./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for termination Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerTermination.xml -i ../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --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 eda9363b72d0c672baaac83eff113ab7b9d4035d .......................................................................................................................................................................................................................................................... Execution finished normally Using bit-precise analysis No suitable file found in config dir /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config using search string *Termination*32bit*_Bitvector*.epf No suitable settings file found using Termination*32bit*_Bitvector ERROR: UNSUPPORTED PROPERTY Writing output log to file Ultimate.log Result: ERROR: ExceptionOrErrorResult: AssertionError: null --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:42:16,829 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:42:16,834 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:42:16,850 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:42:16,850 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:42:16,851 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:42:16,853 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:42:16,855 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:42:16,857 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:42:16,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:42:16,860 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:42:16,861 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:42:16,862 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:42:16,863 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:42:16,864 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:42:16,866 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:42:16,867 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:42:16,869 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:42:16,871 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:42:16,873 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:42:16,875 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:42:16,877 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:42:16,878 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:42:16,880 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:42:16,882 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:42:16,883 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:42:16,883 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:42:16,884 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:42:16,885 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:42:16,886 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:42:16,886 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:42:16,887 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:42:16,888 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:42:16,889 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:42:16,890 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:42:16,891 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:42:16,891 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:42:16,892 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:42:16,892 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:42:16,893 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:42:16,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:42:16,895 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 01:42:16,913 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:42:16,914 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:42:16,915 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:42:16,915 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:42:16,916 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:42:16,916 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 01:42:16,916 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 01:42:16,917 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 01:42:16,917 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 01:42:16,917 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 01:42:16,917 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 01:42:16,918 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:42:16,918 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:42:16,918 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:42:16,919 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:42:16,919 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:42:16,919 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:42:16,920 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 01:42:16,920 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 01:42:16,920 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 01:42:16,920 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:42:16,921 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:42:16,921 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 01:42:16,921 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:42:16,922 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 01:42:16,922 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:42:16,922 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:42:16,923 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 01:42:16,923 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:42:16,923 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:42:16,923 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:42:16,924 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 01:42:16,925 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 01:42:16,925 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 -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux 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 -> eda9363b72d0c672baaac83eff113ab7b9d4035d [2020-07-29 01:42:17,247 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:42:17,261 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:42:17,265 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:42:17,267 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:42:17,268 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:42:17,269 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2020-07-29 01:42:17,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77931ed0a/dc2c0e14124f4cc98ca1fd1ff7fd8ba6/FLAG8720f6e81 [2020-07-29 01:42:17,898 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:42:17,898 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-2a.c.cil.c [2020-07-29 01:42:17,906 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77931ed0a/dc2c0e14124f4cc98ca1fd1ff7fd8ba6/FLAG8720f6e81 [2020-07-29 01:42:18,205 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/77931ed0a/dc2c0e14124f4cc98ca1fd1ff7fd8ba6 [2020-07-29 01:42:18,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:42:18,212 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:42:18,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:42:18,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:42:18,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:42:18,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:42:18" (1/1) ... [2020-07-29 01:42:18,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@42ca22ff and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:18, skipping insertion in model container [2020-07-29 01:42:18,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:42:18" (1/1) ... [2020-07-29 01:42:18,234 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:42:18,268 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:42:18,513 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:42:18,518 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:42:18,658 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:42:18,677 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:42:18,677 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:18 WrapperNode [2020-07-29 01:42:18,677 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:42:18,678 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:42:18,678 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:42:18,679 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:42:18,688 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:18" (1/1) ... [2020-07-29 01:42:18,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:18" (1/1) ... [2020-07-29 01:42:18,746 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:42:18,747 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:42:18,747 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:42:18,747 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:42:18,757 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:18" (1/1) ... [2020-07-29 01:42:18,757 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:18" (1/1) ... [2020-07-29 01:42:18,759 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:18" (1/1) ... [2020-07-29 01:42:18,760 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:18" (1/1) ... [2020-07-29 01:42:18,769 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:18" (1/1) ... [2020-07-29 01:42:18,780 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:18" (1/1) ... [2020-07-29 01:42:18,783 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:18" (1/1) ... [2020-07-29 01:42:18,787 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:42:18,788 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:42:18,788 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:42:18,788 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:42:18,789 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:18" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/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 [2020-07-29 01:42:18,873 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:42:18,874 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:42:19,724 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:42:19,724 INFO L295 CfgBuilder]: Removed 28 assume(true) statements. [2020-07-29 01:42:19,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:42:19 BoogieIcfgContainer [2020-07-29 01:42:19,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:42:19,729 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 01:42:19,729 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 01:42:19,733 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 01:42:19,734 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:42:19,734 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 01:42:18" (1/3) ... [2020-07-29 01:42:19,735 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@610202b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:42:19, skipping insertion in model container [2020-07-29 01:42:19,736 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:42:19,736 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:42:18" (2/3) ... [2020-07-29 01:42:19,736 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@610202b8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 01:42:19, skipping insertion in model container [2020-07-29 01:42:19,736 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 01:42:19,736 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:42:19" (3/3) ... [2020-07-29 01:42:19,738 INFO L371 chiAutomizerObserver]: Analyzing ICFG soft_float_1-2a.c.cil.c [2020-07-29 01:42:19,789 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 01:42:19,789 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 01:42:19,789 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 01:42:19,790 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:42:19,790 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:42:19,790 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 01:42:19,790 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:42:19,791 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 01:42:19,807 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states. [2020-07-29 01:42:19,851 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2020-07-29 01:42:19,852 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:42:19,852 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:42:19,858 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-29 01:42:19,858 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:42:19,858 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 01:42:19,858 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 88 states. [2020-07-29 01:42:19,872 INFO L131 ngComponentsAnalysis]: Automaton has 6 accepting balls. 18 [2020-07-29 01:42:19,873 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 01:42:19,873 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 01:42:19,873 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1, 1] [2020-07-29 01:42:19,873 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 01:42:19,882 INFO L794 eck$LassoCheckResult]: Stem: 41#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet0, main_#t~nondet1, main_#t~nondet2, main_#t~nondet3, main_#t~ret4, main_#t~ret5, main_#t~ret6, main_#t~ret7, main_~a~0, main_~ma~2, main_~ea~2, main_~b~0, main_~mb~2, main_~eb~2, main_~r_add~0, main_~zero~0, main_~sa~0, main_~sb~0, main_~tmp~2, main_~tmp___0~0, main_~tmp___1~0, main_~tmp___2~0, main_~tmp___3~0, main_~tmp___4~0, main_~tmp___5~0, main_~tmp___6~0, main_~tmp___7~0, main_~tmp___8~0, main_~tmp___9~0, main_~__retres23~0;havoc main_~a~0;main_~ma~2 := main_#t~nondet0;havoc main_#t~nondet0;main_~ea~2 := main_#t~nondet1;havoc main_#t~nondet1;havoc main_~b~0;main_~mb~2 := main_#t~nondet2;havoc main_#t~nondet2;main_~eb~2 := main_#t~nondet3;havoc main_#t~nondet3;havoc main_~r_add~0;havoc main_~zero~0;havoc main_~sa~0;havoc main_~sb~0;havoc main_~tmp~2;havoc main_~tmp___0~0;havoc main_~tmp___1~0;havoc main_~tmp___2~0;havoc main_~tmp___3~0;havoc main_~tmp___4~0;havoc main_~tmp___5~0;havoc main_~tmp___6~0;havoc main_~tmp___7~0;havoc main_~tmp___8~0;havoc main_~tmp___9~0;havoc main_~__retres23~0;base2flt_#in~m, base2flt_#in~e := 0, 0;havoc base2flt_#res;havoc base2flt_~m, base2flt_~e, base2flt_~res~0, base2flt_~__retres4~0;base2flt_~m := base2flt_#in~m;base2flt_~e := base2flt_#in~e;havoc base2flt_~res~0;havoc base2flt_~__retres4~0; 66#L20true assume !(0 == base2flt_~m % 4294967296); 26#L26true assume !(base2flt_~m % 4294967296 < 16777216); 47#L48-2true [2020-07-29 01:42:19,883 INFO L796 eck$LassoCheckResult]: Loop: 47#L48-2true assume !false; 60#L49true assume base2flt_~m % 4294967296 >= 33554432; 81#L50true assume !(base2flt_~e >= 127);base2flt_~e := 1 + base2flt_~e;base2flt_~m := base2flt_~m / 2; 47#L48-2true [2020-07-29 01:42:19,889 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 01:42:19,889 INFO L82 PathProgramCache]: Analyzing trace with hash 30973, now seen corresponding path program 1 times [2020-07-29 01:42:19,898 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 01:42:19,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1719558620] [2020-07-29 01:42:19,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 01:42:19,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-07-29 01:42:20,010 FATAL L? ?]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer has thrown an exception: java.lang.AssertionError at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) at de.uni_freiburg.informatik.ultimate.smtinterpol.proof.ProofTermGenerator.convert(ProofTermGenerator.java:150) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getProof(SMTInterpol.java:797) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:392) at de.uni_freiburg.informatik.ultimate.logic.NoopScript.getInterpolants(NoopScript.java:386) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getInterpolants(WrapperScript.java:337) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.ManagedScript.getInterpolants(ManagedScript.java:191) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:285) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:166) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:326) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:228) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:97) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:79) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleCraig.construct(IpTcStrategyModuleCraig.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.getOrConstruct(IpTcStrategyModuleBase.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.IpTcStrategyModuleBase.isCorrect(IpTcStrategyModuleBase.java:57) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.checkFeasibility(AutomatonFreeRefinementEngine.java:242) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.executeStrategy(AutomatonFreeRefinementEngine.java:166) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.AutomatonFreeRefinementEngine.(AutomatonFreeRefinementEngine.java:85) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:75) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkFeasibilityAndComputeInterpolants(LassoCheck.java:928) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.checkStemFeasibility(LassoCheck.java:883) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:797) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck.(LassoCheck.java:251) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiCegarLoop.iterate(BuchiCegarLoop.java:458) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.doTerminationAnalysis(BuchiAutomizerObserver.java:141) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver.finish(BuchiAutomizerObserver.java:380) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:317) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2020-07-29 01:42:20,016 INFO L168 Benchmark]: Toolchain (without parser) took 1804.88 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 954.9 MB in the beginning and 1.0 GB in the end (delta: -80.4 MB). Peak memory consumption was 50.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:20,016 INFO L168 Benchmark]: CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:42:20,017 INFO L168 Benchmark]: CACSL2BoogieTranslator took 464.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:20,018 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.30 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. [2020-07-29 01:42:20,019 INFO L168 Benchmark]: Boogie Preprocessor took 40.74 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:20,020 INFO L168 Benchmark]: RCFGBuilder took 940.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:20,021 INFO L168 Benchmark]: BuchiAutomizer took 283.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2020-07-29 01:42:20,025 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.38 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 464.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -165.2 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.30 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.74 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: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 940.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 64.7 MB). Peak memory consumption was 64.7 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 283.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: - ExceptionOrErrorResult: AssertionError: null de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer: AssertionError: null: de.uni_freiburg.informatik.ultimate.smtinterpol.proof.FixResolutionProof.fix(FixResolutionProof.java:191) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...