./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id2_b5_o10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f6fb2bb1 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/id2_b5_o10.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 6f330f622534898bf170bbd5a7ac37bee3deb574 ...................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-f6fb2bb [2019-11-19 19:53:21,967 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 19:53:21,970 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 19:53:21,983 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 19:53:21,983 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 19:53:21,984 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 19:53:21,986 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 19:53:21,988 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 19:53:21,990 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 19:53:21,991 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 19:53:21,992 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 19:53:21,994 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 19:53:21,994 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 19:53:21,995 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 19:53:21,997 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 19:53:21,998 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 19:53:21,999 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 19:53:22,002 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 19:53:22,004 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 19:53:22,006 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 19:53:22,008 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 19:53:22,010 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 19:53:22,011 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 19:53:22,012 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 19:53:22,014 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 19:53:22,015 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 19:53:22,015 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 19:53:22,016 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 19:53:22,017 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 19:53:22,018 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 19:53:22,018 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 19:53:22,019 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 19:53:22,020 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 19:53:22,021 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 19:53:22,022 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 19:53:22,022 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 19:53:22,023 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 19:53:22,023 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 19:53:22,023 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 19:53:22,024 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 19:53:22,028 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 19:53:22,029 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-19 19:53:22,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 19:53:22,045 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 19:53:22,046 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 19:53:22,046 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 19:53:22,046 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 19:53:22,047 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 19:53:22,047 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 19:53:22,047 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 19:53:22,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 19:53:22,048 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 19:53:22,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 19:53:22,048 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 19:53:22,049 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 19:53:22,049 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 19:53:22,049 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-19 19:53:22,050 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 19:53:22,050 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 19:53:22,050 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 19:53:22,050 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 19:53:22,051 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 19:53:22,051 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 19:53:22,051 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 19:53:22,052 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 19:53:22,052 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 19:53:22,052 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 19:53:22,052 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 19:53:22,053 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 19:53:22,053 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 19:53:22,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 19:53:22,054 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 19:53:22,054 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 -> 6f330f622534898bf170bbd5a7ac37bee3deb574 [2019-11-19 19:53:22,340 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 19:53:22,355 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 19:53:22,359 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 19:53:22,360 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 19:53:22,361 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 19:53:22,362 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2019-11-19 19:53:22,432 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c3e44a41/1694a93c427d4674b1a8fa86067c2026/FLAGe46203956 [2019-11-19 19:53:22,877 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 19:53:22,878 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b5_o10.c [2019-11-19 19:53:22,885 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c3e44a41/1694a93c427d4674b1a8fa86067c2026/FLAGe46203956 [2019-11-19 19:53:23,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/5c3e44a41/1694a93c427d4674b1a8fa86067c2026 [2019-11-19 19:53:23,202 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 19:53:23,204 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 19:53:23,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 19:53:23,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 19:53:23,211 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 19:53:23,212 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:23" (1/1) ... [2019-11-19 19:53:23,217 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ecad6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:23, skipping insertion in model container [2019-11-19 19:53:23,217 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 07:53:23" (1/1) ... [2019-11-19 19:53:23,226 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 19:53:23,248 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 19:53:23,415 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:53:23,419 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 19:53:23,436 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 19:53:23,448 INFO L192 MainTranslator]: Completed translation [2019-11-19 19:53:23,449 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:23 WrapperNode [2019-11-19 19:53:23,449 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 19:53:23,449 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 19:53:23,450 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 19:53:23,450 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 19:53:23,459 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:23" (1/1) ... [2019-11-19 19:53:23,463 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:23" (1/1) ... [2019-11-19 19:53:23,478 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 19:53:23,478 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 19:53:23,479 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 19:53:23,479 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 19:53:23,546 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:23" (1/1) ... [2019-11-19 19:53:23,546 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:23" (1/1) ... [2019-11-19 19:53:23,547 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:23" (1/1) ... [2019-11-19 19:53:23,548 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:23" (1/1) ... [2019-11-19 19:53:23,550 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:23" (1/1) ... [2019-11-19 19:53:23,552 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:23" (1/1) ... [2019-11-19 19:53:23,553 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:23" (1/1) ... [2019-11-19 19:53:23,555 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 19:53:23,555 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 19:53:23,555 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 19:53:23,556 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 19:53:23,556 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:23" (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 [2019-11-19 19:53:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2019-11-19 19:53:23,609 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2019-11-19 19:53:23,609 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 19:53:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 19:53:23,610 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-11-19 19:53:23,610 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-11-19 19:53:23,785 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 19:53:23,786 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-19 19:53:23,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:53:23 BoogieIcfgContainer [2019-11-19 19:53:23,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 19:53:23,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 19:53:23,789 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 19:53:23,793 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 19:53:23,793 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 07:53:23" (1/3) ... [2019-11-19 19:53:23,794 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6669217e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:53:23, skipping insertion in model container [2019-11-19 19:53:23,795 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 07:53:23" (2/3) ... [2019-11-19 19:53:23,795 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6669217e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 07:53:23, skipping insertion in model container [2019-11-19 19:53:23,796 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:53:23" (3/3) ... [2019-11-19 19:53:23,798 INFO L109 eAbstractionObserver]: Analyzing ICFG id2_b5_o10.c [2019-11-19 19:53:23,811 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 19:53:23,822 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-19 19:53:23,838 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-19 19:53:23,868 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 19:53:23,868 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 19:53:23,868 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 19:53:23,869 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 19:53:23,869 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 19:53:23,869 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 19:53:23,869 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 19:53:23,870 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 19:53:23,889 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-19 19:53:23,895 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 19:53:23,902 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2019-11-19 19:53:23,967 INFO L444 ceAbstractionStarter]: For program point L17(line 17) no Hoare annotation was computed. [2019-11-19 19:53:23,968 INFO L447 ceAbstractionStarter]: At program point L16(line 16) the Hoare annotation is: true [2019-11-19 19:53:23,968 INFO L444 ceAbstractionStarter]: For program point L15(line 15) no Hoare annotation was computed. [2019-11-19 19:53:23,968 INFO L444 ceAbstractionStarter]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-11-19 19:53:23,968 INFO L444 ceAbstractionStarter]: For program point id2EXIT(lines 14 19) no Hoare annotation was computed. [2019-11-19 19:53:23,969 INFO L447 ceAbstractionStarter]: At program point id2ENTRY(lines 14 19) the Hoare annotation is: true [2019-11-19 19:53:23,969 INFO L444 ceAbstractionStarter]: For program point id2FINAL(lines 14 19) no Hoare annotation was computed. [2019-11-19 19:53:23,969 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 19:53:23,969 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 19:53:23,969 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 19:53:23,970 INFO L444 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-19 19:53:23,970 INFO L444 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2019-11-19 19:53:23,970 INFO L447 ceAbstractionStarter]: At program point L23(line 23) the Hoare annotation is: true [2019-11-19 19:53:23,971 INFO L444 ceAbstractionStarter]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-11-19 19:53:23,971 INFO L444 ceAbstractionStarter]: For program point L21(lines 21 27) no Hoare annotation was computed. [2019-11-19 19:53:23,971 INFO L444 ceAbstractionStarter]: For program point idFINAL(lines 7 12) no Hoare annotation was computed. [2019-11-19 19:53:23,971 INFO L444 ceAbstractionStarter]: For program point idEXIT(lines 7 12) no Hoare annotation was computed. [2019-11-19 19:53:23,972 INFO L444 ceAbstractionStarter]: For program point L10(line 10) no Hoare annotation was computed. [2019-11-19 19:53:23,972 INFO L447 ceAbstractionStarter]: At program point L9(line 9) the Hoare annotation is: true [2019-11-19 19:53:23,972 INFO L444 ceAbstractionStarter]: For program point L8(line 8) no Hoare annotation was computed. [2019-11-19 19:53:23,972 INFO L444 ceAbstractionStarter]: For program point L9-1(line 9) no Hoare annotation was computed. [2019-11-19 19:53:23,973 INFO L447 ceAbstractionStarter]: At program point idENTRY(lines 7 12) the Hoare annotation is: true [2019-11-19 19:53:23,978 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 07:53:23 BoogieIcfgContainer [2019-11-19 19:53:23,979 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 19:53:23,979 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 19:53:23,979 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 19:53:23,980 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 19:53:23,980 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 07:53:23" (3/4) ... [2019-11-19 19:53:23,983 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 19:53:23,989 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2019-11-19 19:53:23,990 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-11-19 19:53:23,995 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-19 19:53:23,995 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 19:53:24,041 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 19:53:24,041 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 19:53:24,044 INFO L168 Benchmark]: Toolchain (without parser) took 839.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 961.7 MB in the beginning and 1.1 GB in the end (delta: -153.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:53:24,045 INFO L168 Benchmark]: CDTParser took 0.27 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. [2019-11-19 19:53:24,046 INFO L168 Benchmark]: CACSL2BoogieTranslator took 241.90 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 19:53:24,046 INFO L168 Benchmark]: Boogie Procedure Inliner took 28.79 ms. Allocated memory is still 1.0 GB. Free memory is still 951.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 19:53:24,047 INFO L168 Benchmark]: Boogie Preprocessor took 76.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -197.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-19 19:53:24,048 INFO L168 Benchmark]: RCFGBuilder took 232.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-11-19 19:53:24,049 INFO L168 Benchmark]: TraceAbstraction took 190.42 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: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. [2019-11-19 19:53:24,050 INFO L168 Benchmark]: Witness Printer took 62.33 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. [2019-11-19 19:53:24,054 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 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 241.90 ms. Allocated memory is still 1.0 GB. Free memory was 961.7 MB in the beginning and 951.0 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 28.79 ms. Allocated memory is still 1.0 GB. Free memory is still 951.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 76.41 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -197.7 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 232.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 18.4 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 190.42 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: 14.8 MB). Peak memory consumption was 14.8 MB. Max. memory is 11.5 GB. * Witness Printer took 62.33 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. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 locations, 0 error locations. Result: SAFE, OverallTime: 0.1s, 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=22occurred 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, 5 LocationsWithAnnotation, 7 PreInvPairs, 7 NumberOfFragments, 5 HoareAnnotationTreeSize, 7 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 5 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...