./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/nla-digbench-scaling/dijkstra_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 54858612 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_1.5.800.v20200727-1323.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/dijkstra_unwindbound20.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 d430129dfad9b65cb36a9e84f0f04066ab262544 .................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.0-5485861 [2020-10-25 22:36:32,306 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-25 22:36:32,311 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-25 22:36:32,364 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-25 22:36:32,364 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-25 22:36:32,370 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-25 22:36:32,372 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-25 22:36:32,378 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-25 22:36:32,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-25 22:36:32,391 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-25 22:36:32,392 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-25 22:36:32,396 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-25 22:36:32,396 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-25 22:36:32,397 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-25 22:36:32,400 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-25 22:36:32,402 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-25 22:36:32,403 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-25 22:36:32,404 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-25 22:36:32,409 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-25 22:36:32,413 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-25 22:36:32,418 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-25 22:36:32,421 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-25 22:36:32,422 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-25 22:36:32,424 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-25 22:36:32,431 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-25 22:36:32,432 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-25 22:36:32,433 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-25 22:36:32,434 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-25 22:36:32,436 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-25 22:36:32,438 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-25 22:36:32,438 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-25 22:36:32,439 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-25 22:36:32,441 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-25 22:36:32,442 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-25 22:36:32,443 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-25 22:36:32,444 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-25 22:36:32,445 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-25 22:36:32,445 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-25 22:36:32,445 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-25 22:36:32,448 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-25 22:36:32,454 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-25 22:36:32,455 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2020-10-25 22:36:32,507 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-25 22:36:32,508 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-25 22:36:32,510 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-25 22:36:32,511 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-25 22:36:32,511 INFO L138 SettingsManager]: * Use SBE=true [2020-10-25 22:36:32,511 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-25 22:36:32,512 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-25 22:36:32,512 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-25 22:36:32,512 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-25 22:36:32,513 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-25 22:36:32,514 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-25 22:36:32,514 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-25 22:36:32,514 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-25 22:36:32,514 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-25 22:36:32,515 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-25 22:36:32,515 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-25 22:36:32,515 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-25 22:36:32,516 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-25 22:36:32,516 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-25 22:36:32,516 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-25 22:36:32,517 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-25 22:36:32,517 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-25 22:36:32,517 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-25 22:36:32,517 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-25 22:36:32,518 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-25 22:36:32,518 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-25 22:36:32,518 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-25 22:36:32,518 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-25 22:36:32,519 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-25 22:36:32,519 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> d430129dfad9b65cb36a9e84f0f04066ab262544 [2020-10-25 22:36:32,932 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-25 22:36:32,970 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-25 22:36:32,975 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-25 22:36:32,976 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-25 22:36:32,977 INFO L275 PluginConnector]: CDTParser initialized [2020-10-25 22:36:32,978 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/dijkstra_unwindbound20.c [2020-10-25 22:36:33,061 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ccf78493/b8a59e2c0288429ba0d1e0ca66a1816c/FLAGe1336b84c [2020-10-25 22:36:33,725 INFO L306 CDTParser]: Found 1 translation units. [2020-10-25 22:36:33,725 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/dijkstra_unwindbound20.c [2020-10-25 22:36:33,734 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ccf78493/b8a59e2c0288429ba0d1e0ca66a1816c/FLAGe1336b84c [2020-10-25 22:36:34,072 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7ccf78493/b8a59e2c0288429ba0d1e0ca66a1816c [2020-10-25 22:36:34,075 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-25 22:36:34,080 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-25 22:36:34,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-25 22:36:34,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-25 22:36:34,087 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-25 22:36:34,088 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:36:34" (1/1) ... [2020-10-25 22:36:34,092 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33bec717 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:34, skipping insertion in model container [2020-10-25 22:36:34,093 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.10 10:36:34" (1/1) ... [2020-10-25 22:36:34,101 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-25 22:36:34,127 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-25 22:36:34,314 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:36:34,320 INFO L203 MainTranslator]: Completed pre-run [2020-10-25 22:36:34,366 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-25 22:36:34,381 INFO L208 MainTranslator]: Completed translation [2020-10-25 22:36:34,381 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:34 WrapperNode [2020-10-25 22:36:34,382 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-25 22:36:34,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-25 22:36:34,383 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-25 22:36:34,383 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-25 22:36:34,391 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:34" (1/1) ... [2020-10-25 22:36:34,398 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:34" (1/1) ... [2020-10-25 22:36:34,429 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-25 22:36:34,430 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-25 22:36:34,430 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-25 22:36:34,430 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-25 22:36:34,442 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:34" (1/1) ... [2020-10-25 22:36:34,442 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:34" (1/1) ... [2020-10-25 22:36:34,454 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:34" (1/1) ... [2020-10-25 22:36:34,455 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:34" (1/1) ... [2020-10-25 22:36:34,462 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:34" (1/1) ... [2020-10-25 22:36:34,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:34" (1/1) ... [2020-10-25 22:36:34,487 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:34" (1/1) ... [2020-10-25 22:36:34,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-25 22:36:34,494 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-25 22:36:34,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-25 22:36:34,494 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-25 22:36:34,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:34" (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 [2020-10-25 22:36:34,593 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-25 22:36:34,593 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-25 22:36:35,039 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-25 22:36:35,040 INFO L298 CfgBuilder]: Removed 42 assume(true) statements. [2020-10-25 22:36:35,041 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:36:35 BoogieIcfgContainer [2020-10-25 22:36:35,042 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-25 22:36:35,047 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-25 22:36:35,048 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-25 22:36:35,051 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-25 22:36:35,051 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.10 10:36:34" (1/3) ... [2020-10-25 22:36:35,052 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b0da565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:36:35, skipping insertion in model container [2020-10-25 22:36:35,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.10 10:36:34" (2/3) ... [2020-10-25 22:36:35,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4b0da565 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.10 10:36:35, skipping insertion in model container [2020-10-25 22:36:35,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:36:35" (3/3) ... [2020-10-25 22:36:35,055 INFO L111 eAbstractionObserver]: Analyzing ICFG dijkstra_unwindbound20.c [2020-10-25 22:36:35,067 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-25 22:36:35,072 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-25 22:36:35,086 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-25 22:36:35,113 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-25 22:36:35,113 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-25 22:36:35,114 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-25 22:36:35,114 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-25 22:36:35,114 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-25 22:36:35,114 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-25 22:36:35,114 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-25 22:36:35,115 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-25 22:36:35,130 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states. [2020-10-25 22:36:35,136 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-25 22:36:35,139 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 30 states. [2020-10-25 22:36:35,233 INFO L274 CegarLoopResult]: For program point L11(lines 11 14) no Hoare annotation was computed. [2020-10-25 22:36:35,234 INFO L277 CegarLoopResult]: At program point L11-1(lines 10 16) the Hoare annotation is: true [2020-10-25 22:36:35,234 INFO L274 CegarLoopResult]: For program point L11-2(lines 11 14) no Hoare annotation was computed. [2020-10-25 22:36:35,234 INFO L277 CegarLoopResult]: At program point L11-3(lines 10 16) the Hoare annotation is: true [2020-10-25 22:36:35,234 INFO L274 CegarLoopResult]: For program point L11-4(lines 11 14) no Hoare annotation was computed. [2020-10-25 22:36:35,234 INFO L277 CegarLoopResult]: At program point L11-5(lines 10 16) the Hoare annotation is: true [2020-10-25 22:36:35,235 INFO L274 CegarLoopResult]: For program point L11-6(lines 11 14) no Hoare annotation was computed. [2020-10-25 22:36:35,235 INFO L274 CegarLoopResult]: For program point L36(lines 36 54) no Hoare annotation was computed. [2020-10-25 22:36:35,235 INFO L277 CegarLoopResult]: At program point L11-7(lines 10 16) the Hoare annotation is: true [2020-10-25 22:36:35,235 INFO L274 CegarLoopResult]: For program point L11-8(lines 11 14) no Hoare annotation was computed. [2020-10-25 22:36:35,235 INFO L277 CegarLoopResult]: At program point L11-9(lines 10 16) the Hoare annotation is: true [2020-10-25 22:36:35,235 INFO L274 CegarLoopResult]: For program point L36-2(lines 36 54) no Hoare annotation was computed. [2020-10-25 22:36:35,236 INFO L274 CegarLoopResult]: For program point L11-10(lines 11 14) no Hoare annotation was computed. [2020-10-25 22:36:35,236 INFO L277 CegarLoopResult]: At program point L11-11(lines 44 45) the Hoare annotation is: true [2020-10-25 22:36:35,236 INFO L274 CegarLoopResult]: For program point L11-12(lines 11 14) no Hoare annotation was computed. [2020-10-25 22:36:35,237 INFO L277 CegarLoopResult]: At program point L11-13(lines 10 16) the Hoare annotation is: true [2020-10-25 22:36:35,237 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-25 22:36:35,237 INFO L274 CegarLoopResult]: For program point L11-14(lines 11 14) no Hoare annotation was computed. [2020-10-25 22:36:35,237 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-25 22:36:35,237 INFO L277 CegarLoopResult]: At program point L11-15(lines 10 16) the Hoare annotation is: true [2020-10-25 22:36:35,238 INFO L274 CegarLoopResult]: For program point L28-1(lines 28 33) no Hoare annotation was computed. [2020-10-25 22:36:35,238 INFO L274 CegarLoopResult]: For program point L11-16(lines 11 14) no Hoare annotation was computed. [2020-10-25 22:36:35,238 INFO L277 CegarLoopResult]: At program point L11-17(lines 10 16) the Hoare annotation is: true [2020-10-25 22:36:35,238 INFO L277 CegarLoopResult]: At program point L28-3(lines 28 33) the Hoare annotation is: true [2020-10-25 22:36:35,239 INFO L274 CegarLoopResult]: For program point L29(lines 29 30) no Hoare annotation was computed. [2020-10-25 22:36:35,239 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-25 22:36:35,239 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-25 22:36:35,239 INFO L277 CegarLoopResult]: At program point L58(lines 19 59) the Hoare annotation is: true [2020-10-25 22:36:35,239 INFO L274 CegarLoopResult]: For program point L50(lines 50 53) no Hoare annotation was computed. [2020-10-25 22:36:35,240 INFO L274 CegarLoopResult]: For program point L50-2(lines 19 59) no Hoare annotation was computed. [2020-10-25 22:36:35,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.10 10:36:35 BoogieIcfgContainer [2020-10-25 22:36:35,249 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-25 22:36:35,250 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-25 22:36:35,251 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-25 22:36:35,251 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-25 22:36:35,252 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.10 10:36:35" (3/4) ... [2020-10-25 22:36:35,256 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-25 22:36:35,269 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 12 nodes and edges [2020-10-25 22:36:35,270 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2020-10-25 22:36:35,330 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-25 22:36:35,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-25 22:36:35,333 INFO L168 Benchmark]: Toolchain (without parser) took 1255.70 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 21.6 MB in the beginning and 25.3 MB in the end (delta: -3.7 MB). Peak memory consumption was 9.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:36:35,334 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 44.0 MB. Free memory was 24.2 MB in the beginning and 24.2 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. [2020-10-25 22:36:35,335 INFO L168 Benchmark]: CACSL2BoogieTranslator took 299.74 ms. Allocated memory is still 44.0 MB. Free memory was 21.0 MB in the beginning and 22.4 MB in the end (delta: -1.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:36:35,335 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.61 ms. Allocated memory is still 44.0 MB. Free memory was 22.3 MB in the beginning and 20.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. [2020-10-25 22:36:35,336 INFO L168 Benchmark]: Boogie Preprocessor took 62.88 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.6 MB in the beginning and 39.3 MB in the end (delta: -18.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:36:35,337 INFO L168 Benchmark]: RCFGBuilder took 548.06 ms. Allocated memory is still 54.5 MB. Free memory was 39.3 MB in the beginning and 25.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. [2020-10-25 22:36:35,338 INFO L168 Benchmark]: TraceAbstraction took 202.37 ms. Allocated memory is still 54.5 MB. Free memory was 38.4 MB in the beginning and 28.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. [2020-10-25 22:36:35,338 INFO L168 Benchmark]: Witness Printer took 80.25 ms. Allocated memory is still 54.5 MB. Free memory was 28.6 MB in the beginning and 25.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 GB. [2020-10-25 22:36:35,342 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 44.0 MB. Free memory was 24.2 MB in the beginning and 24.2 MB in the end (delta: 33.2 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 299.74 ms. Allocated memory is still 44.0 MB. Free memory was 21.0 MB in the beginning and 22.4 MB in the end (delta: -1.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 46.61 ms. Allocated memory is still 44.0 MB. Free memory was 22.3 MB in the beginning and 20.6 MB in the end (delta: 1.7 MB). Peak memory consumption was 2.1 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 62.88 ms. Allocated memory was 44.0 MB in the beginning and 54.5 MB in the end (delta: 10.5 MB). Free memory was 20.6 MB in the beginning and 39.3 MB in the end (delta: -18.7 MB). Peak memory consumption was 5.2 MB. Max. memory is 16.1 GB. * RCFGBuilder took 548.06 ms. Allocated memory is still 54.5 MB. Free memory was 39.3 MB in the beginning and 25.0 MB in the end (delta: 14.3 MB). Peak memory consumption was 12.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 202.37 ms. Allocated memory is still 54.5 MB. Free memory was 38.4 MB in the beginning and 28.6 MB in the end (delta: 9.8 MB). Peak memory consumption was 8.4 MB. Max. memory is 16.1 GB. * Witness Printer took 80.25 ms. Allocated memory is still 54.5 MB. Free memory was 28.6 MB in the beginning and 25.3 MB in the end (delta: 3.3 MB). Peak memory consumption was 4.2 MB. Max. memory is 16.1 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: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 19]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 44]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 28]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 30 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=30occurred 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, 11 LocationsWithAnnotation, 11 PreInvPairs, 11 NumberOfFragments, 11 HoareAnnotationTreeSize, 11 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 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...