./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin_false-no-overflow.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e780413e-f590-489c-827b-195712cc42ca/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e780413e-f590-489c-827b-195712cc42ca/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e780413e-f590-489c-827b-195712cc42ca/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e780413e-f590-489c-827b-195712cc42ca/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin_false-no-overflow.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_e780413e-f590-489c-827b-195712cc42ca/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e780413e-f590-489c-827b-195712cc42ca/bin-2019/utaipan --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 Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 8586441a08b46391c3ae26469a94ac820a4b60b0 ................................................................................................................................................................................................................................................................................................... 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 0.1.23-1dbac8b [2018-11-10 05:20:00,409 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:20:00,410 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:20:00,418 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:20:00,418 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:20:00,419 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:20:00,419 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:20:00,420 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:20:00,421 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:20:00,422 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:20:00,422 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:20:00,422 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:20:00,423 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:20:00,423 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:20:00,424 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:20:00,424 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:20:00,425 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:20:00,426 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:20:00,427 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:20:00,428 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:20:00,429 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:20:00,430 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:20:00,431 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:20:00,432 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:20:00,432 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:20:00,432 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:20:00,433 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:20:00,434 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:20:00,434 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:20:00,435 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:20:00,435 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:20:00,435 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:20:00,435 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:20:00,436 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:20:00,436 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:20:00,436 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:20:00,437 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e780413e-f590-489c-827b-195712cc42ca/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-11-10 05:20:00,445 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:20:00,445 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:20:00,446 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:20:00,446 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 05:20:00,446 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 05:20:00,446 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 05:20:00,446 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 05:20:00,447 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 05:20:00,447 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 05:20:00,447 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 05:20:00,447 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 05:20:00,448 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:20:00,448 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:20:00,448 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:20:00,448 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:20:00,448 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:20:00,448 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:20:00,448 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:20:00,448 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 05:20:00,449 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:20:00,449 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:20:00,449 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:20:00,449 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:20:00,449 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:20:00,449 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:20:00,449 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:20:00,450 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:20:00,450 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:20:00,450 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:20:00,450 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 05:20:00,450 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:20:00,450 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:20:00,450 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 05:20:00,451 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES 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 -> /tmp/vcloud-vcloud-master/worker/working_dir_e780413e-f590-489c-827b-195712cc42ca/bin-2019/utaipan 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 -> Taipan 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 -> 8586441a08b46391c3ae26469a94ac820a4b60b0 [2018-11-10 05:20:00,474 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:20:00,484 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:20:00,487 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:20:00,488 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:20:00,488 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:20:00,489 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e780413e-f590-489c-827b-195712cc42ca/bin-2019/utaipan/../../sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin_false-no-overflow.c.i [2018-11-10 05:20:00,534 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e780413e-f590-489c-827b-195712cc42ca/bin-2019/utaipan/data/d9400717a/6bc5554191274ec294a4522c633b27c9/FLAG85690ad52 [2018-11-10 05:20:00,914 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:20:00,915 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e780413e-f590-489c-827b-195712cc42ca/sv-benchmarks/c/signedintegeroverflow-regression/AdditionIntMin_false-no-overflow.c.i [2018-11-10 05:20:00,923 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e780413e-f590-489c-827b-195712cc42ca/bin-2019/utaipan/data/d9400717a/6bc5554191274ec294a4522c633b27c9/FLAG85690ad52 [2018-11-10 05:20:00,934 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e780413e-f590-489c-827b-195712cc42ca/bin-2019/utaipan/data/d9400717a/6bc5554191274ec294a4522c633b27c9 [2018-11-10 05:20:00,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:20:00,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:20:00,938 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:20:00,938 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:20:00,940 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:20:00,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:20:00" (1/1) ... [2018-11-10 05:20:00,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@40ad4d14 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:00, skipping insertion in model container [2018-11-10 05:20:00,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:20:00" (1/1) ... [2018-11-10 05:20:00,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:20:00,975 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:20:01,153 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:20:01,159 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:20:01,183 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:20:01,213 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:20:01,213 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:01 WrapperNode [2018-11-10 05:20:01,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:20:01,214 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:20:01,214 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:20:01,214 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:20:01,222 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:01" (1/1) ... [2018-11-10 05:20:01,230 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:01" (1/1) ... [2018-11-10 05:20:01,287 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:20:01,287 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:20:01,288 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:20:01,288 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:20:01,293 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:01" (1/1) ... [2018-11-10 05:20:01,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:01" (1/1) ... [2018-11-10 05:20:01,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:01" (1/1) ... [2018-11-10 05:20:01,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:01" (1/1) ... [2018-11-10 05:20:01,298 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:01" (1/1) ... [2018-11-10 05:20:01,298 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:01" (1/1) ... [2018-11-10 05:20:01,299 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:01" (1/1) ... [2018-11-10 05:20:01,301 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:20:01,301 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:20:01,301 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:20:01,301 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:20:01,302 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e780413e-f590-489c-827b-195712cc42ca/bin-2019/utaipan/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 [2018-11-10 05:20:01,341 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:20:01,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:20:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:20:01,342 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:20:01,342 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:20:01,342 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:20:01,480 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:20:01,481 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:20:01 BoogieIcfgContainer [2018-11-10 05:20:01,481 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:20:01,482 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:20:01,482 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:20:01,485 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:20:01,485 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:20:00" (1/3) ... [2018-11-10 05:20:01,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4036a588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:20:01, skipping insertion in model container [2018-11-10 05:20:01,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:20:01" (2/3) ... [2018-11-10 05:20:01,486 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4036a588 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:20:01, skipping insertion in model container [2018-11-10 05:20:01,486 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:20:01" (3/3) ... [2018-11-10 05:20:01,488 INFO L112 eAbstractionObserver]: Analyzing ICFG AdditionIntMin_false-no-overflow.c.i [2018-11-10 05:20:01,497 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:20:01,504 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-10 05:20:01,519 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-10 05:20:01,546 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:20:01,546 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:20:01,547 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:20:01,547 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:20:01,547 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:20:01,547 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:20:01,547 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:20:01,547 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:20:01,561 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states. [2018-11-10 05:20:01,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-10 05:20:01,566 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:20:01,567 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:20:01,569 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:20:01,574 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:20:01,574 INFO L82 PathProgramCache]: Analyzing trace with hash -2123086959, now seen corresponding path program 1 times [2018-11-10 05:20:01,576 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:20:01,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:01,622 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:20:01,622 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:01,622 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:20:01,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:20:01,693 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:20:01,694 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:20:01,694 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 05:20:01,694 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:20:01,698 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 05:20:01,706 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 05:20:01,706 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 05:20:01,708 INFO L87 Difference]: Start difference. First operand 18 states. Second operand 3 states. [2018-11-10 05:20:01,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:20:01,726 INFO L93 Difference]: Finished difference Result 18 states and 17 transitions. [2018-11-10 05:20:01,727 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 05:20:01,728 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 7 [2018-11-10 05:20:01,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:20:01,735 INFO L225 Difference]: With dead ends: 18 [2018-11-10 05:20:01,735 INFO L226 Difference]: Without dead ends: 9 [2018-11-10 05:20:01,737 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 05:20:01,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9 states. [2018-11-10 05:20:01,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9 to 9. [2018-11-10 05:20:01,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9 states. [2018-11-10 05:20:01,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9 states to 9 states and 8 transitions. [2018-11-10 05:20:01,760 INFO L78 Accepts]: Start accepts. Automaton has 9 states and 8 transitions. Word has length 7 [2018-11-10 05:20:01,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:20:01,761 INFO L481 AbstractCegarLoop]: Abstraction has 9 states and 8 transitions. [2018-11-10 05:20:01,761 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 05:20:01,761 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 8 transitions. [2018-11-10 05:20:01,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 05:20:01,761 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:20:01,761 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:20:01,762 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:20:01,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:20:01,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1391186250, now seen corresponding path program 1 times [2018-11-10 05:20:01,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:20:01,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:01,764 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:20:01,764 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:20:01,765 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:20:01,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:20:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:20:01,802 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 05:20:01,813 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:20:01,814 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:20:01,815 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:20:01,815 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:20:01,825 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:20:01 BoogieIcfgContainer [2018-11-10 05:20:01,825 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:20:01,825 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:20:01,825 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:20:01,825 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:20:01,826 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:20:01" (3/4) ... [2018-11-10 05:20:01,827 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 05:20:01,828 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:20:01,828 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:20:01,828 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:20:01,829 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:20:01,856 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e780413e-f590-489c-827b-195712cc42ca/bin-2019/utaipan/witness.graphml [2018-11-10 05:20:01,856 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:20:01,856 INFO L168 Benchmark]: Toolchain (without parser) took 919.52 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 960.3 MB in the beginning and 1.1 GB in the end (delta: -128.1 MB). Peak memory consumption was 9.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:20:01,857 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:20:01,858 INFO L168 Benchmark]: CACSL2BoogieTranslator took 275.78 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 938.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2018-11-10 05:20:01,858 INFO L168 Benchmark]: Boogie Procedure Inliner took 73.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -198.8 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. [2018-11-10 05:20:01,859 INFO L168 Benchmark]: Boogie Preprocessor took 13.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:20:01,859 INFO L168 Benchmark]: RCFGBuilder took 180.03 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-10 05:20:01,860 INFO L168 Benchmark]: TraceAbstraction took 343.15 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. [2018-11-10 05:20:01,860 INFO L168 Benchmark]: Witness Printer took 30.67 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:20:01,863 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 275.78 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 938.8 MB in the end (delta: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 73.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 938.8 MB in the beginning and 1.1 GB in the end (delta: -198.8 MB). Peak memory consumption was 15.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 13.35 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 180.03 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: 14.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 343.15 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: 29.6 MB). Peak memory consumption was 29.6 MB. Max. memory is 11.5 GB. * Witness Printer took 30.67 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 333]: integer overflow possible integer overflow possible We found a FailurePath: [L334] CALL "%d\n" [L334] RET "%d\n" VAL ["%d\n"={105:0}, \old("%d\n")=103, \old("%d\n")=102] [L332] int minInt = -2147483647 - 1; VAL ["%d\n"={105:0}, minInt=-2147483648] [L333] minInt + -1 VAL ["%d\n"={105:0}, minInt=-2147483648] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 18 locations, 4 error locations. UNSAFE Result, 0.2s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6 SDtfs, 2 SDslu, 5 SDs, 0 SdLazy, 2 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=18occurred 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: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 6 ConstructedInterpolants, 0 QuantifiedInterpolants, 60 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...