./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/interleave_bits.i --full-output -ea --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/interleave_bits.i -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 a69112b8d023c6203418abb04301ebe890b3a5f5 ................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:24:36,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:24:36,848 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:24:36,865 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:24:36,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:24:36,867 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:24:36,869 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:24:36,879 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:24:36,884 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:24:36,888 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:24:36,889 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:24:36,891 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:24:36,891 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:24:36,893 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:24:36,894 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:24:36,895 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:24:36,897 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:24:36,898 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:24:36,900 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:24:36,904 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:24:36,908 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:24:36,912 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:24:36,914 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:24:36,914 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:24:36,917 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:24:36,917 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:24:36,917 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:24:36,919 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:24:36,919 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:24:36,920 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:24:36,921 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:24:36,922 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:24:36,922 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:24:36,923 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:24:36,925 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:24:36,925 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:24:36,926 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:24:36,926 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:24:36,926 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:24:36,927 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:24:36,928 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:24:36,929 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-07-29 01:24:36,954 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:24:36,954 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:24:36,956 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:24:36,956 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:24:36,956 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:24:36,956 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:24:36,957 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:24:36,957 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:24:36,957 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:24:36,957 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:24:36,957 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:24:36,958 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-29 01:24:36,958 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:24:36,958 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-29 01:24:36,961 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-07-29 01:24:36,962 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:24:36,962 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:24:36,962 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:24:36,962 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-29 01:24:36,963 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:24:36,963 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:24:36,963 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:24:36,963 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:24:36,963 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:24:36,964 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:24:36,964 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:24:36,964 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-29 01:24:36,964 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:24:36,965 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:24:36,965 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-29 01:24:36,965 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:24:36,965 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 -> a69112b8d023c6203418abb04301ebe890b3a5f5 [2020-07-29 01:24:37,266 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:24:37,287 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:24:37,291 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:24:37,293 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:24:37,294 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:24:37,295 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/interleave_bits.i [2020-07-29 01:24:37,353 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64862d329/5c5548a375f24ff895e2786b2e578e18/FLAGbdc10d1a2 [2020-07-29 01:24:37,836 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:24:37,837 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/interleave_bits.i [2020-07-29 01:24:37,843 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64862d329/5c5548a375f24ff895e2786b2e578e18/FLAGbdc10d1a2 [2020-07-29 01:24:38,214 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/64862d329/5c5548a375f24ff895e2786b2e578e18 [2020-07-29 01:24:38,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:24:38,220 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:24:38,221 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:24:38,221 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:24:38,224 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:24:38,226 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:24:38" (1/1) ... [2020-07-29 01:24:38,229 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1d817e53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:38, skipping insertion in model container [2020-07-29 01:24:38,229 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:24:38" (1/1) ... [2020-07-29 01:24:38,237 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:24:38,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:24:38,431 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:24:38,436 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:24:38,461 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:24:38,474 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:24:38,475 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:38 WrapperNode [2020-07-29 01:24:38,475 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:24:38,476 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:24:38,476 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:24:38,476 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:24:38,486 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:38" (1/1) ... [2020-07-29 01:24:38,552 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:38" (1/1) ... [2020-07-29 01:24:38,576 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:24:38,576 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:24:38,576 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:24:38,577 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:24:38,586 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:38" (1/1) ... [2020-07-29 01:24:38,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:38" (1/1) ... [2020-07-29 01:24:38,587 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:38" (1/1) ... [2020-07-29 01:24:38,588 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:38" (1/1) ... [2020-07-29 01:24:38,593 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:38" (1/1) ... [2020-07-29 01:24:38,597 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:38" (1/1) ... [2020-07-29 01:24:38,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:38" (1/1) ... [2020-07-29 01:24:38,600 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:24:38,601 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:24:38,601 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:24:38,601 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:24:38,602 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:38" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:24:38,660 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:24:38,660 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:24:38,856 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:24:38,857 INFO L295 CfgBuilder]: Removed 7 assume(true) statements. [2020-07-29 01:24:38,860 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:24:38 BoogieIcfgContainer [2020-07-29 01:24:38,861 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:24:38,863 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-29 01:24:38,863 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-29 01:24:38,866 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-29 01:24:38,867 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.07 01:24:38" (1/3) ... [2020-07-29 01:24:38,868 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@873883d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:24:38, skipping insertion in model container [2020-07-29 01:24:38,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:24:38" (2/3) ... [2020-07-29 01:24:38,869 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@873883d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:24:38, skipping insertion in model container [2020-07-29 01:24:38,869 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:24:38" (3/3) ... [2020-07-29 01:24:38,871 INFO L109 eAbstractionObserver]: Analyzing ICFG interleave_bits.i [2020-07-29 01:24:38,883 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-29 01:24:38,891 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-29 01:24:38,912 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-29 01:24:38,957 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-29 01:24:38,958 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-29 01:24:38,959 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-29 01:24:38,959 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:24:38,960 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:24:38,960 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-29 01:24:38,960 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:24:38,960 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-29 01:24:38,991 INFO L276 IsEmpty]: Start isEmpty. Operand 8 states. [2020-07-29 01:24:39,002 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:24:39,006 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 8 states. [2020-07-29 01:24:39,070 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-29 01:24:39,070 INFO L268 CegarLoopResult]: For program point L5(lines 5 7) no Hoare annotation was computed. [2020-07-29 01:24:39,070 INFO L271 CegarLoopResult]: At program point L5-2(lines 1 48) the Hoare annotation is: true [2020-07-29 01:24:39,071 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-29 01:24:39,071 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-29 01:24:39,071 INFO L271 CegarLoopResult]: At program point L30-2(lines 30 33) the Hoare annotation is: true [2020-07-29 01:24:39,071 INFO L268 CegarLoopResult]: For program point L30-3(lines 30 33) no Hoare annotation was computed. [2020-07-29 01:24:39,071 INFO L268 CegarLoopResult]: For program point L6(line 6) no Hoare annotation was computed. [2020-07-29 01:24:39,077 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-29 01:24:39,077 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2020-07-29 01:24:39,077 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2020-07-29 01:24:39,079 WARN L170 areAnnotationChecker]: L30-3 has no Hoare annotation [2020-07-29 01:24:39,079 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-29 01:24:39,079 WARN L170 areAnnotationChecker]: L5 has no Hoare annotation [2020-07-29 01:24:39,079 WARN L170 areAnnotationChecker]: L6 has no Hoare annotation [2020-07-29 01:24:39,080 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-29 01:24:39,080 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-29 01:24:39,080 INFO L163 areAnnotationChecker]: CFG has 1 edges. 1 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-29 01:24:39,088 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.07 01:24:39 BoogieIcfgContainer [2020-07-29 01:24:39,088 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-29 01:24:39,091 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:24:39,091 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:24:39,091 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:24:39,092 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:24:38" (3/4) ... [2020-07-29 01:24:39,097 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-29 01:24:39,109 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-07-29 01:24:39,110 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-29 01:24:39,192 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 01:24:39,192 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:24:39,196 INFO L168 Benchmark]: Toolchain (without parser) took 976.24 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -131.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:24:39,196 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:24:39,197 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.71 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:39,198 INFO L168 Benchmark]: Boogie Procedure Inliner took 100.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:39,199 INFO L168 Benchmark]: Boogie Preprocessor took 24.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:24:39,200 INFO L168 Benchmark]: RCFGBuilder took 260.54 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:39,202 INFO L168 Benchmark]: TraceAbstraction took 225.45 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:24:39,207 INFO L168 Benchmark]: Witness Printer took 101.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:24:39,218 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 981.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 254.71 ms. Allocated memory is still 1.0 GB. Free memory was 956.2 MB in the beginning and 945.5 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 100.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.8 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -168.8 MB). Peak memory consumption was 9.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.04 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 260.54 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: 12.9 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 225.45 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: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * Witness Printer took 101.46 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 8 locations, 0 error locations. Started 1 CEGAR loops. VerificationResult: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...