./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 9a8b2e8d Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/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 0.1.25-9a8b2e8 [2020-10-20 06:30:13,838 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-10-20 06:30:13,841 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-10-20 06:30:13,864 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-10-20 06:30:13,865 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-10-20 06:30:13,866 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-10-20 06:30:13,868 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-10-20 06:30:13,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-10-20 06:30:13,872 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-10-20 06:30:13,873 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-10-20 06:30:13,874 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-10-20 06:30:13,875 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-10-20 06:30:13,875 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-10-20 06:30:13,876 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-10-20 06:30:13,877 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-10-20 06:30:13,879 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-10-20 06:30:13,880 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-10-20 06:30:13,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-10-20 06:30:13,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-10-20 06:30:13,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-10-20 06:30:13,886 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-10-20 06:30:13,887 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-10-20 06:30:13,888 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-10-20 06:30:13,900 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-10-20 06:30:13,906 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-10-20 06:30:13,908 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-10-20 06:30:13,908 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-10-20 06:30:13,910 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-10-20 06:30:13,911 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-10-20 06:30:13,914 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-10-20 06:30:13,914 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-10-20 06:30:13,915 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-10-20 06:30:13,916 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-10-20 06:30:13,918 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-10-20 06:30:13,919 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-10-20 06:30:13,920 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-10-20 06:30:13,921 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-10-20 06:30:13,922 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-10-20 06:30:13,922 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-10-20 06:30:13,923 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-10-20 06:30:13,926 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-10-20 06:30:13,927 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2020-10-20 06:30:13,982 INFO L113 SettingsManager]: Loading preferences was successful [2020-10-20 06:30:13,983 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-10-20 06:30:13,984 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-10-20 06:30:13,987 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-10-20 06:30:13,987 INFO L138 SettingsManager]: * Use SBE=true [2020-10-20 06:30:13,988 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-10-20 06:30:13,988 INFO L138 SettingsManager]: * sizeof long=4 [2020-10-20 06:30:13,988 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-10-20 06:30:13,989 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-10-20 06:30:13,989 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-10-20 06:30:13,989 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-10-20 06:30:13,989 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-10-20 06:30:13,989 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-10-20 06:30:13,990 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-10-20 06:30:13,990 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-10-20 06:30:13,990 INFO L138 SettingsManager]: * sizeof long double=12 [2020-10-20 06:30:13,990 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-10-20 06:30:13,991 INFO L138 SettingsManager]: * Use constant arrays=true [2020-10-20 06:30:13,991 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-10-20 06:30:13,991 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-10-20 06:30:13,991 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-10-20 06:30:13,992 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-10-20 06:30:13,992 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-10-20 06:30:13,992 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:30:13,993 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-10-20 06:30:13,993 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-10-20 06:30:13,993 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-10-20 06:30:13,993 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-10-20 06:30:13,993 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-10-20 06:30:13,994 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-10-20 06:30:13,994 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-10-20 06:30:13,994 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 [2020-10-20 06:30:14,214 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-10-20 06:30:14,234 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-10-20 06:30:14,239 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-10-20 06:30:14,241 INFO L271 PluginConnector]: Initializing CDTParser... [2020-10-20 06:30:14,242 INFO L275 PluginConnector]: CDTParser initialized [2020-10-20 06:30:14,243 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/sum02-1.c [2020-10-20 06:30:14,319 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad23ff7d1/4c0fd8873db1465fb4a525573e59407b/FLAG53e47f5da [2020-10-20 06:30:14,790 INFO L306 CDTParser]: Found 1 translation units. [2020-10-20 06:30:14,790 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/sum02-1.c [2020-10-20 06:30:14,797 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad23ff7d1/4c0fd8873db1465fb4a525573e59407b/FLAG53e47f5da [2020-10-20 06:30:15,198 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/ad23ff7d1/4c0fd8873db1465fb4a525573e59407b [2020-10-20 06:30:15,203 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-10-20 06:30:15,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-10-20 06:30:15,214 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-10-20 06:30:15,214 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-10-20 06:30:15,218 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-10-20 06:30:15,220 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:30:15" (1/1) ... [2020-10-20 06:30:15,223 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@224ea65f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:15, skipping insertion in model container [2020-10-20 06:30:15,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.10 06:30:15" (1/1) ... [2020-10-20 06:30:15,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-10-20 06:30:15,256 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-10-20 06:30:15,574 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:30:15,589 INFO L203 MainTranslator]: Completed pre-run [2020-10-20 06:30:15,611 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-10-20 06:30:15,632 INFO L208 MainTranslator]: Completed translation [2020-10-20 06:30:15,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:15 WrapperNode [2020-10-20 06:30:15,633 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-10-20 06:30:15,634 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-10-20 06:30:15,634 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-10-20 06:30:15,636 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-10-20 06:30:15,646 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:15" (1/1) ... [2020-10-20 06:30:15,655 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:15" (1/1) ... [2020-10-20 06:30:15,680 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-10-20 06:30:15,681 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-10-20 06:30:15,681 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-10-20 06:30:15,681 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-10-20 06:30:15,692 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:15" (1/1) ... [2020-10-20 06:30:15,692 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:15" (1/1) ... [2020-10-20 06:30:15,704 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:15" (1/1) ... [2020-10-20 06:30:15,704 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:15" (1/1) ... [2020-10-20 06:30:15,714 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:15" (1/1) ... [2020-10-20 06:30:15,720 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:15" (1/1) ... [2020-10-20 06:30:15,722 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:15" (1/1) ... [2020-10-20 06:30:15,726 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-10-20 06:30:15,727 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-10-20 06:30:15,727 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-10-20 06:30:15,728 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-10-20 06:30:15,729 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:15" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-10-20 06:30:15,808 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-10-20 06:30:15,809 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-10-20 06:30:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-10-20 06:30:15,809 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-10-20 06:30:16,218 INFO L293 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-10-20 06:30:16,219 INFO L298 CfgBuilder]: Removed 9 assume(true) statements. [2020-10-20 06:30:16,221 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:30:16 BoogieIcfgContainer [2020-10-20 06:30:16,222 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-10-20 06:30:16,224 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-10-20 06:30:16,228 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-10-20 06:30:16,233 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-10-20 06:30:16,233 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.10 06:30:15" (1/3) ... [2020-10-20 06:30:16,235 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edafbaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:30:16, skipping insertion in model container [2020-10-20 06:30:16,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.10 06:30:15" (2/3) ... [2020-10-20 06:30:16,236 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3edafbaf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.10 06:30:16, skipping insertion in model container [2020-10-20 06:30:16,237 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:30:16" (3/3) ... [2020-10-20 06:30:16,239 INFO L111 eAbstractionObserver]: Analyzing ICFG sum02-1.c [2020-10-20 06:30:16,252 INFO L164 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-10-20 06:30:16,263 INFO L176 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-10-20 06:30:16,282 INFO L253 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-10-20 06:30:16,312 INFO L377 AbstractCegarLoop]: Interprodecural is true [2020-10-20 06:30:16,313 INFO L378 AbstractCegarLoop]: Hoare is true [2020-10-20 06:30:16,314 INFO L379 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-10-20 06:30:16,314 INFO L380 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-10-20 06:30:16,315 INFO L381 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-10-20 06:30:16,315 INFO L382 AbstractCegarLoop]: Difference is false [2020-10-20 06:30:16,316 INFO L383 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-10-20 06:30:16,316 INFO L387 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-10-20 06:30:16,339 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2020-10-20 06:30:16,347 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-10-20 06:30:16,351 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 11 states. [2020-10-20 06:30:16,414 INFO L274 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-10-20 06:30:16,414 INFO L274 CegarLoopResult]: For program point L7(line 7) no Hoare annotation was computed. [2020-10-20 06:30:16,414 INFO L274 CegarLoopResult]: For program point L3(line 3) no Hoare annotation was computed. [2020-10-20 06:30:16,415 INFO L274 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-10-20 06:30:16,415 INFO L274 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-10-20 06:30:16,415 INFO L274 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-10-20 06:30:16,415 INFO L274 CegarLoopResult]: For program point L14-2(lines 14 16) no Hoare annotation was computed. [2020-10-20 06:30:16,415 INFO L277 CegarLoopResult]: At program point L14-3(lines 14 16) the Hoare annotation is: true [2020-10-20 06:30:16,416 INFO L274 CegarLoopResult]: For program point L14-4(lines 14 16) no Hoare annotation was computed. [2020-10-20 06:30:16,416 INFO L274 CegarLoopResult]: For program point L6(lines 6 8) no Hoare annotation was computed. [2020-10-20 06:30:16,416 INFO L277 CegarLoopResult]: At program point L6-2(lines 1 18) the Hoare annotation is: true [2020-10-20 06:30:16,426 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.10 06:30:16 BoogieIcfgContainer [2020-10-20 06:30:16,427 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-10-20 06:30:16,428 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-10-20 06:30:16,428 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-10-20 06:30:16,429 INFO L275 PluginConnector]: Witness Printer initialized [2020-10-20 06:30:16,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.10 06:30:16" (3/4) ... [2020-10-20 06:30:16,434 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-10-20 06:30:16,445 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2020-10-20 06:30:16,446 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-10-20 06:30:16,446 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:30:16,447 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-10-20 06:30:16,493 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-10-20 06:30:16,493 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-10-20 06:30:16,496 INFO L168 Benchmark]: Toolchain (without parser) took 1290.42 ms. Allocated memory was 36.7 MB in the beginning and 46.1 MB in the end (delta: 9.4 MB). Free memory was 17.4 MB in the beginning and 11.9 MB in the end (delta: 5.5 MB). Peak memory consumption was 14.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:16,498 INFO L168 Benchmark]: CDTParser took 0.43 ms. Allocated memory is still 34.1 MB. Free memory was 10.4 MB in the beginning and 10.3 MB in the end (delta: 87.6 kB). Peak memory consumption was 87.6 kB. Max. memory is 14.3 GB. [2020-10-20 06:30:16,499 INFO L168 Benchmark]: CACSL2BoogieTranslator took 419.69 ms. Allocated memory was 36.7 MB in the beginning and 44.0 MB in the end (delta: 7.3 MB). Free memory was 16.6 MB in the beginning and 25.8 MB in the end (delta: -9.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:16,499 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.40 ms. Allocated memory is still 44.0 MB. Free memory was 25.8 MB in the beginning and 24.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:16,500 INFO L168 Benchmark]: Boogie Preprocessor took 45.80 ms. Allocated memory is still 44.0 MB. Free memory was 24.3 MB in the beginning and 22.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:16,501 INFO L168 Benchmark]: RCFGBuilder took 495.29 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 22.9 MB in the beginning and 24.0 MB in the end (delta: -1.1 MB). Peak memory consumption was 12.0 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:16,502 INFO L168 Benchmark]: TraceAbstraction took 202.86 ms. Allocated memory is still 46.1 MB. Free memory was 23.5 MB in the beginning and 14.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:16,503 INFO L168 Benchmark]: Witness Printer took 65.47 ms. Allocated memory is still 46.1 MB. Free memory was 14.7 MB in the beginning and 11.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. [2020-10-20 06:30:16,508 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.43 ms. Allocated memory is still 34.1 MB. Free memory was 10.4 MB in the beginning and 10.3 MB in the end (delta: 87.6 kB). Peak memory consumption was 87.6 kB. Max. memory is 14.3 GB. * CACSL2BoogieTranslator took 419.69 ms. Allocated memory was 36.7 MB in the beginning and 44.0 MB in the end (delta: 7.3 MB). Free memory was 16.6 MB in the beginning and 25.8 MB in the end (delta: -9.3 MB). Peak memory consumption was 9.9 MB. Max. memory is 14.3 GB. * Boogie Procedure Inliner took 46.40 ms. Allocated memory is still 44.0 MB. Free memory was 25.8 MB in the beginning and 24.3 MB in the end (delta: 1.6 MB). Peak memory consumption was 1.6 MB. Max. memory is 14.3 GB. * Boogie Preprocessor took 45.80 ms. Allocated memory is still 44.0 MB. Free memory was 24.3 MB in the beginning and 22.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 14.3 GB. * RCFGBuilder took 495.29 ms. Allocated memory was 44.0 MB in the beginning and 46.1 MB in the end (delta: 2.1 MB). Free memory was 22.9 MB in the beginning and 24.0 MB in the end (delta: -1.1 MB). Peak memory consumption was 12.0 MB. Max. memory is 14.3 GB. * TraceAbstraction took 202.86 ms. Allocated memory is still 46.1 MB. Free memory was 23.5 MB in the beginning and 14.7 MB in the end (delta: 8.8 MB). Peak memory consumption was 8.8 MB. Max. memory is 14.3 GB. * Witness Printer took 65.47 ms. Allocated memory is still 46.1 MB. Free memory was 14.7 MB in the beginning and 11.9 MB in the end (delta: 2.8 MB). Peak memory consumption was 2.8 MB. Max. memory is 14.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 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...