./Ultimate.py --spec /storage/repos/svcomp/c/properties/no-overflow.prp --file /storage/repos/svcomp/c/recursive/Addition03_false-no-overflow.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 91b1670e Calling Ultimate with: 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 /storage/repos/svcomp/c/recursive/Addition03_false-no-overflow.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 dddcb69df051b3342ff5d327b07dc16715e4d058 ................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.24-91b1670 [2018-11-28 23:09:26,071 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 23:09:26,073 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 23:09:26,090 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 23:09:26,090 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 23:09:26,091 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 23:09:26,093 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 23:09:26,095 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 23:09:26,097 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 23:09:26,098 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 23:09:26,099 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 23:09:26,099 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 23:09:26,100 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 23:09:26,102 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 23:09:26,103 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 23:09:26,104 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 23:09:26,105 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 23:09:26,107 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 23:09:26,109 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 23:09:26,111 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 23:09:26,112 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 23:09:26,114 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 23:09:26,116 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 23:09:26,117 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 23:09:26,117 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 23:09:26,118 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 23:09:26,119 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 23:09:26,120 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 23:09:26,121 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 23:09:26,122 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 23:09:26,123 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 23:09:26,124 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 23:09:26,124 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 23:09:26,124 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 23:09:26,125 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 23:09:26,127 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 23:09:26,127 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2018-11-28 23:09:26,151 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 23:09:26,151 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 23:09:26,152 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 23:09:26,152 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 23:09:26,155 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 23:09:26,155 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 23:09:26,156 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 23:09:26,156 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 23:09:26,156 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 23:09:26,156 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-28 23:09:26,156 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 23:09:26,156 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 23:09:26,157 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 23:09:26,157 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 23:09:26,157 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 23:09:26,157 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 23:09:26,157 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-28 23:09:26,157 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 23:09:26,160 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 23:09:26,160 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 23:09:26,160 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 23:09:26,160 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 23:09:26,161 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 23:09:26,161 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 23:09:26,161 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 23:09:26,161 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 23:09:26,161 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 23:09:26,161 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 23:09:26,162 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 23:09:26,162 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 23:09:26,162 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 23:09:26,162 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 23:09:26,162 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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 -> dddcb69df051b3342ff5d327b07dc16715e4d058 [2018-11-28 23:09:26,201 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 23:09:26,214 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 23:09:26,222 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 23:09:26,224 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 23:09:26,226 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 23:09:26,227 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/svcomp/c/recursive/Addition03_false-no-overflow.c [2018-11-28 23:09:26,303 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a68a0bf12/5d6b899a74f34d50b977ea79c310e9ff/FLAG25e66241c [2018-11-28 23:09:26,777 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 23:09:26,778 INFO L161 CDTParser]: Scanning /storage/repos/svcomp/c/recursive/Addition03_false-no-overflow.c [2018-11-28 23:09:26,785 INFO L355 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a68a0bf12/5d6b899a74f34d50b977ea79c310e9ff/FLAG25e66241c [2018-11-28 23:09:27,112 INFO L363 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/a68a0bf12/5d6b899a74f34d50b977ea79c310e9ff [2018-11-28 23:09:27,121 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 23:09:27,123 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 23:09:27,124 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 23:09:27,124 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 23:09:27,130 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 23:09:27,131 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:09:27" (1/1) ... [2018-11-28 23:09:27,135 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@364f73cc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:09:27, skipping insertion in model container [2018-11-28 23:09:27,136 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 11:09:27" (1/1) ... [2018-11-28 23:09:27,144 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 23:09:27,165 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 23:09:27,395 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:09:27,401 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 23:09:27,425 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 23:09:27,444 INFO L195 MainTranslator]: Completed translation [2018-11-28 23:09:27,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:09:27 WrapperNode [2018-11-28 23:09:27,445 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 23:09:27,446 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 23:09:27,446 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 23:09:27,446 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 23:09:27,457 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:09:27" (1/1) ... [2018-11-28 23:09:27,462 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:09:27" (1/1) ... [2018-11-28 23:09:27,470 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 23:09:27,470 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 23:09:27,470 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 23:09:27,470 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 23:09:27,481 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:09:27" (1/1) ... [2018-11-28 23:09:27,481 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:09:27" (1/1) ... [2018-11-28 23:09:27,482 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:09:27" (1/1) ... [2018-11-28 23:09:27,482 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:09:27" (1/1) ... [2018-11-28 23:09:27,492 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:09:27" (1/1) ... [2018-11-28 23:09:27,499 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:09:27" (1/1) ... [2018-11-28 23:09:27,500 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:09:27" (1/1) ... [2018-11-28 23:09:27,502 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 23:09:27,505 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 23:09:27,505 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 23:09:27,505 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 23:09:27,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:09:27" (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 [2018-11-28 23:09:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 23:09:27,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 23:09:27,652 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 23:09:27,652 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 23:09:27,653 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 23:09:27,654 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 23:09:27,654 INFO L130 BoogieDeclarations]: Found specification of procedure addition [2018-11-28 23:09:27,654 INFO L138 BoogieDeclarations]: Found implementation of procedure addition [2018-11-28 23:09:28,038 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 23:09:28,039 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-28 23:09:28,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:09:28 BoogieIcfgContainer [2018-11-28 23:09:28,039 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 23:09:28,040 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 23:09:28,040 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 23:09:28,044 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 23:09:28,045 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 11:09:27" (1/3) ... [2018-11-28 23:09:28,046 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d75355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:09:28, skipping insertion in model container [2018-11-28 23:09:28,046 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 11:09:27" (2/3) ... [2018-11-28 23:09:28,047 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d75355 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 11:09:28, skipping insertion in model container [2018-11-28 23:09:28,047 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:09:28" (3/3) ... [2018-11-28 23:09:28,049 INFO L112 eAbstractionObserver]: Analyzing ICFG Addition03_false-no-overflow.c [2018-11-28 23:09:28,060 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 23:09:28,068 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 8 error locations. [2018-11-28 23:09:28,085 INFO L257 AbstractCegarLoop]: Starting to check reachability of 8 error locations. [2018-11-28 23:09:28,116 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 23:09:28,117 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 23:09:28,117 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 23:09:28,118 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 23:09:28,118 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 23:09:28,118 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 23:09:28,118 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 23:09:28,118 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 23:09:28,118 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 23:09:28,143 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states. [2018-11-28 23:09:28,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-28 23:09:28,150 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 23:09:28,150 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 23:09:28,153 INFO L423 AbstractCegarLoop]: === Iteration 1 === [additionErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, additionErr7ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-28 23:09:28,160 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 23:09:28,160 INFO L82 PathProgramCache]: Analyzing trace with hash -1552818681, now seen corresponding path program 1 times [2018-11-28 23:09:28,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 23:09:28,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 23:09:28,209 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:09:28,210 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 23:09:28,210 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 23:09:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:09:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-28 23:09:28,280 INFO L469 BasicCegarLoop]: Counterexample might be feasible [2018-11-28 23:09:28,309 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 11:09:28 BoogieIcfgContainer [2018-11-28 23:09:28,309 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 23:09:28,310 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 23:09:28,310 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 23:09:28,310 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 23:09:28,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 11:09:28" (3/4) ... [2018-11-28 23:09:28,315 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-28 23:09:28,361 INFO L145 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2018-11-28 23:09:28,361 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 23:09:28,362 INFO L168 Benchmark]: Toolchain (without parser) took 1241.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -169.8 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:09:28,365 INFO L168 Benchmark]: CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:09:28,365 INFO L168 Benchmark]: CACSL2BoogieTranslator took 321.97 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 933.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-28 23:09:28,366 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.89 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:09:28,367 INFO L168 Benchmark]: Boogie Preprocessor took 32.34 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:09:28,368 INFO L168 Benchmark]: RCFGBuilder took 534.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -195.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. [2018-11-28 23:09:28,369 INFO L168 Benchmark]: TraceAbstraction took 269.24 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-28 23:09:28,370 INFO L168 Benchmark]: Witness Printer took 51.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 23:09:28,375 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.40 ms. Allocated memory is still 1.0 GB. Free memory is still 972.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 321.97 ms. Allocated memory is still 1.0 GB. Free memory was 944.7 MB in the beginning and 933.9 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 23.89 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.34 ms. Allocated memory is still 1.0 GB. Free memory is still 933.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 534.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 151.0 MB). Free memory was 933.9 MB in the beginning and 1.1 GB in the end (delta: -195.5 MB). Peak memory consumption was 24.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 269.24 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: 15.0 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * Witness Printer took 51.78 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L27] int m = __VERIFIER_nondet_int(); [L28] int n = __VERIFIER_nondet_int(); [L29] CALL addition(m,n) VAL [\old(m)=2147483647, \old(n)=1] [L14] COND FALSE !(n == 0) VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] [L17] COND TRUE n > 0 VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] [L18] m+1 VAL [\old(m)=2147483647, \old(n)=1, m=2147483647, n=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 39 locations, 8 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=39occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...