./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability 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/nla-digbench-scaling/egcd_unwindbound100.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-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 ! call(reach_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 8e92f3da531035d70f98a7c250f6c03e36577ace ...................................................................................................................................................................................................................................................... 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 01:15:12,763 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:15:12,765 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:15:12,792 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:15:12,792 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:15:12,794 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:15:12,795 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:15:12,797 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:15:12,799 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:15:12,800 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:15:12,801 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:15:12,802 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:15:12,803 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:15:12,804 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:15:12,805 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:15:12,806 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:15:12,807 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:15:12,808 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:15:12,810 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:15:12,812 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:15:12,814 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:15:12,815 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:15:12,816 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:15:12,817 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:15:12,820 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:15:12,820 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:15:12,821 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:15:12,822 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:15:12,822 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:15:12,823 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:15:12,824 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:15:12,824 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:15:12,825 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:15:12,826 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:15:12,827 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:15:12,828 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:15:12,828 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:15:12,829 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:15:12,829 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:15:12,830 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:15:12,831 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:15:12,832 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:15:12,867 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:15:12,867 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:15:12,869 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:15:12,869 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:15:12,869 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:15:12,870 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:15:12,870 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:15:12,870 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:15:12,870 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:15:12,871 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:15:12,871 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:15:12,871 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:15:12,871 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:15:12,871 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:15:12,872 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:15:12,872 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:15:12,872 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:15:12,872 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:15:12,873 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:15:12,873 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:15:12,873 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:15:12,873 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:15:12,874 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:15:12,874 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:15:12,874 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:15:12,874 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:15:12,875 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:15:12,875 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:15:12,875 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:15:12,875 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 ! call(reach_error())) ) 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 -> 8e92f3da531035d70f98a7c250f6c03e36577ace [2020-10-20 01:15:13,085 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:15:13,097 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:15:13,101 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:15:13,103 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:15:13,103 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:15:13,104 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd_unwindbound100.c [2020-10-20 01:15:13,180 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecd81123d/5cc75fd762ad4b49971f171bbdd57336/FLAGe64fd0fd2 [2020-10-20 01:15:13,682 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:15:13,685 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd_unwindbound100.c [2020-10-20 01:15:13,697 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecd81123d/5cc75fd762ad4b49971f171bbdd57336/FLAGe64fd0fd2 [2020-10-20 01:15:14,013 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ecd81123d/5cc75fd762ad4b49971f171bbdd57336 [2020-10-20 01:15:14,016 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:15:14,022 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:15:14,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:15:14,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:15:14,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:15:14,027 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:15:14" (1/1) ... [2020-10-20 01:15:14,030 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3bd305e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:14, skipping insertion in model container [2020-10-20 01:15:14,031 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:15:14" (1/1) ... [2020-10-20 01:15:14,039 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:15:14,058 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:15:14,308 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:15:14,314 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:15:14,337 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:15:14,353 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:15:14,354 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:14 WrapperNode [2020-10-20 01:15:14,354 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:15:14,355 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:15:14,355 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:15:14,356 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:15:14,365 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:14" (1/1) ... [2020-10-20 01:15:14,372 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:14" (1/1) ... [2020-10-20 01:15:14,398 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:15:14,399 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:15:14,399 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:15:14,399 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:15:14,409 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:14" (1/1) ... [2020-10-20 01:15:14,409 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:14" (1/1) ... [2020-10-20 01:15:14,411 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:14" (1/1) ... [2020-10-20 01:15:14,411 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:14" (1/1) ... [2020-10-20 01:15:14,415 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:14" (1/1) ... [2020-10-20 01:15:14,421 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:14" (1/1) ... [2020-10-20 01:15:14,423 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:14" (1/1) ... [2020-10-20 01:15:14,425 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:15:14,426 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:15:14,426 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:15:14,426 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:15:14,427 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:14" (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 01:15:14,501 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:15:14,502 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:15:14,755 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:15:14,756 INFO L298 CfgBuilder]: Removed 37 assume(true) statements. [2020-10-20 01:15:14,758 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:15:14 BoogieIcfgContainer [2020-10-20 01:15:14,758 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:15:14,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:15:14,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:15:14,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:15:14,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:15:14" (1/3) ... [2020-10-20 01:15:14,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbeb97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:15:14, skipping insertion in model container [2020-10-20 01:15:14,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:15:14" (2/3) ... [2020-10-20 01:15:14,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3bbeb97e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:15:14, skipping insertion in model container [2020-10-20 01:15:14,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:15:14" (3/3) ... [2020-10-20 01:15:14,771 INFO L111 eAbstractionObserver]: Analyzing ICFG egcd_unwindbound100.c [2020-10-20 01:15:14,787 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:15:14,797 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 01:15:14,833 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 01:15:14,894 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:15:14,895 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:15:14,895 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:15:14,895 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:15:14,896 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:15:14,896 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:15:14,896 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:15:14,897 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:15:14,918 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-10-20 01:15:14,932 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:15:14,938 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 27 states. [2020-10-20 01:15:15,010 INFO L277 CegarLoopResult]: At program point L10-9(lines 9 15) the Hoare annotation is: true [2020-10-20 01:15:15,011 INFO L274 CegarLoopResult]: For program point L10-10(lines 10 13) no Hoare annotation was computed. [2020-10-20 01:15:15,011 INFO L277 CegarLoopResult]: At program point L10-11(lines 9 15) the Hoare annotation is: true [2020-10-20 01:15:15,011 INFO L274 CegarLoopResult]: For program point L10-12(lines 10 13) no Hoare annotation was computed. [2020-10-20 01:15:15,011 INFO L277 CegarLoopResult]: At program point L10-13(lines 9 15) the Hoare annotation is: true [2020-10-20 01:15:15,012 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:15:15,012 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:15:15,012 INFO L274 CegarLoopResult]: For program point L6(lines 6 8) no Hoare annotation was computed. [2020-10-20 01:15:15,012 INFO L274 CegarLoopResult]: For program point L6-1(lines 6 8) no Hoare annotation was computed. [2020-10-20 01:15:15,012 INFO L277 CegarLoopResult]: At program point L56(lines 18 57) the Hoare annotation is: true [2020-10-20 01:15:15,012 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-10-20 01:15:15,013 INFO L274 CegarLoopResult]: For program point L7-2(line 7) no Hoare annotation was computed. [2020-10-20 01:15:15,013 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 01:15:15,014 INFO L274 CegarLoopResult]: For program point L41(lines 41 49) no Hoare annotation was computed. [2020-10-20 01:15:15,014 INFO L277 CegarLoopResult]: At program point L41-2(lines 33 50) the Hoare annotation is: true [2020-10-20 01:15:15,014 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:15:15,014 INFO L274 CegarLoopResult]: For program point L33-1(lines 33 50) no Hoare annotation was computed. [2020-10-20 01:15:15,015 INFO L274 CegarLoopResult]: For program point L33-3(lines 33 50) no Hoare annotation was computed. [2020-10-20 01:15:15,015 INFO L274 CegarLoopResult]: For program point L10(lines 10 13) no Hoare annotation was computed. [2020-10-20 01:15:15,015 INFO L277 CegarLoopResult]: At program point L10-1(lines 9 15) the Hoare annotation is: true [2020-10-20 01:15:15,015 INFO L274 CegarLoopResult]: For program point L10-2(lines 10 13) no Hoare annotation was computed. [2020-10-20 01:15:15,015 INFO L277 CegarLoopResult]: At program point L10-3(lines 9 15) the Hoare annotation is: true [2020-10-20 01:15:15,016 INFO L274 CegarLoopResult]: For program point L10-4(lines 10 13) no Hoare annotation was computed. [2020-10-20 01:15:15,016 INFO L277 CegarLoopResult]: At program point L10-5(lines 38 39) the Hoare annotation is: true [2020-10-20 01:15:15,016 INFO L274 CegarLoopResult]: For program point L10-6(lines 10 13) no Hoare annotation was computed. [2020-10-20 01:15:15,017 INFO L277 CegarLoopResult]: At program point L10-7(lines 9 15) the Hoare annotation is: true [2020-10-20 01:15:15,017 INFO L274 CegarLoopResult]: For program point L10-8(lines 10 13) no Hoare annotation was computed. [2020-10-20 01:15:15,028 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:15:15 BoogieIcfgContainer [2020-10-20 01:15:15,028 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:15:15,029 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:15:15,029 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:15:15,030 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:15:15,030 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:15:14" (3/4) ... [2020-10-20 01:15:15,035 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:15:15,050 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-10-20 01:15:15,050 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:15:15,122 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:15:15,122 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:15:15,126 INFO L168 Benchmark]: Toolchain (without parser) took 1107.22 ms. Allocated memory was 36.7 MB in the beginning and 46.7 MB in the end (delta: 10.0 MB). Free memory was 11.3 MB in the beginning and 28.0 MB in the end (delta: -16.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:15,127 INFO L168 Benchmark]: CDTParser took 0.35 ms. Allocated memory is still 36.7 MB. Free memory is still 16.0 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 01:15:15,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.06 ms. Allocated memory was 36.7 MB in the beginning and 44.0 MB in the end (delta: 7.3 MB). Free memory was 10.4 MB in the beginning and 27.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:15,133 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.24 ms. Allocated memory is still 44.0 MB. Free memory was 27.4 MB in the beginning and 25.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:15,134 INFO L168 Benchmark]: Boogie Preprocessor took 26.78 ms. Allocated memory is still 44.0 MB. Free memory was 25.6 MB in the beginning and 24.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:15,136 INFO L168 Benchmark]: RCFGBuilder took 332.57 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 24.1 MB in the beginning and 23.6 MB in the end (delta: 482.8 kB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:15,137 INFO L168 Benchmark]: TraceAbstraction took 269.02 ms. Allocated memory is still 46.1 MB. Free memory was 23.2 MB in the beginning and 12.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:15,138 INFO L168 Benchmark]: Witness Printer took 94.07 ms. Allocated memory was 46.1 MB in the beginning and 46.7 MB in the end (delta: 524.3 kB). Free memory was 12.1 MB in the beginning and 28.0 MB in the end (delta: -15.9 MB). Peak memory consumption was 2.1 MB. Max. memory is 14.3 GB. [2020-10-20 01:15:15,145 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.35 ms. Allocated memory is still 36.7 MB. Free memory is still 16.0 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 332.06 ms. Allocated memory was 36.7 MB in the beginning and 44.0 MB in the end (delta: 7.3 MB). Free memory was 10.4 MB in the beginning and 27.4 MB in the end (delta: -17.0 MB). Peak memory consumption was 7.4 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 43.24 ms. Allocated memory is still 44.0 MB. Free memory was 27.4 MB in the beginning and 25.6 MB in the end (delta: 1.8 MB). Peak memory consumption was 1.8 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 26.78 ms. Allocated memory is still 44.0 MB. Free memory was 25.6 MB in the beginning and 24.1 MB in the end (delta: 1.5 MB). Peak memory consumption was 1.5 MB. Max. memory is 14.3 GB. * RCFGBuilder took 332.57 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 24.1 MB in the beginning and 23.6 MB in the end (delta: 482.8 kB). Peak memory consumption was 13.6 MB. Max. memory is 14.3 GB. * TraceAbstraction took 269.02 ms. Allocated memory is still 46.1 MB. Free memory was 23.2 MB in the beginning and 12.1 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 14.3 GB. * Witness Printer took 94.07 ms. Allocated memory was 46.1 MB in the beginning and 46.7 MB in the end (delta: 524.3 kB). Free memory was 12.1 MB in the beginning and 28.0 MB in the end (delta: -15.9 MB). Peak memory consumption was 2.1 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: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 27 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=27occurred 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, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 9 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 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...