./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/termination-crafted/WhileTrue.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -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/WhileTrue.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 b58543c5c6c478461bb3678f5712726562def78f .................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-9a8b2e8 [2020-10-20 06:22:41,559 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:22:41,562 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:22:41,603 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:22:41,604 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:22:41,614 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:22:41,615 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:22:41,618 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:22:41,621 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:22:41,624 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:22:41,625 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:22:41,628 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:22:41,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:22:41,632 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:22:41,633 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:22:41,635 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:22:41,636 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:22:41,640 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:22:41,643 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:22:41,647 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:22:41,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:22:41,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:22:41,661 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:22:41,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:22:41,675 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:22:41,676 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:22:41,676 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:22:41,677 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:22:41,677 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:22:41,680 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:22:41,680 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:22:41,683 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:22:41,683 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:22:41,685 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:22:41,686 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:22:41,687 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:22:41,688 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:22:41,688 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:22:41,689 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:22:41,690 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:22:41,690 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:22:41,692 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-10-20 06:22:41,729 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:22:41,729 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:22:41,731 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:22:41,731 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:22:41,731 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:22:41,732 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:22:41,732 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:22:41,732 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:22:41,732 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:22:41,733 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 06:22:41,734 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:22:41,734 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 06:22:41,734 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-20 06:22:41,735 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:22:41,735 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:22:41,735 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 06:22:41,736 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:22:41,736 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:22:41,736 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:22:41,737 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:22:41,737 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:22:41,737 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:22:41,737 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:22:41,738 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 06:22:41,738 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:22:41,738 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:22:41,738 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 06:22:41,739 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:22:41,739 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 -> b58543c5c6c478461bb3678f5712726562def78f [2020-10-20 06:22:41,936 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:22:41,951 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:22:41,960 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:22:41,962 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:22:41,962 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:22:41,963 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/termination-crafted/WhileTrue.c [2020-10-20 06:22:42,026 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/067f8b1f4/e8624ae5b53747aea77da539b0b898e1/FLAG5782115fa [2020-10-20 06:22:42,552 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:22:42,553 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/termination-crafted/WhileTrue.c [2020-10-20 06:22:42,561 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/067f8b1f4/e8624ae5b53747aea77da539b0b898e1/FLAG5782115fa [2020-10-20 06:22:42,949 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/067f8b1f4/e8624ae5b53747aea77da539b0b898e1 [2020-10-20 06:22:42,953 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:22:42,960 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:22:42,961 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:22:42,961 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:22:42,965 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:22:42,966 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:22:42" (1/1) ... [2020-10-20 06:22:42,969 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1b3dd740 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:42, skipping insertion in model container [2020-10-20 06:22:42,970 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:22:42" (1/1) ... [2020-10-20 06:22:42,979 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:22:42,996 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:22:43,164 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:22:43,168 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:22:43,179 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:22:43,191 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:22:43,191 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:43 WrapperNode [2020-10-20 06:22:43,191 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:22:43,192 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:22:43,192 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:22:43,193 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:22:43,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:43" (1/1) ... [2020-10-20 06:22:43,207 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:43" (1/1) ... [2020-10-20 06:22:43,222 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:22:43,223 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:22:43,223 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:22:43,223 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:22:43,232 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:43" (1/1) ... [2020-10-20 06:22:43,233 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:43" (1/1) ... [2020-10-20 06:22:43,233 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:43" (1/1) ... [2020-10-20 06:22:43,234 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:43" (1/1) ... [2020-10-20 06:22:43,235 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:43" (1/1) ... [2020-10-20 06:22:43,240 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:43" (1/1) ... [2020-10-20 06:22:43,240 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:43" (1/1) ... [2020-10-20 06:22:43,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:22:43,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:22:43,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:22:43,242 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:22:43,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:43" (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 [2020-10-20 06:22:43,302 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:22:43,303 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:22:43,424 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:22:43,424 INFO L298 CfgBuilder]: Removed 5 assume(true) statements. [2020-10-20 06:22:43,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:22:43 BoogieIcfgContainer [2020-10-20 06:22:43,426 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:22:43,428 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:22:43,428 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:22:43,431 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:22:43,432 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:22:42" (1/3) ... [2020-10-20 06:22:43,433 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6569741b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:22:43, skipping insertion in model container [2020-10-20 06:22:43,433 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:22:43" (2/3) ... [2020-10-20 06:22:43,434 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6569741b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:22:43, skipping insertion in model container [2020-10-20 06:22:43,434 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:22:43" (3/3) ... [2020-10-20 06:22:43,436 INFO L111 eAbstractionObserver]: Analyzing ICFG WhileTrue.c [2020-10-20 06:22:43,448 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:22:43,456 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 06:22:43,478 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 06:22:43,503 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:22:43,503 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 06:22:43,503 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:22:43,504 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:22:43,504 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:22:43,504 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:22:43,504 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:22:43,505 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:22:43,516 INFO L276 IsEmpty]: Start isEmpty. Operand 6 states. [2020-10-20 06:22:43,521 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:22:43,524 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 6 states. [2020-10-20 06:22:43,574 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 06:22:43,575 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 06:22:43,575 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 06:22:43,575 INFO L277 CegarLoopResult]: At program point L16(lines 11 17) the Hoare annotation is: true [2020-10-20 06:22:43,575 INFO L277 CegarLoopResult]: At program point L13-2(lines 13 15) the Hoare annotation is: true [2020-10-20 06:22:43,575 INFO L274 CegarLoopResult]: For program point L13-3(lines 13 15) no Hoare annotation was computed. [2020-10-20 06:22:43,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:22:43 BoogieIcfgContainer [2020-10-20 06:22:43,584 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:22:43,585 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:22:43,585 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:22:43,585 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:22:43,586 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:22:43" (3/4) ... [2020-10-20 06:22:43,589 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:22:43,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 06:22:43,599 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:22:43,638 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:22:43,638 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:22:43,645 INFO L168 Benchmark]: Toolchain (without parser) took 685.74 ms. Allocated memory was 40.4 MB in the beginning and 43.0 MB in the end (delta: 2.6 MB). Free memory was 19.9 MB in the beginning and 16.2 MB in the end (delta: 3.7 MB). Peak memory consumption was 6.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:43,646 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 30.9 MB. Free memory was 7.5 MB in the beginning and 7.5 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:22:43,647 INFO L168 Benchmark]: CACSL2BoogieTranslator took 230.87 ms. Allocated memory was 40.4 MB in the beginning and 40.9 MB in the end (delta: 524.3 kB). Free memory was 19.0 MB in the beginning and 21.6 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:43,650 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.26 ms. Allocated memory is still 40.9 MB. Free memory was 21.6 MB in the beginning and 20.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:43,652 INFO L168 Benchmark]: Boogie Preprocessor took 18.99 ms. Allocated memory is still 40.9 MB. Free memory was 20.2 MB in the beginning and 19.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:43,657 INFO L168 Benchmark]: RCFGBuilder took 184.20 ms. Allocated memory is still 40.9 MB. Free memory was 19.0 MB in the beginning and 11.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:43,658 INFO L168 Benchmark]: TraceAbstraction took 156.52 ms. Allocated memory was 40.9 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Free memory was 11.3 MB in the beginning and 18.8 MB in the end (delta: -7.5 MB). There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 06:22:43,659 INFO L168 Benchmark]: Witness Printer took 53.64 ms. Allocated memory is still 43.0 MB. Free memory was 18.8 MB in the beginning and 16.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:22:43,669 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 30.9 MB. Free memory was 7.5 MB in the beginning and 7.5 MB in the end (delta: 43.6 kB). Peak memory consumption was 43.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 230.87 ms. Allocated memory was 40.4 MB in the beginning and 40.9 MB in the end (delta: 524.3 kB). Free memory was 19.0 MB in the beginning and 21.6 MB in the end (delta: -2.6 MB). Peak memory consumption was 10.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 30.26 ms. Allocated memory is still 40.9 MB. Free memory was 21.6 MB in the beginning and 20.2 MB in the end (delta: 1.4 MB). Peak memory consumption was 1.4 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 18.99 ms. Allocated memory is still 40.9 MB. Free memory was 20.2 MB in the beginning and 19.0 MB in the end (delta: 1.2 MB). Peak memory consumption was 1.2 MB. Max. memory is 14.3 GB. * RCFGBuilder took 184.20 ms. Allocated memory is still 40.9 MB. Free memory was 19.0 MB in the beginning and 11.8 MB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 14.3 GB. * TraceAbstraction took 156.52 ms. Allocated memory was 40.9 MB in the beginning and 43.0 MB in the end (delta: 2.1 MB). Free memory was 11.3 MB in the beginning and 18.8 MB in the end (delta: -7.5 MB). There was no memory consumed. Max. memory is 14.3 GB. * Witness Printer took 53.64 ms. Allocated memory is still 43.0 MB. Free memory was 18.8 MB in the beginning and 16.2 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 14.3 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: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 13]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 6 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=6occurred 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...