./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loop-lit/gsv2008.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 906a4fb5 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/loop-lit/gsv2008.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-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 32bit --witnessprinter.graph.data.programhash ad7102f2457c0f5542a3d448f84e7fa5158fff18 ........................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 19:13:25,982 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 19:13:25,986 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 19:13:26,029 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 19:13:26,030 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 19:13:26,041 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 19:13:26,044 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 19:13:26,048 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 19:13:26,051 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 19:13:26,056 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 19:13:26,057 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 19:13:26,059 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 19:13:26,060 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 19:13:26,064 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 19:13:26,066 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 19:13:26,068 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 19:13:26,070 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 19:13:26,071 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 19:13:26,074 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 19:13:26,081 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 19:13:26,084 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 19:13:26,085 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 19:13:26,088 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 19:13:26,089 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 19:13:26,101 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 19:13:26,101 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 19:13:26,102 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 19:13:26,104 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 19:13:26,104 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 19:13:26,106 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 19:13:26,106 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 19:13:26,107 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 19:13:26,108 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 19:13:26,109 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 19:13:26,110 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 19:13:26,111 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 19:13:26,112 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 19:13:26,112 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 19:13:26,112 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 19:13:26,113 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 19:13:26,115 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 19:13:26,116 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-10-19 19:13:26,162 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 19:13:26,162 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 19:13:26,164 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 19:13:26,164 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 19:13:26,165 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 19:13:26,165 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-10-19 19:13:26,165 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-10-19 19:13:26,165 INFO L138 SettingsManager]: * Use old map elimination=false [2020-10-19 19:13:26,166 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-10-19 19:13:26,166 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-10-19 19:13:26,167 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-10-19 19:13:26,168 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 19:13:26,168 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 19:13:26,168 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 19:13:26,169 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 19:13:26,169 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 19:13:26,169 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 19:13:26,169 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-10-19 19:13:26,170 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-10-19 19:13:26,170 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-10-19 19:13:26,170 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 19:13:26,170 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 19:13:26,171 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-10-19 19:13:26,171 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 19:13:26,171 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-10-19 19:13:26,172 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 19:13:26,172 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 19:13:26,172 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-10-19 19:13:26,172 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 19:13:26,173 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 19:13:26,173 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 19:13:26,173 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-10-19 19:13:26,175 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-10-19 19:13:26,176 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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ad7102f2457c0f5542a3d448f84e7fa5158fff18 [2020-10-19 19:13:26,499 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 19:13:26,511 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 19:13:26,515 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 19:13:26,516 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 19:13:26,517 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 19:13:26,518 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loop-lit/gsv2008.i [2020-10-19 19:13:26,572 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f18c8110/43eafc3ccb7b4e92bc27a0c3f8c69b5e/FLAGba7e989bf [2020-10-19 19:13:27,041 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 19:13:27,042 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loop-lit/gsv2008.i [2020-10-19 19:13:27,051 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f18c8110/43eafc3ccb7b4e92bc27a0c3f8c69b5e/FLAGba7e989bf [2020-10-19 19:13:27,410 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7f18c8110/43eafc3ccb7b4e92bc27a0c3f8c69b5e [2020-10-19 19:13:27,414 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 19:13:27,421 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 19:13:27,422 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 19:13:27,423 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 19:13:27,426 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 19:13:27,428 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:13:27" (1/1) ... [2020-10-19 19:13:27,431 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a618061 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:27, skipping insertion in model container [2020-10-19 19:13:27,431 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 07:13:27" (1/1) ... [2020-10-19 19:13:27,439 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 19:13:27,460 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 19:13:27,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:13:27,679 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 19:13:27,704 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 19:13:27,737 INFO L208 MainTranslator]: Completed translation [2020-10-19 19:13:27,738 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:27 WrapperNode [2020-10-19 19:13:27,741 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 19:13:27,742 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 19:13:27,742 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 19:13:27,742 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 19:13:27,809 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:27" (1/1) ... [2020-10-19 19:13:27,820 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:27" (1/1) ... [2020-10-19 19:13:27,844 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 19:13:27,845 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 19:13:27,845 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 19:13:27,845 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 19:13:27,856 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:27" (1/1) ... [2020-10-19 19:13:27,856 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:27" (1/1) ... [2020-10-19 19:13:27,869 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:27" (1/1) ... [2020-10-19 19:13:27,870 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:27" (1/1) ... [2020-10-19 19:13:27,874 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:27" (1/1) ... [2020-10-19 19:13:27,879 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:27" (1/1) ... [2020-10-19 19:13:27,881 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:27" (1/1) ... [2020-10-19 19:13:27,883 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 19:13:27,884 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 19:13:27,884 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 19:13:27,884 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 19:13:27,885 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:27" (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 [2020-10-19 19:13:27,957 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 19:13:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 19:13:27,958 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 19:13:27,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 19:13:28,156 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 19:13:28,157 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 19:13:28,159 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:13:28 BoogieIcfgContainer [2020-10-19 19:13:28,159 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 19:13:28,160 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-10-19 19:13:28,160 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-10-19 19:13:28,164 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-10-19 19:13:28,166 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:13:28,166 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 19.10 07:13:27" (1/3) ... [2020-10-19 19:13:28,167 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5da56a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:13:28, skipping insertion in model container [2020-10-19 19:13:28,168 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:13:28,168 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 07:13:27" (2/3) ... [2020-10-19 19:13:28,168 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@5da56a4e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 19.10 07:13:28, skipping insertion in model container [2020-10-19 19:13:28,169 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-10-19 19:13:28,169 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:13:28" (3/3) ... [2020-10-19 19:13:28,171 INFO L373 chiAutomizerObserver]: Analyzing ICFG gsv2008.i [2020-10-19 19:13:28,255 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-10-19 19:13:28,256 INFO L360 BuchiCegarLoop]: Hoare is false [2020-10-19 19:13:28,256 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-10-19 19:13:28,256 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 19:13:28,256 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 19:13:28,256 INFO L364 BuchiCegarLoop]: Difference is false [2020-10-19 19:13:28,257 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 19:13:28,257 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-10-19 19:13:28,280 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-19 19:13:28,306 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-19 19:13:28,306 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:13:28,307 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:13:28,314 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-19 19:13:28,314 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 19:13:28,314 INFO L427 BuchiCegarLoop]: ======== Iteration 1============ [2020-10-19 19:13:28,315 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2020-10-19 19:13:28,316 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 1 [2020-10-19 19:13:28,317 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-10-19 19:13:28,317 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-10-19 19:13:28,317 INFO L852 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-10-19 19:13:28,317 INFO L853 BuchiCegarLoop]: Counterexample loop histogram [1] [2020-10-19 19:13:28,323 INFO L794 eck$LassoCheckResult]: Stem: 11#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];assume 0 < #StackHeapBarrier;call #t~string0.base, #t~string0.offset := #Ultimate.allocOnStack(2);call write~init~int(48, #t~string0.base, #t~string0.offset, 1);call write~init~int(0, #t~string0.base, 1 + #t~string0.offset, 1);call #t~string1.base, #t~string1.offset := #Ultimate.allocOnStack(9); 9#L-1true havoc main_#res;havoc main_#t~nondet3, main_#t~post4, main_~x~0, main_~y~0;havoc main_~x~0;havoc main_~y~0;main_~x~0 := -50;main_~y~0 := main_#t~nondet3;havoc main_#t~nondet3; 6#L28true assume !!(-1000 < main_~y~0 && main_~y~0 < 1000000); 5#L29-2true [2020-10-19 19:13:28,324 INFO L796 eck$LassoCheckResult]: Loop: 5#L29-2true assume !!(main_~x~0 < 0);main_~x~0 := main_~x~0 + main_~y~0;main_#t~post4 := main_~y~0;main_~y~0 := 1 + main_#t~post4;havoc main_#t~post4; 5#L29-2true [2020-10-19 19:13:28,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:13:28,329 INFO L82 PathProgramCache]: Analyzing trace with hash 29860, now seen corresponding path program 1 times [2020-10-19 19:13:28,337 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:13:28,337 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545143868] [2020-10-19 19:13:28,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:13:28,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:13:28,438 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:13:28,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:13:28,454 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:13:28,476 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:13:28,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:13:28,478 INFO L82 PathProgramCache]: Analyzing trace with hash 47, now seen corresponding path program 1 times [2020-10-19 19:13:28,478 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:13:28,479 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [175115815] [2020-10-19 19:13:28,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:13:28,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:13:28,485 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:13:28,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:13:28,489 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:13:28,491 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:13:28,493 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:13:28,493 INFO L82 PathProgramCache]: Analyzing trace with hash 925676, now seen corresponding path program 1 times [2020-10-19 19:13:28,493 INFO L162 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-10-19 19:13:28,494 INFO L353 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1425537631] [2020-10-19 19:13:28,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-10-19 19:13:28,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:13:28,511 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:13:28,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-10-19 19:13:28,525 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-10-19 19:13:28,530 INFO L173 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-10-19 19:13:28,591 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:13:28,592 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:13:28,592 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:13:28,592 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:13:28,593 INFO L129 ssoRankerPreferences]: Use exernal solver: true [2020-10-19 19:13:28,593 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:28,593 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:13:28,593 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:13:28,593 INFO L133 ssoRankerPreferences]: Filename of dumped script: gsv2008.i_Iteration1_Loop [2020-10-19 19:13:28,593 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:13:28,594 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:13:28,613 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:28,639 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:28,691 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:13:28,692 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 [2020-10-19 19:13:28,699 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2020-10-19 19:13:28,700 INFO L160 nArgumentSynthesizer]: Using integer mode. 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 [2020-10-19 19:13:28,748 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2020-10-19 19:13:28,749 INFO L160 nArgumentSynthesizer]: Using integer mode. [2020-10-19 19:13:28,846 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2020-10-19 19:13:28,849 INFO L210 LassoAnalysis]: Preferences: [2020-10-19 19:13:28,849 INFO L126 ssoRankerPreferences]: Compute integeral hull: false [2020-10-19 19:13:28,849 INFO L127 ssoRankerPreferences]: Enable LassoPartitioneer: true [2020-10-19 19:13:28,849 INFO L128 ssoRankerPreferences]: Term annotations enabled: false [2020-10-19 19:13:28,849 INFO L129 ssoRankerPreferences]: Use exernal solver: false [2020-10-19 19:13:28,849 INFO L130 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:28,850 INFO L131 ssoRankerPreferences]: Dump SMT script to file: false [2020-10-19 19:13:28,850 INFO L132 ssoRankerPreferences]: Path of dumped script: [2020-10-19 19:13:28,850 INFO L133 ssoRankerPreferences]: Filename of dumped script: gsv2008.i_Iteration1_Loop [2020-10-19 19:13:28,850 INFO L134 ssoRankerPreferences]: MapElimAlgo: Frank [2020-10-19 19:13:28,850 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2020-10-19 19:13:28,852 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:28,865 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2020-10-19 19:13:28,901 INFO L292 LassoAnalysis]: Preprocessing complete. [2020-10-19 19:13:28,907 INFO L489 LassoAnalysis]: Using template 'affine'. 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 [2020-10-19 19:13:28,914 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 [2020-10-19 19:13:28,917 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:28,917 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:13:28,918 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:28,918 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:28,918 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:28,922 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:13:28,923 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:13:28,928 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 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) [2020-10-19 19:13:28,977 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 [2020-10-19 19:13:28,980 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:28,980 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:13:28,980 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:28,980 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:28,981 INFO L205 nArgumentSynthesizer]: 2 template conjuncts. [2020-10-19 19:13:28,982 INFO L401 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2020-10-19 19:13:28,982 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. Waiting until toolchain timeout for monitored process 5 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2020-10-19 19:13:28,987 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2020-10-19 19:13:29,017 INFO L489 LassoAnalysis]: Using template '2-nested'. 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 [2020-10-19 19:13:29,020 INFO L120 nArgumentSynthesizer]: Termination Analysis Settings: Termination analysis: LINEAR_WITH_GUESSES Number of strict supporting invariants: 0 Number of non-strict supporting invariants: 1 Consider only non-deceasing supporting invariants: true Simplify termination arguments: true Simplify supporting invariants: trueOverapproximate stem: false [2020-10-19 19:13:29,022 INFO L338 nArgumentSynthesizer]: Template has degree 0. [2020-10-19 19:13:29,022 INFO L351 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2020-10-19 19:13:29,023 INFO L203 nArgumentSynthesizer]: 1 stem disjuncts [2020-10-19 19:13:29,023 INFO L204 nArgumentSynthesizer]: 1 loop disjuncts [2020-10-19 19:13:29,023 INFO L205 nArgumentSynthesizer]: 3 template conjuncts. [2020-10-19 19:13:29,027 INFO L401 nArgumentSynthesizer]: We have 3 Motzkin's Theorem applications. [2020-10-19 19:13:29,027 INFO L402 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2020-10-19 19:13:29,032 INFO L420 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2020-10-19 19:13:29,048 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2020-10-19 19:13:29,048 INFO L444 ModelExtractionUtils]: 3 out of 7 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 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 [2020-10-19 19:13:29,053 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2020-10-19 19:13:29,053 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2020-10-19 19:13:29,053 INFO L510 LassoAnalysis]: Proved termination. [2020-10-19 19:13:29,054 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function 2-nested ranking function: f0 = -2*ULTIMATE.start_main_~y~0 + 1 f1 = -2*ULTIMATE.start_main_~x~0 Supporting invariants [] [2020-10-19 19:13:29,080 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2020-10-19 19:13:29,118 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-10-19 19:13:29,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:13:29,139 INFO L263 TraceCheckSpWp]: Trace formula consists of 31 conjuncts, 2 conjunts are in the unsatisfiable core [2020-10-19 19:13:29,141 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:13:29,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-10-19 19:13:29,157 WARN L261 TraceCheckSpWp]: Trace formula consists of 8 conjuncts, 6 conjunts are in the unsatisfiable core [2020-10-19 19:13:29,158 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2020-10-19 19:13:29,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-10-19 19:13:29,177 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 [2020-10-19 19:13:29,179 INFO L71 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 2 states. [2020-10-19 19:13:29,247 INFO L75 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 2 states. Result 33 states and 40 transitions. Complement of second has 5 states. [2020-10-19 19:13:29,250 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 [2020-10-19 19:13:29,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2 states. [2020-10-19 19:13:29,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 28 transitions. [2020-10-19 19:13:29,258 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 3 letters. Loop has 1 letters. [2020-10-19 19:13:29,260 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:13:29,261 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 4 letters. Loop has 1 letters. [2020-10-19 19:13:29,262 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:13:29,262 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 28 transitions. Stem has 3 letters. Loop has 2 letters. [2020-10-19 19:13:29,263 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2020-10-19 19:13:29,264 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 33 states and 40 transitions. [2020-10-19 19:13:29,274 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:13:29,277 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 33 states to 0 states and 0 transitions. [2020-10-19 19:13:29,279 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2020-10-19 19:13:29,279 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2020-10-19 19:13:29,280 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2020-10-19 19:13:29,280 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2020-10-19 19:13:29,281 INFO L691 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:13:29,281 INFO L714 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:13:29,281 INFO L594 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2020-10-19 19:13:29,281 INFO L427 BuchiCegarLoop]: ======== Iteration 2============ [2020-10-19 19:13:29,282 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2020-10-19 19:13:29,282 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-10-19 19:13:29,282 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-10-19 19:13:29,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 19.10 07:13:29 BoogieIcfgContainer [2020-10-19 19:13:29,292 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-10-19 19:13:29,293 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 19:13:29,293 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 19:13:29,293 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 19:13:29,295 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 07:13:28" (3/4) ... [2020-10-19 19:13:29,300 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-10-19 19:13:29,300 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 19:13:29,305 INFO L168 Benchmark]: Toolchain (without parser) took 1886.39 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 960.0 MB in the beginning and 1.0 GB in the end (delta: -54.5 MB). Peak memory consumption was 77.6 MB. Max. memory is 11.5 GB. [2020-10-19 19:13:29,306 INFO L168 Benchmark]: CDTParser took 0.28 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:13:29,307 INFO L168 Benchmark]: CACSL2BoogieTranslator took 319.17 ms. Allocated memory is still 1.0 GB. Free memory was 960.0 MB in the beginning and 949.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-10-19 19:13:29,308 INFO L168 Benchmark]: Boogie Procedure Inliner took 102.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-10-19 19:13:29,311 INFO L168 Benchmark]: Boogie Preprocessor took 38.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-10-19 19:13:29,312 INFO L168 Benchmark]: RCFGBuilder took 275.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. [2020-10-19 19:13:29,314 INFO L168 Benchmark]: BuchiAutomizer took 1131.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.7 MB). Peak memory consumption was 86.7 MB. Max. memory is 11.5 GB. [2020-10-19 19:13:29,315 INFO L168 Benchmark]: Witness Printer took 7.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 19:13:29,339 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 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 319.17 ms. Allocated memory is still 1.0 GB. Free memory was 960.0 MB in the beginning and 949.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 102.96 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 132.1 MB). Free memory was 949.2 MB in the beginning and 1.1 GB in the end (delta: -179.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.40 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 275.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 20.3 MB). Peak memory consumption was 20.3 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1131.89 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 86.7 MB). Peak memory consumption was 86.7 MB. Max. memory is 11.5 GB. * Witness Printer took 7.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has 2-nested ranking function (if -2 * y + 1 > 0 then 1 else 0), (if -2 * y + 1 > 0 then -2 * y + 1 else -2 * x) and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.0s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.7s. Construction of modules took 0.0s. Büchi inclusion checks took 0.1s. 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: 12 SDtfs, 13 SDslu, 6 SDs, 0 SdLazy, 5 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 ax100 hnf100 lsp100 ukn100 mio100 lsp100 div100 bol100 ite100 ukn100 eq179 hnf92 smp100 dnf100 smp100 tf108 neg100 sie107 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 35ms VariablesStem: 0 VariablesLoop: 4 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 3 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 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...