./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 54858612 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_1.5.800.v20200727-1323.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 0.2.0-5485861 [2020-10-26 04:14:40,495 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-26 04:14:40,497 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-26 04:14:40,529 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-26 04:14:40,530 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-26 04:14:40,531 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-26 04:14:40,533 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-26 04:14:40,535 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-26 04:14:40,537 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-26 04:14:40,538 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-26 04:14:40,539 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-26 04:14:40,541 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-26 04:14:40,541 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-26 04:14:40,542 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-26 04:14:40,543 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-26 04:14:40,544 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-26 04:14:40,545 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-26 04:14:40,546 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-26 04:14:40,548 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-26 04:14:40,550 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-26 04:14:40,552 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-26 04:14:40,553 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-26 04:14:40,555 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-26 04:14:40,555 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-26 04:14:40,558 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-26 04:14:40,559 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-26 04:14:40,559 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-26 04:14:40,560 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-26 04:14:40,560 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-26 04:14:40,561 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-26 04:14:40,562 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-26 04:14:40,563 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-26 04:14:40,563 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-26 04:14:40,564 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-26 04:14:40,565 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-26 04:14:40,566 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-26 04:14:40,567 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-26 04:14:40,567 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-26 04:14:40,567 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-26 04:14:40,568 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-26 04:14:40,569 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-26 04:14:40,572 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-26 04:14:40,624 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-26 04:14:40,625 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-26 04:14:40,628 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-26 04:14:40,628 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-26 04:14:40,628 INFO L138 SettingsManager]: * Use SBE=true [2020-10-26 04:14:40,628 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-26 04:14:40,629 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-26 04:14:40,629 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-26 04:14:40,630 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-26 04:14:40,630 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-26 04:14:40,630 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-26 04:14:40,630 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-26 04:14:40,630 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-26 04:14:40,631 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-26 04:14:40,631 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-26 04:14:40,632 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-26 04:14:40,632 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-26 04:14:40,632 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-26 04:14:40,633 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-26 04:14:40,633 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-26 04:14:40,633 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-26 04:14:40,633 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-26 04:14:40,633 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-26 04:14:40,634 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-26 04:14:40,634 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-26 04:14:40,634 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-26 04:14:40,634 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-26 04:14:40,634 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-26 04:14:40,635 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-26 04:14:40,636 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-26 04:14:40,636 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ecbf88ff5eccf5176dc1eb8ce718b872e4a38037 [2020-10-26 04:14:41,043 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-26 04:14:41,089 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-26 04:14:41,093 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-26 04:14:41,095 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-26 04:14:41,095 INFO L275 PluginConnector]: CDTParser initialized [2020-10-26 04:14:41,097 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c [2020-10-26 04:14:41,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08b3a126f/78170df9be074c56bf4191a5ec932bd6/FLAGc49eb2912 [2020-10-26 04:14:41,723 INFO L306 CDTParser]: Found 1 translation units. [2020-10-26 04:14:41,724 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/Toulouse-MultiBranchesToLoop-2.c [2020-10-26 04:14:41,733 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08b3a126f/78170df9be074c56bf4191a5ec932bd6/FLAGc49eb2912 [2020-10-26 04:14:42,058 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/08b3a126f/78170df9be074c56bf4191a5ec932bd6 [2020-10-26 04:14:42,061 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-26 04:14:42,068 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-26 04:14:42,070 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-26 04:14:42,070 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-26 04:14:42,080 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-26 04:14:42,082 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:14:42" (1/1) ... [2020-10-26 04:14:42,085 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@508c2893 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:42, skipping insertion in model container [2020-10-26 04:14:42,085 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 04:14:42" (1/1) ... [2020-10-26 04:14:42,094 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-26 04:14:42,116 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-26 04:14:42,294 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:14:42,299 INFO L203 MainTranslator]: Completed pre-run [2020-10-26 04:14:42,323 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-26 04:14:42,337 INFO L208 MainTranslator]: Completed translation [2020-10-26 04:14:42,337 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:42 WrapperNode [2020-10-26 04:14:42,338 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-26 04:14:42,339 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-26 04:14:42,339 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-26 04:14:42,340 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-26 04:14:42,348 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:42" (1/1) ... [2020-10-26 04:14:42,354 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:42" (1/1) ... [2020-10-26 04:14:42,375 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-26 04:14:42,376 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-26 04:14:42,376 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-26 04:14:42,376 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-26 04:14:42,386 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:42" (1/1) ... [2020-10-26 04:14:42,386 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:42" (1/1) ... [2020-10-26 04:14:42,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:42" (1/1) ... [2020-10-26 04:14:42,391 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:42" (1/1) ... [2020-10-26 04:14:42,396 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:42" (1/1) ... [2020-10-26 04:14:42,402 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:42" (1/1) ... [2020-10-26 04:14:42,411 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:42" (1/1) ... [2020-10-26 04:14:42,415 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-26 04:14:42,417 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-26 04:14:42,417 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-26 04:14:42,418 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-26 04:14:42,419 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:42" (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 [2020-10-26 04:14:42,505 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-26 04:14:42,506 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-26 04:14:42,737 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-26 04:14:42,738 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-26 04:14:42,739 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:14:42 BoogieIcfgContainer [2020-10-26 04:14:42,739 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-26 04:14:42,740 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-26 04:14:42,741 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-26 04:14:42,744 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-26 04:14:42,745 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:14:42,746 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 26.10 04:14:42" (1/3) ... [2020-10-26 04:14:42,747 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@303e3e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:14:42, skipping insertion in model container [2020-10-26 04:14:42,747 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:14:42,747 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 04:14:42" (2/3) ... [2020-10-26 04:14:42,747 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@303e3e0c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 26.10 04:14:42, skipping insertion in model container [2020-10-26 04:14:42,748 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-26 04:14:42,748 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:14:42" (3/3) ... [2020-10-26 04:14:42,750 INFO L373 chiAutomizerObserver]: Analyzing ICFG Toulouse-MultiBranchesToLoop-2.c [2020-10-26 04:14:42,816 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-26 04:14:42,816 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-26 04:14:42,817 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-26 04:14:42,817 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-26 04:14:42,817 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-26 04:14:42,817 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-26 04:14:42,817 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-26 04:14:42,817 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-26 04:14:42,839 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-10-26 04:14:42,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:14:42,864 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:14:42,864 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:14:42,871 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:14:42,872 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:14:42,872 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-26 04:14:42,872 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 17 states. [2020-10-26 04:14:42,874 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:14:42,874 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:14:42,875 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:14:42,875 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:14:42,875 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:14:42,884 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 [2020-10-26 04:14:42,885 INFO L796 eck$LassoCheckResult]: Loop: 15#L67-1true assume !!(main_~y~0 < 100 && main_~z~0 < 100);main_~y~0 := main_~y~0 + main_~x~0;main_~z~0 := main_~z~0 - main_~x~0; 15#L67-1true [2020-10-26 04:14:42,891 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:42,891 INFO L82 PathProgramCache]: Analyzing trace with hash 21841375, now seen corresponding path program 1 times [2020-10-26 04:14:42,905 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:14:42,907 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404250368] [2020-10-26 04:14:42,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:14:43,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:14:43,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:14:43,175 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404250368] [2020-10-26 04:14:43,176 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:14:43,176 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:14:43,177 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832360803] [2020-10-26 04:14:43,193 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:14:43,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:43,194 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 1 times [2020-10-26 04:14:43,195 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:14:43,195 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1699519511] [2020-10-26 04:14:43,195 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:14:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:43,210 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:43,220 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:43,245 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:14:43,353 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:14:43,375 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:14:43,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:14:43,381 INFO L87 Difference]: Start difference. First operand 17 states. Second operand 3 states. [2020-10-26 04:14:43,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:14:43,557 INFO L93 Difference]: Finished difference Result 30 states and 41 transitions. [2020-10-26 04:14:43,558 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:14:43,560 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 41 transitions. [2020-10-26 04:14:43,563 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-10-26 04:14:43,567 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 22 states and 31 transitions. [2020-10-26 04:14:43,568 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2020-10-26 04:14:43,569 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2020-10-26 04:14:43,569 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 31 transitions. [2020-10-26 04:14:43,570 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:14:43,570 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 31 transitions. [2020-10-26 04:14:43,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 31 transitions. [2020-10-26 04:14:43,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2020-10-26 04:14:43,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-26 04:14:43,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 30 transitions. [2020-10-26 04:14:43,605 INFO L714 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2020-10-26 04:14:43,605 INFO L594 BuchiCegarLoop]: Abstraction has 21 states and 30 transitions. [2020-10-26 04:14:43,605 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-26 04:14:43,605 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 30 transitions. [2020-10-26 04:14:43,607 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:14:43,607 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:14:43,607 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:14:43,609 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:14:43,610 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:14:43,610 INFO L794 eck$LassoCheckResult]: Stem: 67#ULTIMATE.startENTRY havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_~x~0, main_~y~0, main_~z~0;havoc main_~x~0;havoc main_~y~0;havoc main_~z~0;main_~y~0 := main_#t~nondet0;havoc main_#t~nondet0;main_~z~0 := main_#t~nondet1;havoc main_#t~nondet1; 63#L20 assume !!(-268435455 <= main_~y~0); 64#L21 assume !!(-268435455 <= main_~z~0); 66#L22 assume !(0 != main_#t~nondet2);havoc main_#t~nondet2;main_~x~0 := -1; 68#L22-2 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 56#L27-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 57#L32-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 65#L37-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 60#L42-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 61#L47-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 58#L52-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 59#L57-1 assume main_~x~0 > 0;main_~x~0 := 1 + main_~x~0; 69#L67-1 [2020-10-26 04:14:43,610 INFO L796 eck$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 [2020-10-26 04:14:43,611 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:43,611 INFO L82 PathProgramCache]: Analyzing trace with hash -322927901, now seen corresponding path program 1 times [2020-10-26 04:14:43,612 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:14:43,612 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [10079222] [2020-10-26 04:14:43,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:14:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:14:43,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:14:43,649 INFO L353 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [10079222] [2020-10-26 04:14:43,649 INFO L219 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-10-26 04:14:43,650 INFO L232 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2020-10-26 04:14:43,650 INFO L155 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430033929] [2020-10-26 04:14:43,650 INFO L799 eck$LassoCheckResult]: stem already infeasible [2020-10-26 04:14:43,651 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:43,651 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 2 times [2020-10-26 04:14:43,652 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:14:43,652 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880433929] [2020-10-26 04:14:43,652 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:14:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:43,658 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:43,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:43,661 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:43,663 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:14:43,709 INFO L142 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2020-10-26 04:14:43,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2020-10-26 04:14:43,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2020-10-26 04:14:43,710 INFO L87 Difference]: Start difference. First operand 21 states and 30 transitions. cyclomatic complexity: 10 Second operand 3 states. [2020-10-26 04:14:43,813 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-10-26 04:14:43,813 INFO L93 Difference]: Finished difference Result 22 states and 23 transitions. [2020-10-26 04:14:43,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2020-10-26 04:14:43,815 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 22 states and 23 transitions. [2020-10-26 04:14:43,817 INFO L131 ngComponentsAnalysis]: Automaton has 2 accepting balls. 2 [2020-10-26 04:14:43,817 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 22 states to 22 states and 23 transitions. [2020-10-26 04:14:43,818 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 22 [2020-10-26 04:14:43,818 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 22 [2020-10-26 04:14:43,818 INFO L73 IsDeterministic]: Start isDeterministic. Operand 22 states and 23 transitions. [2020-10-26 04:14:43,819 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:14:43,819 INFO L691 BuchiCegarLoop]: Abstraction has 22 states and 23 transitions. [2020-10-26 04:14:43,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states and 23 transitions. [2020-10-26 04:14:43,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 21. [2020-10-26 04:14:43,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-10-26 04:14:43,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 22 transitions. [2020-10-26 04:14:43,822 INFO L714 BuchiCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-10-26 04:14:43,822 INFO L594 BuchiCegarLoop]: Abstraction has 21 states and 22 transitions. [2020-10-26 04:14:43,822 INFO L427 BuchiCegarLoop]: ======== Iteration 3============ [2020-10-26 04:14:43,823 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 21 states and 22 transitions. [2020-10-26 04:14:43,824 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:14:43,824 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:14:43,824 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:14:43,825 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:14:43,825 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:14:43,825 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 [2020-10-26 04:14:43,825 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 [2020-10-26 04:14:43,826 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:43,826 INFO L82 PathProgramCache]: Analyzing trace with hash 701899747, now seen corresponding path program 1 times [2020-10-26 04:14:43,826 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:14:43,827 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030670605] [2020-10-26 04:14:43,827 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:14:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:43,846 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:43,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:43,860 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:43,864 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:14:43,865 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:43,865 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 3 times [2020-10-26 04:14:43,865 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:14:43,866 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1518335403] [2020-10-26 04:14:43,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:14:43,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:43,871 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:43,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:43,875 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:43,876 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:14:43,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:43,877 INFO L82 PathProgramCache]: Analyzing trace with hash 284055750, now seen corresponding path program 1 times [2020-10-26 04:14:43,877 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:14:43,878 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [695075995] [2020-10-26 04:14:43,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:14:43,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:43,894 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:43,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:43,920 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:43,924 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:14:44,124 WARN L193 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 42 [2020-10-26 04:14:44,173 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:14:44,174 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:14:44,174 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:14:44,174 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:14:44,174 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:14:44,174 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:44,174 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:14:44,175 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:14:44,175 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2020-10-26 04:14:44,175 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:14:44,175 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:14:44,196 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:44,205 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:44,210 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:44,215 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:44,219 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:44,246 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:44,251 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:44,423 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:14:44,424 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 [2020-10-26 04:14:44,452 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:14:44,452 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:14:44,469 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:14:44,469 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 [2020-10-26 04:14:44,530 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:14:44,530 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:14:44,537 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:14:44,537 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~false_1=0} Honda state: {v_rep~unnamed0~0~false_1=0} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:44,590 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:14:44,590 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:14:44,599 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:14:44,599 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) [2020-10-26 04:14:44,646 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:14:44,646 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 [2020-10-26 04:14:44,652 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:14:44,653 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) [2020-10-26 04:14:44,695 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:14:44,696 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 6 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 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:14:44,750 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:14:44,751 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:44,813 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:14:44,817 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:14:44,817 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:14:44,817 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:14:44,817 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:14:44,817 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:14:44,817 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:44,818 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:14:44,818 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:14:44,819 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration3_Lasso [2020-10-26 04:14:44,819 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:14:44,819 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:14:44,825 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:44,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:44,838 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:44,844 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:44,887 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:44,896 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:44,905 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:45,038 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:14:45,044 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 [2020-10-26 04:14:45,059 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 [2020-10-26 04:14:45,062 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:14:45,063 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:14:45,063 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:14:45,063 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:14:45,072 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:14:45,072 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:14:45,083 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 [2020-10-26 04:14:45,130 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 [2020-10-26 04:14:45,132 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:14:45,132 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:14:45,133 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:14:45,133 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:14:45,133 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:14:45,134 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:14:45,135 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:14:45,137 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) Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:45,181 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 [2020-10-26 04:14:45,184 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:14:45,184 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:14:45,184 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:14:45,184 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:14:45,184 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:14:45,186 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:14:45,187 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:14:45,189 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) Waiting until toolchain timeout for monitored process 11 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:45,221 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 [2020-10-26 04:14:45,224 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:14:45,224 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:14:45,224 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:14:45,225 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:14:45,236 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:14:45,236 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:14:45,253 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:14:45,278 INFO L443 ModelExtractionUtils]: Simplification made 9 calls to the SMT solver. [2020-10-26 04:14:45,278 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) [2020-10-26 04:14:45,291 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 [2020-10-26 04:14:45,296 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-26 04:14:45,296 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:14:45,298 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] [2020-10-26 04:14:45,337 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-10-26 04:14:45,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:14:45,407 INFO L263 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-26 04:14:45,410 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:14:45,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:14:45,689 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:14:45,690 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:14:45,691 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:14:45,697 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 [2020-10-26 04:14:45,698 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 21 states and 22 transitions. cyclomatic complexity: 2 Second operand 10 states. [2020-10-26 04:14:46,021 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. [2020-10-26 04:14:46,022 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 [2020-10-26 04:14:46,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10 states. [2020-10-26 04:14:46,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10 states to 10 states and 23 transitions. [2020-10-26 04:14:46,026 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 12 letters. Loop has 1 letters. [2020-10-26 04:14:46,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:14:46,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 13 letters. Loop has 1 letters. [2020-10-26 04:14:46,027 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:14:46,027 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 10 states and 23 transitions. Stem has 12 letters. Loop has 2 letters. [2020-10-26 04:14:46,028 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:14:46,028 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 23 states and 24 transitions. [2020-10-26 04:14:46,030 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:14:46,030 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 23 states to 13 states and 13 transitions. [2020-10-26 04:14:46,031 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 13 [2020-10-26 04:14:46,031 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 13 [2020-10-26 04:14:46,031 INFO L73 IsDeterministic]: Start isDeterministic. Operand 13 states and 13 transitions. [2020-10-26 04:14:46,031 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:14:46,032 INFO L691 BuchiCegarLoop]: Abstraction has 13 states and 13 transitions. [2020-10-26 04:14:46,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13 states and 13 transitions. [2020-10-26 04:14:46,033 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13 to 13. [2020-10-26 04:14:46,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13 states. [2020-10-26 04:14:46,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 13 states and 13 transitions. [2020-10-26 04:14:46,034 INFO L714 BuchiCegarLoop]: Abstraction has 13 states and 13 transitions. [2020-10-26 04:14:46,034 INFO L594 BuchiCegarLoop]: Abstraction has 13 states and 13 transitions. [2020-10-26 04:14:46,034 INFO L427 BuchiCegarLoop]: ======== Iteration 4============ [2020-10-26 04:14:46,035 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states and 13 transitions. [2020-10-26 04:14:46,035 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-26 04:14:46,036 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-26 04:14:46,036 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-26 04:14:46,037 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-10-26 04:14:46,037 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-26 04:14:46,037 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 [2020-10-26 04:14:46,037 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 [2020-10-26 04:14:46,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:46,038 INFO L82 PathProgramCache]: Analyzing trace with hash -1002986271, now seen corresponding path program 1 times [2020-10-26 04:14:46,039 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:14:46,039 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [861989842] [2020-10-26 04:14:46,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:14:46,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:46,050 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:46,060 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:46,074 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:14:46,078 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:46,078 INFO L82 PathProgramCache]: Analyzing trace with hash 104, now seen corresponding path program 4 times [2020-10-26 04:14:46,079 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:14:46,079 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [418428065] [2020-10-26 04:14:46,079 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:14:46,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:46,091 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:46,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:46,096 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:46,098 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:14:46,102 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:46,102 INFO L82 PathProgramCache]: Analyzing trace with hash -1027803256, now seen corresponding path program 1 times [2020-10-26 04:14:46,102 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-26 04:14:46,103 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220687132] [2020-10-26 04:14:46,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-26 04:14:46,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:46,129 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:46,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-26 04:14:46,140 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-26 04:14:46,142 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-26 04:14:46,286 WARN L193 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 43 [2020-10-26 04:14:46,300 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:14:46,301 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:14:46,301 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:14:46,301 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:14:46,301 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-26 04:14:46,301 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:46,301 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:14:46,301 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:14:46,302 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2020-10-26 04:14:46,302 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:14:46,302 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:14:46,304 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:46,308 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:46,312 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:46,315 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:46,319 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:46,323 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:46,326 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:46,450 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:14:46,450 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) [2020-10-26 04:14:46,459 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:14:46,460 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 13 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:46,464 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:14:46,465 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) [2020-10-26 04:14:46,505 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:14:46,506 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 [2020-10-26 04:14:46,510 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:14:46,511 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) [2020-10-26 04:14:46,553 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:14:46,553 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 15 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:46,558 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:14:46,558 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) [2020-10-26 04:14:46,600 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:14:46,600 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 16 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:46,604 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:14:46,604 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) [2020-10-26 04:14:46,654 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:14:46,654 INFO L160 nArgumentSynthesizer]: Using integer mode. Waiting until toolchain timeout for monitored process 17 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:46,659 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:14:46,659 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) [2020-10-26 04:14:46,696 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:14:46,696 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 [2020-10-26 04:14:46,700 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-26 04:14:46,700 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 [2020-10-26 04:14:46,730 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-26 04:14:46,730 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 [2020-10-26 04:14:46,768 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-26 04:14:46,768 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-26 04:14:46,824 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-26 04:14:46,826 INFO L210 LassoAnalysis]: Preferences: [2020-10-26 04:14:46,826 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-26 04:14:46,827 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-26 04:14:46,827 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-26 04:14:46,827 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-26 04:14:46,827 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:46,827 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-26 04:14:46,827 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-26 04:14:46,827 INFO L133 ssoRankerPreferences]: Filename of dumped script: Toulouse-MultiBranchesToLoop-2.c_Iteration4_Lasso [2020-10-26 04:14:46,827 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-26 04:14:46,827 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-26 04:14:46,832 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:46,845 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:46,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:46,853 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:46,857 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:46,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:46,866 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-26 04:14:46,986 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-26 04:14:46,986 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) [2020-10-26 04:14:46,995 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 [2020-10-26 04:14:46,997 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:14:46,997 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:14:46,997 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:14:46,997 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:14:47,000 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:14:47,000 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:14:47,005 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 [2020-10-26 04:14:47,043 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 [2020-10-26 04:14:47,044 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:14:47,045 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:14:47,045 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:14:47,045 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:14:47,045 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:14:47,046 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:14:47,046 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:14:47,048 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) Waiting until toolchain timeout for monitored process 23 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:47,073 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 [2020-10-26 04:14:47,074 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:14:47,074 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:14:47,075 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:14:47,075 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:14:47,075 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:14:47,076 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:14:47,076 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:14:47,084 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) [2020-10-26 04:14:47,123 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 [2020-10-26 04:14:47,125 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:14:47,125 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:14:47,126 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:14:47,126 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:14:47,126 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:14:47,127 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:14:47,127 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 24 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:47,130 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-26 04:14:47,169 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 [2020-10-26 04:14:47,171 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:14:47,171 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-26 04:14:47,172 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:14:47,172 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:14:47,172 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. Waiting until toolchain timeout for monitored process 25 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:47,172 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-26 04:14:47,172 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-26 04:14:47,174 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) Waiting until toolchain timeout for monitored process 26 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:47,209 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 [2020-10-26 04:14:47,211 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:14:47,211 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:14:47,211 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:14:47,211 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:14:47,214 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:14:47,214 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:14:47,219 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 27 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-26 04:14:47,245 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 [2020-10-26 04:14:47,247 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-26 04:14:47,248 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-26 04:14:47,248 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-26 04:14:47,248 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-26 04:14:47,257 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-26 04:14:47,257 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-26 04:14:47,272 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-26 04:14:47,291 INFO L443 ModelExtractionUtils]: Simplification made 7 calls to the SMT solver. [2020-10-26 04:14:47,291 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) [2020-10-26 04:14:47,295 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 [2020-10-26 04:14:47,300 INFO L438 nArgumentSynthesizer]: Removed 1 redundant supporting invariants from a total of 2. [2020-10-26 04:14:47,300 INFO L510 LassoAnalysis]: Proved termination. [2020-10-26 04:14:47,300 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] [2020-10-26 04:14:47,328 INFO L297 tatePredicateManager]: 0 out of 1 supporting invariants were superfluous and have been removed [2020-10-26 04:14:47,362 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-26 04:14:47,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:14:47,376 INFO L263 TraceCheckSpWp]: Trace formula consists of 35 conjuncts, 11 conjunts are in the unsatisfiable core [2020-10-26 04:14:47,377 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:14:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-26 04:14:47,570 WARN L261 TraceCheckSpWp]: Trace formula consists of 9 conjuncts, 5 conjunts are in the unsatisfiable core [2020-10-26 04:14:47,571 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-26 04:14:47,571 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-26 04:14:47,572 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 [2020-10-26 04:14:47,572 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states and 13 transitions. cyclomatic complexity: 1 Second operand 9 states. [2020-10-26 04:14:47,806 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. [2020-10-26 04:14:47,807 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 [2020-10-26 04:14:47,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2020-10-26 04:14:47,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 13 transitions. [2020-10-26 04:14:47,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 13 transitions. Stem has 12 letters. Loop has 1 letters. [2020-10-26 04:14:47,808 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:14:47,808 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 13 transitions. Stem has 13 letters. Loop has 1 letters. [2020-10-26 04:14:47,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:14:47,809 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 9 states and 13 transitions. Stem has 12 letters. Loop has 2 letters. [2020-10-26 04:14:47,809 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-26 04:14:47,809 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 14 states and 14 transitions. [2020-10-26 04:14:47,810 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:14:47,810 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 14 states to 0 states and 0 transitions. [2020-10-26 04:14:47,810 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-26 04:14:47,810 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-26 04:14:47,810 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-26 04:14:47,811 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-26 04:14:47,811 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:14:47,811 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:14:47,811 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-26 04:14:47,814 INFO L427 BuchiCegarLoop]: ======== Iteration 5============ [2020-10-26 04:14:47,815 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-26 04:14:47,815 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-26 04:14:47,815 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-26 04:14:47,823 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 26.10 04:14:47 BoogieIcfgContainer [2020-10-26 04:14:47,823 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-26 04:14:47,823 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-26 04:14:47,824 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-26 04:14:47,824 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-26 04:14:47,824 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 04:14:42" (3/4) ... [2020-10-26 04:14:47,828 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-26 04:14:47,828 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-26 04:14:47,829 INFO L168 Benchmark]: Toolchain (without parser) took 5765.92 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 42.2 MB in the beginning and 53.7 MB in the end (delta: -11.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:14:47,830 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 44.0 MB. Free memory was 23.7 MB in the beginning and 23.7 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:14:47,831 INFO L168 Benchmark]: CACSL2BoogieTranslator took 268.19 ms. Allocated memory is still 58.7 MB. Free memory was 41.7 MB in the beginning and 36.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-10-26 04:14:47,831 INFO L168 Benchmark]: Boogie Procedure Inliner took 36.23 ms. Allocated memory is still 58.7 MB. Free memory was 36.6 MB in the beginning and 35.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-26 04:14:47,832 INFO L168 Benchmark]: Boogie Preprocessor took 39.09 ms. Allocated memory is still 58.7 MB. Free memory was 35.2 MB in the beginning and 34.3 MB in the end (delta: 880.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:14:47,833 INFO L168 Benchmark]: RCFGBuilder took 323.01 ms. Allocated memory is still 58.7 MB. Free memory was 34.2 MB in the beginning and 37.0 MB in the end (delta: -2.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-10-26 04:14:47,834 INFO L168 Benchmark]: BuchiAutomizer took 5082.46 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 37.0 MB in the beginning and 53.7 MB in the end (delta: -16.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. [2020-10-26 04:14:47,834 INFO L168 Benchmark]: Witness Printer took 4.41 ms. Allocated memory is still 86.0 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-10-26 04:14:47,839 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 44.0 MB. Free memory was 23.7 MB in the beginning and 23.7 MB in the end (delta: 69.9 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 268.19 ms. Allocated memory is still 58.7 MB. Free memory was 41.7 MB in the beginning and 36.6 MB in the end (delta: 5.1 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 36.23 ms. Allocated memory is still 58.7 MB. Free memory was 36.6 MB in the beginning and 35.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 39.09 ms. Allocated memory is still 58.7 MB. Free memory was 35.2 MB in the beginning and 34.3 MB in the end (delta: 880.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * RCFGBuilder took 323.01 ms. Allocated memory is still 58.7 MB. Free memory was 34.2 MB in the beginning and 37.0 MB in the end (delta: -2.8 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 5082.46 ms. Allocated memory was 58.7 MB in the beginning and 86.0 MB in the end (delta: 27.3 MB). Free memory was 37.0 MB in the beginning and 53.7 MB in the end (delta: -16.7 MB). Peak memory consumption was 10.8 MB. Max. memory is 16.1 GB. * Witness Printer took 4.41 ms. Allocated memory is still 86.0 MB. Free memory is still 53.7 MB. There was no memory consumed. Max. memory is 16.1 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 5.0s and 5 iterations. TraceHistogramMax:1. Analysis of lassos took 3.3s. Construction of modules took 0.3s. Büchi inclusion checks took 1.1s. 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, 0.3s 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: 32ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 10 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 2 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.3s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...