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 18 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 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,308 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 [2019-12-07 17:14:18,310 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:14:18,310 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:14:18,310 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:14:18,310 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:14:18,312 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:14:18,312 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:14:18,316 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 19 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 19 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,320 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 [2019-12-07 17:14:18,321 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:14:18,322 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:14:18,322 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:14:18,322 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:14:18,322 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:14:18,322 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:14:18,323 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:14:18,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 20 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 20 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,329 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 [2019-12-07 17:14:18,330 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:14:18,330 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:14:18,330 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:14:18,330 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:14:18,332 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:14:18,333 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:14:18,336 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 21 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,341 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 [2019-12-07 17:14:18,342 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:14:18,342 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:14:18,342 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:14:18,343 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:14:18,343 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:14:18,343 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:14:18,343 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:14:18,345 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:14:18,348 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 17:14:18,348 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 22 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,351 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:14:18,352 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:14:18,352 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:14:18,352 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~xtmp~0) = 1*ULTIMATE.start_main_~xtmp~0 Supporting invariants [] [2019-12-07 17:14:18,353 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:14:18,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:18,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:18,366 INFO L264 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:14:18,366 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:14:18,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:18,369 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:14:18,369 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:14:18,370 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:14:18,370 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-12-07 17:14:18,370 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5 Second operand 2 states. [2019-12-07 17:14:18,381 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 9 transitions. cyclomatic complexity: 5. Second operand 2 states. Result 13 states and 18 transitions. Complement of second has 5 states. [2019-12-07 17:14:18,381 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 [2019-12-07 17:14:18,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-12-07 17:14:18,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-12-07 17:14:18,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 1 letters. [2019-12-07 17:14:18,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:14:18,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 3 letters. Loop has 1 letters. [2019-12-07 17:14:18,382 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:14:18,382 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 2 letters. Loop has 2 letters. [2019-12-07 17:14:18,383 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:14:18,383 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 13 states and 18 transitions. [2019-12-07 17:14:18,383 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 17:14:18,384 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 13 states to 9 states and 13 transitions. [2019-12-07 17:14:18,384 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 3 [2019-12-07 17:14:18,384 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 3 [2019-12-07 17:14:18,384 INFO L73 IsDeterministic]: Start isDeterministic. Operand 9 states and 13 transitions. [2019-12-07 17:14:18,384 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is not deterministic. [2019-12-07 17:14:18,384 INFO L688 BuchiCegarLoop]: Abstraction has 9 states and 13 transitions. [2019-12-07 17:14:18,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states and 13 transitions. [2019-12-07 17:14:18,385 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 6. [2019-12-07 17:14:18,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6 states. [2019-12-07 17:14:18,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6 states to 6 states and 8 transitions. [2019-12-07 17:14:18,385 INFO L711 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2019-12-07 17:14:18,385 INFO L591 BuchiCegarLoop]: Abstraction has 6 states and 8 transitions. [2019-12-07 17:14:18,385 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 17:14:18,386 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 8 transitions. [2019-12-07 17:14:18,386 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 17:14:18,386 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 17:14:18,386 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 17:14:18,386 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [2, 1, 1, 1] [2019-12-07 17:14:18,386 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 17:14:18,387 INFO L794 eck$LassoCheckResult]: Stem: 122#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_~x~0, main_~xtmp~0, main_~res~0, main_~restmp~0;havoc main_~x~0;havoc main_~xtmp~0;havoc main_~res~0;havoc main_~restmp~0;main_~x~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~res~0 := 0; 123#L13-2 assume !!(main_~x~0 > 1);main_~xtmp~0 := main_~x~0 - 2;main_~restmp~0 := 0; 120#L17-2 assume !(main_~xtmp~0 > 1); 121#L17-3 main_~x~0 := 1 + main_~xtmp~0;main_~res~0 := 1 + main_~res~0; 124#L13-2 assume !!(main_~x~0 > 1);main_~xtmp~0 := main_~x~0 - 2;main_~restmp~0 := 0; 119#L17-2 [2019-12-07 17:14:18,387 INFO L796 eck$LassoCheckResult]: Loop: 119#L17-2 assume !!(main_~xtmp~0 > 1);main_~xtmp~0 := main_~xtmp~0 - 2;main_~restmp~0 := 1 + main_~restmp~0; 119#L17-2 [2019-12-07 17:14:18,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:18,387 INFO L82 PathProgramCache]: Analyzing trace with hash 29867642, now seen corresponding path program 2 times [2019-12-07 17:14:18,387 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:18,387 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810491113] [2019-12-07 17:14:18,387 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:18,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:18,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:18,396 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:14:18,397 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:18,397 INFO L82 PathProgramCache]: Analyzing trace with hash 50, now seen corresponding path program 2 times [2019-12-07 17:14:18,397 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:18,397 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2000086834] [2019-12-07 17:14:18,397 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:18,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:18,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 17:14:18,402 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 17:14:18,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:18,402 INFO L82 PathProgramCache]: Analyzing trace with hash 925896921, now seen corresponding path program 1 times [2019-12-07 17:14:18,402 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 17:14:18,402 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204923717] [2019-12-07 17:14:18,403 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 17:14:18,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:18,437 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:14:18,437 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204923717] [2019-12-07 17:14:18,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 17:14:18,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 17:14:18,440 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206815280] [2019-12-07 17:14:18,454 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:14:18,454 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:14:18,454 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:14:18,454 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:14:18,454 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 17:14:18,454 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,454 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:14:18,454 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:14:18,454 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration3_Loop [2019-12-07 17:14:18,455 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:14:18,455 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:14:18,456 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,458 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,461 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,465 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,496 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:14:18,496 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 23 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,499 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:14:18,499 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:14:18,503 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:14:18,503 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_5=1} Honda state: {v_rep~unnamed0~0~true_5=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 24 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 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,507 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:14:18,507 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:14:18,511 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 17:14:18,511 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_5=0} Honda state: {v_rep~unnamed0~0~false_5=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 25 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 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,515 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 17:14:18,515 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 26 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 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,528 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 17:14:18,528 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 17:14:18,535 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 17:14:18,536 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 17:14:18,536 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 17:14:18,536 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 17:14:18,536 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 17:14:18,536 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 17:14:18,536 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,536 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 17:14:18,536 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 17:14:18,536 INFO L133 ssoRankerPreferences]: Filename of dumped script: LogAG.c_Iteration3_Loop [2019-12-07 17:14:18,536 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 17:14:18,537 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 17:14:18,538 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,541 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,544 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,546 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-12-07 17:14:18,578 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 17:14:18,578 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 27 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,582 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 [2019-12-07 17:14:18,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:14:18,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:14:18,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:14:18,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:14:18,585 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 17:14:18,585 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 17:14:18,588 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 28 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,592 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 [2019-12-07 17:14:18,593 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 17:14:18,594 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 17:14:18,594 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 17:14:18,594 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 17:14:18,594 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 17:14:18,594 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 17:14:18,595 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 17:14:18,596 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 17:14:18,600 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-12-07 17:14:18,600 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 1 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2f045219-26fc-42c1-97d0-78f109e3573a/bin/uautomizer/z3 Starting monitored process 29 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 29 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 17:14:18,603 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 17:14:18,603 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-12-07 17:14:18,603 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 17:14:18,603 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~xtmp~0) = 1*ULTIMATE.start_main_~xtmp~0 Supporting invariants [] [2019-12-07 17:14:18,604 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-12-07 17:14:18,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:18,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:18,616 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:14:18,617 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:14:18,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:18,619 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:14:18,619 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:14:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:14:18,620 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-12-07 17:14:18,620 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-12-07 17:14:18,628 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 11 states and 15 transitions. Complement of second has 5 states. [2019-12-07 17:14:18,628 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 [2019-12-07 17:14:18,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-12-07 17:14:18,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-12-07 17:14:18,628 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 5 letters. Loop has 1 letters. [2019-12-07 17:14:18,629 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:14:18,629 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 17:14:18,638 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:18,642 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:14:18,642 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:14:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:18,645 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:14:18,645 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:14:18,645 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:14:18,645 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and with honda bouncer for loop.1 stem predicates 1 loop predicates [2019-12-07 17:14:18,645 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-12-07 17:14:18,651 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 11 states and 15 transitions. Complement of second has 5 states. [2019-12-07 17:14:18,652 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 [2019-12-07 17:14:18,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-12-07 17:14:18,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 5 transitions. [2019-12-07 17:14:18,652 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 5 transitions. Stem has 5 letters. Loop has 1 letters. [2019-12-07 17:14:18,652 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:14:18,652 INFO L639 RefineBuchi]: Bad chosen interpolant automaton: word not accepted [2019-12-07 17:14:18,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 17:14:18,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:18,663 INFO L264 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 17:14:18,664 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:14:18,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 17:14:18,666 WARN L262 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-12-07 17:14:18,666 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 17:14:18,666 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 17:14:18,666 INFO L152 lantAutomatonBouncer]: Defining Buchi interpolant automaton with scrooge nondeterminism in stemwith honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2019-12-07 17:14:18,667 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4 Second operand 2 states. [2019-12-07 17:14:18,674 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states and 8 transitions. cyclomatic complexity: 4. Second operand 2 states. Result 9 states and 11 transitions. Complement of second has 4 states. [2019-12-07 17:14:18,674 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 [2019-12-07 17:14:18,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-12-07 17:14:18,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3 states to 3 states and 9 transitions. [2019-12-07 17:14:18,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 1 letters. [2019-12-07 17:14:18,674 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:14:18,674 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 6 letters. Loop has 1 letters. [2019-12-07 17:14:18,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:14:18,675 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 3 states and 9 transitions. Stem has 5 letters. Loop has 2 letters. [2019-12-07 17:14:18,675 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 17:14:18,675 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 9 states and 11 transitions. [2019-12-07 17:14:18,676 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:14:18,676 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 9 states to 0 states and 0 transitions. [2019-12-07 17:14:18,676 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:14:18,676 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:14:18,676 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:14:18,676 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:14:18,676 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:14:18,676 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:14:18,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 17:14:18,678 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 17:14:18,678 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-12-07 17:14:18,679 INFO L87 Difference]: Start difference. First operand 0 states and 0 transitions. Second operand 5 states. [2019-12-07 17:14:18,681 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 17:14:18,681 INFO L93 Difference]: Finished difference Result 0 states and 0 transitions. [2019-12-07 17:14:18,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2019-12-07 17:14:18,681 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 0 states and 0 transitions. [2019-12-07 17:14:18,681 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:14:18,681 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 17:14:18,681 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 17:14:18,681 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 17:14:18,681 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 17:14:18,681 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 17:14:18,681 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:14:18,681 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:14:18,681 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 17:14:18,681 INFO L424 BuchiCegarLoop]: ======== Iteration 4============ [2019-12-07 17:14:18,681 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 17:14:18,682 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 17:14:18,682 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 17:14:18,685 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 05:14:18 BoogieIcfgContainer [2019-12-07 17:14:18,686 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 17:14:18,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 17:14:18,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 17:14:18,686 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 17:14:18,686 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 05:14:17" (3/4) ... [2019-12-07 17:14:18,688 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 17:14:18,688 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 17:14:18,690 INFO L168 Benchmark]: Toolchain (without parser) took 1770.24 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.0 MB). Free memory was 943.3 MB in the beginning and 1.0 GB in the end (delta: -72.9 MB). Peak memory consumption was 3.1 MB. Max. memory is 11.5 GB. [2019-12-07 17:14:18,690 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:14:18,691 INFO L168 Benchmark]: CACSL2BoogieTranslator took 184.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.0 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -128.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2019-12-07 17:14:18,691 INFO L168 Benchmark]: Boogie Procedure Inliner took 19.80 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. [2019-12-07 17:14:18,691 INFO L168 Benchmark]: Boogie Preprocessor took 11.34 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. [2019-12-07 17:14:18,692 INFO L168 Benchmark]: RCFGBuilder took 124.63 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-12-07 17:14:18,692 INFO L168 Benchmark]: BuchiAutomizer took 1425.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. [2019-12-07 17:14:18,692 INFO L168 Benchmark]: Witness Printer took 2.55 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 17:14:18,694 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 184.22 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 76.0 MB). Free memory was 943.3 MB in the beginning and 1.1 GB in the end (delta: -128.9 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 19.80 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 11.34 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 124.63 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: 19.7 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1425.17 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. * Witness Printer took 2.55 ms. Allocated memory is still 1.1 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 4 terminating modules (1 trivial, 2 deterministic, 1 nondeterministic). One deterministic module has affine ranking function x and consists of 5 locations. One deterministic module has affine ranking function xtmp and consists of 3 locations. One nondeterministic module has affine ranking function xtmp 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 1.3s and 4 iterations. TraceHistogramMax:2. Analysis of lassos took 1.1s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 2. Automata minimization 0.0s AutomataMinimizationTime, 2 MinimizatonAttempts, 4 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 6 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 1, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 23 SDslu, 6 SDs, 0 SdLazy, 35 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT2 conc0 concLT1 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital19 mio100 ax168 hnf99 lsp40 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq162 hnf93 smp100 dnf100 smp100 tf111 neg100 sie110 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 13ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 6 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 3 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...