./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.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/run_dir_a25c1797-8e3c-40f7-a5b9-cf8615ef9ceb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_a25c1797-8e3c-40f7-a5b9-cf8615ef9ceb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_a25c1797-8e3c-40f7-a5b9-cf8615ef9ceb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_a25c1797-8e3c-40f7-a5b9-cf8615ef9ceb/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i -s /tmp/vcloud-vcloud-master/worker/run_dir_a25c1797-8e3c-40f7-a5b9-cf8615ef9ceb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_a25c1797-8e3c-40f7-a5b9-cf8615ef9ceb/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 0322173b3e50156a3157d6284ff4dd2480f2ac8d ................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:07:55,160 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:07:55,161 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:07:55,172 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:07:55,172 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:07:55,173 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:07:55,174 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:07:55,176 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:07:55,178 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:07:55,179 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:07:55,180 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:07:55,181 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:07:55,182 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:07:55,183 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:07:55,183 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:07:55,184 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:07:55,186 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:07:55,187 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:07:55,189 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:07:55,190 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:07:55,192 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:07:55,193 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:07:55,194 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:07:55,195 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:07:55,197 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:07:55,197 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:07:55,198 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:07:55,198 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:07:55,199 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:07:55,200 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:07:55,200 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:07:55,201 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:07:55,201 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:07:55,202 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:07:55,203 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:07:55,203 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:07:55,204 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:07:55,204 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:07:55,204 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:07:55,205 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:07:55,205 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:07:55,206 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_a25c1797-8e3c-40f7-a5b9-cf8615ef9ceb/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-11-15 22:07:55,222 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:07:55,223 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:07:55,224 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:07:55,224 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:07:55,224 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:07:55,224 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-11-15 22:07:55,225 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-11-15 22:07:55,225 INFO L138 SettingsManager]: * Use old map elimination=false [2019-11-15 22:07:55,225 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-11-15 22:07:55,225 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-11-15 22:07:55,225 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-11-15 22:07:55,226 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:07:55,226 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:07:55,226 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-15 22:07:55,226 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:07:55,227 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:07:55,227 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:07:55,227 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-11-15 22:07:55,227 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-11-15 22:07:55,227 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-11-15 22:07:55,228 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:07:55,228 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:07:55,228 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-11-15 22:07:55,228 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:07:55,228 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-11-15 22:07:55,229 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:07:55,229 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:07:55,229 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-11-15 22:07:55,229 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:07:55,230 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:07:55,230 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-11-15 22:07:55,231 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-11-15 22:07:55,231 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/run_dir_a25c1797-8e3c-40f7-a5b9-cf8615ef9ceb/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 -> 0322173b3e50156a3157d6284ff4dd2480f2ac8d [2019-11-15 22:07:55,258 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:07:55,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:07:55,273 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:07:55,274 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:07:55,274 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:07:55,275 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_a25c1797-8e3c-40f7-a5b9-cf8615ef9ceb/bin/uautomizer/../../sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2019-11-15 22:07:55,328 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a25c1797-8e3c-40f7-a5b9-cf8615ef9ceb/bin/uautomizer/data/16c9310e0/1bfcfc9646424fa185789c032bd90634/FLAGe34ae2cea [2019-11-15 22:07:55,744 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:07:55,744 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_a25c1797-8e3c-40f7-a5b9-cf8615ef9ceb/sv-benchmarks/c/loops/veris.c_NetBSD-libc_loop.i [2019-11-15 22:07:55,748 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_a25c1797-8e3c-40f7-a5b9-cf8615ef9ceb/bin/uautomizer/data/16c9310e0/1bfcfc9646424fa185789c032bd90634/FLAGe34ae2cea [2019-11-15 22:07:55,758 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_a25c1797-8e3c-40f7-a5b9-cf8615ef9ceb/bin/uautomizer/data/16c9310e0/1bfcfc9646424fa185789c032bd90634 [2019-11-15 22:07:55,761 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:07:55,762 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:07:55,763 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:07:55,764 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:07:55,767 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:07:55,768 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:07:55" (1/1) ... [2019-11-15 22:07:55,770 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3e7d5d03 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:55, skipping insertion in model container [2019-11-15 22:07:55,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:07:55" (1/1) ... [2019-11-15 22:07:55,776 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:07:55,790 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:07:56,023 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:07:56,034 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:07:56,055 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:07:56,072 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:07:56,073 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:56 WrapperNode [2019-11-15 22:07:56,073 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:07:56,076 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:07:56,076 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:07:56,076 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:07:56,084 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:56" (1/1) ... [2019-11-15 22:07:56,093 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:56" (1/1) ... [2019-11-15 22:07:56,113 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:07:56,113 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:07:56,113 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:07:56,113 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:07:56,122 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:56" (1/1) ... [2019-11-15 22:07:56,122 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:56" (1/1) ... [2019-11-15 22:07:56,132 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:56" (1/1) ... [2019-11-15 22:07:56,132 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:56" (1/1) ... [2019-11-15 22:07:56,145 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:56" (1/1) ... [2019-11-15 22:07:56,149 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:56" (1/1) ... [2019-11-15 22:07:56,150 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:56" (1/1) ... [2019-11-15 22:07:56,152 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:07:56,152 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:07:56,152 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:07:56,152 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:07:56,153 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_a25c1797-8e3c-40f7-a5b9-cf8615ef9ceb/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 [2019-11-15 22:07:56,222 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-15 22:07:56,222 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:07:56,222 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:07:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-15 22:07:56,223 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-15 22:07:56,508 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:07:56,508 INFO L284 CfgBuilder]: Removed 9 assume(true) statements. [2019-11-15 22:07:56,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:07:56 BoogieIcfgContainer [2019-11-15 22:07:56,510 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:07:56,511 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-11-15 22:07:56,511 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-11-15 22:07:56,515 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-11-15 22:07:56,516 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:07:56,516 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 15.11 10:07:55" (1/3) ... [2019-11-15 22:07:56,518 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52c6a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:07:56, skipping insertion in model container [2019-11-15 22:07:56,518 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:07:56,518 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:07:56" (2/3) ... [2019-11-15 22:07:56,520 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52c6a28 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 15.11 10:07:56, skipping insertion in model container [2019-11-15 22:07:56,520 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-11-15 22:07:56,520 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:07:56" (3/3) ... [2019-11-15 22:07:56,522 INFO L371 chiAutomizerObserver]: Analyzing ICFG veris.c_NetBSD-libc_loop.i [2019-11-15 22:07:56,622 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-11-15 22:07:56,636 INFO L357 BuchiCegarLoop]: Hoare is false [2019-11-15 22:07:56,636 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-11-15 22:07:56,636 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:07:56,637 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:07:56,637 INFO L361 BuchiCegarLoop]: Difference is false [2019-11-15 22:07:56,637 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:07:56,637 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-11-15 22:07:56,651 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-11-15 22:07:56,670 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-15 22:07:56,671 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:07:56,671 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:07:56,678 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-15 22:07:56,678 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-15 22:07:56,678 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2019-11-15 22:07:56,678 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 13 states. [2019-11-15 22:07:56,680 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 6 [2019-11-15 22:07:56,686 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2019-11-15 22:07:56,686 INFO L119 BuchiIsEmpty]: Starting construction of run [2019-11-15 22:07:56,687 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2019-11-15 22:07:56,687 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1, 1, 1] [2019-11-15 22:07:56,708 INFO L791 eck$LassoCheckResult]: Stem: 8#ULTIMATE.startENTRYtrue #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];~tmp~0.base, ~tmp~0.offset := 0, 0; 7#L-1true havoc main_#res;havoc main_#t~ret1, main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;call main_~#pathbuf~0.base, main_~#pathbuf~0.offset := #Ultimate.allocOnStack(8);main_~bound~0.base, main_~bound~0.offset := main_~#pathbuf~0.base, 8 + main_~#pathbuf~0.offset - 4;~tmp~0.base, ~tmp~0.offset := main_~#pathbuf~0.base, 8 + main_~#pathbuf~0.offset - 4;glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset, glob2_#in~pathlim.base, glob2_#in~pathlim.offset := main_~#pathbuf~0.base, main_~#pathbuf~0.offset, main_~bound~0.base, main_~bound~0.offset;havoc glob2_#res;havoc glob2_#t~post0.base, glob2_#t~post0.offset, glob2_~pathbuf.base, glob2_~pathbuf.offset, glob2_~pathlim.base, glob2_~pathlim.offset, glob2_~p~0.base, glob2_~p~0.offset;glob2_~pathbuf.base, glob2_~pathbuf.offset := glob2_#in~pathbuf.base, glob2_#in~pathbuf.offset;glob2_~pathlim.base, glob2_~pathlim.offset := glob2_#in~pathlim.base, glob2_#in~pathlim.offset;havoc glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_~pathbuf.base, glob2_~pathbuf.offset; 14#L18-4true [2019-11-15 22:07:56,708 INFO L793 eck$LassoCheckResult]: Loop: 14#L18-4true assume glob2_~p~0.base == glob2_~pathlim.base; 6#L18-1true assume !!(glob2_~p~0.offset <= glob2_~pathlim.offset);assume glob2_~p~0.base == ~tmp~0.base;__VERIFIER_assert_#in~cond := (if glob2_~p~0.offset <= ~tmp~0.offset then 1 else 0);havoc __VERIFIER_assert_~cond;__VERIFIER_assert_~cond := __VERIFIER_assert_#in~cond; 15#L4true assume !(0 == __VERIFIER_assert_~cond); 10#L4-2true call write~int(1, glob2_~p~0.base, glob2_~p~0.offset, 4); 3#L18-3true glob2_#t~post0.base, glob2_#t~post0.offset := glob2_~p~0.base, glob2_~p~0.offset;glob2_~p~0.base, glob2_~p~0.offset := glob2_#t~post0.base, 4 + glob2_#t~post0.offset;havoc glob2_#t~post0.base, glob2_#t~post0.offset; 14#L18-4true [2019-11-15 22:07:56,714 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:07:56,714 INFO L82 PathProgramCache]: Analyzing trace with hash 963, now seen corresponding path program 1 times [2019-11-15 22:07:56,722 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:07:56,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [865454730] [2019-11-15 22:07:56,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:07:56,723 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:07:56,723 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:07:56,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:07:56,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:07:56,849 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:07:56,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:07:56,850 INFO L82 PathProgramCache]: Analyzing trace with hash 34515950, now seen corresponding path program 1 times [2019-11-15 22:07:56,850 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:07:56,850 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1925625119] [2019-11-15 22:07:56,850 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:07:56,851 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:07:56,851 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:07:56,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:07:56,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:07:56,878 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:07:56,879 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:07:56,879 INFO L82 PathProgramCache]: Analyzing trace with hash 1805955436, now seen corresponding path program 1 times [2019-11-15 22:07:56,880 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:07:56,880 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1560901997] [2019-11-15 22:07:56,880 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:07:56,880 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:07:56,881 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:07:56,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:07:56,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2019-11-15 22:07:56,932 INFO L168 tionRefinementEngine]: Strategy CAMEL found a feasible trace [2019-11-15 22:07:57,279 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 56 [2019-11-15 22:07:57,291 INFO L210 LassoAnalysis]: Preferences: [2019-11-15 22:07:57,291 INFO L124 ssoRankerPreferences]: Compute integeral hull: false [2019-11-15 22:07:57,292 INFO L125 ssoRankerPreferences]: Enable LassoPartitioneer: true [2019-11-15 22:07:57,292 INFO L126 ssoRankerPreferences]: Term annotations enabled: false [2019-11-15 22:07:57,292 INFO L127 ssoRankerPreferences]: Use exernal solver: false [2019-11-15 22:07:57,292 INFO L128 ssoRankerPreferences]: SMT solver command: z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-11-15 22:07:57,292 INFO L129 ssoRankerPreferences]: Dump SMT script to file: false [2019-11-15 22:07:57,293 INFO L130 ssoRankerPreferences]: Path of dumped script: [2019-11-15 22:07:57,293 INFO L131 ssoRankerPreferences]: Filename of dumped script: veris.c_NetBSD-libc_loop.i_Iteration1_Lasso [2019-11-15 22:07:57,293 INFO L132 ssoRankerPreferences]: MapElimAlgo: Frank [2019-11-15 22:07:57,293 INFO L274 LassoAnalysis]: Starting lasso preprocessing... [2019-11-15 22:07:57,325 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:07:57,333 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:07:57,339 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:07:57,562 WARN L191 SmtUtils]: Spent 181.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2019-11-15 22:07:57,666 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:07:57,669 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:07:57,680 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:07:57,683 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:07:57,687 INFO L141 MapEliminator]: Using MapEliminator with SimplificationTechnique=SIMPLIFY_DDA XnfConversionTechnique=BOTTOM_UP_WITH_LOCAL_SIMPLIFICATION AddInequalities=false OnlyTrivialImplicationsArrayWrite=true OnlyTrivialImplicationsForModifiedArguments=true OnlyArgumentsInFormula=true [2019-11-15 22:07:58,098 WARN L191 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 32 [2019-11-15 22:07:58,287 INFO L292 LassoAnalysis]: Preprocessing complete. [2019-11-15 22:07:58,294 INFO L489 LassoAnalysis]: Using template 'affine'. [2019-11-15 22:07:58,296 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 [2019-11-15 22:07:58,298 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:07:58,299 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:07:58,299 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:07:58,300 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:07:58,300 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:07:58,302 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:07:58,302 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:07:58,305 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:07:58,309 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 [2019-11-15 22:07:58,312 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:07:58,312 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:07:58,313 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:07:58,313 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:07:58,313 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:07:58,317 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:07:58,318 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:07:58,324 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:07:58,325 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 [2019-11-15 22:07:58,326 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:07:58,327 INFO L202 nArgumentSynthesizer]: 2 stem disjuncts [2019-11-15 22:07:58,328 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:07:58,328 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:07:58,345 INFO L400 nArgumentSynthesizer]: We have 8 Motzkin's Theorem applications. [2019-11-15 22:07:58,348 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:07:58,469 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:07:58,469 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 [2019-11-15 22:07:58,471 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:07:58,471 INFO L350 nArgumentSynthesizer]: There is no stem transition; disabling supporting invariant generation. [2019-11-15 22:07:58,472 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:07:58,472 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:07:58,473 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:07:58,473 INFO L400 nArgumentSynthesizer]: We have 2 Motzkin's Theorem applications. [2019-11-15 22:07:58,474 INFO L401 nArgumentSynthesizer]: A total of 0 supporting invariants were added. [2019-11-15 22:07:58,475 INFO L522 LassoAnalysis]: Proving termination failed for this template and these settings. [2019-11-15 22:07:58,475 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 [2019-11-15 22:07:58,485 INFO L337 nArgumentSynthesizer]: Template has degree 0. [2019-11-15 22:07:58,485 INFO L202 nArgumentSynthesizer]: 1 stem disjuncts [2019-11-15 22:07:58,486 INFO L203 nArgumentSynthesizer]: 1 loop disjuncts [2019-11-15 22:07:58,486 INFO L204 nArgumentSynthesizer]: 2 template conjuncts. [2019-11-15 22:07:58,494 INFO L400 nArgumentSynthesizer]: We have 6 Motzkin's Theorem applications. [2019-11-15 22:07:58,504 INFO L401 nArgumentSynthesizer]: A total of 2 supporting invariants were added. [2019-11-15 22:07:58,708 INFO L419 nArgumentSynthesizer]: Found a termination argument, trying to simplify. [2019-11-15 22:07:58,752 INFO L443 ModelExtractionUtils]: Simplification made 3 calls to the SMT solver. [2019-11-15 22:07:58,752 INFO L444 ModelExtractionUtils]: 36 out of 40 variables were initially zero. Simplification set additionally 0 variables to zero. [2019-11-15 22:07:58,755 INFO L435 nArgumentSynthesizer]: Simplifying supporting invariants... [2019-11-15 22:07:58,759 INFO L438 nArgumentSynthesizer]: Removed 2 redundant supporting invariants from a total of 2. [2019-11-15 22:07:58,760 INFO L510 LassoAnalysis]: Proved termination. [2019-11-15 22:07:58,761 INFO L512 LassoAnalysis]: Termination argument consisting of: Ranking function f(ULTIMATE.start_glob2_~p~0.offset, ULTIMATE.start_glob2_~pathlim.offset) = -1*ULTIMATE.start_glob2_~p~0.offset + 1*ULTIMATE.start_glob2_~pathlim.offset + 2 Supporting invariants [] [2019-11-15 22:07:58,775 INFO L297 tatePredicateManager]: 3 out of 3 supporting invariants were superfluous and have been removed [2019-11-15 22:07:58,803 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:07:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:07:58,833 INFO L256 TraceCheckSpWp]: Trace formula consists of 47 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 22:07:58,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:07:58,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:07:58,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 21 conjuncts, 4 conjunts are in the unsatisfiable core [2019-11-15 22:07:58,858 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:07:58,871 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:07:58,888 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 [2019-11-15 22:07:58,889 INFO L72 iDifferenceNCSBLazy3]: Start buchiDifferenceNCSBLazy3. First operand 13 states. Second operand 4 states. [2019-11-15 22:07:58,942 INFO L76 iDifferenceNCSBLazy3]: Finished buchiDifferenceNCSBLazy3. First operand 13 states.. Second operand 4 states. Result 35 states and 41 transitions. Complement of second has 7 states. [2019-11-15 22:07:58,943 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 [2019-11-15 22:07:58,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4 states. [2019-11-15 22:07:58,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5 states to 5 states and 28 transitions. [2019-11-15 22:07:58,947 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 5 letters. [2019-11-15 22:07:58,948 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:07:58,948 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 7 letters. Loop has 5 letters. [2019-11-15 22:07:58,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:07:58,949 INFO L84 BuchiAccepts]: Start buchiAccepts Operand 5 states and 28 transitions. Stem has 2 letters. Loop has 10 letters. [2019-11-15 22:07:58,949 INFO L116 BuchiAccepts]: Finished buchiAccepts. [2019-11-15 22:07:58,950 INFO L82 GeneralOperation]: Start removeNonLiveStates. Operand 35 states and 41 transitions. [2019-11-15 22:07:58,953 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 22:07:58,956 INFO L88 GeneralOperation]: Finished removeNonLiveStates. Reduced from 35 states to 0 states and 0 transitions. [2019-11-15 22:07:58,957 INFO L87 BuchiClosureNwa]: Accepting states before buchiClosure: 0 [2019-11-15 22:07:58,957 INFO L106 BuchiClosureNwa]: Accepting states after buchiClosure: 0 [2019-11-15 22:07:58,958 INFO L73 IsDeterministic]: Start isDeterministic. Operand 0 states and 0 transitions. [2019-11-15 22:07:58,958 INFO L80 IsDeterministic]: Finished isDeterministic. Operand is deterministic. [2019-11-15 22:07:58,958 INFO L688 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:07:58,958 INFO L711 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:07:58,959 INFO L591 BuchiCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:07:58,959 INFO L424 BuchiCegarLoop]: ======== Iteration 2============ [2019-11-15 22:07:58,959 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:07:58,959 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-11-15 22:07:58,959 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-11-15 22:07:58,965 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 15.11 10:07:58 BoogieIcfgContainer [2019-11-15 22:07:58,966 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-11-15 22:07:58,966 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:07:58,966 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:07:58,967 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:07:58,967 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:07:56" (3/4) ... [2019-11-15 22:07:58,970 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-11-15 22:07:58,971 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:07:58,973 INFO L168 Benchmark]: Toolchain (without parser) took 3210.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 944.7 MB in the beginning and 914.7 MB in the end (delta: 30.0 MB). Peak memory consumption was 191.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:07:58,973 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:07:58,974 INFO L168 Benchmark]: CACSL2BoogieTranslator took 311.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -207.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-11-15 22:07:58,975 INFO L168 Benchmark]: Boogie Procedure Inliner took 37.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:07:58,975 INFO L168 Benchmark]: Boogie Preprocessor took 38.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:07:58,976 INFO L168 Benchmark]: RCFGBuilder took 357.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:07:58,976 INFO L168 Benchmark]: BuchiAutomizer took 2454.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 914.7 MB in the end (delta: 215.0 MB). Peak memory consumption was 215.0 MB. Max. memory is 11.5 GB. [2019-11-15 22:07:58,977 INFO L168 Benchmark]: Witness Printer took 4.49 ms. Allocated memory is still 1.2 GB. Free memory is still 914.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:07:58,980 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 311.32 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.0 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -207.8 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 37.23 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 357.77 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 22.8 MB). Peak memory consumption was 22.8 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 2454.92 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 914.7 MB in the end (delta: 215.0 MB). Peak memory consumption was 215.0 MB. Max. memory is 11.5 GB. * Witness Printer took 4.49 ms. Allocated memory is still 1.2 GB. Free memory is still 914.7 MB. 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 -1 * p + pathlim + 2 and consists of 5 locations. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 2.3s and 2 iterations. TraceHistogramMax:1. Analysis of lassos took 2.0s. 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: 9 SDtfs, 10 SDslu, 12 SDs, 0 SdLazy, 8 SolverSat, 2 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso1 LassoPreprocessingBenchmarks: Lassos: inital145 mio100 ax100 hnf100 lsp95 ukn94 mio100 lsp55 div100 bol100 ite110 ukn100 eq191 hnf89 smp84 dnf107 smp100 tf100 neg98 sie106 LassoTerminationAnalysisBenchmarks: ConstraintsSatisfiability: unsat Degree: 0 Time: 143ms VariablesStem: 9 VariablesLoop: 5 DisjunctsStem: 2 DisjunctsLoop: 1 SupportingInvariants: 2 MotzkinApplications: 8 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...