./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version f470102c 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/termination-crafted/4BitCounterPointer.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 0233d496bfaf5cb1311bfa260a57f41458184795 ............................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-11-28 20:22:19,940 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-28 20:22:19,942 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-28 20:22:19,955 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-28 20:22:19,956 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-28 20:22:19,957 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-28 20:22:19,959 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-28 20:22:19,961 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-28 20:22:19,963 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-28 20:22:19,964 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-28 20:22:19,969 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-28 20:22:19,970 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-28 20:22:19,972 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-28 20:22:19,975 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-28 20:22:19,976 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-28 20:22:19,978 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-28 20:22:19,980 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-28 20:22:19,981 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-28 20:22:19,986 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-28 20:22:19,991 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-28 20:22:19,993 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-28 20:22:19,996 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-28 20:22:19,999 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-28 20:22:20,001 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-28 20:22:20,006 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-28 20:22:20,006 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-28 20:22:20,006 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-28 20:22:20,009 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-28 20:22:20,009 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-28 20:22:20,011 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-28 20:22:20,012 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-28 20:22:20,013 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-28 20:22:20,014 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-28 20:22:20,014 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-28 20:22:20,016 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-28 20:22:20,017 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-28 20:22:20,018 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-28 20:22:20,018 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-28 20:22:20,019 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-28 20:22:20,021 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-28 20:22:20,022 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-28 20:22:20,023 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2019-11-28 20:22:20,044 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-28 20:22:20,044 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-28 20:22:20,047 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-28 20:22:20,047 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-28 20:22:20,047 INFO L138 SettingsManager]: * Use SBE=true [2019-11-28 20:22:20,048 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-28 20:22:20,048 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-28 20:22:20,048 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-28 20:22:20,048 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-28 20:22:20,049 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-28 20:22:20,050 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-28 20:22:20,050 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-28 20:22:20,051 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-28 20:22:20,051 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-28 20:22:20,052 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-28 20:22:20,052 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-28 20:22:20,052 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-28 20:22:20,052 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-28 20:22:20,053 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-28 20:22:20,053 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-28 20:22:20,053 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-28 20:22:20,054 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-28 20:22:20,054 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-28 20:22:20,054 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-28 20:22:20,054 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-28 20:22:20,055 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-28 20:22:20,055 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-28 20:22:20,055 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-11-28 20:22:20,055 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 0233d496bfaf5cb1311bfa260a57f41458184795 [2019-11-28 20:22:20,377 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-28 20:22:20,398 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-28 20:22:20,405 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-28 20:22:20,407 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-28 20:22:20,407 INFO L275 PluginConnector]: CDTParser initialized [2019-11-28 20:22:20,408 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2019-11-28 20:22:20,482 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2abd9293e/6decc5d29c584115b69f84349559f79c/FLAG437cd8ef3 [2019-11-28 20:22:20,926 INFO L306 CDTParser]: Found 1 translation units. [2019-11-28 20:22:20,927 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/4BitCounterPointer.c [2019-11-28 20:22:20,935 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2abd9293e/6decc5d29c584115b69f84349559f79c/FLAG437cd8ef3 [2019-11-28 20:22:21,347 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2abd9293e/6decc5d29c584115b69f84349559f79c [2019-11-28 20:22:21,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-28 20:22:21,353 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-28 20:22:21,355 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-28 20:22:21,355 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-28 20:22:21,359 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-28 20:22:21,360 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:22:21" (1/1) ... [2019-11-28 20:22:21,363 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7335d288 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:21, skipping insertion in model container [2019-11-28 20:22:21,363 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 08:22:21" (1/1) ... [2019-11-28 20:22:21,371 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-28 20:22:21,389 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-11-28 20:22:21,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:22:21,586 INFO L203 MainTranslator]: Completed pre-run [2019-11-28 20:22:21,601 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-28 20:22:21,613 INFO L208 MainTranslator]: Completed translation [2019-11-28 20:22:21,613 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:21 WrapperNode [2019-11-28 20:22:21,614 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-28 20:22:21,615 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-28 20:22:21,615 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-28 20:22:21,615 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-28 20:22:21,624 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:21" (1/1) ... [2019-11-28 20:22:21,681 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:21" (1/1) ... [2019-11-28 20:22:21,710 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-28 20:22:21,712 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-28 20:22:21,712 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-28 20:22:21,712 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-28 20:22:21,721 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:21" (1/1) ... [2019-11-28 20:22:21,722 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:21" (1/1) ... [2019-11-28 20:22:21,725 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:21" (1/1) ... [2019-11-28 20:22:21,725 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:21" (1/1) ... [2019-11-28 20:22:21,736 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:21" (1/1) ... [2019-11-28 20:22:21,743 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:21" (1/1) ... [2019-11-28 20:22:21,755 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:21" (1/1) ... [2019-11-28 20:22:21,757 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-28 20:22:21,758 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-28 20:22:21,758 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-28 20:22:21,758 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-28 20:22:21,759 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:21" (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 20:22:21,810 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-11-28 20:22:21,811 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-28 20:22:21,811 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-28 20:22:21,812 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2019-11-28 20:22:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-11-28 20:22:21,814 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-11-28 20:22:22,026 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-28 20:22:22,027 INFO L287 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-28 20:22:22,029 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:22:22 BoogieIcfgContainer [2019-11-28 20:22:22,030 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-28 20:22:22,032 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-28 20:22:22,032 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-28 20:22:22,036 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-28 20:22:22,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 08:22:21" (1/3) ... [2019-11-28 20:22:22,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff66f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:22:22, skipping insertion in model container [2019-11-28 20:22:22,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 08:22:21" (2/3) ... [2019-11-28 20:22:22,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ff66f7e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 08:22:22, skipping insertion in model container [2019-11-28 20:22:22,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:22:22" (3/3) ... [2019-11-28 20:22:22,041 INFO L109 eAbstractionObserver]: Analyzing ICFG 4BitCounterPointer.c [2019-11-28 20:22:22,052 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-28 20:22:22,062 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-28 20:22:22,093 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-28 20:22:22,123 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-28 20:22:22,124 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-28 20:22:22,124 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-28 20:22:22,124 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-28 20:22:22,124 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-28 20:22:22,125 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-28 20:22:22,125 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-28 20:22:22,125 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-28 20:22:22,142 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2019-11-28 20:22:22,149 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-28 20:22:22,152 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2019-11-28 20:22:22,222 INFO L249 CegarLoopResult]: At program point L33(lines 6 34) the Hoare annotation is: true [2019-11-28 20:22:22,222 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-28 20:22:22,222 INFO L246 CegarLoopResult]: For program point L15-1(lines 15 32) no Hoare annotation was computed. [2019-11-28 20:22:22,222 INFO L246 CegarLoopResult]: For program point L15-3(lines 15 32) no Hoare annotation was computed. [2019-11-28 20:22:22,223 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-28 20:22:22,223 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-28 20:22:22,223 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-28 20:22:22,223 INFO L246 CegarLoopResult]: For program point L24(lines 24 29) no Hoare annotation was computed. [2019-11-28 20:22:22,223 INFO L249 CegarLoopResult]: At program point L24-2(lines 15 32) the Hoare annotation is: true [2019-11-28 20:22:22,223 INFO L246 CegarLoopResult]: For program point L20(lines 20 30) no Hoare annotation was computed. [2019-11-28 20:22:22,224 INFO L246 CegarLoopResult]: For program point L16(lines 16 31) no Hoare annotation was computed. [2019-11-28 20:22:22,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 08:22:22 BoogieIcfgContainer [2019-11-28 20:22:22,238 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-28 20:22:22,238 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-28 20:22:22,239 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-28 20:22:22,239 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-28 20:22:22,240 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 08:22:22" (3/4) ... [2019-11-28 20:22:22,245 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-28 20:22:22,260 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-28 20:22:22,261 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-28 20:22:22,262 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-28 20:22:22,320 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-28 20:22:22,321 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-28 20:22:22,323 INFO L168 Benchmark]: Toolchain (without parser) took 969.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 957.7 MB in the beginning and 1.1 GB in the end (delta: -111.6 MB). Peak memory consumption was 5.8 MB. Max. memory is 11.5 GB. [2019-11-28 20:22:22,324 INFO L168 Benchmark]: CDTParser took 0.33 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 20:22:22,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 259.65 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:22:22,326 INFO L168 Benchmark]: Boogie Procedure Inliner took 96.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:22:22,327 INFO L168 Benchmark]: Boogie Preprocessor took 45.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:22:22,327 INFO L168 Benchmark]: RCFGBuilder took 272.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. [2019-11-28 20:22:22,328 INFO L168 Benchmark]: TraceAbstraction took 206.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:22:22,329 INFO L168 Benchmark]: Witness Printer took 82.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-28 20:22:22,334 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.33 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 259.65 ms. Allocated memory is still 1.0 GB. Free memory was 957.7 MB in the beginning and 946.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 96.68 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 946.9 MB in the beginning and 1.1 GB in the end (delta: -167.0 MB). Peak memory consumption was 9.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 45.71 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 272.42 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 24.5 MB). Peak memory consumption was 24.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 206.27 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Witness Printer took 82.50 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 15]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 6]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 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=11occurred 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...