./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i --full-output -ea --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8bd4bc60 Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx12G -Xms1G -ea -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/signedintegeroverflow-regression/Multiplication-1.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-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 64bit --witnessprinter.graph.data.programhash 8d75e9fae498ee6dcc1db93c63bfd5373c78fc1b .......................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-8bd4bc6 [2020-07-29 01:22:27,103 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-07-29 01:22:27,105 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-07-29 01:22:27,118 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-07-29 01:22:27,118 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-07-29 01:22:27,120 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-07-29 01:22:27,121 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-07-29 01:22:27,124 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-07-29 01:22:27,126 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-07-29 01:22:27,127 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-07-29 01:22:27,128 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-07-29 01:22:27,129 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-07-29 01:22:27,130 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-07-29 01:22:27,131 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-07-29 01:22:27,132 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-07-29 01:22:27,137 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-07-29 01:22:27,138 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-07-29 01:22:27,139 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-07-29 01:22:27,141 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-07-29 01:22:27,143 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-07-29 01:22:27,145 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-07-29 01:22:27,146 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-07-29 01:22:27,148 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-07-29 01:22:27,149 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-07-29 01:22:27,151 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-07-29 01:22:27,152 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-07-29 01:22:27,152 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-07-29 01:22:27,153 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-07-29 01:22:27,154 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-07-29 01:22:27,155 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-07-29 01:22:27,155 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-07-29 01:22:27,156 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-07-29 01:22:27,157 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-07-29 01:22:27,158 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-07-29 01:22:27,159 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-07-29 01:22:27,159 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-07-29 01:22:27,160 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-07-29 01:22:27,160 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-07-29 01:22:27,161 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-07-29 01:22:27,162 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-07-29 01:22:27,163 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-07-29 01:22:27,164 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2020-07-29 01:22:27,179 INFO L113 SettingsManager]: Loading preferences was successful [2020-07-29 01:22:27,179 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-07-29 01:22:27,181 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-07-29 01:22:27,181 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-07-29 01:22:27,181 INFO L138 SettingsManager]: * Use SBE=true [2020-07-29 01:22:27,182 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-07-29 01:22:27,182 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2020-07-29 01:22:27,182 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-07-29 01:22:27,182 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-07-29 01:22:27,183 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-07-29 01:22:27,183 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-07-29 01:22:27,183 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-07-29 01:22:27,183 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2020-07-29 01:22:27,184 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-07-29 01:22:27,184 INFO L138 SettingsManager]: * Use constant arrays=true [2020-07-29 01:22:27,184 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-07-29 01:22:27,185 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-07-29 01:22:27,185 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-07-29 01:22:27,185 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-07-29 01:22:27,185 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-07-29 01:22:27,186 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-07-29 01:22:27,186 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-07-29 01:22:27,186 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-07-29 01:22:27,187 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-07-29 01:22:27,187 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-07-29 01:22:27,187 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-07-29 01:22:27,187 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-07-29 01:22:27,188 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-07-29 01:22:27,188 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 -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 8d75e9fae498ee6dcc1db93c63bfd5373c78fc1b [2020-07-29 01:22:27,535 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-07-29 01:22:27,558 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-07-29 01:22:27,562 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-07-29 01:22:27,563 INFO L271 PluginConnector]: Initializing CDTParser... [2020-07-29 01:22:27,564 INFO L275 PluginConnector]: CDTParser initialized [2020-07-29 01:22:27,566 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2020-07-29 01:22:27,648 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6f487fc6/34365ad3664043c785216b96b298fb4a/FLAG73e804e84 [2020-07-29 01:22:28,207 INFO L306 CDTParser]: Found 1 translation units. [2020-07-29 01:22:28,208 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/signedintegeroverflow-regression/Multiplication-1.i [2020-07-29 01:22:28,225 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6f487fc6/34365ad3664043c785216b96b298fb4a/FLAG73e804e84 [2020-07-29 01:22:28,423 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/d6f487fc6/34365ad3664043c785216b96b298fb4a [2020-07-29 01:22:28,428 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-07-29 01:22:28,431 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2020-07-29 01:22:28,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-07-29 01:22:28,435 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-07-29 01:22:28,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-07-29 01:22:28,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:22:28" (1/1) ... [2020-07-29 01:22:28,443 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@22313cf9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:22:28, skipping insertion in model container [2020-07-29 01:22:28,443 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.07 01:22:28" (1/1) ... [2020-07-29 01:22:28,451 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-07-29 01:22:28,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-07-29 01:22:28,849 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:22:28,866 INFO L203 MainTranslator]: Completed pre-run [2020-07-29 01:22:28,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-07-29 01:22:28,980 INFO L208 MainTranslator]: Completed translation [2020-07-29 01:22:28,981 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:22:28 WrapperNode [2020-07-29 01:22:28,981 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-07-29 01:22:28,982 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2020-07-29 01:22:28,982 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2020-07-29 01:22:28,982 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2020-07-29 01:22:28,992 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:22:28" (1/1) ... [2020-07-29 01:22:29,008 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:22:28" (1/1) ... [2020-07-29 01:22:29,033 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2020-07-29 01:22:29,033 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-07-29 01:22:29,034 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-07-29 01:22:29,034 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-07-29 01:22:29,045 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:22:28" (1/1) ... [2020-07-29 01:22:29,046 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:22:28" (1/1) ... [2020-07-29 01:22:29,048 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:22:28" (1/1) ... [2020-07-29 01:22:29,049 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:22:28" (1/1) ... [2020-07-29 01:22:29,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:22:28" (1/1) ... [2020-07-29 01:22:29,055 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:22:28" (1/1) ... [2020-07-29 01:22:29,057 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:22:28" (1/1) ... [2020-07-29 01:22:29,059 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-07-29 01:22:29,059 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-07-29 01:22:29,060 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-07-29 01:22:29,060 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-07-29 01:22:29,061 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:22:28" (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 [2020-07-29 01:22:29,145 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2020-07-29 01:22:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2020-07-29 01:22:29,146 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-07-29 01:22:29,147 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-07-29 01:22:29,417 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-07-29 01:22:29,417 INFO L295 CfgBuilder]: Removed 4 assume(true) statements. [2020-07-29 01:22:29,420 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:22:29 BoogieIcfgContainer [2020-07-29 01:22:29,421 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-07-29 01:22:29,422 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-07-29 01:22:29,422 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-07-29 01:22:29,426 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-07-29 01:22:29,426 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.07 01:22:28" (1/3) ... [2020-07-29 01:22:29,427 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f33ed10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:22:29, skipping insertion in model container [2020-07-29 01:22:29,427 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.07 01:22:28" (2/3) ... [2020-07-29 01:22:29,428 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4f33ed10 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.07 01:22:29, skipping insertion in model container [2020-07-29 01:22:29,428 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:22:29" (3/3) ... [2020-07-29 01:22:29,430 INFO L109 eAbstractionObserver]: Analyzing ICFG Multiplication-1.i [2020-07-29 01:22:29,441 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2020-07-29 01:22:29,448 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 0 error locations. [2020-07-29 01:22:29,463 INFO L251 AbstractCegarLoop]: Starting to check reachability of 0 error locations. [2020-07-29 01:22:29,487 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-07-29 01:22:29,488 INFO L376 AbstractCegarLoop]: Hoare is true [2020-07-29 01:22:29,488 INFO L377 AbstractCegarLoop]: Compute interpolants for FPandBP [2020-07-29 01:22:29,488 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-07-29 01:22:29,488 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-07-29 01:22:29,488 INFO L380 AbstractCegarLoop]: Difference is false [2020-07-29 01:22:29,489 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-07-29 01:22:29,489 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-07-29 01:22:29,504 INFO L276 IsEmpty]: Start isEmpty. Operand 5 states. [2020-07-29 01:22:29,510 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2020-07-29 01:22:29,514 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 5 states. [2020-07-29 01:22:29,564 INFO L268 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2020-07-29 01:22:29,564 INFO L268 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2020-07-29 01:22:29,565 INFO L271 CegarLoopResult]: At program point L334(lines 331 335) the Hoare annotation is: true [2020-07-29 01:22:29,565 INFO L268 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2020-07-29 01:22:29,565 INFO L268 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2020-07-29 01:22:29,570 WARN L170 areAnnotationChecker]: ULTIMATE.startENTRY has no Hoare annotation [2020-07-29 01:22:29,570 WARN L170 areAnnotationChecker]: L-1 has no Hoare annotation [2020-07-29 01:22:29,570 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-29 01:22:29,570 WARN L170 areAnnotationChecker]: ULTIMATE.startFINAL has no Hoare annotation [2020-07-29 01:22:29,570 INFO L163 areAnnotationChecker]: CFG has 0 edges. 0 inductive. 0 not inductive. 0 times theorem prover too weak to decide inductivity. 0 times interpolants missing. [2020-07-29 01:22:29,577 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.07 01:22:29 BoogieIcfgContainer [2020-07-29 01:22:29,577 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2020-07-29 01:22:29,578 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2020-07-29 01:22:29,582 INFO L271 PluginConnector]: Initializing Witness Printer... [2020-07-29 01:22:29,582 INFO L275 PluginConnector]: Witness Printer initialized [2020-07-29 01:22:29,583 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.07 01:22:29" (3/4) ... [2020-07-29 01:22:29,589 INFO L137 WitnessPrinter]: Generating witness for correct program [2020-07-29 01:22:29,603 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2020-07-29 01:22:29,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2020-07-29 01:22:29,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-29 01:22:29,604 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2020-07-29 01:22:29,640 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2020-07-29 01:22:29,640 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2020-07-29 01:22:29,643 INFO L168 Benchmark]: Toolchain (without parser) took 1212.85 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 962.9 MB in the beginning and 1.1 GB in the end (delta: -122.9 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2020-07-29 01:22:29,643 INFO L168 Benchmark]: CDTParser took 0.62 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2020-07-29 01:22:29,644 INFO L168 Benchmark]: CACSL2BoogieTranslator took 547.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 962.9 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. [2020-07-29 01:22:29,645 INFO L168 Benchmark]: Boogie Procedure Inliner took 51.08 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. [2020-07-29 01:22:29,646 INFO L168 Benchmark]: Boogie Preprocessor took 25.64 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:22:29,647 INFO L168 Benchmark]: RCFGBuilder took 361.69 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2020-07-29 01:22:29,648 INFO L168 Benchmark]: TraceAbstraction took 155.55 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. [2020-07-29 01:22:29,648 INFO L168 Benchmark]: Witness Printer took 61.90 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. [2020-07-29 01:22:29,652 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - AssertionsEnabledResult: Assertions are enabled Assertions are enabled - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.62 ms. Allocated memory is still 1.0 GB. Free memory is still 987.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 547.73 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 962.9 MB in the beginning and 1.1 GB in the end (delta: -161.0 MB). Peak memory consumption was 20.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 51.08 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. * Boogie Preprocessor took 25.64 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 361.69 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: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 155.55 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: 13.1 MB). Peak memory consumption was 13.1 MB. Max. memory is 11.5 GB. * Witness Printer took 61.90 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: - AllSpecificationsHoldResult: All specifications hold We were not able to verify any specifiation because the program does not contain any specification. - InvariantResult [Line: 331]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 5 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=5occurred 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, 1 LocationsWithAnnotation, 1 PreInvPairs, 1 NumberOfFragments, 1 HoareAnnotationTreeSize, 1 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 1 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...