./Ultimate.py --spec ../sv-benchmarks/c/properties/termination.prp --file ../sv-benchmarks/c/recursive-simple/id_b3_o2-2.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_o2-2.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 3bf945356a28265a842df89cdbf40bfa9a223140 ................................................................................................................................................................................................................................................................................ 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 03:07:33,347 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 03:07:33,350 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 03:07:33,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 03:07:33,365 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 03:07:33,366 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 03:07:33,367 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 03:07:33,369 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 03:07:33,372 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 03:07:33,373 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 03:07:33,374 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 03:07:33,375 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 03:07:33,376 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 03:07:33,377 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 03:07:33,379 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 03:07:33,380 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 03:07:33,381 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 03:07:33,382 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 03:07:33,384 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 03:07:33,386 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 03:07:33,387 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 03:07:33,389 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 03:07:33,390 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 03:07:33,391 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 03:07:33,394 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 03:07:33,394 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 03:07:33,395 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 03:07:33,396 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 03:07:33,396 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 03:07:33,397 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 03:07:33,398 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 03:07:33,399 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 03:07:33,400 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 03:07:33,400 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 03:07:33,402 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 03:07:33,402 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 03:07:33,403 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 03:07:33,403 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 03:07:33,403 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 03:07:33,404 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 03:07:33,405 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 03:07:33,406 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Termination-32bit-Automizer_Default.epf [2020-07-29 03:07:33,424 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 03:07:33,424 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 03:07:33,425 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 03:07:33,426 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 03:07:33,426 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 03:07:33,426 INFO L136 SettingsManager]: Preferences of BuchiAutomizer differ from their defaults: [2020-07-29 03:07:33,426 INFO L138 SettingsManager]: * NCSB implementation=INTSET_LAZY3 [2020-07-29 03:07:33,427 INFO L138 SettingsManager]: * Use old map elimination=false [2020-07-29 03:07:33,427 INFO L138 SettingsManager]: * Use external solver (rank synthesis)=false [2020-07-29 03:07:33,427 INFO L138 SettingsManager]: * Use only trivial implications for array writes=true [2020-07-29 03:07:33,428 INFO L138 SettingsManager]: * Rank analysis=LINEAR_WITH_GUESSES [2020-07-29 03:07:33,428 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 03:07:33,428 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 03:07:33,429 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 03:07:33,429 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 03:07:33,429 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 03:07:33,429 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 03:07:33,430 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=ASSUME [2020-07-29 03:07:33,430 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=ASSUME [2020-07-29 03:07:33,430 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=ASSUME [2020-07-29 03:07:33,431 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 03:07:33,431 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 03:07:33,431 INFO L138 SettingsManager]: * Assume nondeterminstic values are in range=false [2020-07-29 03:07:33,431 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 03:07:33,432 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=ASSUME [2020-07-29 03:07:33,432 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 03:07:33,432 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 03:07:33,433 INFO L138 SettingsManager]: * To the following directory=/home/matthias/ultimate/dump [2020-07-29 03:07:33,433 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 03:07:33,433 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 03:07:33,433 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 03:07:33,434 INFO L138 SettingsManager]: * Dump automata to the following directory=/home/matthias/ultimate/dump/auto [2020-07-29 03:07:33,435 INFO L136 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2020-07-29 03:07:33,435 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 -> 3bf945356a28265a842df89cdbf40bfa9a223140 [2020-07-29 03:07:33,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 03:07:33,745 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 03:07:33,749 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 03:07:33,750 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 03:07:33,751 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 03:07:33,752 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_b3_o2-2.c [2020-07-29 03:07:33,814 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d65a78de/452f7d9c7f0144a3a805fbbd8e64bba1/FLAG7bf686ecb [2020-07-29 03:07:34,190 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 03:07:34,191 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_b3_o2-2.c [2020-07-29 03:07:34,199 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d65a78de/452f7d9c7f0144a3a805fbbd8e64bba1/FLAG7bf686ecb [2020-07-29 03:07:34,561 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2d65a78de/452f7d9c7f0144a3a805fbbd8e64bba1 [2020-07-29 03:07:34,565 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 03:07:34,568 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 03:07:34,569 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 03:07:34,570 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 03:07:34,576 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 03:07:34,579 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:07:34" (1/1) ... [2020-07-29 03:07:34,582 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17caec86 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:34, skipping insertion in model container [2020-07-29 03:07:34,582 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 03:07:34" (1/1) ... [2020-07-29 03:07:34,588 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 03:07:34,604 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 03:07:34,767 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:07:34,773 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 03:07:34,792 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 03:07:34,810 INFO L208 MainTranslator]: Completed translation [2020-07-29 03:07:34,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:34 WrapperNode [2020-07-29 03:07:34,811 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 03:07:34,812 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 03:07:34,812 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 03:07:34,812 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 03:07:34,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:34" (1/1) ... [2020-07-29 03:07:34,830 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:34" (1/1) ... [2020-07-29 03:07:34,853 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 03:07:34,854 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 03:07:34,854 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 03:07:34,855 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 03:07:34,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:34" (1/1) ... [2020-07-29 03:07:34,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:34" (1/1) ... [2020-07-29 03:07:34,930 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:34" (1/1) ... [2020-07-29 03:07:34,930 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:34" (1/1) ... [2020-07-29 03:07:34,933 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:34" (1/1) ... [2020-07-29 03:07:34,936 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:34" (1/1) ... [2020-07-29 03:07:34,938 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:34" (1/1) ... [2020-07-29 03:07:34,939 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 03:07:34,940 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 03:07:34,940 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 03:07:34,941 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 03:07:34,942 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:34" (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 03:07:35,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 03:07:35,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 03:07:35,024 INFO L130 BoogieDeclarations]: Found specification of procedure id [2020-07-29 03:07:35,024 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2020-07-29 03:07:35,350 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 03:07:35,350 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 03:07:35,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 03:07:35 BoogieIcfgContainer [2020-07-29 03:07:35,354 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 03:07:35,355 INFO L113 PluginConnector]: ------------------------BuchiAutomizer---------------------------- [2020-07-29 03:07:35,355 INFO L271 PluginConnector]: Initializing BuchiAutomizer... [2020-07-29 03:07:35,359 INFO L275 PluginConnector]: BuchiAutomizer initialized [2020-07-29 03:07:35,360 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:07:35,360 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "CDTParser AST 29.07 03:07:34" (1/3) ... [2020-07-29 03:07:35,362 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15a4fbb9 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 03:07:35,362 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:07:35,362 INFO L185 PluginConnector]: Executing the observer BuchiAutomizerObserver from plugin BuchiAutomizer for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 03:07:34" (2/3) ... [2020-07-29 03:07:35,363 INFO L205 PluginConnector]: Invalid model from BuchiAutomizer for observer de.uni_freiburg.informatik.ultimate.plugins.generator.buchiautomizer.BuchiAutomizerObserver@15a4fbb9 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 03:07:35,363 INFO L99 BuchiAutomizer]: Safety of program was proven or not checked, starting termination analysis [2020-07-29 03:07:35,363 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 03:07:35,365 INFO L371 chiAutomizerObserver]: Analyzing ICFG id_b3_o2-2.c [2020-07-29 03:07:35,422 INFO L356 BuchiCegarLoop]: Interprodecural is true [2020-07-29 03:07:35,423 INFO L357 BuchiCegarLoop]: Hoare is false [2020-07-29 03:07:35,423 INFO L358 BuchiCegarLoop]: Compute interpolants for ForwardPredicates [2020-07-29 03:07:35,423 INFO L359 BuchiCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 03:07:35,423 INFO L360 BuchiCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 03:07:35,423 INFO L361 BuchiCegarLoop]: Difference is false [2020-07-29 03:07:35,424 INFO L362 BuchiCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 03:07:35,424 INFO L365 BuchiCegarLoop]: ======== Iteration 0==of CEGAR loop == BuchiCegarLoop======== [2020-07-29 03:07:35,439 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 03:07:35,474 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:35,475 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:35,475 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:35,482 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:07:35,482 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:07:35,482 INFO L424 BuchiCegarLoop]: ======== Iteration 1============ [2020-07-29 03:07:35,483 INFO L72 BuchiIsEmpty]: Start buchiIsEmpty. Operand 15 states. [2020-07-29 03:07:35,487 INFO L131 ngComponentsAnalysis]: Automaton has 1 accepting balls. 3 [2020-07-29 03:07:35,487 INFO L87 BuchiIsEmpty]: Finished buchiIsEmpty Result is false [2020-07-29 03:07:35,487 INFO L119 BuchiIsEmpty]: Starting construction of run [2020-07-29 03:07:35,488 INFO L849 BuchiCegarLoop]: Counterexample stem histogram [1, 1] [2020-07-29 03:07:35,488 INFO L850 BuchiCegarLoop]: Counterexample loop histogram [1, 1, 1] [2020-07-29 03:07:35,497 INFO L794 eck$LassoCheckResult]: Stem: 5#ULTIMATE.startENTRYtrue havoc main_#res;havoc main_#t~nondet1, main_#t~ret2, main_~input~0, main_~result~0;main_~input~0 := main_#t~nondet1;havoc main_#t~nondet1; 13#L13true call main_#t~ret2 := id(main_~input~0);< 10#idENTRYtrue [2020-07-29 03:07:35,497 INFO L796 eck$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 03:07:35,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:35,504 INFO L82 PathProgramCache]: Analyzing trace with hash 1018, now seen corresponding path program 1 times [2020-07-29 03:07:35,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:07:35,516 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371481804] [2020-07-29 03:07:35,516 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:07:35,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:35,594 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:35,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:35,597 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:35,612 INFO L174 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2020-07-29 03:07:35,613 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-07-29 03:07:35,614 INFO L82 PathProgramCache]: Analyzing trace with hash 43831, now seen corresponding path program 1 times [2020-07-29 03:07:35,614 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2020-07-29 03:07:35,614 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923767027] [2020-07-29 03:07:35,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-07-29 03:07:35,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:35,652 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:35,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2020-07-29 03:07:35,667 INFO L221 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2020-07-29 03:07:35,668 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 03:07:35,675 INFO L168 Benchmark]: Toolchain (without parser) took 1107.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 957.5 MB in the beginning and 1.1 GB in the end (delta: -137.1 MB). Peak memory consumption was 5.5 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:35,676 INFO L168 Benchmark]: CDTParser took 0.26 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 03:07:35,677 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.74 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 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 03:07:35,678 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.27 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 03:07:35,679 INFO L168 Benchmark]: Boogie Preprocessor took 85.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:35,680 INFO L168 Benchmark]: RCFGBuilder took 413.76 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2020-07-29 03:07:35,681 INFO L168 Benchmark]: BuchiAutomizer took 317.42 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 03:07:35,685 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 0.26 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 241.74 ms. Allocated memory is still 1.0 GB. Free memory was 957.5 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 42.27 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 85.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -192.2 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 413.76 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: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. * BuchiAutomizer took 317.42 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...