./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive-simple/id_b3_o5-2.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/recursive-simple/id_b3_o5-2.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 8d39666f7b9e3c393826226f879477647e7209cc ................................................................................................................................................................................................................................................................................ 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 03:07:33,634 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 03:07:33,636 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 03:07:33,649 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 03:07:33,650 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 03:07:33,651 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 03:07:33,653 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 03:07:33,655 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 03:07:33,657 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 03:07:33,658 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 03:07:33,659 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 03:07:33,660 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 03:07:33,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 03:07:33,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 03:07:33,663 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 03:07:33,664 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 03:07:33,665 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 03:07:33,666 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 03:07:33,668 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 03:07:33,670 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 03:07:33,672 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 03:07:33,678 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 03:07:33,680 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 03:07:33,681 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 03:07:33,686 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 03:07:33,688 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 03:07:33,688 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 03:07:33,689 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 03:07:33,690 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 03:07:33,692 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 03:07:33,692 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 03:07:33,693 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 03:07:33,696 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 03:07:33,697 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 03:07:33,700 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 03:07:33,702 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 03:07:33,703 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 03:07:33,704 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 03:07:33,704 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 03:07:33,705 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 03:07:33,707 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 03:07:33,708 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 03:07:33,749 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 03:07:33,750 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 03:07:33,753 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 03:07:33,754 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 03:07:33,755 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 03:07:33,757 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 03:07:33,758 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 03:07:33,758 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 03:07:33,758 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 03:07:33,758 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 03:07:33,759 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 03:07:33,759 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 03:07:33,759 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 03:07:33,760 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 03:07:33,760 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 03:07:33,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 03:07:33,763 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 03:07:33,763 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 03:07:33,763 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 03:07:33,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 03:07:33,764 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 03:07:33,764 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 03:07:33,764 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 03:07:33,765 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 03:07:33,765 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 03:07:33,765 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 03:07:33,767 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 03:07:33,767 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 03:07:33,767 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 03:07:33,768 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 03:07:33,769 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 03:07:33,769 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 03:07:33,771 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 03:07:33,772 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 -> 8d39666f7b9e3c393826226f879477647e7209cc [2020-07-29 03:07:34,094 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 03:07:34,108 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 03:07:34,112 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 03:07:34,114 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 03:07:34,114 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 03:07:34,115 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2020-07-29 03:07:34,181 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639445e2d/cd80eac542d74e45a77164b4b5d60952/FLAG4ab51cf84 [2020-07-29 03:07:34,654 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 03:07:34,655 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b3_o5-2.c [2020-07-29 03:07:34,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639445e2d/cd80eac542d74e45a77164b4b5d60952/FLAG4ab51cf84 [2020-07-29 03:07:35,028 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/639445e2d/cd80eac542d74e45a77164b4b5d60952 [2020-07-29 03:07:35,032 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 03:07:35,035 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 03:07:35,038 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 03:07:35,038 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 03:07:35,042 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 03:07:35,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:07:35" (1/1) ... [2020-07-29 03:07:35,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4a2e7d9b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:35, skipping insertion in model container [2020-07-29 03:07:35,048 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:07:35" (1/1) ... [2020-07-29 03:07:35,055 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 03:07:35,073 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 03:07:35,264 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:07:35,269 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 03:07:35,286 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:07:35,301 INFO L208 MainTranslator]: Completed translation [2020-07-29 03:07:35,302 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:35 WrapperNode [2020-07-29 03:07:35,302 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 03:07:35,306 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 03:07:35,306 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 03:07:35,307 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 03:07:35,316 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:35" (1/1) ... [2020-07-29 03:07:35,323 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:35" (1/1) ... [2020-07-29 03:07:35,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 03:07:35,400 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 03:07:35,400 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 03:07:35,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 03:07:35,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:35" (1/1) ... [2020-07-29 03:07:35,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:35" (1/1) ... [2020-07-29 03:07:35,415 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:35" (1/1) ... [2020-07-29 03:07:35,415 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:35" (1/1) ... [2020-07-29 03:07:35,417 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:35" (1/1) ... [2020-07-29 03:07:35,419 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:35" (1/1) ... [2020-07-29 03:07:35,420 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:35" (1/1) ... [2020-07-29 03:07:35,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 03:07:35,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 03:07:35,422 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 03:07:35,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 03:07:35,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:35" (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 03:07:35,477 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 03:07:35,478 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 03:07:35,478 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-07-29 03:07:35,478 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-07-29 03:07:35,694 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 03:07:35,695 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 03:07:35,699 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:07:35 BoogieIcfgContainer [2020-07-29 03:07:35,699 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 03:07:35,700 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 03:07:35,700 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 03:07:35,704 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 03:07:35,705 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:07:35,706 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 03:07:35" (1/3) ... [2020-07-29 03:07:35,707 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b7bb2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:07:35, skipping insertion in model container [2020-07-29 03:07:35,707 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:07:35,708 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:35" (2/3) ... [2020-07-29 03:07:35,708 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@2b7bb2c5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 03:07:35, skipping insertion in model container [2020-07-29 03:07:35,708 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:07:35,709 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:07:35" (3/3) ... [2020-07-29 03:07:35,711 INFO L371 chiAutomizerObserver]: Analyzing ICFG id_b3_o5-2.c [2020-07-29 03:07:35,779 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 03:07:35,780 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 03:07:35,780 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 03:07:35,780 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 03:07:35,781 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 03:07:35,781 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 03:07:35,781 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 03:07:35,781 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 03:07:35,802 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 03:07:35,889 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:35,890 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:35,890 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:35,897 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:07:35,897 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:07:35,898 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 03:07:35,898 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 03:07:35,903 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:35,903 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:35,904 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:35,904 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:07:35,904 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:07:35,914 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~ret2, main_~input~0, main_~result~0;main_~input~0 := main_#t~nondet1;havoc main_#t~nondet1; 13#L13true call main_#t~ret2 := id(main_~input~0);< 10#idENTRYtrue [2020-07-29 03:07:35,915 INFO L796 eck$LassoCheckResult]: Loop: 10#idENTRYtrue ~x := #in~x; 14#L5true assume !(0 == ~x); 11#L6true call #t~ret0 := id((if (~x - 1) % 4294967296 % 4294967296 <= 2147483647 then (~x - 1) % 4294967296 % 4294967296 else (~x - 1) % 4294967296 % 4294967296 - 4294967296));< 10#idENTRYtrue [2020-07-29 03:07:35,922 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:35,922 INFO L82 PathProgramCache]: Analyzing trace with hash 1018, now seen corresponding path program 1 times [2020-07-29 03:07:35,933 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:07:35,934 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [12720388] [2020-07-29 03:07:35,934 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:07:35,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:35,996 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:36,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:36,000 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:36,016 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:07:36,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:36,017 INFO L82 PathProgramCache]: Analyzing trace with hash 43831, now seen corresponding path program 1 times [2020-07-29 03:07:36,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:07:36,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1220265666] [2020-07-29 03:07:36,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:07:36,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:36,057 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:36,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:36,075 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:36,077 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.model.Model.map(Model.java:227) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.add(ModelBuilder.java:123) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.fillInFunctions(ModelBuilder.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.ModelBuilder.(ModelBuilder.java:49) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.cclosure.CClosure.fillInModel(CClosure.java:1312) at de.uni_freiburg.informatik.ultimate.smtinterpol.model.Model.(Model.java:120) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.buildModel(SMTInterpol.java:1139) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getValue(SMTInterpol.java:1004) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.getValue(WrapperScript.java:193) at de.uni_freiburg.informatik.ultimate.lib.smtlibutils.SmtUtils.getValues(SmtUtils.java:2112) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.getValue(TraceCheck.java:401) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.lambda$0(TraceCheck.java:375) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecution(TraceCheck.java:384) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:343) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:223) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.computeRcfgProgramExecutionAndDecodeBranches(TraceCheck.java:337) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:223) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheck.(InterpolatingTraceCheck.java:90) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:89) 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$LassoCheckResult.checkLoopFeasibility(LassoCheck.java:890) at de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.LassoCheck$LassoCheckResult.(LassoCheck.java:809) 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 03:07:36,084 INFO L168 Benchmark]: Toolchain (without parser) took 1049.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 954.9 MB in the beginning and 1.1 GB in the end (delta: -133.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:07:36,085 INFO L168 Benchmark]: CDTParser took 0.29 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 03:07:36,086 INFO L168 Benchmark]: CACSL2BoogieTranslator took 264.89 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 942.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:36,087 INFO L168 Benchmark]: Boogie Procedure Inliner took 93.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 942.8 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:36,088 INFO L168 Benchmark]: Boogie Preprocessor took 20.77 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 03:07:36,089 INFO L168 Benchmark]: RCFGBuilder took 277.94 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: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:36,090 INFO L168 Benchmark]: BuchiAutomizer took 380.49 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: 20.0 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:36,095 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 0.29 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 264.89 ms. Allocated memory is still 1.0 GB. Free memory was 954.9 MB in the beginning and 942.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 93.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 942.8 MB in the beginning and 1.1 GB in the end (delta: -185.2 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 20.77 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 277.94 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: 19.5 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 380.49 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: 20.0 MB). Peak memory consumption was 20.0 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.model.Model.map(Model.java:227) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...