./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/termination-restricted-15/java_Break.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/termination-restricted-15/java_Break.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 1280b40cccca667b0f3596f6bf2da8a1a2cf47fc .............................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:36:42,604 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:36:42,607 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:36:42,630 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:36:42,631 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:36:42,632 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:36:42,633 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:36:42,635 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:36:42,637 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:36:42,638 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:36:42,639 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:36:42,640 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:36:42,641 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:36:42,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:36:42,643 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:36:42,644 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:36:42,645 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:36:42,646 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:36:42,648 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:36:42,650 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:36:42,651 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:36:42,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:36:42,654 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:36:42,655 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:36:42,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:36:42,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:36:42,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:36:42,659 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:36:42,659 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:36:42,660 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:36:42,661 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:36:42,662 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:36:42,664 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:36:42,667 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:36:42,668 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:36:42,668 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:36:42,670 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:36:42,670 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:36:42,670 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:36:42,671 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:36:42,672 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:36:42,674 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-64bit-Automizer_Default.epf [2020-10-20 06:36:42,733 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:36:42,736 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:36:42,737 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:36:42,738 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:36:42,738 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:36:42,738 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-20 06:36:42,739 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-20 06:36:42,739 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-20 06:36:42,740 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-20 06:36:42,740 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-20 06:36:42,741 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-20 06:36:42,741 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:36:42,742 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:36:42,742 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:36:42,742 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:36:42,743 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-20 06:36:42,744 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-20 06:36:42,744 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-20 06:36:42,744 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:36:42,744 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-20 06:36:42,744 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:36:42,745 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-20 06:36:42,745 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:36:42,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:36:42,746 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-20 06:36:42,746 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:36:42,746 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:36:42,747 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:36:42,747 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-20 06:36:42,748 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-20 06:36:42,749 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1280b40cccca667b0f3596f6bf2da8a1a2cf47fc [2020-10-20 06:36:42,965 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:36:42,978 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:36:42,981 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:36:42,983 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:36:42,984 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:36:42,985 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-restricted-15/java_Break.c [2020-10-20 06:36:43,055 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c66d882d/aa270ebbf76e41b3b048d7ccd8300dbf/FLAG0c5675c18 [2020-10-20 06:36:43,500 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:36:43,501 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-restricted-15/java_Break.c [2020-10-20 06:36:43,507 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c66d882d/aa270ebbf76e41b3b048d7ccd8300dbf/FLAG0c5675c18 [2020-10-20 06:36:43,894 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/3c66d882d/aa270ebbf76e41b3b048d7ccd8300dbf [2020-10-20 06:36:43,897 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:36:43,904 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:36:43,905 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:36:43,905 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:36:43,909 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:36:43,910 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:36:43" (1/1) ... [2020-10-20 06:36:43,913 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b77f7b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:43, skipping insertion in model container [2020-10-20 06:36:43,913 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:36:43" (1/1) ... [2020-10-20 06:36:43,921 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:36:43,938 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:36:44,171 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:36:44,176 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:36:44,191 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:36:44,202 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:36:44,202 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:44 WrapperNode [2020-10-20 06:36:44,202 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:36:44,203 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:36:44,203 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:36:44,203 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:36:44,211 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:44" (1/1) ... [2020-10-20 06:36:44,216 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:44" (1/1) ... [2020-10-20 06:36:44,234 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:36:44,234 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:36:44,234 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:36:44,234 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:36:44,244 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:44" (1/1) ... [2020-10-20 06:36:44,244 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:44" (1/1) ... [2020-10-20 06:36:44,245 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:44" (1/1) ... [2020-10-20 06:36:44,245 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:44" (1/1) ... [2020-10-20 06:36:44,246 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:44" (1/1) ... [2020-10-20 06:36:44,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:44" (1/1) ... [2020-10-20 06:36:44,252 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:44" (1/1) ... [2020-10-20 06:36:44,253 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:36:44,253 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:36:44,253 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:36:44,254 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:36:44,255 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:44" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:44,325 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:36:44,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:36:44,465 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:36:44,466 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:36:44,467 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:36:44 BoogieIcfgContainer [2020-10-20 06:36:44,467 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:36:44,468 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-20 06:36:44,468 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-20 06:36:44,472 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-20 06:36:44,473 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:36:44,473 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 20.10 06:36:43" (1/3) ... [2020-10-20 06:36:44,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fa76e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:36:44, skipping insertion in model container [2020-10-20 06:36:44,474 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:36:44,474 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:36:44" (2/3) ... [2020-10-20 06:36:44,474 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@1fa76e25 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 20.10 06:36:44, skipping insertion in model container [2020-10-20 06:36:44,475 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-20 06:36:44,475 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:36:44" (3/3) ... [2020-10-20 06:36:44,476 INFO L373 chiAutomizerObserver]: Analyzing ICFG java_Break.c [2020-10-20 06:36:44,523 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-20 06:36:44,523 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-20 06:36:44,523 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-20 06:36:44,531 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:36:44,531 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:36:44,532 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-20 06:36:44,532 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:36:44,532 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-20 06:36:44,545 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-10-20 06:36:44,564 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:36:44,564 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:36:44,564 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:36:44,570 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:36:44,570 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:36:44,570 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-20 06:36:44,570 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 6 states. [2020-10-20 06:36:44,571 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-20 06:36:44,571 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-20 06:36:44,571 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-20 06:36:44,571 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-10-20 06:36:44,572 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-20 06:36:44,578 INFO L794 eck$LassoCheckResult]: Stem: 3#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_~i~0, main_~c~0;havoc main_~i~0;havoc main_~c~0;main_~i~0 := 0;main_~c~0 := 0; 6#L10-2true [2020-10-20 06:36:44,578 INFO L796 eck$LassoCheckResult]: Loop: 6#L10-2true assume !!(main_~i~0 <= 10);main_~i~0 := 1 + main_~i~0;main_~c~0 := 1 + main_~c~0; 6#L10-2true [2020-10-20 06:36:44,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:44,583 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-10-20 06:36:44,590 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:44,591 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046898640] [2020-10-20 06:36:44,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:44,666 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:44,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:44,669 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:44,683 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:44,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:44,684 INFO L82 PathProgramCache]: Analyzing trace with hash 41, now seen corresponding path program 1 times [2020-10-20 06:36:44,684 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:44,685 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1346177594] [2020-10-20 06:36:44,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:44,696 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:44,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:44,700 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:44,702 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:44,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:44,704 INFO L82 PathProgramCache]: Analyzing trace with hash 1002, now seen corresponding path program 1 times [2020-10-20 06:36:44,704 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-20 06:36:44,704 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1147333946] [2020-10-20 06:36:44,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-20 06:36:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:44,713 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:44,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-20 06:36:44,718 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-20 06:36:44,720 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-20 06:36:44,791 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:36:44,792 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:36:44,792 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:36:44,793 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:36:44,793 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-20 06:36:44,793 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:44,793 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:36:44,793 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:36:44,794 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Break.c_Iteration1_Loop [2020-10-20 06:36:44,794 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:36:44,794 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:36:44,830 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:44,848 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:44,855 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:44,862 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:44,976 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:36:44,977 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:44,984 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:36:44,985 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:36:44,997 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:36:44,999 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 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:45,034 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:36:45,035 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:36:45,040 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:36:45,041 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {v_rep~unnamed0~0~true_1=1} Honda state: {v_rep~unnamed0~0~true_1=1} Generalized eigenvectors: [] Lambdas: [] Nus: [] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 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 [2020-10-20 06:36:45,075 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:36:45,076 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:45,121 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:36:45,121 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:36:45,143 INFO L437 LassoAnalysis]: Proved nontermination for one component. [2020-10-20 06:36:45,144 INFO L440 LassoAnalysis]: Non-Termination argument consisting of: Initial state: {ULTIMATE.start_main_~c~0=0} Honda state: {ULTIMATE.start_main_~c~0=0} Generalized eigenvectors: [{ULTIMATE.start_main_~c~0=3}, {ULTIMATE.start_main_~c~0=3}, {ULTIMATE.start_main_~c~0=-5}] Lambdas: [0, 1, 1] Nus: [1, 0] No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:45,168 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-20 06:36:45,168 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:45,196 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-20 06:36:45,196 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-20 06:36:45,228 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-20 06:36:45,230 INFO L210 LassoAnalysis]: Preferences: [2020-10-20 06:36:45,230 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-20 06:36:45,231 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-20 06:36:45,231 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-20 06:36:45,231 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-20 06:36:45,231 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:45,232 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-20 06:36:45,232 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-20 06:36:45,234 INFO L133 ssoRankerPreferences]: Filename of dumped script: java_Break.c_Iteration1_Loop [2020-10-20 06:36:45,234 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-20 06:36:45,235 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-20 06:36:45,237 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:45,254 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:45,262 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:45,269 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-20 06:36:45,363 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-20 06:36:45,369 INFO L489 LassoAnalysis]: Using template 'affine'. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:45,377 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:45,380 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:45,380 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:45,381 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:45,381 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:45,387 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:36:45,387 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2020-10-20 06:36:45,394 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) [2020-10-20 06:36:45,438 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:45,440 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:45,440 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:45,440 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:45,441 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:45,444 INFO L401 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2020-10-20 06:36:45,445 INFO L402 nArgumentSynthesizer]: A total of 2 supporting invariants were added. Waiting until toolchain timeout for monitored process 9 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:45,451 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-20 06:36:45,503 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:45,505 INFO L338 nArgumentSynthesizer]: Template has degree 0. Waiting until toolchain timeout for monitored process 10 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:45,505 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:45,506 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:45,506 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:45,507 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:45,508 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:45,508 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:45,513 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 [2020-10-20 06:36:45,541 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-20 06:36:45,543 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-20 06:36:45,543 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-20 06:36:45,543 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-20 06:36:45,544 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-20 06:36:45,544 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-20 06:36:45,545 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-20 06:36:45,545 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-20 06:36:45,549 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-20 06:36:45,554 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-20 06:36:45,554 INFO L444 ModelExtractionUtils]: 0 out of 3 variables were initially zero. Simplification set additionally 0 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) Waiting until toolchain timeout for monitored process 12 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-20 06:36:45,563 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-20 06:36:45,564 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-20 06:36:45,564 INFO L510 LassoAnalysis]: Proved termination. [2020-10-20 06:36:45,565 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~i~0) = -2*ULTIMATE.start_main_~i~0 + 21 Supporting invariants [] [2020-10-20 06:36:45,590 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-20 06:36:45,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-20 06:36:45,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:36:45,629 INFO L263 TraceCheckSpWp]: Trace formula consists of 6 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-20 06:36:45,631 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:36:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-20 06:36:45,643 WARN L261 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2020-10-20 06:36:45,643 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-20 06:36:45,644 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-20 06:36:45,659 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 1 loop predicates [2020-10-20 06:36:45,661 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 6 states. Second operand 2 states. [2020-10-20 06:36:45,705 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 6 states.. Second operand 2 states. Result 15 states and 18 transitions. Complement of second has 5 states. [2020-10-20 06:36:45,705 INFO L141 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2020-10-20 06:36:45,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-20 06:36:45,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 10 transitions. [2020-10-20 06:36:45,710 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 1 letters. [2020-10-20 06:36:45,710 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:36:45,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 2 letters. Loop has 1 letters. [2020-10-20 06:36:45,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:36:45,711 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 10 transitions. Stem has 1 letters. Loop has 2 letters. [2020-10-20 06:36:45,711 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-20 06:36:45,712 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 15 states and 18 transitions. [2020-10-20 06:36:45,715 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:36:45,718 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 15 states to 0 states and 0 transitions. [2020-10-20 06:36:45,719 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-20 06:36:45,720 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-20 06:36:45,720 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-20 06:36:45,721 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-20 06:36:45,721 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:36:45,721 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:36:45,721 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-20 06:36:45,721 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-20 06:36:45,721 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-20 06:36:45,721 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-20 06:36:45,722 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-20 06:36:45,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 20.10 06:36:45 BoogieIcfgContainer [2020-10-20 06:36:45,729 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-20 06:36:45,729 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:36:45,729 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:36:45,730 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:36:45,730 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:36:44" (3/4) ... [2020-10-20 06:36:45,734 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-20 06:36:45,735 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:36:45,738 INFO L168 Benchmark]: Toolchain (without parser) took 1837.84 ms. Allocated memory was 36.2 MB in the beginning and 50.9 MB in the end (delta: 14.7 MB). Free memory was 10.6 MB in the beginning and 13.3 MB in the end (delta: -2.7 MB). Peak memory consumption was 12.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:45,739 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 36.2 MB. Free memory is still 15.0 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:36:45,740 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.69 ms. Allocated memory was 36.2 MB in the beginning and 45.1 MB in the end (delta: 8.9 MB). Free memory was 9.8 MB in the beginning and 29.7 MB in the end (delta: -19.9 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:45,741 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.50 ms. Allocated memory is still 45.1 MB. Free memory was 29.7 MB in the beginning and 28.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:45,742 INFO L168 Benchmark]: Boogie Preprocessor took 18.89 ms. Allocated memory is still 45.1 MB. Free memory was 28.2 MB in the beginning and 27.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:45,743 INFO L168 Benchmark]: RCFGBuilder took 214.22 ms. Allocated memory is still 45.1 MB. Free memory was 27.0 MB in the beginning and 18.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:45,744 INFO L168 Benchmark]: BuchiAutomizer took 1260.75 ms. Allocated memory was 45.1 MB in the beginning and 50.9 MB in the end (delta: 5.8 MB). Free memory was 18.7 MB in the beginning and 13.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:36:45,745 INFO L168 Benchmark]: Witness Printer took 5.83 ms. Allocated memory is still 50.9 MB. Free memory was 13.7 MB in the beginning and 13.3 MB in the end (delta: 410.4 kB). Peak memory consumption was 410.4 kB. Max. memory is 14.3 GB. [2020-10-20 06:36:45,749 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28 ms. Allocated memory is still 36.2 MB. Free memory is still 15.0 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 297.69 ms. Allocated memory was 36.2 MB in the beginning and 45.1 MB in the end (delta: 8.9 MB). Free memory was 9.8 MB in the beginning and 29.7 MB in the end (delta: -19.9 MB). Peak memory consumption was 8.0 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 30.50 ms. Allocated memory is still 45.1 MB. Free memory was 29.7 MB in the beginning and 28.2 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 18.89 ms. Allocated memory is still 45.1 MB. Free memory was 28.2 MB in the beginning and 27.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 214.22 ms. Allocated memory is still 45.1 MB. Free memory was 27.0 MB in the beginning and 18.9 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 14.3 GB. * BuchiAutomizer took 1260.75 ms. Allocated memory was 45.1 MB in the beginning and 50.9 MB in the end (delta: 5.8 MB). Free memory was 18.7 MB in the beginning and 13.7 MB in the end (delta: 5.0 MB). Peak memory consumption was 10.8 MB. Max. memory is 14.3 GB. * Witness Printer took 5.83 ms. Allocated memory is still 50.9 MB. Free memory was 13.7 MB in the beginning and 13.3 MB in the end (delta: 410.4 kB). Peak memory consumption was 410.4 kB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function -2 * i + 21 and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.2s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 3. Minimization of det autom 1. Minimization of nondet autom 0. Automata minimization No data available. Non-live state removal took 0.0s Buchi closure took 0.0s. Biggest automaton had 0 states and ocurred in iteration 1. Nontrivial modules had stage [1, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: 4 SDtfs, 4 SDslu, 3 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT1 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: Lassos: inital15 mio100 ax179 hnf100 lsp37 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq160 hnf93 smp100 dnf100 smp100 tf113 neg100 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 23ms VariablesStem: 1 VariablesLoop: 0 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 6 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 2 LassoNonterminationAnalysisSatUnbounded: 1 LassoNonterminationAnalysisUnsat: 1 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.1s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...