./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float22.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_b0c51f30-8e7b-40a3-a3a1-6e223dc09bfd/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_b0c51f30-8e7b-40a3-a3a1-6e223dc09bfd/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_b0c51f30-8e7b-40a3-a3a1-6e223dc09bfd/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_b0c51f30-8e7b-40a3-a3a1-6e223dc09bfd/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float22.i -s /tmp/vcloud-vcloud-master/worker/working_dir_b0c51f30-8e7b-40a3-a3a1-6e223dc09bfd/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_b0c51f30-8e7b-40a3-a3a1-6e223dc09bfd/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 08947af3b6f9b8a272faa540a059213a9b1de888 ................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:55:29,174 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:55:29,175 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:55:29,184 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:55:29,184 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:55:29,185 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:55:29,186 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:55:29,188 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:55:29,189 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:55:29,190 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:55:29,191 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:55:29,191 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:55:29,192 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:55:29,192 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:55:29,193 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:55:29,194 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:55:29,194 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:55:29,195 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:55:29,196 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:55:29,198 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:55:29,199 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:55:29,199 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:55:29,200 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:55:29,201 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:55:29,203 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:55:29,203 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:55:29,203 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:55:29,204 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:55:29,204 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:55:29,205 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:55:29,205 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:55:29,206 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:55:29,206 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:55:29,207 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:55:29,208 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:55:29,208 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:55:29,208 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:55:29,209 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:55:29,209 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:55:29,209 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:55:29,210 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:55:29,211 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_b0c51f30-8e7b-40a3-a3a1-6e223dc09bfd/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2019-10-22 08:55:29,227 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:55:29,227 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:55:29,228 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:55:29,228 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:55:29,228 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:55:29,228 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2019-10-22 08:55:29,229 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2019-10-22 08:55:29,229 INFO L138 SettingsManager]: * Use old map elimination=false [2019-10-22 08:55:29,229 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2019-10-22 08:55:29,229 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2019-10-22 08:55:29,229 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2019-10-22 08:55:29,230 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:55:29,230 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:55:29,230 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-10-22 08:55:29,230 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:55:29,230 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:55:29,230 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:55:29,231 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2019-10-22 08:55:29,231 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2019-10-22 08:55:29,231 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2019-10-22 08:55:29,231 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:55:29,231 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:55:29,231 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2019-10-22 08:55:29,232 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:55:29,232 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2019-10-22 08:55:29,232 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:55:29,232 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:55:29,232 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2019-10-22 08:55:29,232 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:55:29,233 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:55:29,233 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2019-10-22 08:55:29,234 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2019-10-22 08:55:29,234 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_b0c51f30-8e7b-40a3-a3a1-6e223dc09bfd/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 -> 08947af3b6f9b8a272faa540a059213a9b1de888 [2019-10-22 08:55:29,257 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:55:29,266 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:55:29,269 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:55:29,270 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:55:29,271 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:55:29,271 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_b0c51f30-8e7b-40a3-a3a1-6e223dc09bfd/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float22.i [2019-10-22 08:55:29,334 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0c51f30-8e7b-40a3-a3a1-6e223dc09bfd/bin/uautomizer/data/856121c91/76ef344ff31947b8ab017a25d51c3752/FLAG63d5ea81f [2019-10-22 08:55:29,693 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:55:29,694 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_b0c51f30-8e7b-40a3-a3a1-6e223dc09bfd/sv-benchmarks/c/floats-cbmc-regression/float22.i [2019-10-22 08:55:29,699 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_b0c51f30-8e7b-40a3-a3a1-6e223dc09bfd/bin/uautomizer/data/856121c91/76ef344ff31947b8ab017a25d51c3752/FLAG63d5ea81f [2019-10-22 08:55:29,709 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_b0c51f30-8e7b-40a3-a3a1-6e223dc09bfd/bin/uautomizer/data/856121c91/76ef344ff31947b8ab017a25d51c3752 [2019-10-22 08:55:29,711 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:55:29,712 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:55:29,713 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:29,713 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:55:29,716 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:55:29,717 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:29" (1/1) ... [2019-10-22 08:55:29,719 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@68468750 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:29, skipping insertion in model container [2019-10-22 08:55:29,719 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:55:29" (1/1) ... [2019-10-22 08:55:29,726 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:55:29,748 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:55:29,950 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:29,955 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:55:29,984 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:55:30,003 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:55:30,004 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:30 WrapperNode [2019-10-22 08:55:30,004 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:55:30,005 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:30,005 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:55:30,005 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:55:30,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:30" (1/1) ... [2019-10-22 08:55:30,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:30" (1/1) ... [2019-10-22 08:55:30,051 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:55:30,052 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:55:30,052 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:55:30,052 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:55:30,061 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:30" (1/1) ... [2019-10-22 08:55:30,062 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:30" (1/1) ... [2019-10-22 08:55:30,066 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:30" (1/1) ... [2019-10-22 08:55:30,066 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:30" (1/1) ... [2019-10-22 08:55:30,080 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:30" (1/1) ... [2019-10-22 08:55:30,082 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:30" (1/1) ... [2019-10-22 08:55:30,084 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:30" (1/1) ... [2019-10-22 08:55:30,087 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:55:30,087 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:55:30,088 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:55:30,088 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:55:30,088 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_b0c51f30-8e7b-40a3-a3a1-6e223dc09bfd/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:1024 -smt2 -in -t:12000 [2019-10-22 08:55:30,158 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:55:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~real [2019-10-22 08:55:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:55:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure write~real [2019-10-22 08:55:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:55:30,159 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:55:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-10-22 08:55:30,159 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:55:30,673 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:55:30,674 INFO L284 CfgBuilder]: Removed 26 assume(true) statements. [2019-10-22 08:55:30,675 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:30 BoogieIcfgContainer [2019-10-22 08:55:30,675 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:55:30,676 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2019-10-22 08:55:30,676 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2019-10-22 08:55:30,679 INFO L275 PluginConnector]: BuchiAutomizer initialized [2019-10-22 08:55:30,680 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:55:30,680 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 22.10 08:55:29" (1/3) ... [2019-10-22 08:55:30,681 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11fa7ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:55:30, skipping insertion in model container [2019-10-22 08:55:30,681 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:55:30,682 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:55:30" (2/3) ... [2019-10-22 08:55:30,682 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@11fa7ecc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 22.10 08:55:30, skipping insertion in model container [2019-10-22 08:55:30,682 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2019-10-22 08:55:30,682 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:30" (3/3) ... [2019-10-22 08:55:30,684 INFO L371 chiAutomizerObserver]: Analyzing ICFG float22.i [2019-10-22 08:55:30,732 INFO L356 BuchiCegarLoop]: Interprodecural is true [2019-10-22 08:55:30,732 INFO L357 BuchiCegarLoop]: Hoare is false [2019-10-22 08:55:30,733 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2019-10-22 08:55:30,733 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:55:30,733 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:55:30,733 INFO L361 BuchiCegarLoop]: Difference is false [2019-10-22 08:55:30,733 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:55:30,733 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2019-10-22 08:55:30,749 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 24 states. [2019-10-22 08:55:30,773 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2019-10-22 08:55:30,773 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2019-10-22 08:55:30,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 22.10 08:55:30 BoogieIcfgContainer [2019-10-22 08:55:30,778 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2019-10-22 08:55:30,779 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:55:30,779 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:55:30,779 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:55:30,780 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:55:30" (3/4) ... [2019-10-22 08:55:30,783 INFO L140 WitnessPrinter]: No result that supports witness generation found [2019-10-22 08:55:30,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:55:30,786 INFO L168 Benchmark]: Toolchain (without parser) took 1072.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:30,786 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:30,787 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:30,788 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.70 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:30,788 INFO L168 Benchmark]: Boogie Preprocessor took 35.54 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:55:30,789 INFO L168 Benchmark]: RCFGBuilder took 587.65 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:30,790 INFO L168 Benchmark]: BuchiAutomizer took 102.90 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:30,792 INFO L168 Benchmark]: Witness Printer took 4.84 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:55:30,795 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 963.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 291.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.2 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -197.9 MB). Peak memory consumption was 23.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.70 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.54 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 587.65 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: 45.2 MB). Peak memory consumption was 45.2 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 102.90 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Witness Printer took 4.84 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: Constructed decomposition of program Trivial decomposition. There is no loop in your program. - StatisticsResult: Timing statistics BüchiAutomizer plugin needed 0.0s and 0 iterations. TraceHistogramMax:0. Analysis of lassos took 0.0s. Construction of modules took 0.0s. Büchi inclusion checks took 0.0s. Highest rank in rank-based complementation 0. Minimization of det autom 0. 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 -1 states and ocurred in iteration -1. Nontrivial modules had stage [0, 0, 0, 0, 0]. InterpolantCoveringCapabilityFinite: 0/0 InterpolantCoveringCapabilityBuchi: 0/0 HoareTripleCheckerStatistics: No data available LassoAnalysisResults: nont0 unkn0 SFLI0 SFLT0 conc0 concLT0 SILN0 SILU0 SILI0 SILT0 lasso0 LassoPreprocessingBenchmarks: LassoTerminationAnalysisBenchmarks: not availableLassoTerminationAnalysisBenchmarks: 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...