./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id_o20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 30f4e4ab Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/recursive-simple/id_o20.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 d1286ba4e4f9d6c67aa5e4ab5d636bfd3afce4b1 ........................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-30f4e4a [2019-11-28 02:54:07,003 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:54:07,005 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:54:07,019 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:54:07,019 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:54:07,021 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:54:07,022 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:54:07,025 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:54:07,027 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:54:07,028 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:54:07,029 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:54:07,031 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:54:07,032 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:54:07,033 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:54:07,034 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:54:07,036 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:54:07,037 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:54:07,039 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:54:07,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:54:07,045 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:54:07,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:54:07,055 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:54:07,058 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:54:07,060 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:54:07,064 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:54:07,067 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:54:07,067 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:54:07,068 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:54:07,069 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:54:07,070 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:54:07,072 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:54:07,073 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:54:07,074 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:54:07,075 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:54:07,076 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:54:07,078 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:54:07,079 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:54:07,079 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:54:07,080 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:54:07,082 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:54:07,085 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:54:07,086 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-28 02:54:07,111 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:54:07,111 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:54:07,113 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:54:07,113 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:54:07,114 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:54:07,114 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:54:07,114 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:54:07,115 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:54:07,115 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:54:07,115 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:54:07,116 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:54:07,117 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 02:54:07,117 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:54:07,117 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 02:54:07,118 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-28 02:54:07,118 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:54:07,118 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 02:54:07,119 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:54:07,119 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 02:54:07,119 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:54:07,120 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:54:07,120 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:54:07,120 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:54:07,120 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:54:07,121 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:54:07,121 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:54:07,121 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 02:54:07,122 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:54:07,122 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:54:07,122 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 02:54:07,122 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 -> d1286ba4e4f9d6c67aa5e4ab5d636bfd3afce4b1 [2019-11-28 02:54:07,501 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:54:07,518 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:54:07,524 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:54:07,526 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:54:07,527 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:54:07,528 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_o20.c [2019-11-28 02:54:07,603 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd63ff76/64a39bfd1c624d23b4cd52211d3d7468/FLAGdf63ece2e [2019-11-28 02:54:08,069 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:54:08,070 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_o20.c [2019-11-28 02:54:08,076 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd63ff76/64a39bfd1c624d23b4cd52211d3d7468/FLAGdf63ece2e [2019-11-28 02:54:08,496 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fdd63ff76/64a39bfd1c624d23b4cd52211d3d7468 [2019-11-28 02:54:08,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:54:08,501 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 02:54:08,502 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:54:08,503 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:54:08,506 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:54:08,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:54:08" (1/1) ... [2019-11-28 02:54:08,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8488f33 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:08, skipping insertion in model container [2019-11-28 02:54:08,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:54:08" (1/1) ... [2019-11-28 02:54:08,519 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:54:08,541 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:54:08,752 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:54:08,759 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:54:08,779 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:54:08,797 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:54:08,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:08 WrapperNode [2019-11-28 02:54:08,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:54:08,799 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 02:54:08,799 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 02:54:08,799 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 02:54:08,811 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:08" (1/1) ... [2019-11-28 02:54:08,818 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:08" (1/1) ... [2019-11-28 02:54:08,915 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 02:54:08,916 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:54:08,916 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:54:08,916 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:54:08,928 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:08" (1/1) ... [2019-11-28 02:54:08,928 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:08" (1/1) ... [2019-11-28 02:54:08,929 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:08" (1/1) ... [2019-11-28 02:54:08,929 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:08" (1/1) ... [2019-11-28 02:54:08,932 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:08" (1/1) ... [2019-11-28 02:54:08,935 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:08" (1/1) ... [2019-11-28 02:54:08,936 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:08" (1/1) ... [2019-11-28 02:54:08,937 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:54:08,938 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:54:08,938 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:54:08,939 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:54:08,940 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:08" (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 [2019-11-28 02:54:09,012 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:54:09,013 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:54:09,014 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-11-28 02:54:09,014 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-11-28 02:54:09,175 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:54:09,180 INFO L297 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 02:54:09,181 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:54:09 BoogieIcfgContainer [2019-11-28 02:54:09,182 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:54:09,183 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:54:09,184 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:54:09,187 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:54:09,188 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:54:08" (1/3) ... [2019-11-28 02:54:09,189 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab65ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:54:09, skipping insertion in model container [2019-11-28 02:54:09,189 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:54:08" (2/3) ... [2019-11-28 02:54:09,190 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6ab65ccb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:54:09, skipping insertion in model container [2019-11-28 02:54:09,190 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:54:09" (3/3) ... [2019-11-28 02:54:09,193 INFO L109 eAbstractionObserver]: Analyzing ICFG id_o20.c [2019-11-28 02:54:09,203 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:54:09,208 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-28 02:54:09,219 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-28 02:54:09,243 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:54:09,243 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 02:54:09,243 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:54:09,243 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:54:09,244 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:54:09,244 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:54:09,244 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:54:09,244 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:54:09,261 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states. [2019-11-28 02:54:09,267 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 02:54:09,273 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 14 states. [2019-11-28 02:54:09,342 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 02:54:09,342 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 02:54:09,342 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 02:54:09,342 INFO L246 CegarLoopResult]: For program point L13(line 13) no Hoare annotation was computed. [2019-11-28 02:54:09,343 INFO L246 CegarLoopResult]: For program point L12(lines 12 14) no Hoare annotation was computed. [2019-11-28 02:54:09,343 INFO L249 CegarLoopResult]: At program point L11(line 11) the Hoare annotation is: true [2019-11-28 02:54:09,343 INFO L246 CegarLoopResult]: For program point L11-1(line 11) no Hoare annotation was computed. [2019-11-28 02:54:09,344 INFO L246 CegarLoopResult]: For program point L9(lines 9 15) no Hoare annotation was computed. [2019-11-28 02:54:09,344 INFO L246 CegarLoopResult]: For program point idFINAL(lines 4 7) no Hoare annotation was computed. [2019-11-28 02:54:09,344 INFO L246 CegarLoopResult]: For program point idEXIT(lines 4 7) no Hoare annotation was computed. [2019-11-28 02:54:09,344 INFO L249 CegarLoopResult]: At program point idENTRY(lines 4 7) the Hoare annotation is: true [2019-11-28 02:54:09,344 INFO L249 CegarLoopResult]: At program point L6(line 6) the Hoare annotation is: true [2019-11-28 02:54:09,344 INFO L246 CegarLoopResult]: For program point L5(line 5) no Hoare annotation was computed. [2019-11-28 02:54:09,345 INFO L246 CegarLoopResult]: For program point L6-1(line 6) no Hoare annotation was computed. [2019-11-28 02:54:09,350 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:54:09 BoogieIcfgContainer [2019-11-28 02:54:09,351 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:54:09,351 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:54:09,352 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:54:09,352 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:54:09,353 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:54:09" (3/4) ... [2019-11-28 02:54:09,364 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 02:54:09,388 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-11-28 02:54:09,395 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 02:54:09,396 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 02:54:09,484 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:54:09,485 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:54:09,488 INFO L168 Benchmark]: Toolchain (without parser) took 986.27 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -97.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:54:09,489 INFO L168 Benchmark]: CDTParser took 0.65 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:54:09,491 INFO L168 Benchmark]: CACSL2BoogieTranslator took 295.99 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:54:09,493 INFO L168 Benchmark]: Boogie Procedure Inliner took 116.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-28 02:54:09,500 INFO L168 Benchmark]: Boogie Preprocessor took 22.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:54:09,506 INFO L168 Benchmark]: RCFGBuilder took 243.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-28 02:54:09,508 INFO L168 Benchmark]: TraceAbstraction took 167.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:54:09,514 INFO L168 Benchmark]: Witness Printer took 134.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-28 02:54:09,523 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.65 ms. Allocated memory is still 1.0 GB. Free memory is still 987.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 295.99 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 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 116.54 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -140.6 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.10 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 243.90 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 167.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Witness Printer took 134.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 14 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14occurred 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, 3 LocationsWithAnnotation, 5 PreInvPairs, 5 NumberOfFragments, 3 HoareAnnotationTreeSize, 5 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 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...