./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemrchr-alloca_true-termination.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e8269568-19f5-45b4-abc2-3d7a2d9ef28e/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e8269568-19f5-45b4-abc2-3d7a2d9ef28e/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e8269568-19f5-45b4-abc2-3d7a2d9ef28e/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e8269568-19f5-45b4-abc2-3d7a2d9ef28e/bin-2019/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemrchr-alloca_true-termination.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e8269568-19f5-45b4-abc2-3d7a2d9ef28e/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e8269568-19f5-45b4-abc2-3d7a2d9ef28e/bin-2019/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 64bit --witnessprinter.graph.data.programhash 1d83513923275fb998d84bf280079335d55bfc99 ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 08:09:51,000 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 08:09:51,001 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 08:09:51,008 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 08:09:51,009 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 08:09:51,009 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 08:09:51,010 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 08:09:51,011 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 08:09:51,012 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 08:09:51,013 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 08:09:51,013 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 08:09:51,013 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 08:09:51,014 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 08:09:51,015 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 08:09:51,016 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 08:09:51,016 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 08:09:51,017 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 08:09:51,018 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 08:09:51,019 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 08:09:51,020 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 08:09:51,021 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 08:09:51,022 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 08:09:51,023 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 08:09:51,024 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 08:09:51,024 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 08:09:51,024 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 08:09:51,025 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 08:09:51,026 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 08:09:51,026 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 08:09:51,027 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 08:09:51,027 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 08:09:51,028 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 08:09:51,028 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 08:09:51,028 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 08:09:51,028 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 08:09:51,029 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 08:09:51,029 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e8269568-19f5-45b4-abc2-3d7a2d9ef28e/bin-2019/uautomizer/config/svcomp-Termination-64bit-Automizer_Default.epf [2018-11-23 08:09:51,038 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 08:09:51,038 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 08:09:51,039 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 08:09:51,039 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 08:09:51,039 INFO L133 SettingsManager]: * Use SBE=true [2018-11-23 08:09:51,039 INFO L131 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2018-11-23 08:09:51,039 INFO L133 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2018-11-23 08:09:51,039 INFO L133 SettingsManager]: * Use old map elimination=false [2018-11-23 08:09:51,040 INFO L133 SettingsManager]: * Use external solver (rank synthesis)=false [2018-11-23 08:09:51,040 INFO L133 SettingsManager]: * Use only trivial implications for array writes=true [2018-11-23 08:09:51,040 INFO L133 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2018-11-23 08:09:51,040 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 08:09:51,040 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 08:09:51,040 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 08:09:51,040 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 08:09:51,041 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2018-11-23 08:09:51,041 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2018-11-23 08:09:51,041 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2018-11-23 08:09:51,041 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 08:09:51,041 INFO L133 SettingsManager]: * Assume nondeterminstic values are in range=false [2018-11-23 08:09:51,041 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 08:09:51,041 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2018-11-23 08:09:51,042 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 08:09:51,042 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 08:09:51,042 INFO L133 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2018-11-23 08:09:51,042 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 08:09:51,042 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-23 08:09:51,042 INFO L133 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2018-11-23 08:09:51,043 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-11-23 08:09:51,043 INFO L133 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_e8269568-19f5-45b4-abc2-3d7a2d9ef28e/bin-2019/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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1d83513923275fb998d84bf280079335d55bfc99 [2018-11-23 08:09:51,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 08:09:51,077 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 08:09:51,079 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 08:09:51,081 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 08:09:51,081 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 08:09:51,082 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e8269568-19f5-45b4-abc2-3d7a2d9ef28e/bin-2019/uautomizer/../../sv-benchmarks/c/termination-memory-alloca/openbsd_cmemrchr-alloca_true-termination.c.i [2018-11-23 08:09:51,123 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8269568-19f5-45b4-abc2-3d7a2d9ef28e/bin-2019/uautomizer/data/6f2273994/895c637b90e348b0bcae1a7e7b093cde/FLAG61167b81a [2018-11-23 08:09:51,568 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 08:09:51,568 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e8269568-19f5-45b4-abc2-3d7a2d9ef28e/sv-benchmarks/c/termination-memory-alloca/openbsd_cmemrchr-alloca_true-termination.c.i [2018-11-23 08:09:51,577 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e8269568-19f5-45b4-abc2-3d7a2d9ef28e/bin-2019/uautomizer/data/6f2273994/895c637b90e348b0bcae1a7e7b093cde/FLAG61167b81a [2018-11-23 08:09:51,587 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e8269568-19f5-45b4-abc2-3d7a2d9ef28e/bin-2019/uautomizer/data/6f2273994/895c637b90e348b0bcae1a7e7b093cde [2018-11-23 08:09:51,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 08:09:51,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 08:09:51,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 08:09:51,590 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 08:09:51,593 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 08:09:51,593 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:51" (1/1) ... [2018-11-23 08:09:51,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@388bc786 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:51, skipping insertion in model container [2018-11-23 08:09:51,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 08:09:51" (1/1) ... [2018-11-23 08:09:51,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 08:09:51,626 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 08:09:51,817 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:09:51,826 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 08:09:51,894 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 08:09:51,917 INFO L195 MainTranslator]: Completed translation [2018-11-23 08:09:51,917 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:51 WrapperNode [2018-11-23 08:09:51,917 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 08:09:51,918 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 08:09:51,918 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 08:09:51,918 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 08:09:51,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:51" (1/1) ... [2018-11-23 08:09:51,934 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:51" (1/1) ... [2018-11-23 08:09:51,947 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 08:09:51,947 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 08:09:51,947 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 08:09:51,948 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 08:09:51,953 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:51" (1/1) ... [2018-11-23 08:09:51,953 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:51" (1/1) ... [2018-11-23 08:09:51,955 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:51" (1/1) ... [2018-11-23 08:09:51,955 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:51" (1/1) ... [2018-11-23 08:09:51,959 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:51" (1/1) ... [2018-11-23 08:09:51,962 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:51" (1/1) ... [2018-11-23 08:09:51,963 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:51" (1/1) ... [2018-11-23 08:09:51,964 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 08:09:51,964 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 08:09:51,964 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 08:09:51,964 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 08:09:51,965 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:51" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e8269568-19f5-45b4-abc2-3d7a2d9ef28e/bin-2019/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 [2018-11-23 08:09:51,997 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-23 08:09:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2018-11-23 08:09:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-11-23 08:09:51,998 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 08:09:51,998 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 08:09:52,141 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 08:09:52,141 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 08:09:52,142 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:52 BoogieIcfgContainer [2018-11-23 08:09:52,142 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 08:09:52,142 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2018-11-23 08:09:52,142 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2018-11-23 08:09:52,145 INFO L276 PluginConnector]: BuchiAutomizer initialized [2018-11-23 08:09:52,146 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 08:09:52,146 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 23.11 08:09:51" (1/3) ... [2018-11-23 08:09:52,147 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62b2b08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 08:09:52, skipping insertion in model container [2018-11-23 08:09:52,147 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 08:09:52,147 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 08:09:51" (2/3) ... [2018-11-23 08:09:52,148 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@62b2b08d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 23.11 08:09:52, skipping insertion in model container [2018-11-23 08:09:52,148 INFO L102 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2018-11-23 08:09:52,148 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:52" (3/3) ... [2018-11-23 08:09:52,149 INFO L375 chiAutomizerObserver]: Analyzing ICFG openbsd_cmemrchr-alloca_true-termination.c.i [2018-11-23 08:09:52,192 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-23 08:09:52,193 INFO L374 BuchiCegarLoop]: Interprodecural is true [2018-11-23 08:09:52,193 INFO L375 BuchiCegarLoop]: Hoare is false [2018-11-23 08:09:52,193 INFO L376 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2018-11-23 08:09:52,193 INFO L377 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 08:09:52,193 INFO L378 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 08:09:52,193 INFO L379 BuchiCegarLoop]: Difference is false [2018-11-23 08:09:52,193 INFO L380 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 08:09:52,193 INFO L383 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2018-11-23 08:09:52,205 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-23 08:09:52,222 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-23 08:09:52,222 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 08:09:52,222 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 08:09:52,226 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-23 08:09:52,226 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-23 08:09:52,227 INFO L442 BuchiCegarLoop]: ======== Iteration 1============ [2018-11-23 08:09:52,227 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2018-11-23 08:09:52,228 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 4 [2018-11-23 08:09:52,228 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2018-11-23 08:09:52,228 INFO L119 BuchiIsEmpty]: Starting construction of run [2018-11-23 08:09:52,228 INFO L866 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1, 1, 1, 1] [2018-11-23 08:09:52,229 INFO L867 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1] [2018-11-23 08:09:52,235 INFO L794 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0]; 6#L-1true havoc main_#res;havoc main_#t~nondet5, main_#t~nondet6, main_#t~nondet7, main_#t~malloc8.base, main_#t~malloc8.offset, main_#t~ret9.base, main_#t~ret9.offset, main_~length~0, main_~n~0, main_~c~0, main_~nondetArea~0.base, main_~nondetArea~0.offset;main_~length~0 := main_#t~nondet5;havoc main_#t~nondet5;main_~n~0 := main_#t~nondet6;havoc main_#t~nondet6;main_~c~0 := main_#t~nondet7;havoc main_#t~nondet7; 7#L564true assume !(main_~length~0 < 1); 10#L564-2true assume !(main_~n~0 < 1); 4#L567-1true call main_#t~malloc8.base, main_#t~malloc8.offset := #Ultimate.alloc(main_~n~0);main_~nondetArea~0.base, main_~nondetArea~0.offset := main_#t~malloc8.base, main_#t~malloc8.offset;cmemrchr_#in~s.base, cmemrchr_#in~s.offset, cmemrchr_#in~c, cmemrchr_#in~n := main_~nondetArea~0.base, main_~nondetArea~0.offset, main_~c~0, main_~n~0;havoc cmemrchr_#res.base, cmemrchr_#res.offset;havoc cmemrchr_#t~pre3.base, cmemrchr_#t~pre3.offset, cmemrchr_#t~mem4, cmemrchr_#t~pre2, cmemrchr_~s.base, cmemrchr_~s.offset, cmemrchr_~c, cmemrchr_~n, cmemrchr_~cp~0.base, cmemrchr_~cp~0.offset;cmemrchr_~s.base, cmemrchr_~s.offset := cmemrchr_#in~s.base, cmemrchr_#in~s.offset;cmemrchr_~c := cmemrchr_#in~c;cmemrchr_~n := cmemrchr_#in~n;havoc cmemrchr_~cp~0.base, cmemrchr_~cp~0.offset; 11#L551true assume 0 != cmemrchr_~n % 4294967296;cmemrchr_~cp~0.base, cmemrchr_~cp~0.offset := cmemrchr_~s.base, cmemrchr_~s.offset + cmemrchr_~n % 4294967296; 17#L553-4true [2018-11-23 08:09:52,236 INFO L796 eck$LassoCheckResult]: Loop: 17#L553-4true cmemrchr_#t~pre3.base, cmemrchr_#t~pre3.offset := cmemrchr_~cp~0.base, cmemrchr_~cp~0.offset - 1;cmemrchr_~cp~0.base, cmemrchr_~cp~0.offset := cmemrchr_~cp~0.base, cmemrchr_~cp~0.offset - 1;call cmemrchr_#t~mem4 := read~int(cmemrchr_#t~pre3.base, cmemrchr_#t~pre3.offset, 1); 5#L554true assume !(cmemrchr_#t~mem4 % 256 == cmemrchr_~c % 256);havoc cmemrchr_#t~pre3.base, cmemrchr_#t~pre3.offset;havoc cmemrchr_#t~mem4; 9#L553-1true cmemrchr_#t~pre2 := cmemrchr_~n - 1;cmemrchr_~n := cmemrchr_~n - 1; 12#L553-2true assume !!(0 != cmemrchr_#t~pre2 % 4294967296);havoc cmemrchr_#t~pre2; 17#L553-4true [2018-11-23 08:09:52,241 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:09:52,241 INFO L82 PathProgramCache]: Analyzing trace with hash 889572236, now seen corresponding path program 1 times [2018-11-23 08:09:52,243 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:09:52,243 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:09:52,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:09:52,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:09:52,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:09:52,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:09:52,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:09:52,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:09:52,331 INFO L82 PathProgramCache]: Analyzing trace with hash 1605803, now seen corresponding path program 1 times [2018-11-23 08:09:52,331 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:09:52,331 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:09:52,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:09:52,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:09:52,333 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:09:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:09:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:09:52,350 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:09:52,350 INFO L82 PathProgramCache]: Analyzing trace with hash 1592233654, now seen corresponding path program 1 times [2018-11-23 08:09:52,350 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-23 08:09:52,350 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-23 08:09:52,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:09:52,351 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 08:09:52,351 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 08:09:52,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:09:52,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 08:09:52,582 INFO L216 LassoAnalysis]: Preferences: [2018-11-23 08:09:52,583 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2018-11-23 08:09:52,583 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2018-11-23 08:09:52,583 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2018-11-23 08:09:52,583 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2018-11-23 08:09:52,583 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2018-11-23 08:09:52,583 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2018-11-23 08:09:52,583 INFO L130 ssoRankerPreferences]: Path of dumped script: [2018-11-23 08:09:52,584 INFO L131 ssoRankerPreferences]: Filename of dumped script: openbsd_cmemrchr-alloca_true-termination.c.i_Iteration1_Lasso [2018-11-23 08:09:52,584 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2018-11-23 08:09:52,584 INFO L282 LassoAnalysis]: Starting lasso preprocessing... [2018-11-23 08:09:52,602 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,606 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,607 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,610 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,620 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,636 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,638 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,645 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,647 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,649 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,652 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,653 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,655 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,657 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,797 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,799 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,802 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,805 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:52,806 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2018-11-23 08:09:53,240 INFO L300 LassoAnalysis]: Preprocessing complete. [2018-11-23 08:09:53,244 INFO L497 LassoAnalysis]: Using template 'affine'. [2018-11-23 08:09:53,246 INFO L122 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 [2018-11-23 08:09:53,247 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,248 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 08:09:53,248 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,248 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,249 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,250 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 08:09:53,250 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 08:09:53,252 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,253 INFO L122 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 [2018-11-23 08:09:53,253 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,253 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 08:09:53,253 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,254 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,254 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,254 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 08:09:53,254 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 08:09:53,255 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,256 INFO L122 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 [2018-11-23 08:09:53,256 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,256 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 08:09:53,256 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,257 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,257 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,257 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 08:09:53,257 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 08:09:53,258 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,259 INFO L122 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 [2018-11-23 08:09:53,259 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,260 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 08:09:53,260 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,260 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,260 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,261 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 08:09:53,261 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 08:09:53,261 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,262 INFO L122 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 [2018-11-23 08:09:53,262 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,262 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 08:09:53,263 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,263 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,263 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,263 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 08:09:53,264 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 08:09:53,264 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,265 INFO L122 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 [2018-11-23 08:09:53,265 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,265 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 08:09:53,265 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,266 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,266 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,266 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 08:09:53,266 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 08:09:53,267 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,267 INFO L122 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 [2018-11-23 08:09:53,268 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,268 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,268 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,268 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,270 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 08:09:53,271 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 08:09:53,274 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,275 INFO L122 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 [2018-11-23 08:09:53,275 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,275 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,276 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,276 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,277 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 08:09:53,277 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 08:09:53,285 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,285 INFO L122 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 [2018-11-23 08:09:53,286 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,286 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 08:09:53,286 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,286 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,286 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,287 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 08:09:53,288 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 08:09:53,289 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,289 INFO L122 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 [2018-11-23 08:09:53,289 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,290 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,290 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,290 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,291 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 08:09:53,291 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 08:09:53,294 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,294 INFO L122 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 [2018-11-23 08:09:53,295 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,295 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 08:09:53,295 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,295 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,295 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,296 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 08:09:53,296 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 08:09:53,297 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,297 INFO L122 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 [2018-11-23 08:09:53,298 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,298 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,298 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,298 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,299 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 08:09:53,299 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 08:09:53,303 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,303 INFO L122 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 [2018-11-23 08:09:53,303 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,304 INFO L352 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2018-11-23 08:09:53,304 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,304 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,304 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,305 INFO L402 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2018-11-23 08:09:53,305 INFO L403 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2018-11-23 08:09:53,306 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,306 INFO L122 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 [2018-11-23 08:09:53,306 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,307 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,307 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,307 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,309 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 08:09:53,309 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 08:09:53,321 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,321 INFO L122 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 [2018-11-23 08:09:53,322 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,322 INFO L205 nArgumentSynthesizer]: 2 stem disjuncts [2018-11-23 08:09:53,322 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,322 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,325 INFO L402 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2018-11-23 08:09:53,325 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 08:09:53,340 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,340 INFO L122 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 [2018-11-23 08:09:53,341 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,341 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,341 INFO L206 nArgumentSynthesizer]: 2 loop disjuncts [2018-11-23 08:09:53,341 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,347 INFO L402 nArgumentSynthesizer]: We have 16 Motzkin's Theorem applications. [2018-11-23 08:09:53,348 INFO L403 nArgumentSynthesizer]: A total of 4 supporting invariants were added. [2018-11-23 08:09:53,379 INFO L530 LassoAnalysis]: Proving termination failed for this template and these settings. [2018-11-23 08:09:53,379 INFO L122 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 [2018-11-23 08:09:53,380 INFO L339 nArgumentSynthesizer]: Template has degree 0. [2018-11-23 08:09:53,380 INFO L205 nArgumentSynthesizer]: 1 stem disjuncts [2018-11-23 08:09:53,380 INFO L206 nArgumentSynthesizer]: 1 loop disjuncts [2018-11-23 08:09:53,380 INFO L207 nArgumentSynthesizer]: 2 template conjuncts. [2018-11-23 08:09:53,398 INFO L402 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2018-11-23 08:09:53,398 INFO L403 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2018-11-23 08:09:53,436 INFO L421 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2018-11-23 08:09:53,457 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2018-11-23 08:09:53,457 INFO L444 ModelExtractionUtils]: 29 out of 34 variables were initially zero. Simplification set additionally 3 variables to zero. [2018-11-23 08:09:53,459 INFO L437 nArgumentSynthesizer]: Simplifying supporting invariants... [2018-11-23 08:09:53,460 INFO L440 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2018-11-23 08:09:53,460 INFO L518 LassoAnalysis]: Proved termination. [2018-11-23 08:09:53,460 INFO L520 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_cmemrchr_~cp~0.offset) = 1*ULTIMATE.start_cmemrchr_~cp~0.offset Supporting invariants [] [2018-11-23 08:09:53,473 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2018-11-23 08:09:53,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 08:09:53,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:09:53,510 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:09:53,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 08:09:53,523 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 08:09:53,562 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 08:09:53,576 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 [2018-11-23 08:09:53,577 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 15 states. Second operand 3 states. [2018-11-23 08:09:53,606 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 15 states.. Second operand 3 states. Result 35 states and 40 transitions. Complement of second has 5 states. [2018-11-23 08:09:53,606 INFO L142 InterpolantAutomaton]: Switched to read-only mode: Buchi interpolant automaton has 4 states 1 stem states 1 non-accepting loop states 1 accepting loop states [2018-11-23 08:09:53,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3 states. [2018-11-23 08:09:53,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4 states to 4 states and 30 transitions. [2018-11-23 08:09:53,610 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 6 letters. Loop has 4 letters. [2018-11-23 08:09:53,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 08:09:53,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 10 letters. Loop has 4 letters. [2018-11-23 08:09:53,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 08:09:53,611 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 4 states and 30 transitions. Stem has 6 letters. Loop has 8 letters. [2018-11-23 08:09:53,611 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2018-11-23 08:09:53,612 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 40 transitions. [2018-11-23 08:09:53,614 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 08:09:53,615 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2018-11-23 08:09:53,616 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2018-11-23 08:09:53,616 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2018-11-23 08:09:53,616 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2018-11-23 08:09:53,617 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2018-11-23 08:09:53,617 INFO L705 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:09:53,617 INFO L728 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:09:53,617 INFO L608 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 08:09:53,617 INFO L442 BuchiCegarLoop]: ======== Iteration 2============ [2018-11-23 08:09:53,617 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2018-11-23 08:09:53,617 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2018-11-23 08:09:53,617 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2018-11-23 08:09:53,621 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 23.11 08:09:53 BoogieIcfgContainer [2018-11-23 08:09:53,621 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2018-11-23 08:09:53,621 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 08:09:53,621 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 08:09:53,621 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 08:09:53,621 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 08:09:52" (3/4) ... [2018-11-23 08:09:53,624 INFO L147 WitnessPrinter]: No result that supports witness generation found [2018-11-23 08:09:53,624 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 08:09:53,624 INFO L168 Benchmark]: Toolchain (without parser) took 2034.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -140.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:09:53,625 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:09:53,625 INFO L168 Benchmark]: CACSL2BoogieTranslator took 327.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.4 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. [2018-11-23 08:09:53,626 INFO L168 Benchmark]: Boogie Procedure Inliner took 29.63 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 08:09:53,626 INFO L168 Benchmark]: Boogie Preprocessor took 16.41 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. [2018-11-23 08:09:53,627 INFO L168 Benchmark]: RCFGBuilder took 178.07 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-11-23 08:09:53,627 INFO L168 Benchmark]: BuchiAutomizer took 1478.37 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: -2.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 08:09:53,628 INFO L168 Benchmark]: Witness Printer took 2.72 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. [2018-11-23 08:09:53,630 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 327.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -163.4 MB). Peak memory consumption was 29.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 29.63 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.41 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 178.07 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: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 1478.37 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: -2.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 2.72 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 cp and consists of 4 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 1.4s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 1.2s. 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: 21 SDtfs, 21 SDslu, 8 SDs, 0 SdLazy, 3 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital140 mio100 ax112 hnf98 lsp82 ukn97 mio100 lsp57 div208 bol100 ite100 ukn100 eq167 hnf63 smp91 dnf100 smp100 tf100 neg98 sie102 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 38ms VariablesStem: 3 VariablesLoop: 6 DisjunctsStem: 1 DisjunctsLoop: 2 SupportingInvariants: 4 MotzkinApplications: 16 LassoTerminationAnalysisBenchmarks: LassoNonterminationAnalysisSatFixpoint: 0 LassoNonterminationAnalysisSatUnbounded: 0 LassoNonterminationAnalysisUnsat: 0 LassoNonterminationAnalysisUnknown: 0 LassoNonterminationAnalysisTime: 0.0s - TerminationAnalysisResult: Termination proven Buchi Automizer proved that your program is terminating RESULT: Ultimate proved your program to be correct! Received shutdown request...