./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/termination-crafted-lit/min_rf_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_3c7d7a8e-64e7-4a8a-a76a-b85064bb33c4/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_3c7d7a8e-64e7-4a8a-a76a-b85064bb33c4/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_3c7d7a8e-64e7-4a8a-a76a-b85064bb33c4/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_3c7d7a8e-64e7-4a8a-a76a-b85064bb33c4/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/min_rf_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_3c7d7a8e-64e7-4a8a-a76a-b85064bb33c4/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_3c7d7a8e-64e7-4a8a-a76a-b85064bb33c4/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 a0da7228026f64c01cbcc95a170d8e2f5b940fb8 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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-aa41828 [2018-11-23 06:14:26,376 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:14:26,377 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:14:26,386 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:14:26,386 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:14:26,387 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:14:26,387 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:14:26,389 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:14:26,390 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:14:26,390 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:14:26,391 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:14:26,391 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:14:26,392 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:14:26,392 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:14:26,393 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:14:26,394 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:14:26,394 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:14:26,396 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:14:26,397 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:14:26,398 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:14:26,399 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:14:26,400 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:14:26,401 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:14:26,402 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:14:26,402 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:14:26,402 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:14:26,403 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:14:26,404 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:14:26,404 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:14:26,405 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:14:26,405 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:14:26,406 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:14:26,406 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:14:26,406 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:14:26,407 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:14:26,407 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:14:26,407 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_3c7d7a8e-64e7-4a8a-a76a-b85064bb33c4/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-11-23 06:14:26,417 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:14:26,418 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:14:26,419 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:14:26,419 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:14:26,419 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:14:26,419 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:14:26,419 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:14:26,419 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:14:26,419 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:14:26,420 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:14:26,420 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:14:26,420 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:14:26,420 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:14:26,421 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:14:26,421 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 06:14:26,421 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:14:26,421 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:14:26,422 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:14:26,422 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:14:26,422 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:14:26,423 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 06:14:26,423 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:14:26,423 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:14:26,423 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:14:26,423 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:14:26,423 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:14:26,423 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:14:26,424 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:14:26,424 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:14:26,424 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:14:26,424 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:14:26,424 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:14:26,424 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:14:26,424 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:14:26,425 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:14:26,425 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 06:14:26,425 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_3c7d7a8e-64e7-4a8a-a76a-b85064bb33c4/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 -> a0da7228026f64c01cbcc95a170d8e2f5b940fb8 [2018-11-23 06:14:26,449 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:14:26,457 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:14:26,459 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:14:26,460 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:14:26,461 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:14:26,461 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_3c7d7a8e-64e7-4a8a-a76a-b85064bb33c4/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted-lit/min_rf_false-no-overflow.c [2018-11-23 06:14:26,496 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c7d7a8e-64e7-4a8a-a76a-b85064bb33c4/bin-2019/utaipan/data/509b89e0d/7b52f39101314380844b5698d36b45f7/FLAGb7eb381f1 [2018-11-23 06:14:26,900 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:14:26,901 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_3c7d7a8e-64e7-4a8a-a76a-b85064bb33c4/sv-benchmarks/c/termination-crafted-lit/min_rf_false-no-overflow.c [2018-11-23 06:14:26,904 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_3c7d7a8e-64e7-4a8a-a76a-b85064bb33c4/bin-2019/utaipan/data/509b89e0d/7b52f39101314380844b5698d36b45f7/FLAGb7eb381f1 [2018-11-23 06:14:26,913 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_3c7d7a8e-64e7-4a8a-a76a-b85064bb33c4/bin-2019/utaipan/data/509b89e0d/7b52f39101314380844b5698d36b45f7 [2018-11-23 06:14:26,915 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:14:26,916 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:14:26,916 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:14:26,916 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:14:26,918 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:14:26,919 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:14:26" (1/1) ... [2018-11-23 06:14:26,920 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@9255568 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:14:26, skipping insertion in model container [2018-11-23 06:14:26,920 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:14:26" (1/1) ... [2018-11-23 06:14:26,926 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:14:26,935 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:14:27,034 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:14:27,036 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:14:27,046 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:14:27,054 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:14:27,054 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:14:27 WrapperNode [2018-11-23 06:14:27,054 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:14:27,055 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:14:27,055 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:14:27,055 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:14:27,059 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:14:27" (1/1) ... [2018-11-23 06:14:27,063 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:14:27" (1/1) ... [2018-11-23 06:14:27,066 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:14:27,067 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:14:27,067 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:14:27,067 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:14:27,072 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:14:27" (1/1) ... [2018-11-23 06:14:27,073 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:14:27" (1/1) ... [2018-11-23 06:14:27,073 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:14:27" (1/1) ... [2018-11-23 06:14:27,073 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:14:27" (1/1) ... [2018-11-23 06:14:27,076 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:14:27" (1/1) ... [2018-11-23 06:14:27,113 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:14:27" (1/1) ... [2018-11-23 06:14:27,114 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:14:27" (1/1) ... [2018-11-23 06:14:27,114 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:14:27,115 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:14:27,115 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:14:27,115 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:14:27,116 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:14:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_3c7d7a8e-64e7-4a8a-a76a-b85064bb33c4/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 [2018-11-23 06:14:27,152 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:14:27,152 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:14:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:14:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:14:27,153 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:14:27,153 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:14:27,264 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:14:27,264 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 06:14:27,265 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:14:27 BoogieIcfgContainer [2018-11-23 06:14:27,265 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:14:27,265 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:14:27,266 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:14:27,268 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:14:27,268 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:14:26" (1/3) ... [2018-11-23 06:14:27,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc96a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:14:27, skipping insertion in model container [2018-11-23 06:14:27,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:14:27" (2/3) ... [2018-11-23 06:14:27,269 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2bc96a71 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:14:27, skipping insertion in model container [2018-11-23 06:14:27,269 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:14:27" (3/3) ... [2018-11-23 06:14:27,271 INFO L112 eAbstractionObserver]: Analyzing ICFG min_rf_false-no-overflow.c [2018-11-23 06:14:27,277 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:14:27,282 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 12 error locations. [2018-11-23 06:14:27,293 INFO L257 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2018-11-23 06:14:27,319 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:14:27,319 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:14:27,320 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:14:27,320 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:14:27,320 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:14:27,320 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:14:27,320 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:14:27,320 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:14:27,332 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states. [2018-11-23 06:14:27,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-23 06:14:27,335 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:14:27,336 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:14:27,337 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr8ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr6ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr7ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr10ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr11ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr9ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 06:14:27,341 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:14:27,342 INFO L82 PathProgramCache]: Analyzing trace with hash 701760920, now seen corresponding path program 1 times [2018-11-23 06:14:27,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:14:27,382 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:14:27,383 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:14:27,383 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:14:27,383 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:14:27,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:14:27,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 06:14:27,423 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #57#return; [?] CALL call #t~ret3 := main(); [?] havoc ~x~0;havoc ~y~0;havoc ~z~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~x~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~y~0 := #t~nondet1;havoc #t~nondet1; VAL [main_~x~0=1073741826, main_~y~0=1073741825] [?] assume !!(~y~0 > 0 && ~x~0 > 0); VAL [main_~x~0=1073741826, main_~y~0=1073741825] [?] assume ~x~0 > ~y~0;~z~0 := ~y~0; VAL [main_~x~0=1073741826, main_~y~0=1073741825, main_~z~0=1073741825] [?] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [main_~x~0=1073741826, main_~y~0=1073741825, main_~z~0=1073741825, |main_#t~nondet2|=0] [?] assume !(0 != #t~nondet2);havoc #t~nondet2; VAL [main_~x~0=1073741826, main_~y~0=1073741825, main_~z~0=1073741825] [?] assume !(~y~0 + ~x~0 <= 2147483647); VAL [main_~x~0=1073741826, main_~y~0=1073741825, main_~z~0=1073741825] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L15] havoc ~x~0; [L15] havoc ~y~0; [L16] havoc ~z~0; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L18] ~x~0 := #t~nondet0; [L18] havoc #t~nondet0; [L19] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L19] ~y~0 := #t~nondet1; [L19] havoc #t~nondet1; VAL [~x~0=1073741826, ~y~0=1073741825] [L21-L36] assume !!(~y~0 > 0 && ~x~0 > 0); VAL [~x~0=1073741826, ~y~0=1073741825] [L22-L26] assume ~x~0 > ~y~0; [L23] ~z~0 := ~y~0; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#t~nondet2=0, ~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27-L35] assume !(0 != #t~nondet2); [L27] havoc #t~nondet2; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L32] assert ~y~0 + ~x~0 <= 2147483647; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L15] havoc ~x~0; [L15] havoc ~y~0; [L16] havoc ~z~0; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L18] ~x~0 := #t~nondet0; [L18] havoc #t~nondet0; [L19] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L19] ~y~0 := #t~nondet1; [L19] havoc #t~nondet1; VAL [~x~0=1073741826, ~y~0=1073741825] [L21-L36] assume !!(~y~0 > 0 && ~x~0 > 0); VAL [~x~0=1073741826, ~y~0=1073741825] [L22-L26] assume ~x~0 > ~y~0; [L23] ~z~0 := ~y~0; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#t~nondet2=0, ~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27-L35] assume !(0 != #t~nondet2); [L27] havoc #t~nondet2; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L32] assert ~y~0 + ~x~0 <= 2147483647; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L15] havoc ~x~0; [L15] havoc ~y~0; [L16] havoc ~z~0; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L18] ~x~0 := #t~nondet0; [L18] havoc #t~nondet0; [L19] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L19] ~y~0 := #t~nondet1; [L19] havoc #t~nondet1; VAL [~x~0=1073741826, ~y~0=1073741825] [L21-L36] COND FALSE !(!(~y~0 > 0 && ~x~0 > 0)) VAL [~x~0=1073741826, ~y~0=1073741825] [L22] COND TRUE ~x~0 > ~y~0 [L23] ~z~0 := ~y~0; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#t~nondet2=0, ~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] COND FALSE !(0 != #t~nondet2) [L27] havoc #t~nondet2; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L32] assert ~y~0 + ~x~0 <= 2147483647; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L15] havoc ~x~0; [L15] havoc ~y~0; [L16] havoc ~z~0; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L18] ~x~0 := #t~nondet0; [L18] havoc #t~nondet0; [L19] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L19] ~y~0 := #t~nondet1; [L19] havoc #t~nondet1; VAL [~x~0=1073741826, ~y~0=1073741825] [L21-L36] COND FALSE !(!(~y~0 > 0 && ~x~0 > 0)) VAL [~x~0=1073741826, ~y~0=1073741825] [L22] COND TRUE ~x~0 > ~y~0 [L23] ~z~0 := ~y~0; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#t~nondet2=0, ~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] COND FALSE !(0 != #t~nondet2) [L27] havoc #t~nondet2; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L32] assert ~y~0 + ~x~0 <= 2147483647; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L15] havoc ~x~0; [L15] havoc ~y~0; [L16] havoc ~z~0; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L18] ~x~0 := #t~nondet0; [L18] havoc #t~nondet0; [L19] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L19] ~y~0 := #t~nondet1; [L19] havoc #t~nondet1; VAL [~x~0=1073741826, ~y~0=1073741825] [L21-L36] COND FALSE !(!(~y~0 > 0 && ~x~0 > 0)) VAL [~x~0=1073741826, ~y~0=1073741825] [L22] COND TRUE ~x~0 > ~y~0 [L23] ~z~0 := ~y~0; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#t~nondet2=0, ~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] COND FALSE !(0 != #t~nondet2) [L27] havoc #t~nondet2; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L32] assert ~y~0 + ~x~0 <= 2147483647; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L15] havoc ~x~0; [L15] havoc ~y~0; [L16] havoc ~z~0; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L18] ~x~0 := #t~nondet0; [L18] havoc #t~nondet0; [L19] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L19] ~y~0 := #t~nondet1; [L19] havoc #t~nondet1; VAL [~x~0=1073741826, ~y~0=1073741825] [L21-L36] COND FALSE !(!(~y~0 > 0 && ~x~0 > 0)) VAL [~x~0=1073741826, ~y~0=1073741825] [L22] COND TRUE ~x~0 > ~y~0 [L23] ~z~0 := ~y~0; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#t~nondet2=0, ~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] COND FALSE !(0 != #t~nondet2) [L27] havoc #t~nondet2; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L32] assert ~y~0 + ~x~0 <= 2147483647; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L15] int x,y; [L16] int z; [L18] x = __VERIFIER_nondet_int() [L19] y = __VERIFIER_nondet_int() [L21] COND TRUE y > 0 && x > 0 VAL [x=1073741826, y=1073741825] [L22] COND TRUE x>y [L23] z = y VAL [x=1073741826, y=1073741825, z=1073741825] [L27] COND FALSE !(__VERIFIER_nondet_int() != 0) [L32] y+x VAL [x=1073741826, y=1073741825, z=1073741825] ----- [2018-11-23 06:14:27,445 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:14:27 BoogieIcfgContainer [2018-11-23 06:14:27,445 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:14:27,445 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:14:27,446 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:14:27,446 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:14:27,446 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:14:27" (3/4) ... [2018-11-23 06:14:27,448 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #57#return; [?] CALL call #t~ret3 := main(); [?] havoc ~x~0;havoc ~y~0;havoc ~z~0;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647;~x~0 := #t~nondet0;havoc #t~nondet0;assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647;~y~0 := #t~nondet1;havoc #t~nondet1; VAL [main_~x~0=1073741826, main_~y~0=1073741825] [?] assume !!(~y~0 > 0 && ~x~0 > 0); VAL [main_~x~0=1073741826, main_~y~0=1073741825] [?] assume ~x~0 > ~y~0;~z~0 := ~y~0; VAL [main_~x~0=1073741826, main_~y~0=1073741825, main_~z~0=1073741825] [?] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [main_~x~0=1073741826, main_~y~0=1073741825, main_~z~0=1073741825, |main_#t~nondet2|=0] [?] assume !(0 != #t~nondet2);havoc #t~nondet2; VAL [main_~x~0=1073741826, main_~y~0=1073741825, main_~z~0=1073741825] [?] assume !(~y~0 + ~x~0 <= 2147483647); VAL [main_~x~0=1073741826, main_~y~0=1073741825, main_~z~0=1073741825] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L15] havoc ~x~0; [L15] havoc ~y~0; [L16] havoc ~z~0; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L18] ~x~0 := #t~nondet0; [L18] havoc #t~nondet0; [L19] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L19] ~y~0 := #t~nondet1; [L19] havoc #t~nondet1; VAL [~x~0=1073741826, ~y~0=1073741825] [L21-L36] assume !!(~y~0 > 0 && ~x~0 > 0); VAL [~x~0=1073741826, ~y~0=1073741825] [L22-L26] assume ~x~0 > ~y~0; [L23] ~z~0 := ~y~0; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#t~nondet2=0, ~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27-L35] assume !(0 != #t~nondet2); [L27] havoc #t~nondet2; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L32] assert ~y~0 + ~x~0 <= 2147483647; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L15] havoc ~x~0; [L15] havoc ~y~0; [L16] havoc ~z~0; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L18] ~x~0 := #t~nondet0; [L18] havoc #t~nondet0; [L19] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L19] ~y~0 := #t~nondet1; [L19] havoc #t~nondet1; VAL [~x~0=1073741826, ~y~0=1073741825] [L21-L36] assume !!(~y~0 > 0 && ~x~0 > 0); VAL [~x~0=1073741826, ~y~0=1073741825] [L22-L26] assume ~x~0 > ~y~0; [L23] ~z~0 := ~y~0; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#t~nondet2=0, ~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27-L35] assume !(0 != #t~nondet2); [L27] havoc #t~nondet2; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L32] assert ~y~0 + ~x~0 <= 2147483647; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L15] havoc ~x~0; [L15] havoc ~y~0; [L16] havoc ~z~0; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L18] ~x~0 := #t~nondet0; [L18] havoc #t~nondet0; [L19] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L19] ~y~0 := #t~nondet1; [L19] havoc #t~nondet1; VAL [~x~0=1073741826, ~y~0=1073741825] [L21-L36] COND FALSE !(!(~y~0 > 0 && ~x~0 > 0)) VAL [~x~0=1073741826, ~y~0=1073741825] [L22] COND TRUE ~x~0 > ~y~0 [L23] ~z~0 := ~y~0; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#t~nondet2=0, ~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] COND FALSE !(0 != #t~nondet2) [L27] havoc #t~nondet2; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L32] assert ~y~0 + ~x~0 <= 2147483647; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L15] havoc ~x~0; [L15] havoc ~y~0; [L16] havoc ~z~0; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L18] ~x~0 := #t~nondet0; [L18] havoc #t~nondet0; [L19] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L19] ~y~0 := #t~nondet1; [L19] havoc #t~nondet1; VAL [~x~0=1073741826, ~y~0=1073741825] [L21-L36] COND FALSE !(!(~y~0 > 0 && ~x~0 > 0)) VAL [~x~0=1073741826, ~y~0=1073741825] [L22] COND TRUE ~x~0 > ~y~0 [L23] ~z~0 := ~y~0; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#t~nondet2=0, ~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] COND FALSE !(0 != #t~nondet2) [L27] havoc #t~nondet2; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L32] assert ~y~0 + ~x~0 <= 2147483647; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L15] havoc ~x~0; [L15] havoc ~y~0; [L16] havoc ~z~0; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L18] ~x~0 := #t~nondet0; [L18] havoc #t~nondet0; [L19] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L19] ~y~0 := #t~nondet1; [L19] havoc #t~nondet1; VAL [~x~0=1073741826, ~y~0=1073741825] [L21-L36] COND FALSE !(!(~y~0 > 0 && ~x~0 > 0)) VAL [~x~0=1073741826, ~y~0=1073741825] [L22] COND TRUE ~x~0 > ~y~0 [L23] ~z~0 := ~y~0; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#t~nondet2=0, ~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] COND FALSE !(0 != #t~nondet2) [L27] havoc #t~nondet2; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L32] assert ~y~0 + ~x~0 <= 2147483647; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret3 := main(); [L15] havoc ~x~0; [L15] havoc ~y~0; [L16] havoc ~z~0; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; [L18] ~x~0 := #t~nondet0; [L18] havoc #t~nondet0; [L19] assume -2147483648 <= #t~nondet1 && #t~nondet1 <= 2147483647; [L19] ~y~0 := #t~nondet1; [L19] havoc #t~nondet1; VAL [~x~0=1073741826, ~y~0=1073741825] [L21-L36] COND FALSE !(!(~y~0 > 0 && ~x~0 > 0)) VAL [~x~0=1073741826, ~y~0=1073741825] [L22] COND TRUE ~x~0 > ~y~0 [L23] ~z~0 := ~y~0; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] assume -2147483648 <= #t~nondet2 && #t~nondet2 <= 2147483647; VAL [#t~nondet2=0, ~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L27] COND FALSE !(0 != #t~nondet2) [L27] havoc #t~nondet2; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L32] assert ~y~0 + ~x~0 <= 2147483647; VAL [~x~0=1073741826, ~y~0=1073741825, ~z~0=1073741825] [L15] int x,y; [L16] int z; [L18] x = __VERIFIER_nondet_int() [L19] y = __VERIFIER_nondet_int() [L21] COND TRUE y > 0 && x > 0 VAL [x=1073741826, y=1073741825] [L22] COND TRUE x>y [L23] z = y VAL [x=1073741826, y=1073741825, z=1073741825] [L27] COND FALSE !(__VERIFIER_nondet_int() != 0) [L32] y+x VAL [x=1073741826, y=1073741825, z=1073741825] ----- [2018-11-23 06:14:27,479 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_3c7d7a8e-64e7-4a8a-a76a-b85064bb33c4/bin-2019/utaipan/witness.graphml [2018-11-23 06:14:27,479 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:14:27,479 INFO L168 Benchmark]: Toolchain (without parser) took 564.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 959.8 MB in the beginning and 1.1 GB in the end (delta: -92.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:14:27,481 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:14:27,481 INFO L168 Benchmark]: CACSL2BoogieTranslator took 138.13 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 949.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:14:27,482 INFO L168 Benchmark]: Boogie Procedure Inliner took 12.07 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 946.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:14:27,482 INFO L168 Benchmark]: Boogie Preprocessor took 47.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:14:27,483 INFO L168 Benchmark]: RCFGBuilder took 150.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:14:27,483 INFO L168 Benchmark]: TraceAbstraction took 179.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:14:27,484 INFO L168 Benchmark]: Witness Printer took 33.36 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:14:27,486 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 985.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 138.13 ms. Allocated memory is still 1.0 GB. Free memory was 959.8 MB in the beginning and 949.1 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 12.07 ms. Allocated memory is still 1.0 GB. Free memory was 949.1 MB in the beginning and 946.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.73 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 88.1 MB). Free memory was 946.4 MB in the beginning and 1.1 GB in the end (delta: -139.4 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 150.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 179.75 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 11.5 GB. * Witness Printer took 33.36 ms. Allocated memory is still 1.1 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: 32]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int x,y; [L16] int z; [L18] x = __VERIFIER_nondet_int() [L19] y = __VERIFIER_nondet_int() [L21] COND TRUE y > 0 && x > 0 VAL [x=1073741826, y=1073741825] [L22] COND TRUE x>y [L23] z = y VAL [x=1073741826, y=1073741825, z=1073741825] [L27] COND FALSE !(__VERIFIER_nondet_int() != 0) [L32] y+x VAL [x=1073741826, y=1073741825, z=1073741825] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 38 locations, 12 error locations. UNSAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=38occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 10 NumberOfCodeBlocks, 10 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...