./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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-MultiBranchesToLoop-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 ecbf88ff5eccf5176dc1eb8ce718b872e4a38037 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:33:39,484 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:33:39,487 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:33:39,532 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:33:39,532 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:33:39,545 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:33:39,547 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:33:39,550 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:33:39,553 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:33:39,555 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:33:39,557 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:33:39,560 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:33:39,561 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:33:39,564 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:33:39,566 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:33:39,567 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:33:39,568 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:33:39,569 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:33:39,571 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:33:39,573 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:33:39,575 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:33:39,576 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:33:39,577 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:33:39,578 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:33:39,581 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:33:39,581 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:33:39,581 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:33:39,582 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:33:39,583 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:33:39,584 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:33:39,584 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:33:39,585 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:33:39,586 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:33:39,586 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:33:39,588 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:33:39,588 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:33:39,589 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:33:39,589 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:33:39,589 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:33:39,590 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:33:39,591 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:33:39,592 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:33:39,644 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:33:39,645 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:33:39,646 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:33:39,647 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:33:39,647 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:33:39,647 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:33:39,648 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:33:39,648 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:33:39,648 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:33:39,648 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:33:39,650 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:33:39,650 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:33:39,650 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:33:39,651 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:33:39,651 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:33:39,652 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:33:39,653 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:33:39,653 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:33:39,653 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:33:39,654 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:33:39,654 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:33:39,654 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:33:39,655 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:33:39,655 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:33:39,655 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:33:39,655 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:33:39,656 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:33:39,656 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:33:39,656 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:33:39,658 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:33:39,659 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 -> ecbf88ff5eccf5176dc1eb8ce718b872e4a38037 [2020-10-20 06:33:39,891 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:33:39,914 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:33:39,921 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:33:39,923 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:33:39,928 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:33:39,930 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c [2020-10-20 06:33:40,011 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa03c6a57/0120c5cf36a14ccf9a48f724fd3b2f1d/FLAG6e1d738be [2020-10-20 06:33:40,603 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:33:40,603 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c [2020-10-20 06:33:40,609 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa03c6a57/0120c5cf36a14ccf9a48f724fd3b2f1d/FLAG6e1d738be [2020-10-20 06:33:40,877 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/aa03c6a57/0120c5cf36a14ccf9a48f724fd3b2f1d [2020-10-20 06:33:40,881 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:33:40,888 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:33:40,890 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:33:40,891 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:33:40,894 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:33:40,895 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:33:40" (1/1) ... [2020-10-20 06:33:40,899 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@73c721ec and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:40, skipping insertion in model container [2020-10-20 06:33:40,900 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:33:40" (1/1) ... [2020-10-20 06:33:40,909 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:33:40,933 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:33:41,122 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:33:41,127 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:33:41,152 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:33:41,170 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:33:41,170 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:41 WrapperNode [2020-10-20 06:33:41,170 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:33:41,171 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:33:41,172 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:33:41,172 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:33:41,191 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:41" (1/1) ... [2020-10-20 06:33:41,198 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:41" (1/1) ... [2020-10-20 06:33:41,221 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:33:41,222 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:33:41,222 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:33:41,222 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:33:41,233 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:41" (1/1) ... [2020-10-20 06:33:41,234 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:41" (1/1) ... [2020-10-20 06:33:41,235 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:41" (1/1) ... [2020-10-20 06:33:41,235 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:41" (1/1) ... [2020-10-20 06:33:41,247 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:41" (1/1) ... [2020-10-20 06:33:41,255 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:41" (1/1) ... [2020-10-20 06:33:41,260 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:41" (1/1) ... [2020-10-20 06:33:41,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:33:41,264 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:33:41,264 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:33:41,264 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:33:41,265 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:41" (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 [2020-10-20 06:33:41,356 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:33:41,357 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:33:41,572 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:33:41,572 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:33:41,574 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:33:41 BoogieIcfgContainer [2020-10-20 06:33:41,574 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:33:41,575 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:33:41,575 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:33:41,579 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:33:41,580 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:33:41,580 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:33:40" (1/3) ... [2020-10-20 06:33:41,582 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d152eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:33:41, skipping insertion in model container [2020-10-20 06:33:41,582 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:33:41,582 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:33:41" (2/3) ... [2020-10-20 06:33:41,582 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5d152eff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:33:41, skipping insertion in model container [2020-10-20 06:33:41,582 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:33:41,583 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:33:41" (3/3) ... [2020-10-20 06:33:41,584 INFO L373 chiAutomizerObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-2.c [2020-10-20 06:33:41,646 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:33:41,646 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:33:41,646 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:33:41,647 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:33:41,647 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:33:41,647 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:33:41,647 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:33:41,647 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:33:41,664 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-10-20 06:33:41,689 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:33:41,689 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:33:41,689 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:33:41,698 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:33:41,698 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:33:41,698 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:33:41,698 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-10-20 06:33:41,700 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:33:41,701 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:33:41,701 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:33:41,702 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:33:41,702 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:33:41,711 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 7#L20true assume !!(-268435455 <= main_~y~0); 10#L21true assume !!(-268435455 <= main_~z~0); 12#L22true assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := 1; 8#L22-2true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 3#L27-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 9#L32-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 19#L37-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 6#L42-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 18#L47-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 5#L52-1true assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 16#L57-1true assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 15#L67-1true [2020-10-20 06:33:41,712 INFO L796 eck$LassoCheckResult]: Loop: 15#L67-1true 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; 15#L67-1true [2020-10-20 06:33:41,719 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:41,719 INFO L82 PathProgramCache]: Analyzing trace with hash 21841375, now seen corresponding path program 1 times [2020-10-20 06:33:41,730 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:41,731 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [232784193] [2020-10-20 06:33:41,731 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:41,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:33:41,885 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:33:41,886 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [232784193] [2020-10-20 06:33:41,887 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:33:41,888 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:33:41,889 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1654962190] [2020-10-20 06:33:41,894 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 06:33:41,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:41,895 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 1 times [2020-10-20 06:33:41,895 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:41,896 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402556307] [2020-10-20 06:33:41,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:41,903 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:41,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:41,907 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:41,924 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:33:42,057 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:33:42,073 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:33:42,074 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:33:42,076 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2020-10-20 06:33:42,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:33:42,202 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2020-10-20 06:33:42,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:33:42,205 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2020-10-20 06:33:42,208 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-10-20 06:33:42,213 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 22 states and 31 transitions. [2020-10-20 06:33:42,214 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2020-10-20 06:33:42,215 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2020-10-20 06:33:42,215 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2020-10-20 06:33:42,216 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:33:42,216 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2020-10-20 06:33:42,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2020-10-20 06:33:42,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2020-10-20 06:33:42,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-20 06:33:42,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2020-10-20 06:33:42,248 INFO L714 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2020-10-20 06:33:42,248 INFO L594 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2020-10-20 06:33:42,248 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:33:42,248 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2020-10-20 06:33:42,250 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:33:42,250 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:33:42,250 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:33:42,252 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:33:42,253 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:33:42,253 INFO L794 eck$LassoCheckResult]: Stem: 67#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; 63#L20 assume !!(-268435455 <= main_~y~0); 64#L21 assume !!(-268435455 <= main_~z~0); 66#L22 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~x~0 := -1; 68#L22-2 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 56#L27-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 57#L32-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 65#L37-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 60#L42-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 61#L47-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 58#L52-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 59#L57-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 69#L67-1 [2020-10-20 06:33:42,254 INFO L796 eck$LassoCheckResult]: Loop: 69#L67-1 assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 69#L67-1 [2020-10-20 06:33:42,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:42,254 INFO L82 PathProgramCache]: Analyzing trace with hash -322927901, now seen corresponding path program 1 times [2020-10-20 06:33:42,255 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:42,255 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [288237495] [2020-10-20 06:33:42,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:42,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:33:42,278 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:33:42,278 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [288237495] [2020-10-20 06:33:42,278 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-20 06:33:42,279 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-20 06:33:42,279 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1842658076] [2020-10-20 06:33:42,279 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-20 06:33:42,280 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:42,280 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 2 times [2020-10-20 06:33:42,280 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:42,280 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1716786034] [2020-10-20 06:33:42,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:42,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:42,286 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:42,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:42,290 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:42,291 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:33:42,318 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-20 06:33:42,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-20 06:33:42,319 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-20 06:33:42,319 INFO L87 Difference]: Start difference. First operand 21 states and 30 transitions. cyclomatic complexity: 10 Second operand 3 states. [2020-10-20 06:33:42,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-20 06:33:42,391 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2020-10-20 06:33:42,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-20 06:33:42,393 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 23 transitions. [2020-10-20 06:33:42,394 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-10-20 06:33:42,395 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 23 transitions. [2020-10-20 06:33:42,395 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2020-10-20 06:33:42,396 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2020-10-20 06:33:42,396 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 23 transitions. [2020-10-20 06:33:42,396 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:33:42,396 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2020-10-20 06:33:42,397 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 23 transitions. [2020-10-20 06:33:42,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2020-10-20 06:33:42,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-20 06:33:42,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-10-20 06:33:42,399 INFO L714 BuchiCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-10-20 06:33:42,399 INFO L594 BuchiCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-10-20 06:33:42,400 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-20 06:33:42,400 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 22 transitions. [2020-10-20 06:33:42,401 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:33:42,401 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:33:42,401 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:33:42,402 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:33:42,402 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:33:42,402 INFO L794 eck$LassoCheckResult]: Stem: 116#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 111#L20 assume !!(-268435455 <= main_~y~0); 112#L21 assume !!(-268435455 <= main_~z~0); 115#L22 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~x~0 := -1; 113#L22-2 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 105#L27-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 106#L32-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 114#L37-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 109#L42-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 110#L47-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 123#L52-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 122#L57-1 assume !(main_~x~0 > 0);main_~x~0 := main_~x~0 - 1; 118#L67-1 [2020-10-20 06:33:42,402 INFO L796 eck$LassoCheckResult]: Loop: 118#L67-1 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; 118#L67-1 [2020-10-20 06:33:42,402 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:42,403 INFO L82 PathProgramCache]: Analyzing trace with hash 701899747, now seen corresponding path program 1 times [2020-10-20 06:33:42,403 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:42,403 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1581091453] [2020-10-20 06:33:42,403 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:42,422 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:42,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:42,436 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:42,439 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:33:42,440 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:42,440 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 3 times [2020-10-20 06:33:42,440 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:42,441 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978229254] [2020-10-20 06:33:42,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:42,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:42,446 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:42,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:42,449 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:42,450 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:33:42,451 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:42,451 INFO L82 PathProgramCache]: Analyzing trace with hash 284055750, now seen corresponding path program 1 times [2020-10-20 06:33:42,451 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:42,451 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1650816680] [2020-10-20 06:33:42,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:42,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:42,469 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:42,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:42,500 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:42,510 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:33:42,666 WARN L193 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 42 [2020-10-20 06:33:42,711 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:33:42,712 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:33:42,712 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:33:42,712 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:33:42,712 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:33:42,713 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:42,713 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:33:42,713 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:33:42,713 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2020-10-20 06:33:42,713 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:33:42,713 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:33:42,736 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:42,747 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:42,752 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:42,755 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:42,758 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:42,779 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:42,782 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:42,905 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:33:42,905 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) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:42,914 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:33:42,915 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:33:42,927 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:33:42,927 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) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:42,970 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:33:42,970 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:33:42,974 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:33:42,975 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) [2020-10-20 06:33:43,020 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:33:43,021 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:43,025 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:33:43,025 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) [2020-10-20 06:33:43,064 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:33:43,064 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:43,068 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:33:43,068 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 [2020-10-20 06:33:43,101 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:33:43,101 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2020-10-20 06:33:43,146 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:33:43,146 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:33:43,192 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:33:43,195 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:33:43,195 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:33:43,195 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:33:43,195 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:33:43,196 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:33:43,196 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:43,196 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:33:43,196 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:33:43,196 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2020-10-20 06:33:43,196 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:33:43,196 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:33:43,201 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:43,206 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:43,211 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:43,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:43,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:43,257 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:43,260 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:43,359 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:33:43,367 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2020-10-20 06:33:43,381 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 [2020-10-20 06:33:43,385 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:43,386 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:43,386 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:43,386 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:43,395 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:33:43,395 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:33:43,402 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 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 [2020-10-20 06:33:43,450 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 [2020-10-20 06:33:43,453 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:43,453 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:33:43,454 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:43,454 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:43,454 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:43,456 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:33:43,456 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:33:43,458 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 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:33:43,511 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 [2020-10-20 06:33:43,513 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:43,513 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:33:43,514 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:43,514 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:43,514 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:43,517 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:33:43,517 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:33:43,520 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) [2020-10-20 06:33:43,575 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 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:43,583 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:43,583 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:43,583 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:43,583 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:43,590 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:33:43,590 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:33:43,600 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:33:43,634 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2020-10-20 06:33:43,634 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 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:33:43,643 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:43,647 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-20 06:33:43,648 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:33:43,648 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~z~0) = -1*ULTIMATE.start_main_~z~0 + 100 Supporting invariants [-1*ULTIMATE.start_main_~x~0 - 2 >= 0] [2020-10-20 06:33:43,691 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-10-20 06:33:43,789 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:43,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:33:43,819 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-20 06:33:43,823 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:33:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:33:44,062 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 06:33:44,063 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:33:44,063 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:33:44,068 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.9 stem predicates 1 loop predicates [2020-10-20 06:33:44,069 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 22 transitions. cyclomatic complexity: 2 Second operand 10 states. [2020-10-20 06:33:44,337 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 21 states and 22 transitions. cyclomatic complexity: 2. Second operand 10 states. Result 23 states and 24 transitions. Complement of second has 10 states. [2020-10-20 06:33:44,338 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 10 states 9 stem states 0 non-accepting loop states 1 accepting loop states [2020-10-20 06:33:44,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-20 06:33:44,339 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 23 transitions. [2020-10-20 06:33:44,343 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 12 letters. Loop has 1 letters. [2020-10-20 06:33:44,344 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:33:44,351 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 13 letters. Loop has 1 letters. [2020-10-20 06:33:44,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:33:44,352 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 12 letters. Loop has 2 letters. [2020-10-20 06:33:44,352 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:33:44,353 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 24 transitions. [2020-10-20 06:33:44,354 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:33:44,356 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 13 states and 13 transitions. [2020-10-20 06:33:44,357 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-10-20 06:33:44,359 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-10-20 06:33:44,359 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 13 transitions. [2020-10-20 06:33:44,360 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:33:44,360 INFO L691 BuchiCegarLoop]: Abstraction has 13 states and 13 transitions. [2020-10-20 06:33:44,360 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 13 transitions. [2020-10-20 06:33:44,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-10-20 06:33:44,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-20 06:33:44,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2020-10-20 06:33:44,365 INFO L714 BuchiCegarLoop]: Abstraction has 13 states and 13 transitions. [2020-10-20 06:33:44,365 INFO L594 BuchiCegarLoop]: Abstraction has 13 states and 13 transitions. [2020-10-20 06:33:44,365 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-20 06:33:44,366 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 13 transitions. [2020-10-20 06:33:44,366 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:33:44,368 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:33:44,368 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:33:44,369 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-20 06:33:44,369 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:33:44,370 INFO L794 eck$LassoCheckResult]: Stem: 247#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 242#L20 assume !!(-268435455 <= main_~y~0); 243#L21 assume !!(-268435455 <= main_~z~0); 246#L22 assume 0 != main_#t~nondet2;havoc main_#t~nondet2;main_~x~0 := 1; 244#L22-2 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 236#L27-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 237#L32-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 245#L37-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 240#L42-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 241#L47-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 238#L52-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 239#L57-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 248#L67-1 [2020-10-20 06:33:44,370 INFO L796 eck$LassoCheckResult]: Loop: 248#L67-1 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; 248#L67-1 [2020-10-20 06:33:44,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:44,371 INFO L82 PathProgramCache]: Analyzing trace with hash -1002986271, now seen corresponding path program 1 times [2020-10-20 06:33:44,371 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:44,371 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [24467095] [2020-10-20 06:33:44,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:44,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:44,396 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:44,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:44,407 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:44,409 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:33:44,410 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:44,410 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 4 times [2020-10-20 06:33:44,411 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:44,411 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [857113926] [2020-10-20 06:33:44,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:44,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:44,415 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:44,421 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:44,422 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:33:44,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:44,423 INFO L82 PathProgramCache]: Analyzing trace with hash -1027803256, now seen corresponding path program 1 times [2020-10-20 06:33:44,423 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:33:44,424 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [434683929] [2020-10-20 06:33:44,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:33:44,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:44,436 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:44,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:33:44,447 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:33:44,450 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:33:44,565 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:33:44,566 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:33:44,566 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:33:44,566 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:33:44,566 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:33:44,566 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:44,566 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:33:44,566 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:33:44,566 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2020-10-20 06:33:44,567 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:33:44,567 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:33:44,569 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:44,572 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:44,575 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:44,578 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:44,580 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:44,583 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:44,586 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:44,683 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:33:44,683 INFO L404 LassoAnalysis]: Checking for nontermination... 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) Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:44,690 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:33:44,690 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:33:44,694 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:33:44,694 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 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:33:44,733 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:33:44,733 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 14 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:44,737 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:33:44,737 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 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:44,760 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:33:44,761 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:33:44,763 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:33:44,763 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 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 [2020-10-20 06:33:44,788 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:33:44,788 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:33:44,792 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:33:44,792 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 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 [2020-10-20 06:33:44,815 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:33:44,815 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:33:44,819 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:33:44,820 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_3=1} Honda state: {v_rep~unnamed0~0~true_3=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /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) [2020-10-20 06:33:44,847 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:33:44,848 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 [2020-10-20 06:33:44,857 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:33:44,858 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 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 [2020-10-20 06:33:44,886 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:33:44,887 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2020-10-20 06:33:44,922 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:33:44,922 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:33:44,963 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:33:44,966 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:33:44,966 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:33:44,966 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:33:44,966 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:33:44,966 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:33:44,966 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:44,967 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:33:44,967 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:33:44,967 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2020-10-20 06:33:44,967 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:33:44,967 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:33:44,969 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:44,980 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:44,981 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:44,986 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:44,989 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:44,992 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:44,995 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:33:45,093 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:33:45,093 INFO L489 LassoAnalysis]: Using template 'affine'. 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) [2020-10-20 06:33:45,103 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 21 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:45,105 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:45,105 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:45,105 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:45,105 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:45,112 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:33:45,112 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:33:45,120 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 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 22 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:45,146 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 [2020-10-20 06:33:45,148 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:45,148 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:33:45,148 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:45,148 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:45,148 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:45,149 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:33:45,149 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:33:45,152 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 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:33:45,179 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 [2020-10-20 06:33:45,180 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:45,180 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:33:45,180 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:45,181 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:45,181 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:45,181 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:33:45,181 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:45,183 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 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 [2020-10-20 06:33:45,211 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 [2020-10-20 06:33:45,212 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:45,212 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:33:45,212 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:45,212 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:45,212 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:45,213 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:33:45,213 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:33:45,214 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) Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:45,237 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 [2020-10-20 06:33:45,238 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:45,238 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:33:45,238 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:45,239 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:45,239 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:45,239 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:33:45,239 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:33:45,240 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) [2020-10-20 06:33:45,263 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 [2020-10-20 06:33:45,264 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:45,264 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:45,264 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:45,265 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:45,266 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:33:45,267 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:33:45,270 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. Waiting until toolchain timeout for monitored process 26 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 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:33:45,295 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 [2020-10-20 06:33:45,296 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:33:45,296 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:33:45,296 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:33:45,296 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:33:45,301 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:33:45,302 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:33:45,314 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:33:45,331 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-20 06:33:45,331 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 28 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:33:45,342 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 [2020-10-20 06:33:45,350 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-20 06:33:45,351 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:33:45,351 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~y~0) = -1*ULTIMATE.start_main_~y~0 + 100 Supporting invariants [1*ULTIMATE.start_main_~x~0 - 2 >= 0] [2020-10-20 06:33:45,391 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-10-20 06:33:45,417 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:33:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:33:45,451 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-20 06:33:45,452 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:33:45,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:33:45,603 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-20 06:33:45,603 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:33:45,604 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:33:45,604 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.8 stem predicates 1 loop predicates [2020-10-20 06:33:45,604 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 13 transitions. cyclomatic complexity: 1 Second operand 9 states. [2020-10-20 06:33:45,745 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states and 13 transitions. cyclomatic complexity: 1. Second operand 9 states. Result 14 states and 14 transitions. Complement of second has 9 states. [2020-10-20 06:33:45,746 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 9 states 8 stem states 0 non-accepting loop states 1 accepting loop states [2020-10-20 06:33:45,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-20 06:33:45,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. [2020-10-20 06:33:45,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 13 transitions. Stem has 12 letters. Loop has 1 letters. [2020-10-20 06:33:45,747 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:33:45,747 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 13 transitions. Stem has 13 letters. Loop has 1 letters. [2020-10-20 06:33:45,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:33:45,748 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 13 transitions. Stem has 12 letters. Loop has 2 letters. [2020-10-20 06:33:45,748 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:33:45,749 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 14 transitions. [2020-10-20 06:33:45,749 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:33:45,750 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2020-10-20 06:33:45,750 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:33:45,750 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:33:45,750 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:33:45,750 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:33:45,750 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:33:45,750 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:33:45,750 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:33:45,751 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-20 06:33:45,751 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:33:45,751 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:33:45,752 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:33:45,760 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:33:45 BoogieIcfgContainer [2020-10-20 06:33:45,761 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:33:45,761 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:33:45,762 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:33:45,762 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:33:45,763 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:33:41" (3/4) ... [2020-10-20 06:33:45,767 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:33:45,767 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:33:45,770 INFO L168 Benchmark]: Toolchain (without parser) took 4886.41 ms. Allocated memory was 45.1 MB in the beginning and 63.4 MB in the end (delta: 18.4 MB). Free memory was 26.3 MB in the beginning and 38.2 MB in the end (delta: -11.9 MB). Peak memory consumption was 6.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:33:45,771 INFO L168 Benchmark]: CDTParser took 1.33 ms. Allocated memory is still 33.0 MB. Free memory was 12.2 MB in the beginning and 12.2 MB in the end (delta: 48.4 kB). Peak memory consumption was 48.4 kB. Max. memory is 14.3 GB. [2020-10-20 06:33:45,772 INFO L168 Benchmark]: CACSL2BoogieTranslator took 281.21 ms. Allocated memory is still 45.1 MB. Free memory was 25.4 MB in the beginning and 15.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:33:45,772 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.08 ms. Allocated memory is still 45.1 MB. Free memory was 15.2 MB in the beginning and 26.2 MB in the end (delta: -10.9 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:33:45,773 INFO L168 Benchmark]: Boogie Preprocessor took 41.56 ms. Allocated memory is still 45.1 MB. Free memory was 26.0 MB in the beginning and 24.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:33:45,774 INFO L168 Benchmark]: RCFGBuilder took 310.69 ms. Allocated memory is still 45.1 MB. Free memory was 24.8 MB in the beginning and 13.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:33:45,775 INFO L168 Benchmark]: BuchiAutomizer took 4186.02 ms. Allocated memory was 45.1 MB in the beginning and 63.4 MB in the end (delta: 18.4 MB). Free memory was 12.9 MB in the beginning and 38.8 MB in the end (delta: -25.9 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:33:45,775 INFO L168 Benchmark]: Witness Printer took 6.12 ms. Allocated memory is still 63.4 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:33:45,780 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.33 ms. Allocated memory is still 33.0 MB. Free memory was 12.2 MB in the beginning and 12.2 MB in the end (delta: 48.4 kB). Peak memory consumption was 48.4 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 281.21 ms. Allocated memory is still 45.1 MB. Free memory was 25.4 MB in the beginning and 15.2 MB in the end (delta: 10.2 MB). Peak memory consumption was 10.2 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 50.08 ms. Allocated memory is still 45.1 MB. Free memory was 15.2 MB in the beginning and 26.2 MB in the end (delta: -10.9 MB). Peak memory consumption was 4.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 41.56 ms. Allocated memory is still 45.1 MB. Free memory was 26.0 MB in the beginning and 24.8 MB in the end (delta: 1.1 MB). Peak memory consumption was 1.1 MB. Max. memory is 14.3 GB. * RCFGBuilder took 310.69 ms. Allocated memory is still 45.1 MB. Free memory was 24.8 MB in the beginning and 13.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 4186.02 ms. Allocated memory was 45.1 MB in the beginning and 63.4 MB in the end (delta: 18.4 MB). Free memory was 12.9 MB in the beginning and 38.8 MB in the end (delta: -25.9 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 6.12 ms. Allocated memory is still 63.4 MB. Free memory is still 38.2 MB. There was no memory consumed. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 4 terminating modules (2 trivial, 2 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -1 * z + 100 and consists of 10 locations. One deterministic module has affine ranking function -1 * y + 100 and consists of 9 locations. 2 modules have a trivial ranking function, the largest among these consists of 3 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 4.1s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 2.7s. Construction of modules took 0.2s. Büchi inclusion checks took 0.9s. Highest rank in rank-based complementation 3. Minimization of det autom 4. Minimization of nondet autom 0. Automata minimization 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 2 StatesRemovedByMinimization, 2 NontrivialMinimizations. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 21 states and ocurred in iteration 1. Nontrivial modules had stage [2, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 54 SDtfs, 24 SDslu, 18 SDs, 0 SdLazy, 101 SolverSat, 86 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN2 SILU0 SILI0 SILT0 lasso2 LassoPreprocessingBenchmarks: Lassos: inital34 mio100 ax135 hnf95 lsp72 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq153 hnf93 smp100 dnf100 smp100 tf100 neg100 sie108 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 34ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.2s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...