./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id2_b2_o3.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/id2_b2_o3.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 f345f307410a5ddbdd0513896d69ca703c67be23 ...................................................................................................................................................................................................................................... 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 02:53:48,748 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 02:53:48,751 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 02:53:48,770 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 02:53:48,771 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 02:53:48,773 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 02:53:48,775 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 02:53:48,786 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 02:53:48,791 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 02:53:48,795 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 02:53:48,796 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 02:53:48,798 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 02:53:48,798 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 02:53:48,801 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 02:53:48,803 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 02:53:48,804 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 02:53:48,806 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 02:53:48,807 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 02:53:48,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 02:53:48,814 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 02:53:48,819 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 02:53:48,823 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 02:53:48,824 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 02:53:48,826 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 02:53:48,830 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 02:53:48,831 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 02:53:48,831 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 02:53:48,833 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 02:53:48,834 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 02:53:48,835 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 02:53:48,835 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 02:53:48,836 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 02:53:48,837 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 02:53:48,838 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 02:53:48,840 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 02:53:48,840 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 02:53:48,842 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 02:53:48,842 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 02:53:48,842 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 02:53:48,843 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 02:53:48,844 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 02:53:48,845 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-28 02:53:48,880 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 02:53:48,880 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 02:53:48,883 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 02:53:48,885 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 02:53:48,885 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 02:53:48,885 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 02:53:48,886 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-28 02:53:48,886 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 02:53:48,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 02:53:48,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-28 02:53:48,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 02:53:48,889 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 02:53:48,889 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 02:53:48,889 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 02:53:48,891 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-28 02:53:48,891 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-28 02:53:48,891 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 02:53:48,891 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 02:53:48,892 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 02:53:48,892 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 02:53:48,892 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 02:53:48,893 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 02:53:48,893 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 02:53:48,894 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 02:53:48,894 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 02:53:48,894 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 02:53:48,895 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 02:53:48,895 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 02:53:48,896 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 02:53:48,896 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 02:53:48,896 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 -> f345f307410a5ddbdd0513896d69ca703c67be23 [2019-11-28 02:53:49,253 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 02:53:49,277 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 02:53:49,280 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 02:53:49,283 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 02:53:49,284 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 02:53:49,285 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2019-11-28 02:53:49,358 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358be18c2/a46ffb5384b94049b0f6ed3f1a323528/FLAGc9ccfa11f [2019-11-28 02:53:49,775 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 02:53:49,776 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id2_b2_o3.c [2019-11-28 02:53:49,784 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358be18c2/a46ffb5384b94049b0f6ed3f1a323528/FLAGc9ccfa11f [2019-11-28 02:53:50,158 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/358be18c2/a46ffb5384b94049b0f6ed3f1a323528 [2019-11-28 02:53:50,162 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 02:53:50,163 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 02:53:50,165 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 02:53:50,165 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 02:53:50,168 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 02:53:50,169 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:53:50" (1/1) ... [2019-11-28 02:53:50,173 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@53e892c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:50, skipping insertion in model container [2019-11-28 02:53:50,173 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 02:53:50" (1/1) ... [2019-11-28 02:53:50,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 02:53:50,197 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 02:53:50,435 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:53:50,441 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 02:53:50,462 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 02:53:50,477 INFO L208 MainTranslator]: Completed translation [2019-11-28 02:53:50,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:50 WrapperNode [2019-11-28 02:53:50,478 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 02:53:50,478 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 02:53:50,479 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 02:53:50,479 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 02:53:50,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:50" (1/1) ... [2019-11-28 02:53:50,494 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:50" (1/1) ... [2019-11-28 02:53:50,512 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 02:53:50,512 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 02:53:50,512 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 02:53:50,513 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 02:53:50,577 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:50" (1/1) ... [2019-11-28 02:53:50,578 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:50" (1/1) ... [2019-11-28 02:53:50,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:50" (1/1) ... [2019-11-28 02:53:50,579 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:50" (1/1) ... [2019-11-28 02:53:50,583 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:50" (1/1) ... [2019-11-28 02:53:50,585 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:50" (1/1) ... [2019-11-28 02:53:50,586 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:50" (1/1) ... [2019-11-28 02:53:50,588 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 02:53:50,588 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 02:53:50,589 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 02:53:50,589 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 02:53:50,590 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:50" (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 02:53:50,652 INFO L130 BoogieDeclarations]: Found specification of procedure id2 [2019-11-28 02:53:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure id2 [2019-11-28 02:53:50,653 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 02:53:50,653 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 02:53:50,654 INFO L130 BoogieDeclarations]: Found specification of procedure id [2019-11-28 02:53:50,654 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2019-11-28 02:53:50,834 INFO L292 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 02:53:50,834 INFO L297 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-28 02:53:50,836 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:53:50 BoogieIcfgContainer [2019-11-28 02:53:50,836 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 02:53:50,837 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 02:53:50,837 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 02:53:50,842 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 02:53:50,842 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 02:53:50" (1/3) ... [2019-11-28 02:53:50,844 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef7f33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:53:50, skipping insertion in model container [2019-11-28 02:53:50,844 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 02:53:50" (2/3) ... [2019-11-28 02:53:50,849 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ef7f33b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 02:53:50, skipping insertion in model container [2019-11-28 02:53:50,849 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:53:50" (3/3) ... [2019-11-28 02:53:50,853 INFO L109 eAbstractionObserver]: Analyzing ICFG id2_b2_o3.c [2019-11-28 02:53:50,871 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 02:53:50,880 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-28 02:53:50,918 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-28 02:53:50,956 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 02:53:50,957 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 02:53:50,957 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 02:53:50,957 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 02:53:50,957 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 02:53:50,957 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 02:53:50,957 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 02:53:50,958 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 02:53:50,973 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2019-11-28 02:53:50,977 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 02:53:50,982 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 22 states. [2019-11-28 02:53:51,046 INFO L246 CegarLoopResult]: For program point L17(line 17) no Hoare annotation was computed. [2019-11-28 02:53:51,047 INFO L249 CegarLoopResult]: At program point L16(line 16) the Hoare annotation is: true [2019-11-28 02:53:51,047 INFO L246 CegarLoopResult]: For program point L15(line 15) no Hoare annotation was computed. [2019-11-28 02:53:51,047 INFO L246 CegarLoopResult]: For program point L16-1(line 16) no Hoare annotation was computed. [2019-11-28 02:53:51,047 INFO L246 CegarLoopResult]: For program point id2EXIT(lines 14 19) no Hoare annotation was computed. [2019-11-28 02:53:51,047 INFO L249 CegarLoopResult]: At program point id2ENTRY(lines 14 19) the Hoare annotation is: true [2019-11-28 02:53:51,048 INFO L246 CegarLoopResult]: For program point id2FINAL(lines 14 19) no Hoare annotation was computed. [2019-11-28 02:53:51,048 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 02:53:51,048 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 02:53:51,048 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 02:53:51,048 INFO L246 CegarLoopResult]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-28 02:53:51,048 INFO L246 CegarLoopResult]: For program point L24(lines 24 26) no Hoare annotation was computed. [2019-11-28 02:53:51,049 INFO L249 CegarLoopResult]: At program point L23(line 23) the Hoare annotation is: true [2019-11-28 02:53:51,049 INFO L246 CegarLoopResult]: For program point L23-1(line 23) no Hoare annotation was computed. [2019-11-28 02:53:51,049 INFO L246 CegarLoopResult]: For program point L21(lines 21 27) no Hoare annotation was computed. [2019-11-28 02:53:51,049 INFO L246 CegarLoopResult]: For program point idFINAL(lines 7 12) no Hoare annotation was computed. [2019-11-28 02:53:51,049 INFO L246 CegarLoopResult]: For program point idEXIT(lines 7 12) no Hoare annotation was computed. [2019-11-28 02:53:51,050 INFO L246 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2019-11-28 02:53:51,050 INFO L249 CegarLoopResult]: At program point L9(line 9) the Hoare annotation is: true [2019-11-28 02:53:51,050 INFO L246 CegarLoopResult]: For program point L8(line 8) no Hoare annotation was computed. [2019-11-28 02:53:51,051 INFO L246 CegarLoopResult]: For program point L9-1(line 9) no Hoare annotation was computed. [2019-11-28 02:53:51,051 INFO L249 CegarLoopResult]: At program point idENTRY(lines 7 12) the Hoare annotation is: true [2019-11-28 02:53:51,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 02:53:51 BoogieIcfgContainer [2019-11-28 02:53:51,056 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 02:53:51,057 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 02:53:51,057 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 02:53:51,057 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 02:53:51,058 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 02:53:50" (3/4) ... [2019-11-28 02:53:51,062 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 02:53:51,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id2 [2019-11-28 02:53:51,071 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2019-11-28 02:53:51,077 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2019-11-28 02:53:51,077 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-28 02:53:51,127 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 02:53:51,127 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 02:53:51,130 INFO L168 Benchmark]: Toolchain (without parser) took 965.98 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 960.4 MB in the beginning and 1.1 GB in the end (delta: -128.0 MB). Peak memory consumption was 2.5 MB. Max. memory is 11.5 GB. [2019-11-28 02:53:51,131 INFO L168 Benchmark]: CDTParser took 0.45 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 02:53:51,131 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.58 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:53:51,132 INFO L168 Benchmark]: Boogie Procedure Inliner took 33.53 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-28 02:53:51,133 INFO L168 Benchmark]: Boogie Preprocessor took 75.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 02:53:51,135 INFO L168 Benchmark]: RCFGBuilder took 247.71 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: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:53:51,136 INFO L168 Benchmark]: TraceAbstraction took 219.29 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2019-11-28 02:53:51,136 INFO L168 Benchmark]: Witness Printer took 70.63 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. [2019-11-28 02:53:51,142 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.45 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 313.58 ms. Allocated memory is still 1.0 GB. Free memory was 960.4 MB in the beginning and 949.6 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 33.53 ms. Allocated memory is still 1.0 GB. Free memory is still 949.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 75.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.5 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -177.4 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 247.71 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: 25.3 MB). Peak memory consumption was 25.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 219.29 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: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * Witness Printer took 70.63 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: 0.0s, 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=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...