./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.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_1f0c52d4-a7cc-447c-b6d9-25f22a754802/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c -s /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 4d47290c22ee8ca606b2e1fe494335758b7c5275 ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 15:39:56,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 15:39:56,151 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 15:39:56,159 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 15:39:56,159 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 15:39:56,160 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 15:39:56,161 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 15:39:56,162 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 15:39:56,163 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 15:39:56,164 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 15:39:56,164 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 15:39:56,165 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 15:39:56,165 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 15:39:56,166 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 15:39:56,167 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 15:39:56,168 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 15:39:56,168 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 15:39:56,169 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 15:39:56,170 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 15:39:56,172 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 15:39:56,173 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 15:39:56,174 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 15:39:56,174 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 15:39:56,175 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 15:39:56,177 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 15:39:56,177 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 15:39:56,177 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 15:39:56,178 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 15:39:56,178 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 15:39:56,178 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 15:39:56,179 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 15:39:56,179 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 15:39:56,179 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 15:39:56,180 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 15:39:56,180 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 15:39:56,181 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 15:39:56,181 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 15:39:56,181 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 15:39:56,181 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 15:39:56,182 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 15:39:56,182 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 15:39:56,183 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/bin/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2019-12-07 15:39:56,194 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 15:39:56,194 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 15:39:56,195 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 15:39:56,195 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 15:39:56,195 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 15:39:56,195 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-12-07 15:39:56,195 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-12-07 15:39:56,196 INFO L138 SettingsManager]: * Use old map elimination=false [2019-12-07 15:39:56,196 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-12-07 15:39:56,196 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-12-07 15:39:56,196 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-12-07 15:39:56,196 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 15:39:56,196 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-12-07 15:39:56,196 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 15:39:56,196 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 15:39:56,196 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-12-07 15:39:56,196 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-12-07 15:39:56,197 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-12-07 15:39:56,197 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 15:39:56,197 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-12-07 15:39:56,197 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 15:39:56,197 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-12-07 15:39:56,197 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 15:39:56,197 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 15:39:56,197 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-12-07 15:39:56,198 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 15:39:56,198 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 15:39:56,198 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 15:39:56,198 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-12-07 15:39:56,199 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-12-07 15:39:56,199 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_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 -> 4d47290c22ee8ca606b2e1fe494335758b7c5275 [2019-12-07 15:39:56,301 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 15:39:56,311 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 15:39:56,314 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 15:39:56,315 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 15:39:56,315 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 15:39:56,316 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/bin/uautomizer/../../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c [2019-12-07 15:39:56,356 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/bin/uautomizer/data/011911a37/9e8d8f47096c495e8176cfb5e6e474db/FLAGe350716ed [2019-12-07 15:39:56,688 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 15:39:56,689 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c [2019-12-07 15:39:56,692 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/bin/uautomizer/data/011911a37/9e8d8f47096c495e8176cfb5e6e474db/FLAGe350716ed [2019-12-07 15:39:57,118 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/bin/uautomizer/data/011911a37/9e8d8f47096c495e8176cfb5e6e474db [2019-12-07 15:39:57,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 15:39:57,122 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 15:39:57,123 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 15:39:57,123 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 15:39:57,126 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 15:39:57,127 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:39:57" (1/1) ... [2019-12-07 15:39:57,129 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161812df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:57, skipping insertion in model container [2019-12-07 15:39:57,129 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 03:39:57" (1/1) ... [2019-12-07 15:39:57,134 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 15:39:57,144 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 15:39:57,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:39:57,256 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 15:39:57,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 15:39:57,314 INFO L208 MainTranslator]: Completed translation [2019-12-07 15:39:57,314 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:57 WrapperNode [2019-12-07 15:39:57,314 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 15:39:57,315 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 15:39:57,315 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 15:39:57,315 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 15:39:57,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:57" (1/1) ... [2019-12-07 15:39:57,326 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:57" (1/1) ... [2019-12-07 15:39:57,338 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 15:39:57,338 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 15:39:57,338 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 15:39:57,338 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 15:39:57,344 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:57" (1/1) ... [2019-12-07 15:39:57,344 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:57" (1/1) ... [2019-12-07 15:39:57,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:57" (1/1) ... [2019-12-07 15:39:57,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:57" (1/1) ... [2019-12-07 15:39:57,346 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:57" (1/1) ... [2019-12-07 15:39:57,349 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:57" (1/1) ... [2019-12-07 15:39:57,350 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:57" (1/1) ... [2019-12-07 15:39:57,351 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 15:39:57,351 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 15:39:57,351 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 15:39:57,351 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 15:39:57,352 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:57" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:57,395 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 15:39:57,395 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 15:39:57,490 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 15:39:57,490 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-12-07 15:39:57,490 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:39:57 BoogieIcfgContainer [2019-12-07 15:39:57,491 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 15:39:57,491 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-12-07 15:39:57,491 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-12-07 15:39:57,494 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-12-07 15:39:57,494 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:39:57,495 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 07.12 03:39:57" (1/3) ... [2019-12-07 15:39:57,495 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@610316be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:39:57, skipping insertion in model container [2019-12-07 15:39:57,495 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:39:57,496 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 03:39:57" (2/3) ... [2019-12-07 15:39:57,496 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@610316be and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 07.12 03:39:57, skipping insertion in model container [2019-12-07 15:39:57,496 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-12-07 15:39:57,496 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:39:57" (3/3) ... [2019-12-07 15:39:57,498 INFO L371 chiAutomizerObserver]: Analyzing ICFG Toulouse-BranchesToLoop-2.c [2019-12-07 15:39:57,530 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-12-07 15:39:57,530 INFO L357 BuchiCegarLoop]: Hoare is false [2019-12-07 15:39:57,530 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-12-07 15:39:57,530 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 15:39:57,530 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 15:39:57,530 INFO L361 BuchiCegarLoop]: Difference is false [2019-12-07 15:39:57,530 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 15:39:57,530 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-12-07 15:39:57,539 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 15:39:57,551 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 15:39:57,552 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:39:57,552 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:39:57,556 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 15:39:57,556 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 15:39:57,556 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-12-07 15:39:57,556 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2019-12-07 15:39:57,557 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 15:39:57,557 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:39:57,557 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:39:57,557 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 15:39:57,557 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 15:39:57,562 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 11#L20true assume !!(-268435455 <= main_~y~0); 5#L21true assume !!(-268435455 <= main_~z~0); 7#L22true assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := 1; 4#L27-1true [2019-12-07 15:39:57,562 INFO L796 eck$LassoCheckResult]: Loop: 4#L27-1true assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 4#L27-1true [2019-12-07 15:39:57,566 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:39:57,566 INFO L82 PathProgramCache]: Analyzing trace with hash 959433, now seen corresponding path program 1 times [2019-12-07 15:39:57,571 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:39:57,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1660478084] [2019-12-07 15:39:57,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:39:57,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:39:57,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:39:57,642 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:39:57,643 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:39:57,643 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times [2019-12-07 15:39:57,643 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:39:57,644 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557441023] [2019-12-07 15:39:57,644 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:39:57,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:39:57,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:39:57,651 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:39:57,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:39:57,652 INFO L82 PathProgramCache]: Analyzing trace with hash 29742448, now seen corresponding path program 1 times [2019-12-07 15:39:57,653 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:39:57,653 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449214045] [2019-12-07 15:39:57,653 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:39:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:39:57,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:39:57,666 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:39:57,729 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:39:57,729 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:39:57,730 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:39:57,730 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:39:57,730 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:39:57,730 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:39:57,730 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:39:57,730 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:39:57,730 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration1_Lasso [2019-12-07 15:39:57,730 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:39:57,730 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:39:57,745 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 15:39:57,750 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 15:39:57,753 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 15:39:57,755 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 15:39:57,757 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 15:39:57,759 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 15:39:57,762 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 15:39:57,844 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:39:57,845 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:57,850 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:39:57,850 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:39:57,856 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:39:57,856 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:57,860 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:39:57,861 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:39:57,865 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:39:57,865 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_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:57,869 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:39:57,869 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:39:57,872 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:39:57,872 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:57,876 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:39:57,876 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:39:57,880 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:39:57,880 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:57,884 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:39:57,884 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:39:57,888 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:39:57,888 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#res=0} Honda state: {ULTIMATE.start_main_#res=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:57,891 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:39:57,892 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:39:57,895 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:39:57,895 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_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:57,899 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:39:57,899 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:57,907 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:39:57,907 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:39:57,919 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:39:57,920 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:39:57,920 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:39:57,920 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:39:57,920 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:39:57,921 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:39:57,921 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:39:57,921 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:39:57,921 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:39:57,921 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration1_Lasso [2019-12-07 15:39:57,921 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:39:57,921 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:39:57,923 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 15:39:57,925 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 15:39:57,927 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 15:39:57,928 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 15:39:57,930 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 15:39:57,931 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 15:39:57,933 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 15:39:57,992 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:39:57,995 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:57,999 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 15:39:58,001 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:39:58,001 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:39:58,001 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:39:58,001 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:39:58,004 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:39:58,005 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:39:58,008 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,012 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 15:39:58,014 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:39:58,014 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:39:58,014 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:39:58,014 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:39:58,014 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:39:58,015 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:39:58,015 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:39:58,016 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,020 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 15:39:58,021 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:39:58,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:39:58,022 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:39:58,022 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:39:58,022 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:39:58,022 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:39:58,022 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:39:58,024 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,028 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 15:39:58,030 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:39:58,030 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:39:58,030 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:39:58,030 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:39:58,030 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:39:58,030 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:39:58,030 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:39:58,031 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,035 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 15:39:58,036 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:39:58,036 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:39:58,036 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:39:58,036 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:39:58,037 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:39:58,037 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:39:58,037 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:39:58,038 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,042 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 15:39:58,043 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:39:58,043 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:39:58,043 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:39:58,043 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:39:58,046 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:39:58,046 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:39:58,050 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,054 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 15:39:58,055 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:39:58,056 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:39:58,056 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:39:58,056 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:39:58,061 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:39:58,061 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:39:58,070 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:39:58,084 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2019-12-07 15:39:58,085 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,089 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:39:58,092 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 15:39:58,092 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:39:58,092 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -2*ULTIMATE.start_main_~y~0 + 199 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2019-12-07 15:39:58,097 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-12-07 15:39:58,123 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:39:58,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:39:58,130 INFO L264 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 15:39:58,131 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:39:58,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:39:58,140 WARN L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:39:58,141 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:39:58,141 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 15:39:58,152 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 15:39:58,152 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 2 states. [2019-12-07 15:39:58,196 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 2 states. Result 24 states and 31 transitions. Complement of second has 5 states. [2019-12-07 15:39:58,197 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2019-12-07 15:39:58,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-12-07 15:39:58,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2019-12-07 15:39:58,199 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 1 letters. [2019-12-07 15:39:58,200 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:39:58,200 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 5 letters. Loop has 1 letters. [2019-12-07 15:39:58,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:39:58,201 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 15:39:58,201 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:39:58,201 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. [2019-12-07 15:39:58,203 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 15:39:58,206 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 5 states and 5 transitions. [2019-12-07 15:39:58,207 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2019-12-07 15:39:58,207 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2019-12-07 15:39:58,207 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5 transitions. [2019-12-07 15:39:58,207 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 15:39:58,208 INFO L688 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-12-07 15:39:58,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 5 transitions. [2019-12-07 15:39:58,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2019-12-07 15:39:58,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2019-12-07 15:39:58,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2019-12-07 15:39:58,225 INFO L711 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-12-07 15:39:58,226 INFO L591 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. [2019-12-07 15:39:58,226 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-12-07 15:39:58,226 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 5 transitions. [2019-12-07 15:39:58,226 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2019-12-07 15:39:58,226 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-12-07 15:39:58,226 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-12-07 15:39:58,226 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2019-12-07 15:39:58,227 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2019-12-07 15:39:58,227 INFO L794 eck$LassoCheckResult]: Stem: 83#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 84#L20 assume !!(-268435455 <= main_~y~0); 81#L21 assume !!(-268435455 <= main_~z~0); 82#L22 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~x~0 := -1; 80#L27-1 [2019-12-07 15:39:58,227 INFO L796 eck$LassoCheckResult]: Loop: 80#L27-1 assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 80#L27-1 [2019-12-07 15:39:58,227 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:39:58,227 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2019-12-07 15:39:58,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:39:58,227 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [660688875] [2019-12-07 15:39:58,227 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:39:58,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:39:58,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:39:58,234 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:39:58,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:39:58,234 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 2 times [2019-12-07 15:39:58,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:39:58,235 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [158075457] [2019-12-07 15:39:58,235 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:39:58,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:39:58,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:39:58,240 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:39:58,240 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:39:58,240 INFO L82 PathProgramCache]: Analyzing trace with hash 29742510, now seen corresponding path program 1 times [2019-12-07 15:39:58,240 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 15:39:58,240 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [156234781] [2019-12-07 15:39:58,240 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 15:39:58,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:39:58,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-12-07 15:39:58,249 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2019-12-07 15:39:58,279 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:39:58,279 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:39:58,279 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:39:58,279 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:39:58,279 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2019-12-07 15:39:58,279 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:39:58,279 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:39:58,279 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:39:58,279 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration2_Lasso [2019-12-07 15:39:58,280 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:39:58,280 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:39:58,281 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 15:39:58,284 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 15:39:58,285 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 15:39:58,287 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 15:39:58,289 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 15:39:58,302 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 15:39:58,304 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 15:39:58,359 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:39:58,359 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,362 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:39:58,362 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:39:58,366 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:39:58,366 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_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,370 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:39:58,370 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:39:58,374 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:39:58,375 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet0=0} Honda state: {ULTIMATE.start_main_#t~nondet0=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,378 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:39:58,378 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:39:58,381 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:39:58,381 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet1=0} Honda state: {ULTIMATE.start_main_#t~nondet1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,384 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:39:58,385 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:39:58,388 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2019-12-07 15:39:58,388 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_#t~nondet2=0} Honda state: {ULTIMATE.start_main_#t~nondet2=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,392 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-12-07 15:39:58,392 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,399 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-12-07 15:39:58,399 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-12-07 15:39:58,410 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-12-07 15:39:58,412 INFO L210 LassoAnalysis]: Preferences: [2019-12-07 15:39:58,412 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2019-12-07 15:39:58,412 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-12-07 15:39:58,412 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2019-12-07 15:39:58,412 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2019-12-07 15:39:58,412 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-12-07 15:39:58,412 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2019-12-07 15:39:58,412 INFO L132 ssoRankerPreferences]: Path of dumped script: [2019-12-07 15:39:58,412 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration2_Lasso [2019-12-07 15:39:58,412 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2019-12-07 15:39:58,412 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-12-07 15:39:58,414 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 15:39:58,416 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 15:39:58,418 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 15:39:58,419 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 15:39:58,431 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 15:39:58,432 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 15:39:58,433 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 15:39:58,483 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-12-07 15:39:58,483 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,488 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 15:39:58,490 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:39:58,490 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:39:58,490 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:39:58,490 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:39:58,492 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:39:58,492 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:39:58,494 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,507 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 15:39:58,508 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:39:58,508 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:39:58,508 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:39:58,508 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:39:58,508 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:39:58,509 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:39:58,509 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:39:58,510 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,514 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 15:39:58,515 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:39:58,515 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-12-07 15:39:58,516 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:39:58,516 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:39:58,516 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:39:58,516 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-12-07 15:39:58,516 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-12-07 15:39:58,518 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,522 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 15:39:58,523 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2019-12-07 15:39:58,523 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2019-12-07 15:39:58,523 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2019-12-07 15:39:58,523 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2019-12-07 15:39:58,526 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-12-07 15:39:58,526 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-12-07 15:39:58,533 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-12-07 15:39:58,550 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2019-12-07 15:39:58,550 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_1f0c52d4-a7cc-447c-b6d9-25f22a754802/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 15:39:58,552 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-12-07 15:39:58,554 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2019-12-07 15:39:58,555 INFO L510 LassoAnalysis]: Proved termination. [2019-12-07 15:39:58,555 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = -2*ULTIMATE.start_main_~z~0 + 199 Supporting invariants [-1*ULTIMATE.start_main_~x~0 - 1 >= 0] [2019-12-07 15:39:58,559 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2019-12-07 15:39:58,581 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 15:39:58,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:39:58,584 INFO L264 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjunts are in the unsatisfiable core [2019-12-07 15:39:58,584 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:39:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 15:39:58,587 WARN L262 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2019-12-07 15:39:58,587 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 15:39:58,587 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 15:39:58,588 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 15:39:58,588 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 5 transitions. cyclomatic complexity: 1 Second operand 2 states. [2019-12-07 15:39:58,601 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 5 states and 5 transitions. cyclomatic complexity: 1. Second operand 2 states. Result 6 states and 6 transitions. Complement of second has 2 states. [2019-12-07 15:39:58,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2019-12-07 15:39:58,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2019-12-07 15:39:58,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. [2019-12-07 15:39:58,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 4 letters. Loop has 1 letters. [2019-12-07 15:39:58,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:39:58,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 5 letters. Loop has 1 letters. [2019-12-07 15:39:58,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:39:58,602 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2019-12-07 15:39:58,602 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-12-07 15:39:58,602 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 6 transitions. [2019-12-07 15:39:58,603 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 15:39:58,603 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. [2019-12-07 15:39:58,603 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-12-07 15:39:58,603 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-12-07 15:39:58,603 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-12-07 15:39:58,603 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-12-07 15:39:58,604 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:39:58,604 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:39:58,604 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 15:39:58,604 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2019-12-07 15:39:58,604 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-12-07 15:39:58,604 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-12-07 15:39:58,604 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-12-07 15:39:58,609 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 07.12 03:39:58 BoogieIcfgContainer [2019-12-07 15:39:58,609 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-12-07 15:39:58,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 15:39:58,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 15:39:58,610 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 15:39:58,610 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 03:39:57" (3/4) ... [2019-12-07 15:39:58,613 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-12-07 15:39:58,613 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 15:39:58,615 INFO L168 Benchmark]: Toolchain (without parser) took 1491.91 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -116.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:39:58,615 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 15:39:58,616 INFO L168 Benchmark]: CACSL2BoogieTranslator took 191.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2019-12-07 15:39:58,616 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.63 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 15:39:58,616 INFO L168 Benchmark]: Boogie Preprocessor took 12.86 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 15:39:58,617 INFO L168 Benchmark]: RCFGBuilder took 139.67 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2019-12-07 15:39:58,617 INFO L168 Benchmark]: BuchiAutomizer took 1118.02 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-12-07 15:39:58,618 INFO L168 Benchmark]: Witness Printer took 3.66 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 15:39:58,620 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 960.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 191.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 944.8 MB in the beginning and 1.1 GB in the end (delta: -156.4 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.63 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 12.86 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 139.67 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: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1118.02 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: 18.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Witness Printer took 3.66 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 2 terminating modules (0 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * y + 199 and consists of 4 locations. One deterministic module has affine ranking function -2 * z + 199 and consists of 2 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 0.8s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. Highest rank in rank-based complementation 3. Minimization of det autom 2. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 5 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 19 SDtfs, 18 SDslu, 3 SDs, 0 SdLazy, 4 SolverSat, 6 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital33 mio100 ax136 hnf97 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf93 smp100 dnf100 smp100 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 12ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...