./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/sum02-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 906a4fb5 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/bitvector/sum02-1.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 ac7d4175c94552e4f21f509ea6e5d5d560923b89 .............................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-906a4fb [2020-10-19 18:37:17,274 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-19 18:37:17,276 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-19 18:37:17,308 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-19 18:37:17,309 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-19 18:37:17,310 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-19 18:37:17,312 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-19 18:37:17,314 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-19 18:37:17,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-19 18:37:17,317 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-19 18:37:17,318 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-19 18:37:17,319 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-19 18:37:17,320 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-19 18:37:17,321 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-19 18:37:17,322 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-19 18:37:17,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-19 18:37:17,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-19 18:37:17,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-19 18:37:17,328 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-19 18:37:17,330 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-19 18:37:17,332 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-19 18:37:17,333 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-19 18:37:17,335 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-19 18:37:17,336 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-19 18:37:17,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-19 18:37:17,339 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-19 18:37:17,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-19 18:37:17,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-19 18:37:17,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-19 18:37:17,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-19 18:37:17,343 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-19 18:37:17,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-19 18:37:17,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-19 18:37:17,345 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-19 18:37:17,347 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-19 18:37:17,347 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-19 18:37:17,348 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-19 18:37:17,348 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-19 18:37:17,348 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-19 18:37:17,349 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-19 18:37:17,350 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-19 18:37:17,351 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-10-19 18:37:17,382 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-19 18:37:17,382 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-19 18:37:17,384 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-19 18:37:17,385 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-19 18:37:17,385 INFO L138 SettingsManager]: * Use SBE=true [2020-10-19 18:37:17,386 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-19 18:37:17,386 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-19 18:37:17,386 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-19 18:37:17,386 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-19 18:37:17,387 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-19 18:37:17,388 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-19 18:37:17,388 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-19 18:37:17,389 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-19 18:37:17,389 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-19 18:37:17,389 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-19 18:37:17,390 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-19 18:37:17,390 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-19 18:37:17,391 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-19 18:37:17,392 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-19 18:37:17,392 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-19 18:37:17,393 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-19 18:37:17,393 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-19 18:37:17,393 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-19 18:37:17,394 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-19 18:37:17,394 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-19 18:37:17,394 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-19 18:37:17,395 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-19 18:37:17,395 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-19 18:37:17,395 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-19 18:37:17,395 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-19 18:37:17,396 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-19 18:37:17,396 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 -> ac7d4175c94552e4f21f509ea6e5d5d560923b89 [2020-10-19 18:37:17,747 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-19 18:37:17,761 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-19 18:37:17,768 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-19 18:37:17,770 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-19 18:37:17,771 INFO L275 PluginConnector]: CDTParser initialized [2020-10-19 18:37:17,773 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/sum02-1.c [2020-10-19 18:37:17,836 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1bf90743/a4b49bf56785427fab72e01140943a44/FLAGb7a4b4a57 [2020-10-19 18:37:18,345 INFO L306 CDTParser]: Found 1 translation units. [2020-10-19 18:37:18,346 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/sum02-1.c [2020-10-19 18:37:18,352 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1bf90743/a4b49bf56785427fab72e01140943a44/FLAGb7a4b4a57 [2020-10-19 18:37:18,750 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/b1bf90743/a4b49bf56785427fab72e01140943a44 [2020-10-19 18:37:18,753 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-19 18:37:18,760 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-19 18:37:18,761 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-19 18:37:18,762 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-19 18:37:18,765 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-19 18:37:18,766 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:37:18" (1/1) ... [2020-10-19 18:37:18,769 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ab8e8d7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:18, skipping insertion in model container [2020-10-19 18:37:18,770 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.10 06:37:18" (1/1) ... [2020-10-19 18:37:18,778 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-19 18:37:18,798 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-19 18:37:18,966 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:37:18,977 INFO L203 MainTranslator]: Completed pre-run [2020-10-19 18:37:18,991 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-19 18:37:19,006 INFO L208 MainTranslator]: Completed translation [2020-10-19 18:37:19,007 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:19 WrapperNode [2020-10-19 18:37:19,007 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-19 18:37:19,008 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-19 18:37:19,008 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-19 18:37:19,008 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-19 18:37:19,017 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:19" (1/1) ... [2020-10-19 18:37:19,024 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:19" (1/1) ... [2020-10-19 18:37:19,103 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-19 18:37:19,103 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-19 18:37:19,103 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-19 18:37:19,103 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-19 18:37:19,110 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:19" (1/1) ... [2020-10-19 18:37:19,111 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:19" (1/1) ... [2020-10-19 18:37:19,112 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:19" (1/1) ... [2020-10-19 18:37:19,112 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:19" (1/1) ... [2020-10-19 18:37:19,116 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:19" (1/1) ... [2020-10-19 18:37:19,121 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:19" (1/1) ... [2020-10-19 18:37:19,122 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:19" (1/1) ... [2020-10-19 18:37:19,124 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-19 18:37:19,124 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-19 18:37:19,125 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-19 18:37:19,125 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-19 18:37:19,126 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:19" (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 [2020-10-19 18:37:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-19 18:37:19,200 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-19 18:37:19,200 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-19 18:37:19,201 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-19 18:37:19,400 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-19 18:37:19,400 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-19 18:37:19,402 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:37:19 BoogieIcfgContainer [2020-10-19 18:37:19,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-19 18:37:19,404 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-19 18:37:19,405 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-19 18:37:19,408 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-19 18:37:19,409 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.10 06:37:18" (1/3) ... [2020-10-19 18:37:19,410 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55610ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:37:19, skipping insertion in model container [2020-10-19 18:37:19,410 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.10 06:37:19" (2/3) ... [2020-10-19 18:37:19,411 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@55610ad4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.10 06:37:19, skipping insertion in model container [2020-10-19 18:37:19,411 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:37:19" (3/3) ... [2020-10-19 18:37:19,413 INFO L111 eAbstractionObserver]: Analyzing ICFG sum02-1.c [2020-10-19 18:37:19,427 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-19 18:37:19,436 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-19 18:37:19,460 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-19 18:37:19,497 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-19 18:37:19,497 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-19 18:37:19,498 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-19 18:37:19,498 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-19 18:37:19,498 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-19 18:37:19,498 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-19 18:37:19,499 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-19 18:37:19,499 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-19 18:37:19,517 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-10-19 18:37:19,524 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-19 18:37:19,527 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-19 18:37:19,590 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-19 18:37:19,590 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-10-19 18:37:19,591 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-19 18:37:19,591 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-19 18:37:19,591 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-19 18:37:19,591 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-19 18:37:19,591 INFO L274 CegarLoopResult]: For program point L14-2(lines 14 16) no Hoare annotation was computed. [2020-10-19 18:37:19,592 INFO L277 CegarLoopResult]: At program point L14-3(lines 14 16) the Hoare annotation is: true [2020-10-19 18:37:19,592 INFO L274 CegarLoopResult]: For program point L14-4(lines 14 16) no Hoare annotation was computed. [2020-10-19 18:37:19,592 INFO L274 CegarLoopResult]: For program point L6(lines 6 8) no Hoare annotation was computed. [2020-10-19 18:37:19,592 INFO L277 CegarLoopResult]: At program point L6-2(lines 1 18) the Hoare annotation is: true [2020-10-19 18:37:19,600 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.10 06:37:19 BoogieIcfgContainer [2020-10-19 18:37:19,600 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-19 18:37:19,601 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-19 18:37:19,601 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-19 18:37:19,601 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-19 18:37:19,602 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.10 06:37:19" (3/4) ... [2020-10-19 18:37:19,605 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-19 18:37:19,619 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-19 18:37:19,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-19 18:37:19,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 18:37:19,620 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-19 18:37:19,669 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-19 18:37:19,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-19 18:37:19,672 INFO L168 Benchmark]: Toolchain (without parser) took 916.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 954.6 MB in the beginning and 1.0 GB in the end (delta: -93.9 MB). There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:37:19,672 INFO L168 Benchmark]: CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:37:19,673 INFO L168 Benchmark]: CACSL2BoogieTranslator took 245.79 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:19,674 INFO L168 Benchmark]: Boogie Procedure Inliner took 95.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 943.9 MB in the beginning and 1.1 GB in the end (delta: -138.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:19,675 INFO L168 Benchmark]: Boogie Preprocessor took 21.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:19,676 INFO L168 Benchmark]: RCFGBuilder took 278.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:19,677 INFO L168 Benchmark]: TraceAbstraction took 195.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. [2020-10-19 18:37:19,678 INFO L168 Benchmark]: Witness Printer took 68.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. Max. memory is 11.5 GB. [2020-10-19 18:37:19,682 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.30 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 245.79 ms. Allocated memory is still 1.0 GB. Free memory was 954.6 MB in the beginning and 943.9 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 95.12 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 87.0 MB). Free memory was 943.9 MB in the beginning and 1.1 GB in the end (delta: -138.7 MB). Peak memory consumption was 9.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 21.10 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 278.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 195.94 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 11.5 GB. * Witness Printer took 68.46 ms. Allocated memory is still 1.1 GB. Free memory is still 1.0 GB. There was no memory consumed. 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. - InvariantResult [Line: 14]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 11 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=11occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 2 LocationsWithAnnotation, 2 PreInvPairs, 2 NumberOfFragments, 2 HoareAnnotationTreeSize, 2 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 2 FomulaSimplificationsInter, 0 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...