./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/bresenham_valuebound2.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/bresenham_valuebound2.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 7a90d34c59b93c64a9667460f1403f64f2890636 ................................................................................................................................................................................................................................. 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 01:14:12,150 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 01:14:12,153 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 01:14:12,189 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 01:14:12,189 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 01:14:12,190 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 01:14:12,192 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 01:14:12,193 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 01:14:12,195 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 01:14:12,196 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 01:14:12,197 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 01:14:12,198 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 01:14:12,202 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 01:14:12,203 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 01:14:12,206 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 01:14:12,207 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 01:14:12,208 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 01:14:12,209 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 01:14:12,213 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 01:14:12,217 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 01:14:12,218 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 01:14:12,222 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 01:14:12,223 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 01:14:12,226 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 01:14:12,230 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 01:14:12,231 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 01:14:12,231 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 01:14:12,233 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 01:14:12,235 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 01:14:12,236 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 01:14:12,237 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 01:14:12,237 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 01:14:12,239 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 01:14:12,240 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 01:14:12,241 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 01:14:12,242 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 01:14:12,243 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 01:14:12,243 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 01:14:12,243 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 01:14:12,244 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 01:14:12,245 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 01:14:12,246 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-20 01:14:12,290 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 01:14:12,290 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 01:14:12,292 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 01:14:12,292 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 01:14:12,292 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 01:14:12,294 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 01:14:12,294 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 01:14:12,294 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 01:14:12,294 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 01:14:12,295 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 01:14:12,296 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 01:14:12,296 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 01:14:12,296 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 01:14:12,297 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 01:14:12,297 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 01:14:12,297 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 01:14:12,297 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 01:14:12,298 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 01:14:12,298 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 01:14:12,299 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 01:14:12,299 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 01:14:12,299 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 01:14:12,299 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 01:14:12,300 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 01:14:12,300 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 01:14:12,300 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 01:14:12,300 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 01:14:12,301 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 01:14:12,301 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 01:14:12,301 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 -> 7a90d34c59b93c64a9667460f1403f64f2890636 [2020-10-20 01:14:12,502 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 01:14:12,515 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 01:14:12,522 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 01:14:12,525 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 01:14:12,526 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 01:14:12,527 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/bresenham_valuebound2.c [2020-10-20 01:14:12,592 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd9669df0/d4f7bf3b8df24e789f795654ee91f4d8/FLAG6315e19dd [2020-10-20 01:14:13,009 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 01:14:13,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/bresenham_valuebound2.c [2020-10-20 01:14:13,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd9669df0/d4f7bf3b8df24e789f795654ee91f4d8/FLAG6315e19dd [2020-10-20 01:14:13,390 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bd9669df0/d4f7bf3b8df24e789f795654ee91f4d8 [2020-10-20 01:14:13,393 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 01:14:13,400 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 01:14:13,401 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 01:14:13,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 01:14:13,405 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 01:14:13,406 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:14:13" (1/1) ... [2020-10-20 01:14:13,409 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@59b7703e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:13, skipping insertion in model container [2020-10-20 01:14:13,409 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 01:14:13" (1/1) ... [2020-10-20 01:14:13,416 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 01:14:13,437 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 01:14:13,689 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:14:13,693 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 01:14:13,711 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 01:14:13,724 INFO L208 MainTranslator]: Completed translation [2020-10-20 01:14:13,725 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:13 WrapperNode [2020-10-20 01:14:13,725 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 01:14:13,726 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 01:14:13,726 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 01:14:13,726 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 01:14:13,733 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:13" (1/1) ... [2020-10-20 01:14:13,738 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:13" (1/1) ... [2020-10-20 01:14:13,756 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 01:14:13,757 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 01:14:13,757 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 01:14:13,757 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 01:14:13,766 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:13" (1/1) ... [2020-10-20 01:14:13,766 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:13" (1/1) ... [2020-10-20 01:14:13,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:13" (1/1) ... [2020-10-20 01:14:13,767 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:13" (1/1) ... [2020-10-20 01:14:13,770 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:13" (1/1) ... [2020-10-20 01:14:13,775 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:13" (1/1) ... [2020-10-20 01:14:13,776 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:13" (1/1) ... [2020-10-20 01:14:13,780 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 01:14:13,781 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 01:14:13,781 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 01:14:13,781 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 01:14:13,782 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:13" (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 01:14:13,835 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 01:14:13,836 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 01:14:14,036 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 01:14:14,037 INFO L298 CfgBuilder]: Removed 17 assume(true) statements. [2020-10-20 01:14:14,038 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:14:14 BoogieIcfgContainer [2020-10-20 01:14:14,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 01:14:14,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 01:14:14,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 01:14:14,043 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 01:14:14,044 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 01:14:13" (1/3) ... [2020-10-20 01:14:14,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7f4d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:14:14, skipping insertion in model container [2020-10-20 01:14:14,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 01:14:13" (2/3) ... [2020-10-20 01:14:14,045 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3a7f4d1a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 01:14:14, skipping insertion in model container [2020-10-20 01:14:14,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:14:14" (3/3) ... [2020-10-20 01:14:14,047 INFO L111 eAbstractionObserver]: Analyzing ICFG bresenham_valuebound2.c [2020-10-20 01:14:14,064 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 01:14:14,074 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 01:14:14,090 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 01:14:14,120 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 01:14:14,120 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 01:14:14,121 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 01:14:14,121 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 01:14:14,121 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 01:14:14,121 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 01:14:14,122 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 01:14:14,122 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 01:14:14,137 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states. [2020-10-20 01:14:14,143 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 01:14:14,147 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 16 states. [2020-10-20 01:14:14,212 INFO L277 CegarLoopResult]: At program point L31-2(lines 31 44) the Hoare annotation is: true [2020-10-20 01:14:14,212 INFO L274 CegarLoopResult]: For program point L31-3(lines 31 44) no Hoare annotation was computed. [2020-10-20 01:14:14,212 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 01:14:14,213 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 01:14:14,213 INFO L274 CegarLoopResult]: For program point L37(lines 37 42) no Hoare annotation was computed. [2020-10-20 01:14:14,213 INFO L274 CegarLoopResult]: For program point L37-2(lines 37 42) no Hoare annotation was computed. [2020-10-20 01:14:14,213 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 01:14:14,213 INFO L274 CegarLoopResult]: For program point L13(lines 13 16) no Hoare annotation was computed. [2020-10-20 01:14:14,213 INFO L277 CegarLoopResult]: At program point L13-1(lines 33 34) the Hoare annotation is: true [2020-10-20 01:14:14,214 INFO L274 CegarLoopResult]: For program point L13-2(lines 13 16) no Hoare annotation was computed. [2020-10-20 01:14:14,214 INFO L277 CegarLoopResult]: At program point L13-3(lines 12 18) the Hoare annotation is: true [2020-10-20 01:14:14,215 INFO L274 CegarLoopResult]: For program point L9(lines 9 11) no Hoare annotation was computed. [2020-10-20 01:14:14,215 INFO L274 CegarLoopResult]: For program point L9-1(lines 9 11) no Hoare annotation was computed. [2020-10-20 01:14:14,215 INFO L277 CegarLoopResult]: At program point L47(lines 20 48) the Hoare annotation is: true [2020-10-20 01:14:14,216 INFO L274 CegarLoopResult]: For program point L10(line 10) no Hoare annotation was computed. [2020-10-20 01:14:14,216 INFO L274 CegarLoopResult]: For program point L10-2(line 10) no Hoare annotation was computed. [2020-10-20 01:14:14,224 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 01:14:14 BoogieIcfgContainer [2020-10-20 01:14:14,225 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 01:14:14,225 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 01:14:14,226 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 01:14:14,226 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 01:14:14,226 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 01:14:14" (3/4) ... [2020-10-20 01:14:14,230 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 01:14:14,240 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-10-20 01:14:14,240 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-20 01:14:14,297 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 01:14:14,297 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 01:14:14,300 INFO L168 Benchmark]: Toolchain (without parser) took 904.21 ms. Allocated memory was 35.7 MB in the beginning and 47.2 MB in the end (delta: 11.5 MB). Free memory was 9.6 MB in the beginning and 15.8 MB in the end (delta: -6.2 MB). Peak memory consumption was 5.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:14,300 INFO L168 Benchmark]: CDTParser took 0.75 ms. Allocated memory is still 35.7 MB. Free memory is still 14.6 MB. There was no memory consumed. Max. memory is 14.3 GB. [2020-10-20 01:14:14,301 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.23 ms. Allocated memory was 35.7 MB in the beginning and 45.1 MB in the end (delta: 9.4 MB). Free memory was 8.7 MB in the beginning and 28.9 MB in the end (delta: -20.1 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:14,302 INFO L168 Benchmark]: Boogie Procedure Inliner took 30.60 ms. Allocated memory is still 45.1 MB. Free memory was 28.9 MB in the beginning and 27.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:14,303 INFO L168 Benchmark]: Boogie Preprocessor took 23.53 ms. Allocated memory is still 45.1 MB. Free memory was 27.2 MB in the beginning and 25.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:14,303 INFO L168 Benchmark]: RCFGBuilder took 258.25 ms. Allocated memory was 45.1 MB in the beginning and 47.2 MB in the end (delta: 2.1 MB). Free memory was 25.9 MB in the beginning and 28.9 MB in the end (delta: -3.0 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:14,304 INFO L168 Benchmark]: TraceAbstraction took 185.13 ms. Allocated memory is still 47.2 MB. Free memory was 28.3 MB in the beginning and 19.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:14,305 INFO L168 Benchmark]: Witness Printer took 71.81 ms. Allocated memory is still 47.2 MB. Free memory was 19.1 MB in the beginning and 15.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 14.3 GB. [2020-10-20 01:14:14,309 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.75 ms. Allocated memory is still 35.7 MB. Free memory is still 14.6 MB. There was no memory consumed. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 324.23 ms. Allocated memory was 35.7 MB in the beginning and 45.1 MB in the end (delta: 9.4 MB). Free memory was 8.7 MB in the beginning and 28.9 MB in the end (delta: -20.1 MB). Peak memory consumption was 6.6 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 30.60 ms. Allocated memory is still 45.1 MB. Free memory was 28.9 MB in the beginning and 27.2 MB in the end (delta: 1.7 MB). Peak memory consumption was 1.7 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 23.53 ms. Allocated memory is still 45.1 MB. Free memory was 27.2 MB in the beginning and 25.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 258.25 ms. Allocated memory was 45.1 MB in the beginning and 47.2 MB in the end (delta: 2.1 MB). Free memory was 25.9 MB in the beginning and 28.9 MB in the end (delta: -3.0 MB). Peak memory consumption was 14.8 MB. Max. memory is 14.3 GB. * TraceAbstraction took 185.13 ms. Allocated memory is still 47.2 MB. Free memory was 28.3 MB in the beginning and 19.1 MB in the end (delta: 9.3 MB). Peak memory consumption was 9.3 MB. Max. memory is 14.3 GB. * Witness Printer took 71.81 ms. Allocated memory is still 47.2 MB. Free memory was 19.1 MB in the beginning and 15.8 MB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 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: 20]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 12]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 31]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 16 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=16occurred 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, 4 LocationsWithAnnotation, 4 PreInvPairs, 4 NumberOfFragments, 4 HoareAnnotationTreeSize, 4 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 4 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...