./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/sum02-2.c --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/sum02-2.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 5076d8d6fb200d96246299821f69611c32cc6ee0 ........................................................................................................................................................................................................................................... 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 01:25:24,473 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:25:24,476 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:25:24,495 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:25:24,495 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:25:24,498 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:25:24,500 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:25:24,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:25:24,516 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:25:24,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:25:24,520 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:25:24,521 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:25:24,521 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:25:24,522 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:25:24,524 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:25:24,525 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:25:24,526 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:25:24,527 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:25:24,529 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:25:24,531 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:25:24,532 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:25:24,534 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:25:24,535 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:25:24,536 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:25:24,538 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:25:24,539 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:25:24,539 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:25:24,540 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:25:24,541 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:25:24,542 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:25:24,542 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:25:24,543 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:25:24,543 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:25:24,544 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:25:24,546 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:25:24,546 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:25:24,547 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:25:24,547 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:25:24,547 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:25:24,548 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:25:24,549 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:25:24,550 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-07-29 01:25:24,565 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:25:24,566 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:25:24,567 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:25:24,567 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:25:24,567 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:25:24,568 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:25:24,568 INFO L138 SettingsManager]: * sizeof long=4 [2020-07-29 01:25:24,568 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:25:24,568 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:25:24,569 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-07-29 01:25:24,569 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:25:24,569 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-29 01:25:24,569 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:25:24,569 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-29 01:25:24,570 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-07-29 01:25:24,570 INFO L138 SettingsManager]: * sizeof long double=12 [2020-07-29 01:25:24,570 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:25:24,571 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:25:24,572 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-29 01:25:24,572 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:25:24,572 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:25:24,572 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:25:24,572 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:25:24,573 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:25:24,573 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:25:24,573 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:25:24,573 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-29 01:25:24,574 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:25:24,574 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:25:24,574 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-29 01:25:24,574 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:25:24,575 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 -> 5076d8d6fb200d96246299821f69611c32cc6ee0 [2020-07-29 01:25:24,874 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:25:24,888 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:25:24,892 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:25:24,893 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:25:24,894 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:25:24,895 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/sum02-2.c [2020-07-29 01:25:24,972 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c1e24393/518937b55aa24ae19ea07e6d9d635ff2/FLAG4e6e4c6f6 [2020-07-29 01:25:25,521 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:25:25,522 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/sum02-2.c [2020-07-29 01:25:25,527 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c1e24393/518937b55aa24ae19ea07e6d9d635ff2/FLAG4e6e4c6f6 [2020-07-29 01:25:25,941 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7c1e24393/518937b55aa24ae19ea07e6d9d635ff2 [2020-07-29 01:25:25,945 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:25:25,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:25:25,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:25:25,950 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:25:25,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:25:25,956 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:25:25" (1/1) ... [2020-07-29 01:25:25,960 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4df1a61a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:25, skipping insertion in model container [2020-07-29 01:25:25,960 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:25:25" (1/1) ... [2020-07-29 01:25:25,968 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:25:25,989 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:25:26,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:25:26,184 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:25:26,204 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:25:26,218 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:25:26,219 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:26 WrapperNode [2020-07-29 01:25:26,219 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:25:26,220 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:25:26,220 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:25:26,220 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:25:26,229 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:26" (1/1) ... [2020-07-29 01:25:26,236 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:26" (1/1) ... [2020-07-29 01:25:26,319 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:25:26,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:25:26,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:25:26,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:25:26,330 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:26" (1/1) ... [2020-07-29 01:25:26,330 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:26" (1/1) ... [2020-07-29 01:25:26,331 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:26" (1/1) ... [2020-07-29 01:25:26,331 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:26" (1/1) ... [2020-07-29 01:25:26,335 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:26" (1/1) ... [2020-07-29 01:25:26,340 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:26" (1/1) ... [2020-07-29 01:25:26,341 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:26" (1/1) ... [2020-07-29 01:25:26,343 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:25:26,344 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:25:26,344 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:25:26,344 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:25:26,345 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:26" (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 01:25:26,405 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:25:26,405 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:25:26,638 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:25:26,638 INFO L295 CfgBuilder]: Removed 9 assume(true) statements. [2020-07-29 01:25:26,641 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:25:26 BoogieIcfgContainer [2020-07-29 01:25:26,642 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:25:26,643 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-29 01:25:26,644 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-29 01:25:26,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-29 01:25:26,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.07 01:25:25" (1/3) ... [2020-07-29 01:25:26,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec9efbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:25:26, skipping insertion in model container [2020-07-29 01:25:26,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:25:26" (2/3) ... [2020-07-29 01:25:26,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4ec9efbd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:25:26, skipping insertion in model container [2020-07-29 01:25:26,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:25:26" (3/3) ... [2020-07-29 01:25:26,651 INFO L109 eAbstractionObserver]: Analyzing ICFG sum02-2.c [2020-07-29 01:25:26,663 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-29 01:25:26,672 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-29 01:25:26,692 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-29 01:25:26,725 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-29 01:25:26,726 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-29 01:25:26,726 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-29 01:25:26,726 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:25:26,726 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:25:26,726 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-29 01:25:26,727 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:25:26,727 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-29 01:25:26,744 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-07-29 01:25:26,750 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:25:26,754 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-07-29 01:25:26,829 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-29 01:25:26,829 INFO L268 CegarLoopResult]: For program point L9(line 9) no Hoare annotation was computed. [2020-07-29 01:25:26,829 INFO L268 CegarLoopResult]: For program point L3(lines 3 5) no Hoare annotation was computed. [2020-07-29 01:25:26,829 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-29 01:25:26,830 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-29 01:25:26,830 INFO L268 CegarLoopResult]: For program point L20-2(lines 20 22) no Hoare annotation was computed. [2020-07-29 01:25:26,831 INFO L271 CegarLoopResult]: At program point L20-3(lines 20 22) the Hoare annotation is: true [2020-07-29 01:25:26,831 INFO L268 CegarLoopResult]: For program point L20-4(lines 20 22) no Hoare annotation was computed. [2020-07-29 01:25:26,831 INFO L268 CegarLoopResult]: For program point L8(lines 8 10) no Hoare annotation was computed. [2020-07-29 01:25:26,831 INFO L271 CegarLoopResult]: At program point L8-2(lines 1 27) the Hoare annotation is: true [2020-07-29 01:25:26,831 INFO L268 CegarLoopResult]: For program point L4(line 4) no Hoare annotation was computed. [2020-07-29 01:25:26,837 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-29 01:25:26,838 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-29 01:25:26,838 WARN L170 areAnnotationChecker]: L4 has no Hoare annotation [2020-07-29 01:25:26,838 WARN L170 areAnnotationChecker]: L3 has no Hoare annotation [2020-07-29 01:25:26,839 WARN L170 areAnnotationChecker]: L20-4 has no Hoare annotation [2020-07-29 01:25:26,839 WARN L170 areAnnotationChecker]: L20-4 has no Hoare annotation [2020-07-29 01:25:26,839 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-29 01:25:26,839 WARN L170 areAnnotationChecker]: L20-4 has no Hoare annotation [2020-07-29 01:25:26,840 WARN L170 areAnnotationChecker]: L20-2 has no Hoare annotation [2020-07-29 01:25:26,840 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-29 01:25:26,840 WARN L170 areAnnotationChecker]: L8 has no Hoare annotation [2020-07-29 01:25:26,841 WARN L170 areAnnotationChecker]: L9 has no Hoare annotation [2020-07-29 01:25:26,841 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-29 01:25:26,841 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-29 01:25:26,841 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-29 01:25:26,849 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.07 01:25:26 BoogieIcfgContainer [2020-07-29 01:25:26,850 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-29 01:25:26,850 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:25:26,851 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:25:26,851 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:25:26,852 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:25:26" (3/4) ... [2020-07-29 01:25:26,856 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-29 01:25:26,871 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2020-07-29 01:25:26,872 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-07-29 01:25:26,918 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 01:25:26,919 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:25:26,924 INFO L168 Benchmark]: Toolchain (without parser) took 975.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 956.2 MB in the beginning and 1.1 GB in the end (delta: -146.3 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:25:26,926 INFO L168 Benchmark]: CDTParser took 0.22 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 01:25:26,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 269.79 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 01:25:26,928 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:25:26,929 INFO L168 Benchmark]: Boogie Preprocessor took 24.20 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 01:25:26,929 INFO L168 Benchmark]: RCFGBuilder took 298.14 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:25:26,930 INFO L168 Benchmark]: TraceAbstraction took 206.53 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:25:26,931 INFO L168 Benchmark]: Witness Printer took 68.69 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2020-07-29 01:25:26,936 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 0.22 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 269.79 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 99.25 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 945.5 MB in the beginning and 1.1 GB in the end (delta: -189.2 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 24.20 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 298.14 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: 19.1 MB). Peak memory consumption was 19.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 206.53 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: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Witness Printer took 68.69 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: 6.5 MB). Peak memory consumption was 6.5 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: 1]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 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=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...