./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loop-new/gauss_sum.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loop-new/gauss_sum.i -s /tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/bin/uautomizer --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 a235c453e8d82f15e0f227470cffc0947c40dcd4 ........................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:54:11,647 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:54:11,648 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:54:11,660 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:54:11,661 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:54:11,661 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:54:11,663 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:54:11,664 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:54:11,667 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:54:11,668 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:54:11,668 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:54:11,669 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:54:11,669 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:54:11,670 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:54:11,671 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:54:11,672 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:54:11,672 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:54:11,679 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:54:11,681 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:54:11,682 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:54:11,683 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:54:11,684 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:54:11,685 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:54:11,688 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:54:11,690 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:54:11,690 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:54:11,690 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:54:11,691 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:54:11,693 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:54:11,698 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:54:11,698 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:54:11,699 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:54:11,699 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:54:11,700 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:54:11,701 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:54:11,701 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:54:11,702 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:54:11,702 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:54:11,703 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:54:11,703 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:54:11,704 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:54:11,704 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:54:11,727 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:54:11,727 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:54:11,728 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:54:11,729 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:54:11,729 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:54:11,729 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:54:11,729 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:54:11,729 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:54:11,729 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:54:11,730 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:54:11,730 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:54:11,730 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:54:11,730 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:54:11,730 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:54:11,730 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:54:11,731 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:54:11,731 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:54:11,731 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:54:11,731 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:54:11,731 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:54:11,731 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:54:11,732 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:54:11,732 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:54:11,732 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:54:11,732 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:54:11,732 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:54:11,733 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:54:11,733 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:54:11,733 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:54:11,733 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:54:11,733 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:54:11,734 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:54:11,734 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/bin/uautomizer 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 -> a235c453e8d82f15e0f227470cffc0947c40dcd4 [2019-10-22 08:54:11,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:54:11,768 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:54:11,772 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:54:11,773 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:54:11,774 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:54:11,774 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/bin/uautomizer/../../sv-benchmarks/c/loop-new/gauss_sum.i [2019-10-22 08:54:11,822 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/bin/uautomizer/data/3f4d65b1f/f1ae7c3b54d34eab979d263ddfa9c093/FLAG8a4b9f6af [2019-10-22 08:54:12,200 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:54:12,201 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/sv-benchmarks/c/loop-new/gauss_sum.i [2019-10-22 08:54:12,205 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/bin/uautomizer/data/3f4d65b1f/f1ae7c3b54d34eab979d263ddfa9c093/FLAG8a4b9f6af [2019-10-22 08:54:12,217 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/bin/uautomizer/data/3f4d65b1f/f1ae7c3b54d34eab979d263ddfa9c093 [2019-10-22 08:54:12,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:54:12,221 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:54:12,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:12,222 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:54:12,225 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:54:12,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,232 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3cd3bf3c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12, skipping insertion in model container [2019-10-22 08:54:12,232 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,238 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:54:12,250 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:54:12,373 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:12,376 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:54:12,451 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:54:12,464 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:54:12,465 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12 WrapperNode [2019-10-22 08:54:12,465 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:54:12,466 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:12,466 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:54:12,466 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:54:12,474 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,478 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,496 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:54:12,496 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:54:12,496 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:54:12,496 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:54:12,505 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,505 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,505 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,506 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,507 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,511 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,512 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... [2019-10-22 08:54:12,513 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:54:12,513 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:54:12,513 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:54:12,514 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:54:12,514 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/bin/uautomizer/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 [2019-10-22 08:54:12,577 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:54:12,578 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:54:12,720 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:54:12,721 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:54:12,722 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:12 BoogieIcfgContainer [2019-10-22 08:54:12,722 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:54:12,722 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:54:12,722 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:54:12,727 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:54:12,728 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:12,728 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:54:12" (1/3) ... [2019-10-22 08:54:12,729 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4eab39a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:12, skipping insertion in model container [2019-10-22 08:54:12,729 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:12,730 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:54:12" (2/3) ... [2019-10-22 08:54:12,730 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4eab39a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:54:12, skipping insertion in model container [2019-10-22 08:54:12,730 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:54:12,730 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:12" (3/3) ... [2019-10-22 08:54:12,732 INFO L371 chiAutomizerObserver]: Analyzing ICFG gauss_sum.i [2019-10-22 08:54:12,808 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:54:12,808 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:54:12,808 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:54:12,809 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:54:12,809 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:54:12,809 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:54:12,809 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:54:12,809 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:54:12,821 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-10-22 08:54:12,857 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-10-22 08:54:12,857 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:12,857 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:12,863 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:54:12,863 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 08:54:12,863 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-10-22 08:54:12,864 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2019-10-22 08:54:12,864 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 2 [2019-10-22 08:54:12,865 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-10-22 08:54:12,865 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-10-22 08:54:12,865 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-10-22 08:54:12,865 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1] [2019-10-22 08:54:12,872 INFO L791 eck$LassoCheckResult]: Stem: 4#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~post2, main_~n~0, main_~sum~0, main_~i~0;havoc main_~n~0;havoc main_~sum~0;havoc main_~i~0;main_~n~0 := main_#t~nondet1;havoc main_#t~nondet1; 9#L13true assume !!(1 <= main_~n~0 && main_~n~0 <= 1000);main_~sum~0 := 0;main_~i~0 := 1; 6#L15-3true [2019-10-22 08:54:12,872 INFO L793 eck$LassoCheckResult]: Loop: 6#L15-3true assume !!(main_~i~0 <= main_~n~0);main_~sum~0 := main_~sum~0 + main_~i~0; 10#L15-2true main_#t~post2 := main_~i~0;main_~i~0 := 1 + main_#t~post2;havoc main_#t~post2; 6#L15-3true [2019-10-22 08:54:12,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:12,878 INFO L82 PathProgramCache]: Analyzing trace with hash 998, now seen corresponding path program 1 times [2019-10-22 08:54:12,885 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:12,885 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976290199] [2019-10-22 08:54:12,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:12,886 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:12,886 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:12,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:13,003 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:13,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:13,005 INFO L82 PathProgramCache]: Analyzing trace with hash 1411, now seen corresponding path program 1 times [2019-10-22 08:54:13,005 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:13,005 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1577895850] [2019-10-22 08:54:13,005 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,006 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,006 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:13,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:13,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:13,017 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:13,018 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:13,019 INFO L82 PathProgramCache]: Analyzing trace with hash 959528, now seen corresponding path program 1 times [2019-10-22 08:54:13,019 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:54:13,019 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1426705102] [2019-10-22 08:54:13,019 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,019 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:54:13,019 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:54:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:13,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-10-22 08:54:13,037 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-10-22 08:54:13,081 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:54:13,082 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:54:13,082 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:54:13,082 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:54:13,082 INFO L127 ssoRankerPreferences]: Use exernal solver: true [2019-10-22 08:54:13,082 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:54:13,083 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:54:13,083 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:54:13,083 INFO L131 ssoRankerPreferences]: Filename of dumped script: gauss_sum.i_Iteration1_Loop [2019-10-22 08:54:13,083 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:54:13,083 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:54:13,103 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:13,118 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:13,164 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:54:13,165 INFO L404 LassoAnalysis]: Checking for nontermination... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/bin/uautomizer/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 [2019-10-22 08:54:13,172 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 0 Nilpotent components: true [2019-10-22 08:54:13,172 INFO L160 nArgumentSynthesizer]: Using integer mode. No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_761fad42-83de-47c8-974c-307ab81a824f/bin/uautomizer/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 [2019-10-22 08:54:13,186 INFO L148 nArgumentSynthesizer]: Nontermination analysis: NONLINEAR Allow bounded executions: true Number of generalized eigenvectors: 3 Nilpotent components: true [2019-10-22 08:54:13,186 INFO L160 nArgumentSynthesizer]: Using integer mode. [2019-10-22 08:54:13,277 INFO L444 LassoAnalysis]: Proving nontermination failed: No geometric nontermination argument exists. [2019-10-22 08:54:13,278 INFO L210 LassoAnalysis]: Preferences: [2019-10-22 08:54:13,278 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-10-22 08:54:13,279 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-10-22 08:54:13,279 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-10-22 08:54:13,279 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-10-22 08:54:13,279 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:54:13,279 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-10-22 08:54:13,279 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-10-22 08:54:13,279 INFO L131 ssoRankerPreferences]: Filename of dumped script: gauss_sum.i_Iteration1_Loop [2019-10-22 08:54:13,279 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-10-22 08:54:13,279 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-10-22 08:54:13,280 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:13,292 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-10-22 08:54:13,324 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-10-22 08:54:13,328 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-10-22 08:54:13,330 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 [2019-10-22 08:54:13,331 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-10-22 08:54:13,332 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-10-22 08:54:13,332 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-10-22 08:54:13,332 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-10-22 08:54:13,333 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-10-22 08:54:13,335 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-10-22 08:54:13,335 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-10-22 08:54:13,344 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-10-22 08:54:13,352 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-10-22 08:54:13,352 INFO L444 ModelExtractionUtils]: 1 out of 5 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-10-22 08:54:13,354 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-10-22 08:54:13,355 INFO L438 nArgumentSynthesizer]: Removed 0 redundant supporting invariants from a total of 0. [2019-10-22 08:54:13,355 INFO L510 LassoAnalysis]: Proved termination. [2019-10-22 08:54:13,356 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_main_~n~0, ULTIMATE.start_main_~i~0) = 2*ULTIMATE.start_main_~n~0 - 2*ULTIMATE.start_main_~i~0 + 1 Supporting invariants [] [2019-10-22 08:54:13,359 INFO L297 tatePredicateManager]: 0 out of 0 supporting invariants were superfluous and have been removed [2019-10-22 08:54:13,385 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:54:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:13,395 INFO L256 TraceCheckSpWp]: Trace formula consists of 10 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:54:13,396 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:13,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:54:13,410 WARN L254 TraceCheckSpWp]: Trace formula consists of 7 conjuncts, 4 conjunts are in the unsatisfiable core [2019-10-22 08:54:13,410 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:54:13,435 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:54:13,449 INFO L152 lantAutomatonBouncer]: Defining deterministic Buchi interpolant automaton with honda bouncer for stem and without honda bouncer for loop.1 stem predicates 2 loop predicates [2019-10-22 08:54:13,451 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 11 states. Second operand 3 states. [2019-10-22 08:54:13,493 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 11 states.. Second operand 3 states. Result 30 states and 36 transitions. Complement of second has 7 states. [2019-10-22 08:54:13,494 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 5 states 1 stem states 2 non-accepting loop states 1 accepting loop states [2019-10-22 08:54:13,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2019-10-22 08:54:13,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 23 transitions. [2019-10-22 08:54:13,498 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 2 letters. [2019-10-22 08:54:13,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:54:13,499 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 4 letters. Loop has 2 letters. [2019-10-22 08:54:13,499 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:54:13,500 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 23 transitions. Stem has 2 letters. Loop has 4 letters. [2019-10-22 08:54:13,500 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-10-22 08:54:13,501 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 30 states and 36 transitions. [2019-10-22 08:54:13,503 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:54:13,506 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 30 states to 0 states and 0 transitions. [2019-10-22 08:54:13,507 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-10-22 08:54:13,507 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-10-22 08:54:13,508 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-10-22 08:54:13,508 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-10-22 08:54:13,508 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:13,508 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:13,508 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:54:13,509 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-10-22 08:54:13,509 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:54:13,509 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:54:13,509 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:54:13,515 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:54:13 BoogieIcfgContainer [2019-10-22 08:54:13,515 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:54:13,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:54:13,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:54:13,516 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:54:13,516 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:54:12" (3/4) ... [2019-10-22 08:54:13,519 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:54:13,520 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:54:13,522 INFO L168 Benchmark]: Toolchain (without parser) took 1300.50 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -118.8 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,522 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:13,523 INFO L168 Benchmark]: CACSL2BoogieTranslator took 244.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -193.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,523 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:13,524 INFO L168 Benchmark]: Boogie Preprocessor took 17.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:13,524 INFO L168 Benchmark]: RCFGBuilder took 208.53 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,525 INFO L168 Benchmark]: BuchiAutomizer took 792.79 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: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:54:13,525 INFO L168 Benchmark]: Witness Printer took 4.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:54:13,528 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 244.03 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 944.5 MB in the beginning and 1.1 GB in the end (delta: -193.5 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.95 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 17.08 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 208.53 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: 17.0 MB). Peak memory consumption was 17.0 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 792.79 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: 57.7 MB). Peak memory consumption was 57.7 MB. Max. memory is 11.5 GB. * Witness Printer took 4.47 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Your program was decomposed into 1 terminating modules (0 trivial, 1 deterministic, 0 nondeterministic). One deterministic module has affine ranking function 2 * n + -2 * i + 1 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.7s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 0.4s. 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: 10 SDtfs, 11 SDslu, 10 SDs, 0 SdLazy, 9 SolverSat, 2 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 sie100 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: sat Degree: 0 Time: 26ms VariablesStem: 0 VariablesLoop: 5 DisjunctsStem: 1 DisjunctsLoop: 1 SupportingInvariants: 0 MotzkinApplications: 2 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...