./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/loops/n.c11.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/loops/n.c11.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 f82cf7726c8201fc884c9fdb36548fce0440ab7f ........................................................................................................................................................................................................................................................................... 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 02:05:09,972 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 02:05:09,974 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 02:05:09,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 02:05:09,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 02:05:09,988 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 02:05:09,990 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 02:05:09,992 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 02:05:09,994 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 02:05:09,995 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 02:05:09,996 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 02:05:09,997 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 02:05:09,997 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 02:05:09,998 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 02:05:10,000 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 02:05:10,001 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 02:05:10,002 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 02:05:10,003 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 02:05:10,005 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 02:05:10,007 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 02:05:10,009 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 02:05:10,011 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 02:05:10,012 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 02:05:10,013 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 02:05:10,016 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 02:05:10,016 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 02:05:10,017 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 02:05:10,018 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 02:05:10,018 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 02:05:10,020 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 02:05:10,020 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 02:05:10,021 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 02:05:10,022 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 02:05:10,023 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 02:05:10,024 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 02:05:10,024 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 02:05:10,025 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 02:05:10,025 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 02:05:10,026 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 02:05:10,027 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 02:05:10,027 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 02:05:10,028 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 02:05:10,046 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 02:05:10,047 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 02:05:10,048 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 02:05:10,048 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 02:05:10,048 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 02:05:10,049 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 02:05:10,049 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 02:05:10,049 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 02:05:10,049 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 02:05:10,050 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 02:05:10,050 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 02:05:10,050 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 02:05:10,050 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 02:05:10,050 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 02:05:10,051 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 02:05:10,051 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 02:05:10,051 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 02:05:10,051 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 02:05:10,052 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 02:05:10,052 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 02:05:10,052 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 02:05:10,052 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 02:05:10,053 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 02:05:10,053 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 02:05:10,053 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 02:05:10,053 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 02:05:10,054 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 02:05:10,054 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 02:05:10,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 02:05:10,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 02:05:10,054 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 02:05:10,055 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 02:05:10,056 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 02:05:10,056 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 -> f82cf7726c8201fc884c9fdb36548fce0440ab7f [2020-07-29 02:05:10,378 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 02:05:10,400 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 02:05:10,404 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 02:05:10,406 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 02:05:10,408 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 02:05:10,410 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/loops/n.c11.c [2020-07-29 02:05:10,467 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fb7f3029/e8e7585f28aa4e589b911a4895c7d035/FLAG72e6741f7 [2020-07-29 02:05:10,864 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 02:05:10,865 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/loops/n.c11.c [2020-07-29 02:05:10,872 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fb7f3029/e8e7585f28aa4e589b911a4895c7d035/FLAG72e6741f7 [2020-07-29 02:05:11,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6fb7f3029/e8e7585f28aa4e589b911a4895c7d035 [2020-07-29 02:05:11,219 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 02:05:11,222 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 02:05:11,224 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 02:05:11,224 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 02:05:11,228 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 02:05:11,230 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:05:11" (1/1) ... [2020-07-29 02:05:11,233 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3c85538e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:11, skipping insertion in model container [2020-07-29 02:05:11,234 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 02:05:11" (1/1) ... [2020-07-29 02:05:11,242 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 02:05:11,264 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 02:05:11,427 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:05:11,431 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 02:05:11,447 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 02:05:11,462 INFO L208 MainTranslator]: Completed translation [2020-07-29 02:05:11,463 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:11 WrapperNode [2020-07-29 02:05:11,463 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 02:05:11,464 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 02:05:11,464 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 02:05:11,464 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 02:05:11,473 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:11" (1/1) ... [2020-07-29 02:05:11,479 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:11" (1/1) ... [2020-07-29 02:05:11,565 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 02:05:11,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 02:05:11,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 02:05:11,566 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 02:05:11,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:11" (1/1) ... [2020-07-29 02:05:11,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:11" (1/1) ... [2020-07-29 02:05:11,577 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:11" (1/1) ... [2020-07-29 02:05:11,577 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:11" (1/1) ... [2020-07-29 02:05:11,580 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:11" (1/1) ... [2020-07-29 02:05:11,586 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:11" (1/1) ... [2020-07-29 02:05:11,587 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:11" (1/1) ... [2020-07-29 02:05:11,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 02:05:11,589 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 02:05:11,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 02:05:11,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 02:05:11,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:11" (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 02:05:11,647 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 02:05:11,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 02:05:11,994 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 02:05:11,995 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 02:05:12,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:05:12 BoogieIcfgContainer [2020-07-29 02:05:12,000 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 02:05:12,001 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 02:05:12,002 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 02:05:12,006 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 02:05:12,007 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:05:12,007 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 02:05:11" (1/3) ... [2020-07-29 02:05:12,008 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52aa65b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:05:12, skipping insertion in model container [2020-07-29 02:05:12,008 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:05:12,008 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 02:05:11" (2/3) ... [2020-07-29 02:05:12,009 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@52aa65b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer AST 29.07 02:05:12, skipping insertion in model container [2020-07-29 02:05:12,009 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 02:05:12,009 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 02:05:12" (3/3) ... [2020-07-29 02:05:12,011 INFO L371 chiAutomizerObserver]: Analyzing ICFG n.c11.c [2020-07-29 02:05:12,093 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 02:05:12,093 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 02:05:12,093 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 02:05:12,093 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 02:05:12,093 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 02:05:12,093 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 02:05:12,094 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 02:05:12,094 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 02:05:12,128 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 02:05:12,152 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 02:05:12,152 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:05:12,152 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:05:12,157 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 02:05:12,157 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 02:05:12,157 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 02:05:12,158 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 11 states. [2020-07-29 02:05:12,160 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 02:05:12,160 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 02:05:12,160 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 02:05:12,161 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1] [2020-07-29 02:05:12,161 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 02:05:12,168 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~post1, main_#t~nondet0, main_~a~0, main_~len~0, main_~i~0;havoc main_~a~0;main_~len~0 := 0;havoc main_~i~0; 7#L19-2true [2020-07-29 02:05:12,169 INFO L796 eck$LassoCheckResult]: Loop: 7#L19-2true assume !!(0 != main_#t~nondet0 % 256);havoc main_#t~nondet0; 3#L21true assume 4 == main_~len~0 % 4294967296;main_~len~0 := 0; 11#L21-2true assume 0 <= (if main_~len~0 % 4294967296 % 4294967296 <= 2147483647 then main_~len~0 % 4294967296 % 4294967296 else main_~len~0 % 4294967296 % 4294967296 - 4294967296) && (if main_~len~0 % 4294967296 % 4294967296 <= 2147483647 then main_~len~0 % 4294967296 % 4294967296 else main_~len~0 % 4294967296 % 4294967296 - 4294967296) < 5;main_~a~0 := main_~a~0[(if main_~len~0 % 4294967296 % 4294967296 <= 2147483647 then main_~len~0 % 4294967296 % 4294967296 else main_~len~0 % 4294967296 % 4294967296 - 4294967296) := 0];main_#t~post1 := main_~len~0;main_~len~0 := 1 + main_#t~post1;havoc main_#t~post1; 7#L19-2true [2020-07-29 02:05:12,173 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:05:12,174 INFO L82 PathProgramCache]: Analyzing trace with hash 32, now seen corresponding path program 1 times [2020-07-29 02:05:12,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:05:12,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1570973118] [2020-07-29 02:05:12,183 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:05:12,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:05:12,248 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:05:12,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 02:05:12,251 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 02:05:12,270 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 02:05:12,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 02:05:12,272 INFO L82 PathProgramCache]: Analyzing trace with hash 39821, now seen corresponding path program 1 times [2020-07-29 02:05:12,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 02:05:12,272 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1788033306] [2020-07-29 02:05:12,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 02:05:12,353 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.theory.linar.TableauxRow.(TableauxRow.java:45) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.generateLinVar(LinArSolve.java:275) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.createEquality(LinArSolve.java:1974) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:83) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createAtom(EqualityProxy.java:165) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.getLiteral(EqualityProxy.java:186) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:109) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:1891) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:664) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1010) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1157) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:117) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:494) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:446) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.logic.WrapperScript.checkSat(WrapperScript.java:163) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.AnnotateAndAsserter.buildAnnotatedSsaAndAssertTerms(AnnotateAndAsserter.java:130) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.checkTrace(TraceCheck.java:295) at de.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.singletracecheck.TraceCheck.(TraceCheck.java:206) 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 02:05:12,359 INFO L168 Benchmark]: Toolchain (without parser) took 1136.92 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 957.6 MB in the beginning and 1.1 GB in the end (delta: -118.2 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2020-07-29 02:05:12,359 INFO L168 Benchmark]: CDTParser took 1.10 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 02:05:12,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 239.78 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 946.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 02:05:12,362 INFO L168 Benchmark]: Boogie Procedure Inliner took 101.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2020-07-29 02:05:12,363 INFO L168 Benchmark]: Boogie Preprocessor took 23.10 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 02:05:12,364 INFO L168 Benchmark]: RCFGBuilder took 411.33 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2020-07-29 02:05:12,365 INFO L168 Benchmark]: BuchiAutomizer took 353.48 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: 20.4 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2020-07-29 02:05:12,370 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 1.10 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 239.78 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 946.8 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 101.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -167.4 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.10 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 411.33 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: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 353.48 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: 20.4 MB). Peak memory consumption was 20.4 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.theory.linar.TableauxRow.(TableauxRow.java:45) RESULT: Ultimate could not prove your program: Toolchain returned no result. Received shutdown request...