./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/sum02-1.c --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows 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/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/sum02-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-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(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 6bdf3d7283c8010b8178f4441a6a14e3308ae4a9 ...................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:25:23,955 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:25:23,957 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:25:23,970 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:25:23,970 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:25:23,972 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:25:23,973 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:25:23,975 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:25:23,977 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:25:23,978 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:25:23,979 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:25:23,985 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:25:23,986 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:25:23,987 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:25:23,990 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:25:23,993 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:25:23,994 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:25:23,995 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:25:24,000 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:25:24,002 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:25:24,004 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:25:24,005 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:25:24,006 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:25:24,007 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:25:24,009 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:25:24,009 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:25:24,010 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:25:24,011 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:25:24,011 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:25:24,012 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:25:24,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:25:24,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:25:24,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:25:24,015 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:25:24,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:25:24,016 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:25:24,017 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:25:24,017 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:25:24,017 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:25:24,018 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:25:24,019 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:25:24,020 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-07-29 01:25:24,035 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:25:24,035 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:25:24,036 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:25:24,036 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:25:24,037 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:25:24,037 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:25:24,037 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:25:24,037 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:25:24,037 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:25:24,038 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:25:24,038 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:25:24,038 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-29 01:25:24,038 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:25:24,039 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-29 01:25:24,039 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-07-29 01:25:24,039 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:25:24,039 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:25:24,039 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:25:24,040 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-29 01:25:24,040 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:25:24,040 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:25:24,040 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:25:24,040 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:25:24,041 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:25:24,041 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:25:24,041 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:25:24,041 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-29 01:25:24,042 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:25:24,042 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:25:24,042 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-29 01:25:24,043 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:25:24,043 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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(G ! overflow) ) 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 -> 6bdf3d7283c8010b8178f4441a6a14e3308ae4a9 [2020-07-29 01:25:24,397 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:25:24,410 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:25:24,414 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:25:24,415 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:25:24,416 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:25:24,416 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/sum02-1.c [2020-07-29 01:25:24,478 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a7116461/86b3d5bd8f31414189fc08323e0a4fa4/FLAG206c35858 [2020-07-29 01:25:24,936 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:25:24,936 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/sum02-1.c [2020-07-29 01:25:24,942 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a7116461/86b3d5bd8f31414189fc08323e0a4fa4/FLAG206c35858 [2020-07-29 01:25:25,368 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2a7116461/86b3d5bd8f31414189fc08323e0a4fa4 [2020-07-29 01:25:25,374 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:25:25,379 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:25:25,382 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:25:25,382 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:25:25,386 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:25:25,388 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:25:25" (1/1) ... [2020-07-29 01:25:25,391 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@685b4014 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:25, skipping insertion in model container [2020-07-29 01:25:25,391 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:25:25" (1/1) ... [2020-07-29 01:25:25,399 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:25:25,419 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:25:25,662 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:25:25,668 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:25:25,687 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:25:25,702 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:25:25,703 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:25 WrapperNode [2020-07-29 01:25:25,703 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:25:25,704 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:25:25,704 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:25:25,704 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:25:25,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:25" (1/1) ... [2020-07-29 01:25:25,718 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:25" (1/1) ... [2020-07-29 01:25:25,807 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:25:25,807 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:25:25,807 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:25:25,807 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:25:25,815 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:25" (1/1) ... [2020-07-29 01:25:25,815 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:25" (1/1) ... [2020-07-29 01:25:25,816 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:25" (1/1) ... [2020-07-29 01:25:25,816 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:25" (1/1) ... [2020-07-29 01:25:25,819 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:25" (1/1) ... [2020-07-29 01:25:25,823 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:25" (1/1) ... [2020-07-29 01:25:25,824 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:25" (1/1) ... [2020-07-29 01:25:25,825 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:25:25,826 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:25:25,826 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:25:25,826 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:25:25,827 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:25" (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:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:25:25,891 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:25:25,892 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:25:26,090 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:25:26,090 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 01:25:26,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:25:26 BoogieIcfgContainer [2020-07-29 01:25:26,094 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:25:26,096 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-29 01:25:26,096 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-29 01:25:26,099 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-29 01:25:26,099 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.07 01:25:25" (1/3) ... [2020-07-29 01:25:26,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca55336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:25:26, skipping insertion in model container [2020-07-29 01:25:26,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:25" (2/3) ... [2020-07-29 01:25:26,101 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2ca55336 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:25:26, skipping insertion in model container [2020-07-29 01:25:26,101 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:25:26" (3/3) ... [2020-07-29 01:25:26,103 INFO L109 eAbstractionObserver]: Analyzing ICFG sum02-1.c [2020-07-29 01:25:26,113 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-29 01:25:26,121 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-29 01:25:26,135 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-29 01:25:26,154 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-29 01:25:26,154 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-29 01:25:26,154 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-29 01:25:26,154 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:25:26,154 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:25:26,155 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-29 01:25:26,155 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:25:26,155 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-29 01:25:26,167 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states. [2020-07-29 01:25:26,174 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:25:26,177 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 9 states. [2020-07-29 01:25:26,241 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-29 01:25:26,242 INFO L268 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2020-07-29 01:25:26,242 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-29 01:25:26,242 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-29 01:25:26,242 INFO L268 CegarLoopResult]: For program point L12-2(lines 12 14) no Hoare annotation was computed. [2020-07-29 01:25:26,243 INFO L271 CegarLoopResult]: At program point L12-3(lines 12 14) the Hoare annotation is: true [2020-07-29 01:25:26,243 INFO L268 CegarLoopResult]: For program point L12-4(lines 12 14) no Hoare annotation was computed. [2020-07-29 01:25:26,243 INFO L268 CegarLoopResult]: For program point L4(lines 4 6) no Hoare annotation was computed. [2020-07-29 01:25:26,244 INFO L271 CegarLoopResult]: At program point L4-2(lines 1 16) the Hoare annotation is: true [2020-07-29 01:25:26,250 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-29 01:25:26,250 WARN L170 areAnnotationChecker]: L12-4 has no Hoare annotation [2020-07-29 01:25:26,251 WARN L170 areAnnotationChecker]: L12-4 has no Hoare annotation [2020-07-29 01:25:26,251 WARN L170 areAnnotationChecker]: L12-2 has no Hoare annotation [2020-07-29 01:25:26,251 WARN L170 areAnnotationChecker]: L12-4 has no Hoare annotation [2020-07-29 01:25:26,251 WARN L170 areAnnotationChecker]: L12-2 has no Hoare annotation [2020-07-29 01:25:26,252 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-29 01:25:26,252 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-29 01:25:26,252 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-29 01:25:26,252 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-29 01:25:26,253 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-29 01:25:26,253 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-29 01:25:26,263 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.07 01:25:26 BoogieIcfgContainer [2020-07-29 01:25:26,263 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-29 01:25:26,264 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:25:26,264 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:25:26,264 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:25:26,265 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:25:26" (3/4) ... [2020-07-29 01:25:26,270 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-29 01:25:26,290 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-07-29 01:25:26,291 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-29 01:25:26,385 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 01:25:26,386 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:25:26,389 INFO L168 Benchmark]: Toolchain (without parser) took 1011.60 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 962.9 MB in the beginning and 1.1 GB in the end (delta: -144.1 MB). Peak memory consumption was 4.3 MB. Max. memory is 11.5 GB. [2020-07-29 01:25:26,389 INFO L168 Benchmark]: CDTParser took 0.19 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 01:25:26,390 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.24 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 950.8 MB in the end (delta: 12.1 MB). Peak memory consumption was 12.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:25:26,391 INFO L168 Benchmark]: Boogie Procedure Inliner took 103.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:25:26,392 INFO L168 Benchmark]: Boogie Preprocessor took 18.27 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:25:26,392 INFO L168 Benchmark]: RCFGBuilder took 268.70 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:25:26,393 INFO L168 Benchmark]: TraceAbstraction took 167.85 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:25:26,394 INFO L168 Benchmark]: Witness Printer took 121.97 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:25:26,398 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 0.19 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 321.24 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 950.8 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 103.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 148.4 MB). Free memory was 950.8 MB in the beginning and 1.1 GB in the end (delta: -181.0 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 18.27 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 268.70 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 167.85 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Witness Printer took 121.97 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. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 9 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...