./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 678e0110 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -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/recursive/BallRajamani-SPIN2000-Fig1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ccae6f392e1d87c0b193f39dee91a5c51306cb93 .............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 22:18:24,978 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 22:18:24,980 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 22:18:25,000 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 22:18:25,000 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 22:18:25,002 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 22:18:25,004 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 22:18:25,011 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 22:18:25,013 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 22:18:25,014 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 22:18:25,015 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 22:18:25,017 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 22:18:25,017 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 22:18:25,019 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 22:18:25,020 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 22:18:25,021 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 22:18:25,024 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 22:18:25,028 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 22:18:25,031 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 22:18:25,035 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 22:18:25,037 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 22:18:25,038 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 22:18:25,039 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 22:18:25,040 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 22:18:25,043 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 22:18:25,043 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 22:18:25,044 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 22:18:25,046 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 22:18:25,047 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 22:18:25,049 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 22:18:25,049 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 22:18:25,050 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 22:18:25,051 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 22:18:25,052 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 22:18:25,053 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 22:18:25,057 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 22:18:25,058 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 22:18:25,058 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 22:18:25,059 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 22:18:25,060 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 22:18:25,064 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 22:18:25,066 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2019-11-19 22:18:25,088 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 22:18:25,089 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 22:18:25,091 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 22:18:25,092 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 22:18:25,092 INFO L138 SettingsManager]: * Use SBE=true [2019-11-19 22:18:25,092 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 22:18:25,093 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 22:18:25,093 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2019-11-19 22:18:25,093 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 22:18:25,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 22:18:25,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 22:18:25,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 22:18:25,096 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 22:18:25,096 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 22:18:25,097 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2019-11-19 22:18:25,097 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 22:18:25,097 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 22:18:25,097 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 22:18:25,098 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 22:18:25,098 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 22:18:25,099 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-19 22:18:25,099 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 22:18:25,099 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-19 22:18:25,099 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:18:25,100 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 22:18:25,100 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 22:18:25,100 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 22:18:25,101 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-19 22:18:25,101 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 22:18:25,101 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 22:18:25,101 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ccae6f392e1d87c0b193f39dee91a5c51306cb93 [2019-11-19 22:18:25,398 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 22:18:25,414 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 22:18:25,417 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 22:18:25,419 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 22:18:25,419 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 22:18:25,421 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c [2019-11-19 22:18:25,488 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2057956ca/161f8522fea5413ead3c8b65f78f38d6/FLAGc3f2cebf2 [2019-11-19 22:18:25,954 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 22:18:25,955 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive/BallRajamani-SPIN2000-Fig1.c [2019-11-19 22:18:25,962 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2057956ca/161f8522fea5413ead3c8b65f78f38d6/FLAGc3f2cebf2 [2019-11-19 22:18:26,299 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/2057956ca/161f8522fea5413ead3c8b65f78f38d6 [2019-11-19 22:18:26,303 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 22:18:26,305 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 22:18:26,306 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 22:18:26,307 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 22:18:26,310 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 22:18:26,311 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:18:26" (1/1) ... [2019-11-19 22:18:26,314 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4bfeabe7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:26, skipping insertion in model container [2019-11-19 22:18:26,315 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:18:26" (1/1) ... [2019-11-19 22:18:26,323 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 22:18:26,345 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 22:18:26,520 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:18:26,525 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 22:18:26,541 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 22:18:26,557 INFO L192 MainTranslator]: Completed translation [2019-11-19 22:18:26,558 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:26 WrapperNode [2019-11-19 22:18:26,558 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 22:18:26,559 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 22:18:26,559 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 22:18:26,559 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 22:18:26,569 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:26" (1/1) ... [2019-11-19 22:18:26,575 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:26" (1/1) ... [2019-11-19 22:18:26,593 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 22:18:26,594 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 22:18:26,594 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 22:18:26,594 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 22:18:26,656 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:26" (1/1) ... [2019-11-19 22:18:26,656 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:26" (1/1) ... [2019-11-19 22:18:26,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:26" (1/1) ... [2019-11-19 22:18:26,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:26" (1/1) ... [2019-11-19 22:18:26,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:26" (1/1) ... [2019-11-19 22:18:26,663 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:26" (1/1) ... [2019-11-19 22:18:26,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:26" (1/1) ... [2019-11-19 22:18:26,667 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 22:18:26,667 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 22:18:26,667 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 22:18:26,668 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 22:18:26,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:26" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-19 22:18:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure A [2019-11-19 22:18:26,717 INFO L138 BoogieDeclarations]: Found implementation of procedure A [2019-11-19 22:18:26,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 22:18:26,718 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 22:18:26,885 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 22:18:26,886 INFO L285 CfgBuilder]: Removed 4 assume(true) statements. [2019-11-19 22:18:26,887 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:18:26 BoogieIcfgContainer [2019-11-19 22:18:26,887 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 22:18:26,888 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-19 22:18:26,888 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-19 22:18:26,891 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-19 22:18:26,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:18:26" (1/3) ... [2019-11-19 22:18:26,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e020e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:18:26, skipping insertion in model container [2019-11-19 22:18:26,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:18:26" (2/3) ... [2019-11-19 22:18:26,893 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@30e020e9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:18:26, skipping insertion in model container [2019-11-19 22:18:26,893 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:18:26" (3/3) ... [2019-11-19 22:18:26,895 INFO L109 eAbstractionObserver]: Analyzing ICFG BallRajamani-SPIN2000-Fig1.c [2019-11-19 22:18:26,903 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-19 22:18:26,908 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2019-11-19 22:18:26,920 INFO L249 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2019-11-19 22:18:26,946 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-19 22:18:26,946 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-19 22:18:26,946 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-19 22:18:26,947 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-19 22:18:26,947 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-19 22:18:26,947 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-19 22:18:26,947 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-19 22:18:26,947 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-19 22:18:26,966 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states. [2019-11-19 22:18:26,972 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 22:18:26,978 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 17 states. [2019-11-19 22:18:27,038 INFO L444 ceAbstractionStarter]: For program point L17(lines 17 21) no Hoare annotation was computed. [2019-11-19 22:18:27,039 INFO L444 ceAbstractionStarter]: For program point L18-1(line 18) no Hoare annotation was computed. [2019-11-19 22:18:27,039 INFO L444 ceAbstractionStarter]: For program point L17-2(lines 16 22) no Hoare annotation was computed. [2019-11-19 22:18:27,039 INFO L447 ceAbstractionStarter]: At program point AENTRY(lines 16 22) the Hoare annotation is: true [2019-11-19 22:18:27,039 INFO L444 ceAbstractionStarter]: For program point AEXIT(lines 16 22) no Hoare annotation was computed. [2019-11-19 22:18:27,040 INFO L447 ceAbstractionStarter]: At program point L18(line 18) the Hoare annotation is: true [2019-11-19 22:18:27,040 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-19 22:18:27,040 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-19 22:18:27,040 INFO L444 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-19 22:18:27,040 INFO L444 ceAbstractionStarter]: For program point L30(lines 30 32) no Hoare annotation was computed. [2019-11-19 22:18:27,041 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-19 22:18:27,041 INFO L447 ceAbstractionStarter]: At program point L29(line 29) the Hoare annotation is: true [2019-11-19 22:18:27,041 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-19 22:18:27,041 INFO L447 ceAbstractionStarter]: At program point L28(line 28) the Hoare annotation is: true [2019-11-19 22:18:27,041 INFO L444 ceAbstractionStarter]: For program point L29-1(line 29) no Hoare annotation was computed. [2019-11-19 22:18:27,042 INFO L444 ceAbstractionStarter]: For program point L28-1(line 28) no Hoare annotation was computed. [2019-11-19 22:18:27,042 INFO L444 ceAbstractionStarter]: For program point L25(lines 25 33) no Hoare annotation was computed. [2019-11-19 22:18:27,046 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:18:27 BoogieIcfgContainer [2019-11-19 22:18:27,047 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-19 22:18:27,047 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 22:18:27,047 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 22:18:27,047 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 22:18:27,048 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:18:26" (3/4) ... [2019-11-19 22:18:27,052 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 22:18:27,060 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure A [2019-11-19 22:18:27,066 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-19 22:18:27,066 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-11-19 22:18:27,113 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2019-11-19 22:18:27,114 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 22:18:27,116 INFO L168 Benchmark]: Toolchain (without parser) took 810.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 951.0 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:18:27,117 INFO L168 Benchmark]: CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:18:27,118 INFO L168 Benchmark]: CACSL2BoogieTranslator took 252.32 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-19 22:18:27,118 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.60 ms. Allocated memory is still 1.0 GB. Free memory is still 940.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 22:18:27,119 INFO L168 Benchmark]: Boogie Preprocessor took 73.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -200.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2019-11-19 22:18:27,120 INFO L168 Benchmark]: RCFGBuilder took 219.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2019-11-19 22:18:27,120 INFO L168 Benchmark]: TraceAbstraction took 158.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. [2019-11-19 22:18:27,121 INFO L168 Benchmark]: Witness Printer took 66.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2019-11-19 22:18:27,125 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.27 ms. Allocated memory is still 1.0 GB. Free memory is still 981.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 252.32 ms. Allocated memory is still 1.0 GB. Free memory was 951.0 MB in the beginning and 940.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.60 ms. Allocated memory is still 1.0 GB. Free memory is still 940.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 73.13 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 940.2 MB in the beginning and 1.1 GB in the end (delta: -200.8 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 219.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 158.53 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.2 MB). Peak memory consumption was 8.2 MB. Max. memory is 11.5 GB. * Witness Printer took 66.64 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 17 locations, 0 error locations. Result: SAFE, OverallTime: 0.0s, OverallIterations: 0, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17occurred 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, 8 PreInvPairs, 8 NumberOfFragments, 4 HoareAnnotationTreeSize, 8 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...