./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b_false-no-overflow.c --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_11306b8f-0a16-46a2-b25f-9e0caeda4e3c/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_11306b8f-0a16-46a2-b25f-9e0caeda4e3c/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_11306b8f-0a16-46a2-b25f-9e0caeda4e3c/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_11306b8f-0a16-46a2-b25f-9e0caeda4e3c/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_11306b8f-0a16-46a2-b25f-9e0caeda4e3c/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_11306b8f-0a16-46a2-b25f-9e0caeda4e3c/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 8920989884f6f43fe034219867b1db3db8f5287c ..................................................................................................................................................................................................................................................................................................................... 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 13:16:27,950 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 13:16:27,952 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 13:16:27,960 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 13:16:27,960 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 13:16:27,961 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 13:16:27,961 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 13:16:27,963 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 13:16:27,964 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 13:16:27,964 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 13:16:27,965 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 13:16:27,965 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 13:16:27,966 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 13:16:27,966 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 13:16:27,967 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 13:16:27,968 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 13:16:27,968 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 13:16:27,969 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 13:16:27,971 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 13:16:27,972 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 13:16:27,973 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 13:16:27,974 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 13:16:27,975 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 13:16:27,975 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 13:16:27,975 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 13:16:27,976 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 13:16:27,977 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 13:16:27,977 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 13:16:27,978 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 13:16:27,978 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 13:16:27,979 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 13:16:27,979 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 13:16:27,979 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 13:16:27,979 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 13:16:27,980 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 13:16:27,980 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 13:16:27,981 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_11306b8f-0a16-46a2-b25f-9e0caeda4e3c/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-11-10 13:16:27,990 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 13:16:27,991 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 13:16:27,991 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 13:16:27,991 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 13:16:27,992 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 13:16:27,992 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 13:16:27,992 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 13:16:27,992 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 13:16:27,992 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 13:16:27,992 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 13:16:27,993 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 13:16:27,993 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 13:16:27,993 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 13:16:27,993 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 13:16:27,994 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 13:16:27,994 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 13:16:27,994 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 13:16:27,994 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 13:16:27,994 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 13:16:27,994 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 13:16:27,995 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 13:16:27,995 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 13:16:27,995 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 13:16:27,995 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 13:16:27,995 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 13:16:27,995 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 13:16:27,995 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 13:16:27,996 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 13:16:27,996 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 13:16:27,996 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 13:16:27,996 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 13:16:27,996 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 13:16:27,996 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 13:16:27,996 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_11306b8f-0a16-46a2-b25f-9e0caeda4e3c/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 -> 8920989884f6f43fe034219867b1db3db8f5287c [2018-11-10 13:16:28,017 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 13:16:28,025 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 13:16:28,027 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 13:16:28,028 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 13:16:28,028 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 13:16:28,028 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_11306b8f-0a16-46a2-b25f-9e0caeda4e3c/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b_false-no-overflow.c [2018-11-10 13:16:28,063 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_11306b8f-0a16-46a2-b25f-9e0caeda4e3c/bin-2019/utaipan/data/dc5c2f253/9d3b641780f64dc590a868d05156dda4/FLAGc6010f52a [2018-11-10 13:16:28,358 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 13:16:28,358 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_11306b8f-0a16-46a2-b25f-9e0caeda4e3c/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-Fig2b_false-no-overflow.c [2018-11-10 13:16:28,362 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_11306b8f-0a16-46a2-b25f-9e0caeda4e3c/bin-2019/utaipan/data/dc5c2f253/9d3b641780f64dc590a868d05156dda4/FLAGc6010f52a [2018-11-10 13:16:28,370 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_11306b8f-0a16-46a2-b25f-9e0caeda4e3c/bin-2019/utaipan/data/dc5c2f253/9d3b641780f64dc590a868d05156dda4 [2018-11-10 13:16:28,372 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 13:16:28,372 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 13:16:28,373 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 13:16:28,373 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 13:16:28,376 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 13:16:28,376 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:16:28" (1/1) ... [2018-11-10 13:16:28,378 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5b132657 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:28, skipping insertion in model container [2018-11-10 13:16:28,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 01:16:28" (1/1) ... [2018-11-10 13:16:28,385 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 13:16:28,396 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 13:16:28,491 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:16:28,493 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 13:16:28,502 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 13:16:28,510 INFO L193 MainTranslator]: Completed translation [2018-11-10 13:16:28,510 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:28 WrapperNode [2018-11-10 13:16:28,511 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 13:16:28,511 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 13:16:28,511 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 13:16:28,511 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 13:16:28,516 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:28" (1/1) ... [2018-11-10 13:16:28,519 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:28" (1/1) ... [2018-11-10 13:16:28,523 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 13:16:28,523 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 13:16:28,523 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 13:16:28,524 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 13:16:28,532 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:28" (1/1) ... [2018-11-10 13:16:28,532 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:28" (1/1) ... [2018-11-10 13:16:28,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:28" (1/1) ... [2018-11-10 13:16:28,533 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:28" (1/1) ... [2018-11-10 13:16:28,536 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:28" (1/1) ... [2018-11-10 13:16:28,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:28" (1/1) ... [2018-11-10 13:16:28,542 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:28" (1/1) ... [2018-11-10 13:16:28,543 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 13:16:28,543 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 13:16:28,543 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 13:16:28,543 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 13:16:28,544 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_11306b8f-0a16-46a2-b25f-9e0caeda4e3c/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 13:16:28,629 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 13:16:28,629 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 13:16:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 13:16:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 13:16:28,630 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 13:16:28,630 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 13:16:28,809 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 13:16:28,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:16:28 BoogieIcfgContainer [2018-11-10 13:16:28,810 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 13:16:28,810 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 13:16:28,810 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 13:16:28,813 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 13:16:28,813 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 01:16:28" (1/3) ... [2018-11-10 13:16:28,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ddc20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:16:28, skipping insertion in model container [2018-11-10 13:16:28,814 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 01:16:28" (2/3) ... [2018-11-10 13:16:28,814 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@10ddc20d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 01:16:28, skipping insertion in model container [2018-11-10 13:16:28,815 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:16:28" (3/3) ... [2018-11-10 13:16:28,816 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-Fig2b_false-no-overflow.c [2018-11-10 13:16:28,827 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 13:16:28,833 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 20 error locations. [2018-11-10 13:16:28,846 INFO L257 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2018-11-10 13:16:28,873 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 13:16:28,873 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 13:16:28,874 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 13:16:28,874 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 13:16:28,874 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 13:16:28,874 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 13:16:28,874 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 13:16:28,874 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 13:16:28,890 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-11-10 13:16:28,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-11-10 13:16:28,894 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:16:28,895 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:16:28,897 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 13:16:28,901 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:16:28,902 INFO L82 PathProgramCache]: Analyzing trace with hash 116031877, now seen corresponding path program 1 times [2018-11-10 13:16:28,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:16:28,947 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:28,948 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:16:28,948 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:28,948 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:16:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:16:29,000 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 13:16:29,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:16:29,002 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:16:29,002 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:16:29,005 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 13:16:29,012 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 13:16:29,012 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:16:29,014 INFO L87 Difference]: Start difference. First operand 58 states. Second operand 3 states. [2018-11-10 13:16:29,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:16:29,091 INFO L93 Difference]: Finished difference Result 112 states and 129 transitions. [2018-11-10 13:16:29,091 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 13:16:29,092 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-11-10 13:16:29,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:16:29,098 INFO L225 Difference]: With dead ends: 112 [2018-11-10 13:16:29,098 INFO L226 Difference]: Without dead ends: 54 [2018-11-10 13:16:29,100 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 13:16:29,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2018-11-10 13:16:29,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2018-11-10 13:16:29,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2018-11-10 13:16:29,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 55 transitions. [2018-11-10 13:16:29,128 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 55 transitions. Word has length 8 [2018-11-10 13:16:29,128 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:16:29,128 INFO L481 AbstractCegarLoop]: Abstraction has 51 states and 55 transitions. [2018-11-10 13:16:29,129 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 13:16:29,129 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 55 transitions. [2018-11-10 13:16:29,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-10 13:16:29,129 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:16:29,129 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:16:29,130 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 13:16:29,130 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:16:29,130 INFO L82 PathProgramCache]: Analyzing trace with hash -697979061, now seen corresponding path program 1 times [2018-11-10 13:16:29,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:16:29,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:29,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:16:29,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:29,132 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:16:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 13:16:29,163 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 13:16:29,163 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 13:16:29,163 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-11-10 13:16:29,163 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 13:16:29,164 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 13:16:29,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 13:16:29,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 13:16:29,165 INFO L87 Difference]: Start difference. First operand 51 states and 55 transitions. Second operand 3 states. [2018-11-10 13:16:29,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 13:16:29,211 INFO L93 Difference]: Finished difference Result 51 states and 55 transitions. [2018-11-10 13:16:29,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 13:16:29,212 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-10 13:16:29,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 13:16:29,212 INFO L225 Difference]: With dead ends: 51 [2018-11-10 13:16:29,212 INFO L226 Difference]: Without dead ends: 50 [2018-11-10 13:16:29,213 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 13:16:29,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2018-11-10 13:16:29,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 50. [2018-11-10 13:16:29,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-11-10 13:16:29,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 54 transitions. [2018-11-10 13:16:29,218 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 54 transitions. Word has length 9 [2018-11-10 13:16:29,218 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 13:16:29,218 INFO L481 AbstractCegarLoop]: Abstraction has 50 states and 54 transitions. [2018-11-10 13:16:29,218 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 13:16:29,218 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 54 transitions. [2018-11-10 13:16:29,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-10 13:16:29,219 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 13:16:29,219 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 13:16:29,219 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr14ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr15ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr19ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr16ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr17ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr18ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr12ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr13ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 13:16:29,219 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 13:16:29,219 INFO L82 PathProgramCache]: Analyzing trace with hash -162514361, now seen corresponding path program 1 times [2018-11-10 13:16:29,219 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 13:16:29,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:29,220 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 13:16:29,220 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 13:16:29,220 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 13:16:29,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:16:29,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 13:16:29,240 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 13:16:29,254 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 01:16:29 BoogieIcfgContainer [2018-11-10 13:16:29,254 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 13:16:29,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 13:16:29,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 13:16:29,254 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 13:16:29,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 01:16:28" (3/4) ... [2018-11-10 13:16:29,256 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 13:16:29,282 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_11306b8f-0a16-46a2-b25f-9e0caeda4e3c/bin-2019/utaipan/witness.graphml [2018-11-10 13:16:29,282 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 13:16:29,283 INFO L168 Benchmark]: Toolchain (without parser) took 911.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 962.9 MB in the beginning and 1.1 GB in the end (delta: -151.7 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-11-10 13:16:29,284 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:16:29,285 INFO L168 Benchmark]: CACSL2BoogieTranslator took 137.93 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 951.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-11-10 13:16:29,285 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.23 ms. Allocated memory is still 1.0 GB. Free memory is still 951.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:16:29,285 INFO L168 Benchmark]: Boogie Preprocessor took 19.41 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 945.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 13:16:29,286 INFO L168 Benchmark]: RCFGBuilder took 266.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -213.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. [2018-11-10 13:16:29,286 INFO L168 Benchmark]: TraceAbstraction took 443.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. [2018-11-10 13:16:29,287 INFO L168 Benchmark]: Witness Printer took 28.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 13:16:29,288 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 137.93 ms. Allocated memory is still 1.0 GB. Free memory was 962.9 MB in the beginning and 951.1 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.23 ms. Allocated memory is still 1.0 GB. Free memory is still 951.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.41 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 945.7 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 266.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 178.3 MB). Free memory was 945.7 MB in the beginning and 1.2 GB in the end (delta: -213.9 MB). Peak memory consumption was 20.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 443.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 45.0 MB). Peak memory consumption was 45.0 MB. Max. memory is 11.5 GB. * Witness Printer took 28.38 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 19]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int x, y; [L15] x = __VERIFIER_nondet_int() [L16] y = __VERIFIER_nondet_int() [L17] COND TRUE x >= 2 VAL [x=3, y=2147483646] [L18] EXPR x - 1 [L18] x = x - 1 VAL [x=2, y=2147483646] [L19] y + x VAL [x=2, y=2147483646] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 58 locations, 20 error locations. UNSAFE Result, 0.3s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 84 SDtfs, 44 SDslu, 38 SDs, 0 SdLazy, 54 SolverSat, 7 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=58occurred 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, 2 MinimizatonAttempts, 3 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 27 NumberOfCodeBlocks, 27 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 15 ConstructedInterpolants, 0 QuantifiedInterpolants, 187 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 2 InterpolantComputations, 2 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...