./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMax.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 839c364b 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_1.5.800.v20200727-1323.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/AdditionIntMax.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 17515b65d583c44dcb7e235e0e9227ff5f3e328b2b111df737a68b768cd4ce6e --- Real Ultimate output --- This is Ultimate 0.2.2-839c364b5d67a0f615c82cb70ab247790648d4a9-839c364 [2021-12-14 22:36:21,391 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-12-14 22:36:21,393 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-12-14 22:36:21,446 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-12-14 22:36:21,446 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-12-14 22:36:21,451 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-12-14 22:36:21,452 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-12-14 22:36:21,455 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-12-14 22:36:21,457 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-12-14 22:36:21,461 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-12-14 22:36:21,462 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-12-14 22:36:21,463 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-12-14 22:36:21,463 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-12-14 22:36:21,466 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-12-14 22:36:21,467 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-12-14 22:36:21,468 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-12-14 22:36:21,468 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-12-14 22:36:21,469 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-12-14 22:36:21,470 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-12-14 22:36:21,472 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-12-14 22:36:21,473 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-12-14 22:36:21,474 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-12-14 22:36:21,475 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-12-14 22:36:21,476 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-12-14 22:36:21,484 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-12-14 22:36:21,484 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-12-14 22:36:21,485 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-12-14 22:36:21,486 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-12-14 22:36:21,487 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-12-14 22:36:21,488 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-12-14 22:36:21,488 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-12-14 22:36:21,489 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-12-14 22:36:21,490 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-12-14 22:36:21,491 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-12-14 22:36:21,492 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-12-14 22:36:21,492 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-12-14 22:36:21,493 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-12-14 22:36:21,493 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-12-14 22:36:21,493 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-12-14 22:36:21,495 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-12-14 22:36:21,495 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-12-14 22:36:21,496 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-64bit-Automizer_Default.epf [2021-12-14 22:36:21,528 INFO L113 SettingsManager]: Loading preferences was successful [2021-12-14 22:36:21,529 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-12-14 22:36:21,529 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-12-14 22:36:21,530 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-12-14 22:36:21,530 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2021-12-14 22:36:21,531 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2021-12-14 22:36:21,531 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-12-14 22:36:21,531 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-12-14 22:36:21,532 INFO L138 SettingsManager]: * Use SBE=true [2021-12-14 22:36:21,532 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-12-14 22:36:21,533 INFO L138 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2021-12-14 22:36:21,533 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-12-14 22:36:21,533 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-12-14 22:36:21,533 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-12-14 22:36:21,533 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-12-14 22:36:21,534 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-12-14 22:36:21,534 INFO L138 SettingsManager]: * Check absence of signed integer overflows=true [2021-12-14 22:36:21,534 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-12-14 22:36:21,534 INFO L138 SettingsManager]: * Use constant arrays=true [2021-12-14 22:36:21,534 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-12-14 22:36:21,534 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-12-14 22:36:21,535 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-12-14 22:36:21,535 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-12-14 22:36:21,535 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 22:36:21,535 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-12-14 22:36:21,535 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-12-14 22:36:21,536 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-12-14 22:36:21,537 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-12-14 22:36:21,537 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-12-14 22:36:21,537 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-12-14 22:36:21,537 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-12-14 22:36:21,538 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 17515b65d583c44dcb7e235e0e9227ff5f3e328b2b111df737a68b768cd4ce6e [2021-12-14 22:36:21,732 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-12-14 22:36:21,766 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-12-14 22:36:21,780 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-12-14 22:36:21,781 INFO L271 PluginConnector]: Initializing CDTParser... [2021-12-14 22:36:21,781 INFO L275 PluginConnector]: CDTParser initialized [2021-12-14 22:36:21,783 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMax.i [2021-12-14 22:36:21,857 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/362f570c6/98f795b56a2c4c26afad8a8eaaec7c00/FLAG6d48f8934 [2021-12-14 22:36:22,223 INFO L306 CDTParser]: Found 1 translation units. [2021-12-14 22:36:22,224 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMax.i [2021-12-14 22:36:22,235 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/362f570c6/98f795b56a2c4c26afad8a8eaaec7c00/FLAG6d48f8934 [2021-12-14 22:36:22,251 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/362f570c6/98f795b56a2c4c26afad8a8eaaec7c00 [2021-12-14 22:36:22,253 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-12-14 22:36:22,255 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-12-14 22:36:22,259 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-12-14 22:36:22,259 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-12-14 22:36:22,262 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-12-14 22:36:22,262 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:36:22" (1/1) ... [2021-12-14 22:36:22,263 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@50657412 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:22, skipping insertion in model container [2021-12-14 22:36:22,263 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.12 10:36:22" (1/1) ... [2021-12-14 22:36:22,269 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-12-14 22:36:22,297 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-12-14 22:36:22,472 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 22:36:22,477 INFO L203 MainTranslator]: Completed pre-run [2021-12-14 22:36:22,501 INFO L209 PostProcessor]: Analyzing one entry point: main [2021-12-14 22:36:22,524 INFO L208 MainTranslator]: Completed translation [2021-12-14 22:36:22,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:22 WrapperNode [2021-12-14 22:36:22,525 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-12-14 22:36:22,526 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-12-14 22:36:22,526 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-12-14 22:36:22,526 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-12-14 22:36:22,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:22" (1/1) ... [2021-12-14 22:36:22,540 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:22" (1/1) ... [2021-12-14 22:36:22,553 INFO L137 Inliner]: procedures = 109, calls = 7, calls flagged for inlining = 2, calls inlined = 2, statements flattened = 15 [2021-12-14 22:36:22,554 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-12-14 22:36:22,555 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-12-14 22:36:22,555 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-12-14 22:36:22,555 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-12-14 22:36:22,561 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:22" (1/1) ... [2021-12-14 22:36:22,561 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:22" (1/1) ... [2021-12-14 22:36:22,563 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:22" (1/1) ... [2021-12-14 22:36:22,563 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:22" (1/1) ... [2021-12-14 22:36:22,565 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:22" (1/1) ... [2021-12-14 22:36:22,565 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:22" (1/1) ... [2021-12-14 22:36:22,566 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:22" (1/1) ... [2021-12-14 22:36:22,567 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-12-14 22:36:22,568 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-12-14 22:36:22,568 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-12-14 22:36:22,568 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-12-14 22:36:22,569 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:22" (1/1) ... [2021-12-14 22:36:22,580 INFO L168 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-12-14 22:36:22,587 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-12-14 22:36:22,599 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-12-14 22:36:22,612 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-12-14 22:36:22,635 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2021-12-14 22:36:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-12-14 22:36:22,637 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-12-14 22:36:22,637 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-12-14 22:36:22,704 INFO L236 CfgBuilder]: Building ICFG [2021-12-14 22:36:22,706 INFO L262 CfgBuilder]: Building CFG for each procedure with an implementation [2021-12-14 22:36:22,746 INFO L277 CfgBuilder]: Performing block encoding [2021-12-14 22:36:22,750 INFO L296 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-12-14 22:36:22,750 INFO L301 CfgBuilder]: Removed 0 assume(true) statements. [2021-12-14 22:36:22,751 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:36:22 BoogieIcfgContainer [2021-12-14 22:36:22,751 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-12-14 22:36:22,753 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-12-14 22:36:22,753 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-12-14 22:36:22,761 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-12-14 22:36:22,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.12 10:36:22" (1/3) ... [2021-12-14 22:36:22,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629291f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:36:22, skipping insertion in model container [2021-12-14 22:36:22,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.12 10:36:22" (2/3) ... [2021-12-14 22:36:22,763 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@629291f7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.12 10:36:22, skipping insertion in model container [2021-12-14 22:36:22,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:36:22" (3/3) ... [2021-12-14 22:36:22,765 INFO L111 eAbstractionObserver]: Analyzing ICFG AdditionIntMax.i [2021-12-14 22:36:22,769 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-12-14 22:36:22,769 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-12-14 22:36:22,804 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-12-14 22:36:22,810 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-12-14 22:36:22,810 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-12-14 22:36:22,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 7 states, 5 states have (on average 1.2) internal successors, (6), 6 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-12-14 22:36:22,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2021-12-14 22:36:22,825 INFO L506 BasicCegarLoop]: Found error trace [2021-12-14 22:36:22,825 INFO L514 BasicCegarLoop]: trace histogram [1, 1, 1] [2021-12-14 22:36:22,826 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2021-12-14 22:36:22,830 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-12-14 22:36:22,830 INFO L85 PathProgramCache]: Analyzing trace with hash 29856, now seen corresponding path program 1 times [2021-12-14 22:36:22,838 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-12-14 22:36:22,839 INFO L333 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [703726989] [2021-12-14 22:36:22,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-12-14 22:36:22,840 INFO L126 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-12-14 22:36:22,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 22:36:22,909 INFO L352 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2021-12-14 22:36:22,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2021-12-14 22:36:22,943 INFO L133 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2021-12-14 22:36:22,944 INFO L628 BasicCegarLoop]: Counterexample is feasible [2021-12-14 22:36:22,946 INFO L764 garLoopResultBuilder]: Registering result UNSAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 1 remaining) [2021-12-14 22:36:22,948 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-12-14 22:36:22,951 INFO L732 BasicCegarLoop]: Path program histogram: [1] [2021-12-14 22:36:22,954 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-12-14 22:36:22,970 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 14.12 10:36:22 BoogieIcfgContainer [2021-12-14 22:36:22,970 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-12-14 22:36:22,975 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-12-14 22:36:22,975 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-12-14 22:36:22,975 INFO L275 PluginConnector]: Witness Printer initialized [2021-12-14 22:36:22,976 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.12 10:36:22" (3/4) ... [2021-12-14 22:36:22,977 INFO L131 WitnessPrinter]: Generating witness for reachability counterexample [2021-12-14 22:36:23,001 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-12-14 22:36:23,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-12-14 22:36:23,004 INFO L158 Benchmark]: Toolchain (without parser) took 747.28ms. Allocated memory is still 100.7MB. Free memory was 69.2MB in the beginning and 48.5MB in the end (delta: 20.7MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-12-14 22:36:23,005 INFO L158 Benchmark]: CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory was 56.3MB in the beginning and 56.3MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 22:36:23,008 INFO L158 Benchmark]: CACSL2BoogieTranslator took 266.21ms. Allocated memory is still 100.7MB. Free memory was 69.2MB in the beginning and 73.2MB in the end (delta: -4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 22:36:23,009 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.63ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 71.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 22:36:23,009 INFO L158 Benchmark]: Boogie Preprocessor took 12.51ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 70.9MB in the end (delta: 711.2kB). There was no memory consumed. Max. memory is 16.1GB. [2021-12-14 22:36:23,011 INFO L158 Benchmark]: RCFGBuilder took 183.57ms. Allocated memory is still 100.7MB. Free memory was 70.9MB in the beginning and 62.5MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-12-14 22:36:23,011 INFO L158 Benchmark]: TraceAbstraction took 217.55ms. Allocated memory is still 100.7MB. Free memory was 62.0MB in the beginning and 50.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2021-12-14 22:36:23,013 INFO L158 Benchmark]: Witness Printer took 27.25ms. Allocated memory is still 100.7MB. Free memory was 50.1MB in the beginning and 48.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2021-12-14 22:36:23,017 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18ms. Allocated memory is still 83.9MB. Free memory was 56.3MB in the beginning and 56.3MB in the end (delta: 27.5kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 266.21ms. Allocated memory is still 100.7MB. Free memory was 69.2MB in the beginning and 73.2MB in the end (delta: -4.0MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.63ms. Allocated memory is still 100.7MB. Free memory was 73.2MB in the beginning and 71.6MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 12.51ms. Allocated memory is still 100.7MB. Free memory was 71.6MB in the beginning and 70.9MB in the end (delta: 711.2kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 183.57ms. Allocated memory is still 100.7MB. Free memory was 70.9MB in the beginning and 62.5MB in the end (delta: 8.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 217.55ms. Allocated memory is still 100.7MB. Free memory was 62.0MB in the beginning and 50.1MB in the end (delta: 11.9MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * Witness Printer took 27.25ms. Allocated memory is still 100.7MB. Free memory was 50.1MB in the beginning and 48.5MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 332]: integer overflow possible integer overflow possible We found a FailurePath: [L332] 2147483647 + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 7 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 0.1s, OverallIterations: 1, TraceHistogramMax: 1, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, PartialOrderReductionTime: 0.0s, HoareTripleCheckerStatistics: , PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=7occurred in iteration=0, InterpolantAutomatonStates: 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: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2021-12-14 22:36:23,058 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)