./Ultimate.py --spec ../../sv-benchmarks/c/properties/termination.prp --file ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version a4ecdabc Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_79da7cf2-d8a7-4d57-875b-46739197e521/bin/uautomizer/data/config -Xmx15G -Xms4m -jar /tmp/vcloud-vcloud-master/worker/run_dir_79da7cf2-d8a7-4d57-875b-46739197e521/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_79da7cf2-d8a7-4d57-875b-46739197e521/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_79da7cf2-d8a7-4d57-875b-46739197e521/bin/uautomizer/config/AutomizerTermination.xml -i ../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c -s /tmp/vcloud-vcloud-master/worker/run_dir_79da7cf2-d8a7-4d57-875b-46739197e521/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_79da7cf2-d8a7-4d57-875b-46739197e521/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 3cf66c963cee9d423d7bbfded96bc288d1ae256e ................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-a4ecdab [2020-11-29 20:13:02,475 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-11-29 20:13:02,486 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-11-29 20:13:02,556 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-11-29 20:13:02,557 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-11-29 20:13:02,564 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-11-29 20:13:02,573 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-11-29 20:13:02,575 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-11-29 20:13:02,583 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-11-29 20:13:02,584 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-11-29 20:13:02,585 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-11-29 20:13:02,586 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-11-29 20:13:02,587 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-11-29 20:13:02,588 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-11-29 20:13:02,590 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-11-29 20:13:02,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-11-29 20:13:02,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-11-29 20:13:02,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-11-29 20:13:02,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-11-29 20:13:02,600 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-11-29 20:13:02,602 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-11-29 20:13:02,604 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-11-29 20:13:02,606 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-11-29 20:13:02,607 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-11-29 20:13:02,611 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-11-29 20:13:02,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-11-29 20:13:02,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-11-29 20:13:02,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-11-29 20:13:02,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-11-29 20:13:02,616 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-11-29 20:13:02,617 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-11-29 20:13:02,618 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-11-29 20:13:02,619 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-11-29 20:13:02,620 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-11-29 20:13:02,622 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-11-29 20:13:02,623 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-11-29 20:13:02,624 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-11-29 20:13:02,624 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-11-29 20:13:02,625 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-11-29 20:13:02,626 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-11-29 20:13:02,628 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-11-29 20:13:02,629 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_79da7cf2-d8a7-4d57-875b-46739197e521/bin/uautomizer/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-11-29 20:13:02,661 INFO L113 SettingsManager]: Loading preferences was successful [2020-11-29 20:13:02,662 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-11-29 20:13:02,664 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-11-29 20:13:02,664 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-11-29 20:13:02,664 INFO L138 SettingsManager]: * Use SBE=true [2020-11-29 20:13:02,665 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-11-29 20:13:02,665 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-11-29 20:13:02,666 INFO L138 SettingsManager]: * Use old map elimination=false [2020-11-29 20:13:02,666 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-11-29 20:13:02,666 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-11-29 20:13:02,667 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-11-29 20:13:02,667 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-11-29 20:13:02,667 INFO L138 SettingsManager]: * sizeof long=4 [2020-11-29 20:13:02,668 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-11-29 20:13:02,668 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-11-29 20:13:02,668 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-11-29 20:13:02,668 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-11-29 20:13:02,669 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-11-29 20:13:02,669 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-11-29 20:13:02,669 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-11-29 20:13:02,670 INFO L138 SettingsManager]: * sizeof long double=12 [2020-11-29 20:13:02,670 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-11-29 20:13:02,670 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-11-29 20:13:02,671 INFO L138 SettingsManager]: * Use constant arrays=true [2020-11-29 20:13:02,671 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-11-29 20:13:02,671 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-11-29 20:13:02,672 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-11-29 20:13:02,672 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-11-29 20:13:02,673 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-11-29 20:13:02,673 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-11-29 20:13:02,673 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-11-29 20:13:02,674 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-11-29 20:13:02,675 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-11-29 20:13:02,675 INFO L138 SettingsManager]: * TransformationType=MODULO_NEIGHBOR WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud-vcloud-master/worker/run_dir_79da7cf2-d8a7-4d57-875b-46739197e521/bin/uautomizer/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_79da7cf2-d8a7-4d57-875b-46739197e521/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(F end) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3cf66c963cee9d423d7bbfded96bc288d1ae256e [2020-11-29 20:13:02,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-11-29 20:13:02,962 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-11-29 20:13:02,966 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-11-29 20:13:02,967 INFO L271 PluginConnector]: Initializing CDTParser... [2020-11-29 20:13:02,968 INFO L275 PluginConnector]: CDTParser initialized [2020-11-29 20:13:02,969 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_79da7cf2-d8a7-4d57-875b-46739197e521/bin/uautomizer/../../sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2020-11-29 20:13:03,061 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_79da7cf2-d8a7-4d57-875b-46739197e521/bin/uautomizer/data/a4ba17588/b942798e63734776b2dbb01e3c15056f/FLAGd7c7c7291 [2020-11-29 20:13:03,556 INFO L306 CDTParser]: Found 1 translation units. [2020-11-29 20:13:03,557 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_79da7cf2-d8a7-4d57-875b-46739197e521/sv-benchmarks/c/floats-cbmc-regression/float-no-simp1.c [2020-11-29 20:13:03,562 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_79da7cf2-d8a7-4d57-875b-46739197e521/bin/uautomizer/data/a4ba17588/b942798e63734776b2dbb01e3c15056f/FLAGd7c7c7291 [2020-11-29 20:13:03,930 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_79da7cf2-d8a7-4d57-875b-46739197e521/bin/uautomizer/data/a4ba17588/b942798e63734776b2dbb01e3c15056f [2020-11-29 20:13:03,933 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-11-29 20:13:03,934 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-11-29 20:13:03,939 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-11-29 20:13:03,940 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-11-29 20:13:03,943 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-11-29 20:13:03,944 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:13:03" (1/1) ... [2020-11-29 20:13:03,946 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e381d11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:03, skipping insertion in model container [2020-11-29 20:13:03,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.11 08:13:03" (1/1) ... [2020-11-29 20:13:03,955 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-11-29 20:13:03,971 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-11-29 20:13:04,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:13:04,184 INFO L203 MainTranslator]: Completed pre-run [2020-11-29 20:13:04,197 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-11-29 20:13:04,210 INFO L208 MainTranslator]: Completed translation [2020-11-29 20:13:04,210 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:04 WrapperNode [2020-11-29 20:13:04,211 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-11-29 20:13:04,212 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-11-29 20:13:04,212 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-11-29 20:13:04,212 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-11-29 20:13:04,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:04" (1/1) ... [2020-11-29 20:13:04,229 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:04" (1/1) ... [2020-11-29 20:13:04,246 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-11-29 20:13:04,247 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-11-29 20:13:04,247 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-11-29 20:13:04,248 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-11-29 20:13:04,257 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:04" (1/1) ... [2020-11-29 20:13:04,257 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:04" (1/1) ... [2020-11-29 20:13:04,258 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:04" (1/1) ... [2020-11-29 20:13:04,259 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:04" (1/1) ... [2020-11-29 20:13:04,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:04" (1/1) ... [2020-11-29 20:13:04,264 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:04" (1/1) ... [2020-11-29 20:13:04,266 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:04" (1/1) ... [2020-11-29 20:13:04,267 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-11-29 20:13:04,268 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-11-29 20:13:04,269 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-11-29 20:13:04,269 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-11-29 20:13:04,270 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_79da7cf2-d8a7-4d57-875b-46739197e521/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 [2020-11-29 20:13:04,339 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-11-29 20:13:04,339 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-11-29 20:13:04,341 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-11-29 20:13:04,342 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-11-29 20:13:04,580 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-11-29 20:13:04,580 INFO L298 CfgBuilder]: Removed 6 assume(true) statements. [2020-11-29 20:13:04,582 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:13:04 BoogieIcfgContainer [2020-11-29 20:13:04,582 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-11-29 20:13:04,583 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-11-29 20:13:04,583 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-11-29 20:13:04,587 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-11-29 20:13:04,588 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:13:04,589 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.11 08:13:03" (1/3) ... [2020-11-29 20:13:04,602 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4318c6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:13:04, skipping insertion in model container [2020-11-29 20:13:04,602 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:13:04,603 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.11 08:13:04" (2/3) ... [2020-11-29 20:13:04,603 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@4318c6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.11 08:13:04, skipping insertion in model container [2020-11-29 20:13:04,603 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-11-29 20:13:04,604 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:13:04" (3/3) ... [2020-11-29 20:13:04,605 INFO L373 chiAutomizerObserver]: Analyzing ICFG float-no-simp1.c [2020-11-29 20:13:04,676 INFO L359 BuchiCegarLoop]: Interprodecural is true [2020-11-29 20:13:04,676 INFO L360 BuchiCegarLoop]: Hoare is false [2020-11-29 20:13:04,676 INFO L361 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-11-29 20:13:04,676 INFO L362 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-11-29 20:13:04,677 INFO L363 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-11-29 20:13:04,677 INFO L364 BuchiCegarLoop]: Difference is false [2020-11-29 20:13:04,677 INFO L365 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-11-29 20:13:04,677 INFO L368 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-11-29 20:13:04,691 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 7 states. [2020-11-29 20:13:04,721 INFO L131 ngComponentsAnalysis]: Automaton has 0 accepting balls. 0 [2020-11-29 20:13:04,721 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is true [2020-11-29 20:13:04,726 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer CFG 29.11 08:13:04 BoogieIcfgContainer [2020-11-29 20:13:04,726 INFO L132 PluginConnector]: ------------------------ END BuchiAutomizer---------------------------- [2020-11-29 20:13:04,727 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-11-29 20:13:04,727 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-11-29 20:13:04,727 INFO L275 PluginConnector]: Witness Printer initialized [2020-11-29 20:13:04,728 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.11 08:13:04" (3/4) ... [2020-11-29 20:13:04,731 INFO L140 WitnessPrinter]: No result that supports witness generation found [2020-11-29 20:13:04,731 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-11-29 20:13:04,753 INFO L168 Benchmark]: Toolchain (without parser) took 810.73 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 49.3 MB in the beginning and 59.9 MB in the end (delta: -10.6 MB). Peak memory consumption was 3.5 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:04,754 INFO L168 Benchmark]: CDTParser took 0.82 ms. Allocated memory is still 81.8 MB. Free memory was 54.4 MB in the beginning and 54.4 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:13:04,756 INFO L168 Benchmark]: CACSL2BoogieTranslator took 271.73 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 49.1 MB in the beginning and 77.7 MB in the end (delta: -28.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:04,757 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.72 ms. Allocated memory is still 98.6 MB. Free memory was 77.7 MB in the beginning and 76.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:13:04,758 INFO L168 Benchmark]: Boogie Preprocessor took 20.37 ms. Allocated memory is still 98.6 MB. Free memory was 76.3 MB in the beginning and 75.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:04,759 INFO L168 Benchmark]: RCFGBuilder took 313.91 ms. Allocated memory is still 98.6 MB. Free memory was 75.2 MB in the beginning and 65.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:04,760 INFO L168 Benchmark]: BuchiAutomizer took 142.80 ms. Allocated memory is still 98.6 MB. Free memory was 65.8 MB in the beginning and 60.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. [2020-11-29 20:13:04,760 INFO L168 Benchmark]: Witness Printer took 17.31 ms. Allocated memory is still 98.6 MB. Free memory is still 60.2 MB. There was no memory consumed. Max. memory is 16.1 GB. [2020-11-29 20:13:04,778 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.82 ms. Allocated memory is still 81.8 MB. Free memory was 54.4 MB in the beginning and 54.4 MB in the end (delta: 26.8 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 271.73 ms. Allocated memory was 81.8 MB in the beginning and 98.6 MB in the end (delta: 16.8 MB). Free memory was 49.1 MB in the beginning and 77.7 MB in the end (delta: -28.6 MB). Peak memory consumption was 7.6 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 34.72 ms. Allocated memory is still 98.6 MB. Free memory was 77.7 MB in the beginning and 76.3 MB in the end (delta: 1.4 MB). There was no memory consumed. Max. memory is 16.1 GB. * Boogie Preprocessor took 20.37 ms. Allocated memory is still 98.6 MB. Free memory was 76.3 MB in the beginning and 75.2 MB in the end (delta: 1.0 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * RCFGBuilder took 313.91 ms. Allocated memory is still 98.6 MB. Free memory was 75.2 MB in the beginning and 65.8 MB in the end (delta: 9.5 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * BuchiAutomizer took 142.80 ms. Allocated memory is still 98.6 MB. Free memory was 65.8 MB in the beginning and 60.6 MB in the end (delta: 5.2 MB). Peak memory consumption was 6.3 MB. Max. memory is 16.1 GB. * Witness Printer took 17.31 ms. Allocated memory is still 98.6 MB. Free memory is still 60.2 MB. There was no memory consumed. Max. memory is 16.1 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...