./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 0.1.25-8bd4bc6 [2020-07-29 01:28:06,188 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:28:06,190 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:28:06,209 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:28:06,210 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:28:06,212 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:28:06,215 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:28:06,228 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:28:06,230 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:28:06,231 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:28:06,232 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:28:06,233 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:28:06,234 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:28:06,235 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:28:06,236 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:28:06,237 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:28:06,238 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:28:06,239 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:28:06,241 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:28:06,243 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:28:06,244 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:28:06,246 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:28:06,247 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:28:06,248 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:28:06,251 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:28:06,251 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:28:06,251 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:28:06,252 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:28:06,253 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:28:06,254 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:28:06,254 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:28:06,255 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:28:06,256 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:28:06,256 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:28:06,258 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:28:06,258 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:28:06,259 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:28:06,259 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:28:06,259 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:28:06,260 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:28:06,261 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:28:06,262 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-07-29 01:28:06,282 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:28:06,282 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:28:06,283 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:28:06,284 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:28:06,284 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:28:06,284 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:28:06,284 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:28:06,284 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:28:06,285 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:28:06,285 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:28:06,285 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:28:06,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:28:06,287 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:28:06,287 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:28:06,288 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:28:06,288 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:28:06,288 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:28:06,289 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:28:06,289 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:28:06,289 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:28:06,290 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:28:06,290 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:28:06,290 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:28:06,291 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:28:06,291 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:28:06,292 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:28:06,292 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:28:06,292 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:28:06,292 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:28:06,294 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:28:06,295 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 [2020-07-29 01:28:06,609 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:28:06,623 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:28:06,627 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:28:06,628 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:28:06,629 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:28:06,630 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c [2020-07-29 01:28:06,693 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120166ee0/6879b5cc3f174ef5ade8313c32506dfe/FLAGf61a85cfe [2020-07-29 01:28:07,140 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:28:07,141 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Toulouse-BranchesToLoop-2.c [2020-07-29 01:28:07,146 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120166ee0/6879b5cc3f174ef5ade8313c32506dfe/FLAGf61a85cfe [2020-07-29 01:28:07,567 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/120166ee0/6879b5cc3f174ef5ade8313c32506dfe [2020-07-29 01:28:07,571 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:28:07,574 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:28:07,576 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:28:07,576 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:28:07,580 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:28:07,581 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:28:07" (1/1) ... [2020-07-29 01:28:07,585 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5a6da108 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:07, skipping insertion in model container [2020-07-29 01:28:07,585 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:28:07" (1/1) ... [2020-07-29 01:28:07,593 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:28:07,616 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:28:07,808 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:28:07,813 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:28:07,831 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:28:07,846 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:28:07,847 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:07 WrapperNode [2020-07-29 01:28:07,847 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:28:07,848 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:28:07,848 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:28:07,848 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:28:07,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:07" (1/1) ... [2020-07-29 01:28:07,861 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:07" (1/1) ... [2020-07-29 01:28:07,942 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:28:07,943 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:28:07,943 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:28:07,943 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:28:07,951 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:07" (1/1) ... [2020-07-29 01:28:07,951 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:07" (1/1) ... [2020-07-29 01:28:07,952 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:07" (1/1) ... [2020-07-29 01:28:07,952 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:07" (1/1) ... [2020-07-29 01:28:07,954 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:07" (1/1) ... [2020-07-29 01:28:07,959 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:07" (1/1) ... [2020-07-29 01:28:07,960 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:07" (1/1) ... [2020-07-29 01:28:07,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:28:07,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:28:07,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:28:07,962 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:28:07,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:07" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:28:08,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:28:08,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:28:08,214 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:28:08,214 INFO L295 CfgBuilder]: Removed 5 assume(true) statements. [2020-07-29 01:28:08,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:28:08 BoogieIcfgContainer [2020-07-29 01:28:08,218 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:28:08,219 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:28:08,219 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:28:08,223 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:28:08,224 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:28:08,224 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:28:07" (1/3) ... [2020-07-29 01:28:08,225 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11837c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:28:08, skipping insertion in model container [2020-07-29 01:28:08,226 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:28:08,226 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:28:07" (2/3) ... [2020-07-29 01:28:08,226 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11837c0d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:28:08, skipping insertion in model container [2020-07-29 01:28:08,226 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:28:08,226 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:28:08" (3/3) ... [2020-07-29 01:28:08,228 INFO L371 chiAutomizerObserver]: Analyzing ICFG Toulouse-BranchesToLoop-2.c [2020-07-29 01:28:08,280 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:28:08,280 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:28:08,280 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:28:08,280 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:28:08,280 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:28:08,281 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:28:08,281 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:28:08,281 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:28:08,295 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-07-29 01:28:08,318 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:28:08,319 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:08,319 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:08,324 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:28:08,325 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:28:08,325 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:28:08,325 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-07-29 01:28:08,327 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:28:08,328 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:08,328 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:08,328 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:28:08,328 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:28:08,335 INFO L794 eck$LassoCheckResult]: Stem: 6#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 11#L20true assume !!(-268435455 <= main_~y~0); 5#L21true assume !!(-268435455 <= main_~z~0); 7#L22true assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := 1; 4#L27-1true [2020-07-29 01:28:08,335 INFO L796 eck$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 [2020-07-29 01:28:08,342 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:08,342 INFO L82 PathProgramCache]: Analyzing trace with hash 959433, now seen corresponding path program 1 times [2020-07-29 01:28:08,353 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:28:08,354 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1509735031] [2020-07-29 01:28:08,354 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:28:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:08,429 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:08,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:08,436 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:08,452 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:28:08,453 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:08,453 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 1 times [2020-07-29 01:28:08,453 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:28:08,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489556331] [2020-07-29 01:28:08,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:28:08,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:08,463 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:08,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:08,468 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:08,470 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:28:08,472 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:08,472 INFO L82 PathProgramCache]: Analyzing trace with hash 29742448, now seen corresponding path program 1 times [2020-07-29 01:28:08,472 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:28:08,473 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1573010780] [2020-07-29 01:28:08,473 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:28:08,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:08,485 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:08,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:08,497 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:08,503 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:28:08,684 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:28:08,685 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:28:08,686 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:28:08,686 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:28:08,686 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:28:08,686 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:08,687 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:28:08,687 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:28:08,687 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration1_Lasso [2020-07-29 01:28:08,687 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:28:08,688 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:28:08,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:08,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:08,756 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:08,762 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:08,768 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:08,775 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:08,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:09,160 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:28:09,161 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:09,170 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:09,170 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:09,180 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:09,185 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:09,245 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:09,245 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:09,250 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:09,250 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:28:09,279 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:09,279 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:28:09,282 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:09,282 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:28:09,306 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:09,306 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:28:09,311 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:09,311 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:28:09,339 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:09,339 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:28:09,343 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:09,343 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:28:09,367 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:09,367 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:28:09,371 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:09,371 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:28:09,398 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:09,398 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:28:09,439 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:28:09,440 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:28:09,475 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:28:09,477 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:28:09,477 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:28:09,478 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:28:09,478 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:28:09,478 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:28:09,478 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:09,478 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:28:09,478 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:28:09,479 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration1_Lasso [2020-07-29 01:28:09,479 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:28:09,479 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:28:09,494 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:09,502 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:09,508 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:09,512 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:09,517 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:09,530 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:09,537 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:09,763 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:28:09,769 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:28:09,775 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 [2020-07-29 01:28:09,777 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:09,778 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:09,778 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:09,778 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:09,782 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:28:09,783 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:28:09,788 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:09,837 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 [2020-07-29 01:28:09,839 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:09,839 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:09,840 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:09,840 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:09,840 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:09,841 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:28:09,841 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:09,843 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:09,888 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 Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:09,890 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:09,890 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:09,890 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:09,890 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:09,890 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:09,891 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:28:09,891 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-07-29 01:28:09,893 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:09,935 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 [2020-07-29 01:28:09,937 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:09,937 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:09,937 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:09,938 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:09,938 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:09,938 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:28:09,939 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:09,941 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:09,984 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 [2020-07-29 01:28:09,986 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:09,986 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:09,986 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:09,987 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:09,987 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:09,988 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:28:09,988 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:09,990 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:10,031 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 Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:10,032 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:10,033 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:10,033 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:10,033 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:10,036 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:28:10,036 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:28:10,041 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:28:10,082 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 [2020-07-29 01:28:10,084 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:10,084 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:10,084 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:10,085 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:10,092 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:28:10,092 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:28:10,104 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:28:10,127 INFO L443 ModelExtractionUtils]: Simplification made 6 calls to the SMT solver. [2020-07-29 01:28:10,128 INFO L444 ModelExtractionUtils]: 5 out of 13 variables were initially zero. Simplification set additionally 3 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:28:10,135 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-07-29 01:28:10,138 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-07-29 01:28:10,139 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:28:10,139 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] [2020-07-29 01:28:10,182 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-29 01:28:10,189 INFO L393 LassoCheck]: Loop: "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;" [2020-07-29 01:28:10,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:10,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:10,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:10,250 INFO L263 TraceCheckSpWp]: Trace formula consists of 11 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-29 01:28:10,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:10,257 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:28:10,274 INFO L280 TraceCheckUtils]: 0: Hoare triple {19#unseeded} 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; {19#unseeded} is VALID [2020-07-29 01:28:10,276 INFO L280 TraceCheckUtils]: 1: Hoare triple {19#unseeded} assume !!(-268435455 <= main_~y~0); {19#unseeded} is VALID [2020-07-29 01:28:10,276 INFO L280 TraceCheckUtils]: 2: Hoare triple {19#unseeded} assume !!(-268435455 <= main_~z~0); {19#unseeded} is VALID [2020-07-29 01:28:10,278 INFO L280 TraceCheckUtils]: 3: Hoare triple {19#unseeded} assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := 1; {38#(and (>= (+ ULTIMATE.start_main_~x~0 (- 1)) 0) unseeded)} is VALID [2020-07-29 01:28:10,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:10,285 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-29 01:28:10,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:10,289 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:28:10,291 INFO L280 TraceCheckUtils]: 0: Hoare triple {39#(and (>= oldRank0 (+ (* (- 2) ULTIMATE.start_main_~y~0) 199)) (>= (+ ULTIMATE.start_main_~x~0 (- 1)) 0))} 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; {41#(and (or (and (>= oldRank0 0) (> oldRank0 (+ (* (- 2) ULTIMATE.start_main_~y~0) 199))) unseeded) (>= (+ ULTIMATE.start_main_~x~0 (- 1)) 0))} is VALID [2020-07-29 01:28:10,292 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:28:10,304 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 01:28:10,318 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:28:10,320 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:10,323 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,330 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 [2020-07-29 01:28:10,332 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 9 states. Second operand 2 states. [2020-07-29 01:28:10,428 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 9 states.. Second operand 2 states. Result 24 states and 31 transitions. Complement of second has 5 states. [2020-07-29 01:28:10,428 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-07-29 01:28:10,428 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:28:10,428 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 9 states. [2020-07-29 01:28:10,430 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:28:10,430 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:10,431 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:10,431 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-29 01:28:10,436 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:28:10,436 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:10,436 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:10,436 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states and 31 transitions. [2020-07-29 01:28:10,438 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:28:10,438 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:10,438 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:10,440 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 9 states. [2020-07-29 01:28:10,442 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:28:10,443 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:28:10,443 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 2 states. [2020-07-29 01:28:10,446 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-07-29 01:28:10,446 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 2 examples of accepted words. [2020-07-29 01:28:10,446 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 24 states and 31 transitions. cyclomatic complexity: 9 [2020-07-29 01:28:10,447 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:28:10,447 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:10,447 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,447 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:10,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 9 Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:10,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,448 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:10,448 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,449 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:10,449 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,449 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 9 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:10,449 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,449 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:10,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:10,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,450 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 9 Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:10,450 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 24 letters. Loop has 24 letters. [2020-07-29 01:28:10,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 24 letters. Loop has 24 letters. [2020-07-29 01:28:10,451 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,451 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 9 Stem has 24 letters. Loop has 24 letters. [2020-07-29 01:28:10,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 9 letters. Loop has 9 letters. [2020-07-29 01:28:10,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,452 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 9 letters. Loop has 9 letters. [2020-07-29 01:28:10,452 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,453 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 9 Stem has 9 letters. Loop has 9 letters. [2020-07-29 01:28:10,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,453 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:28:10,453 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,453 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:28:10,454 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,454 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 9 Stem has 4 letters. Loop has 4 letters. [2020-07-29 01:28:10,454 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,454 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:10,454 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:10,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 9 Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:10,455 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,455 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:10,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:10,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,456 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 9 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:10,456 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:10,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:10,457 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,457 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 9 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:10,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:10,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:10,458 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,458 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 24 states and 31 transitions. cyclomatic complexity: 9 Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:10,459 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,459 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:28:10,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 01:28:10,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 22 transitions. [2020-07-29 01:28:10,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:10,463 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,463 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 5 letters. Loop has 1 letters. [2020-07-29 01:28:10,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,464 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 22 transitions. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:28:10,464 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:10,465 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 24 states and 31 transitions. cyclomatic complexity: 9 [2020-07-29 01:28:10,469 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:28:10,477 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 24 states to 5 states and 5 transitions. [2020-07-29 01:28:10,480 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 5 [2020-07-29 01:28:10,480 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 5 [2020-07-29 01:28:10,481 INFO L73 IsDeterministic]: Start isDeterministic. Operand 5 states and 5 transitions. [2020-07-29 01:28:10,481 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:28:10,481 INFO L688 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. [2020-07-29 01:28:10,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5 states and 5 transitions. [2020-07-29 01:28:10,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5 to 5. [2020-07-29 01:28:10,515 INFO L214 AbstractMinimizeNwa]: Start testing correctness of minimizeSevpa [2020-07-29 01:28:10,516 INFO L82 GeneralOperation]: Start isEquivalent. First operand 5 states and 5 transitions. Second operand 5 states. [2020-07-29 01:28:10,519 INFO L74 IsIncluded]: Start isIncluded. First operand 5 states and 5 transitions. Second operand 5 states. [2020-07-29 01:28:10,521 INFO L87 Difference]: Start difference. First operand 5 states and 5 transitions. Second operand 5 states. [2020-07-29 01:28:10,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:28:10,529 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2020-07-29 01:28:10,530 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2020-07-29 01:28:10,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:28:10,531 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:28:10,531 INFO L74 IsIncluded]: Start isIncluded. First operand 5 states. Second operand 5 states and 5 transitions. [2020-07-29 01:28:10,531 INFO L87 Difference]: Start difference. First operand 5 states. Second operand 5 states and 5 transitions. [2020-07-29 01:28:10,534 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-07-29 01:28:10,534 INFO L93 Difference]: Finished difference Result 5 states and 5 transitions. [2020-07-29 01:28:10,534 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states and 5 transitions. [2020-07-29 01:28:10,535 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:28:10,535 INFO L83 IsIncluded]: Finished isIncluded. Language is included [2020-07-29 01:28:10,535 INFO L88 GeneralOperation]: Finished isEquivalent. [2020-07-29 01:28:10,535 INFO L221 AbstractMinimizeNwa]: Finished testing correctness of minimizeSevpa [2020-07-29 01:28:10,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5 states. [2020-07-29 01:28:10,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 5 transitions. [2020-07-29 01:28:10,537 INFO L711 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. [2020-07-29 01:28:10,538 INFO L591 BuchiCegarLoop]: Abstraction has 5 states and 5 transitions. [2020-07-29 01:28:10,538 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2020-07-29 01:28:10,538 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 5 transitions. [2020-07-29 01:28:10,538 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:28:10,539 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:10,539 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:10,539 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1] [2020-07-29 01:28:10,540 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-07-29 01:28:10,540 INFO L794 eck$LassoCheckResult]: Stem: 91#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 92#L20 assume !!(-268435455 <= main_~y~0); 89#L21 assume !!(-268435455 <= main_~z~0); 90#L22 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~x~0 := -1; 88#L27-1 [2020-07-29 01:28:10,540 INFO L796 eck$LassoCheckResult]: Loop: 88#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; 88#L27-1 [2020-07-29 01:28:10,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:10,541 INFO L82 PathProgramCache]: Analyzing trace with hash 959435, now seen corresponding path program 1 times [2020-07-29 01:28:10,541 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:28:10,541 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2088643115] [2020-07-29 01:28:10,541 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:28:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:10,562 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:10,574 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:10,577 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:28:10,578 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:10,579 INFO L82 PathProgramCache]: Analyzing trace with hash 56, now seen corresponding path program 2 times [2020-07-29 01:28:10,579 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:28:10,579 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [626239790] [2020-07-29 01:28:10,579 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:28:10,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:10,591 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:10,605 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:10,606 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:28:10,607 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:10,607 INFO L82 PathProgramCache]: Analyzing trace with hash 29742510, now seen corresponding path program 1 times [2020-07-29 01:28:10,607 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:28:10,608 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [353478384] [2020-07-29 01:28:10,608 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:28:10,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:10,615 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:10,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 01:28:10,620 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 01:28:10,622 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 01:28:10,679 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:28:10,680 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:28:10,680 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:28:10,680 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:28:10,680 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-07-29 01:28:10,680 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:10,680 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:28:10,681 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:28:10,681 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration2_Lasso [2020-07-29 01:28:10,681 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:28:10,681 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:28:10,693 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:10,698 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:10,702 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:10,706 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:10,709 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:10,733 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:10,738 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:10,934 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:28:10,934 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:10,938 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:10,938 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 18 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:10,942 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:10,942 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:28:10,974 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:10,975 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:28:10,977 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:10,977 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:28:11,008 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:11,008 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:28:11,011 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:11,012 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 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:11,086 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:11,087 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-07-29 01:28:11,094 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-07-29 01:28:11,094 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: [] Waiting until toolchain timeout for monitored process 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:11,137 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-07-29 01:28:11,137 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:11,179 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-07-29 01:28:11,179 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:11,210 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-07-29 01:28:11,211 INFO L210 LassoAnalysis]: Preferences: [2020-07-29 01:28:11,211 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-07-29 01:28:11,212 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-07-29 01:28:11,212 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-07-29 01:28:11,212 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-07-29 01:28:11,212 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:11,212 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-07-29 01:28:11,212 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-07-29 01:28:11,212 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-BranchesToLoop-2.c_Iteration2_Lasso [2020-07-29 01:28:11,212 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-07-29 01:28:11,213 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-07-29 01:28:11,229 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:11,234 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:11,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:11,240 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:11,258 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:11,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:11,266 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-07-29 01:28:11,433 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-07-29 01:28:11,433 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:28:11,437 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 [2020-07-29 01:28:11,439 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:11,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:11,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:11,440 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:11,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:28:11,444 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-07-29 01:28:11,448 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:11,490 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 [2020-07-29 01:28:11,492 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:11,492 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:11,492 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:11,493 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:11,493 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:11,493 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:28:11,493 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:11,499 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:11,537 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 [2020-07-29 01:28:11,539 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:11,539 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-07-29 01:28:11,539 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:11,540 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:11,540 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:11,541 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-07-29 01:28:11,541 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:11,543 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:11,583 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 [2020-07-29 01:28:11,586 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-07-29 01:28:11,586 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-07-29 01:28:11,586 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-07-29 01:28:11,586 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-07-29 01:28:11,591 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-07-29 01:28:11,592 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:11,602 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-07-29 01:28:11,624 INFO L443 ModelExtractionUtils]: Simplification made 11 calls to the SMT solver. [2020-07-29 01:28:11,624 INFO L444 ModelExtractionUtils]: 0 out of 13 variables were initially zero. Simplification set additionally 8 variables to zero. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-07-29 01:28:11,627 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-07-29 01:28:11,659 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-07-29 01:28:11,660 INFO L510 LassoAnalysis]: Proved termination. [2020-07-29 01:28:11,660 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] [2020-07-29 01:28:11,741 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-07-29 01:28:11,749 INFO L393 LassoCheck]: Loop: "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;" [2020-07-29 01:28:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:11,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:28:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:11,794 INFO L263 TraceCheckSpWp]: Trace formula consists of 12 conjuncts, 3 conjunts are in the unsatisfiable core [2020-07-29 01:28:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:11,798 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:28:11,801 INFO L280 TraceCheckUtils]: 0: Hoare triple {112#unseeded} 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; {112#unseeded} is VALID [2020-07-29 01:28:11,802 INFO L280 TraceCheckUtils]: 1: Hoare triple {112#unseeded} assume !!(-268435455 <= main_~y~0); {112#unseeded} is VALID [2020-07-29 01:28:11,802 INFO L280 TraceCheckUtils]: 2: Hoare triple {112#unseeded} assume !!(-268435455 <= main_~z~0); {112#unseeded} is VALID [2020-07-29 01:28:11,804 INFO L280 TraceCheckUtils]: 3: Hoare triple {112#unseeded} assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~x~0 := -1; {131#(and (>= (+ (* (- 1) ULTIMATE.start_main_~x~0) (- 1)) 0) unseeded)} is VALID [2020-07-29 01:28:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:11,809 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-07-29 01:28:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:28:11,813 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-07-29 01:28:11,816 INFO L280 TraceCheckUtils]: 0: Hoare triple {132#(and (>= oldRank0 (+ (* (- 2) ULTIMATE.start_main_~z~0) 199)) (>= (+ (* (- 1) ULTIMATE.start_main_~x~0) (- 1)) 0))} 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; {134#(and (>= (+ (* (- 1) ULTIMATE.start_main_~x~0) (- 1)) 0) (or (and (>= oldRank0 0) (> oldRank0 (+ (* (- 2) ULTIMATE.start_main_~z~0) 199))) unseeded))} is VALID [2020-07-29 01:28:11,816 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-07-29 01:28:11,816 INFO L86 InductivityCheck]: Starting indutivity check of a Floyd-Hoare automaton with 2 states. [2020-07-29 01:28:11,823 INFO L119 InductivityCheck]: Floyd-Hoare automaton has 5 edges. 5 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. [2020-07-29 01:28:11,824 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:11,824 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,824 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 [2020-07-29 01:28:11,824 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 5 states and 5 transitions. cyclomatic complexity: 1 Second operand 2 states. [2020-07-29 01:28:11,862 INFO L75 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. [2020-07-29 01:28:11,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 2 states 1 stem states 0 non-accepting loop states 1 accepting loop states [2020-07-29 01:28:11,862 INFO L123 tractBuchiDifference]: Start testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:28:11,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 5 states and 5 transitions. cyclomatic complexity: 1 [2020-07-29 01:28:11,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:11,865 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:11,865 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 2 states. [2020-07-29 01:28:11,865 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:28:11,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:28:11,866 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:28:11,866 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. [2020-07-29 01:28:11,866 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:28:11,866 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:28:11,867 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 5 states and 5 transitions. cyclomatic complexity: 1 [2020-07-29 01:28:11,867 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:28:11,869 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 2 states. [2020-07-29 01:28:11,870 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-07-29 01:28:11,870 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 1 examples of accepted words. [2020-07-29 01:28:11,871 INFO L70 LassoExtractor]: Start lassoExtractor. Operand 6 states and 6 transitions. cyclomatic complexity: 1 [2020-07-29 01:28:11,871 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states and 6 transitions. cyclomatic complexity: 1 [2020-07-29 01:28:11,871 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:28:11,871 INFO L86 LassoExtractor]: Finished lassoExtractor. Found 0 examples of accepted words. [2020-07-29 01:28:11,871 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5 transitions. cyclomatic complexity: 1 Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:11,871 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:11,872 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,872 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 6 transitions. cyclomatic complexity: 1 Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:11,874 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5 transitions. cyclomatic complexity: 1 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:11,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:11,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,875 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 6 transitions. cyclomatic complexity: 1 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:11,875 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5 transitions. cyclomatic complexity: 1 Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:28:11,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:28:11,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,876 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 6 transitions. cyclomatic complexity: 1 Stem has 6 letters. Loop has 6 letters. [2020-07-29 01:28:11,876 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5 transitions. cyclomatic complexity: 1 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:28:11,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:28:11,877 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,877 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 6 transitions. cyclomatic complexity: 1 Stem has 5 letters. Loop has 5 letters. [2020-07-29 01:28:11,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5 transitions. cyclomatic complexity: 1 Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:28:11,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:28:11,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,878 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 6 transitions. cyclomatic complexity: 1 Stem has 2 letters. Loop has 2 letters. [2020-07-29 01:28:11,878 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,879 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5 transitions. cyclomatic complexity: 1 Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:11,880 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:11,881 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,881 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 6 transitions. cyclomatic complexity: 1 Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:11,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 5 transitions. cyclomatic complexity: 1 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:11,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,882 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states. Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:11,882 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,883 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 6 states and 6 transitions. cyclomatic complexity: 1 Stem has 1 letters. Loop has 1 letters. [2020-07-29 01:28:11,883 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,883 INFO L161 tractBuchiDifference]: Finished testing correctness of buchiDifferenceNCSBLazy3 [2020-07-29 01:28:11,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-07-29 01:28:11,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2 states to 2 states and 5 transitions. [2020-07-29 01:28:11,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 4 letters. Loop has 1 letters. [2020-07-29 01:28:11,885 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,885 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 5 letters. Loop has 1 letters. [2020-07-29 01:28:11,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,886 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 2 states and 5 transitions. Stem has 4 letters. Loop has 2 letters. [2020-07-29 01:28:11,886 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-07-29 01:28:11,886 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 6 states and 6 transitions. cyclomatic complexity: 1 [2020-07-29 01:28:11,887 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:28:11,888 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 6 states to 0 states and 0 transitions. [2020-07-29 01:28:11,888 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-07-29 01:28:11,888 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-07-29 01:28:11,888 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-07-29 01:28:11,888 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-07-29 01:28:11,888 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:28:11,888 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:28:11,889 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-07-29 01:28:11,889 INFO L424 BuchiCegarLoop]: ======== Iteration 3============ [2020-07-29 01:28:11,889 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-07-29 01:28:11,889 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-07-29 01:28:11,889 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-07-29 01:28:11,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.07 01:28:11 BoogieIcfgContainer [2020-07-29 01:28:11,898 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-07-29 01:28:11,899 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:28:11,899 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:28:11,899 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:28:11,900 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:28:08" (3/4) ... [2020-07-29 01:28:11,903 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-07-29 01:28:11,903 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:28:11,911 INFO L168 Benchmark]: Toolchain (without parser) took 4333.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 210.2 MB). Free memory was 953.5 MB in the beginning and 1.1 GB in the end (delta: -135.0 MB). Peak memory consumption was 75.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:11,912 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:28:11,912 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.63 ms. Allocated memory is still 1.0 GB. Free memory was 953.5 MB in the beginning and 942.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:11,914 INFO L168 Benchmark]: Boogie Procedure Inliner took 94.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 942.8 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:11,915 INFO L168 Benchmark]: Boogie Preprocessor took 18.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:11,917 INFO L168 Benchmark]: RCFGBuilder took 256.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:11,920 INFO L168 Benchmark]: BuchiAutomizer took 3679.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.9 MB). Peak memory consumption was 98.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:28:11,921 INFO L168 Benchmark]: Witness Printer took 4.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:28:11,933 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 271.63 ms. Allocated memory is still 1.0 GB. Free memory was 953.5 MB in the beginning and 942.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 94.47 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 942.8 MB in the beginning and 1.1 GB in the end (delta: -187.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 256.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 3679.69 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 75.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 23.9 MB). Peak memory consumption was 98.8 MB. Max. memory is 11.5 GB. * Witness Printer took 4.85 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * 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 3.6s and 3 iterations. TraceHistogramMax:1. Analysis of lassos took 3.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.3s. 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: 17ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 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...