./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/bitvector/jain_1_false-no-overflow.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8faa7e5b-266d-4ab9-afa1-483a48358327/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8faa7e5b-266d-4ab9-afa1-483a48358327/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8faa7e5b-266d-4ab9-afa1-483a48358327/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8faa7e5b-266d-4ab9-afa1-483a48358327/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/bitvector/jain_1_false-no-overflow.i -s /tmp/vcloud-vcloud-master/worker/working_dir_8faa7e5b-266d-4ab9-afa1-483a48358327/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8faa7e5b-266d-4ab9-afa1-483a48358327/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 32bit --witnessprinter.graph.data.programhash 29eb7bd5560a831151ba0ab880d5190d7243dd4d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:37:16,983 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 12:37:16,984 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 12:37:16,991 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 12:37:16,991 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 12:37:16,992 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 12:37:16,992 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 12:37:16,993 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 12:37:16,995 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 12:37:16,995 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 12:37:16,996 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 12:37:16,996 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 12:37:16,997 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 12:37:16,997 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 12:37:16,998 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 12:37:16,999 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 12:37:16,999 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 12:37:17,000 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 12:37:17,002 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 12:37:17,003 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 12:37:17,003 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 12:37:17,004 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 12:37:17,006 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 12:37:17,006 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 12:37:17,006 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 12:37:17,006 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 12:37:17,007 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 12:37:17,008 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 12:37:17,008 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 12:37:17,009 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 12:37:17,009 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 12:37:17,009 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 12:37:17,010 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 12:37:17,010 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 12:37:17,010 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 12:37:17,011 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 12:37:17,011 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8faa7e5b-266d-4ab9-afa1-483a48358327/bin-2019/utaipan/config/svcomp-Overflow-32bit-Taipan_Default.epf [2018-11-23 12:37:17,020 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 12:37:17,021 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 12:37:17,021 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 12:37:17,021 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 12:37:17,021 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 12:37:17,022 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 12:37:17,022 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 12:37:17,022 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 12:37:17,022 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 12:37:17,022 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 12:37:17,022 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 12:37:17,022 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 12:37:17,022 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 12:37:17,023 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 12:37:17,023 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 12:37:17,023 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-23 12:37:17,023 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 12:37:17,023 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 12:37:17,024 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 12:37:17,024 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 12:37:17,024 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 12:37:17,024 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 12:37:17,024 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-23 12:37:17,024 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 12:37:17,024 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 12:37:17,024 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 12:37:17,025 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 12:37:17,025 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 12:37:17,025 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 12:37:17,025 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 12:37:17,025 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 12:37:17,025 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 12:37:17,025 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 12:37:17,026 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 12:37:17,026 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 12:37:17,026 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 12:37:17,026 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 12:37:17,026 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 12:37:17,026 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 12:37:17,026 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_8faa7e5b-266d-4ab9-afa1-483a48358327/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 -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 29eb7bd5560a831151ba0ab880d5190d7243dd4d [2018-11-23 12:37:17,049 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 12:37:17,057 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 12:37:17,059 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 12:37:17,060 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 12:37:17,061 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 12:37:17,061 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8faa7e5b-266d-4ab9-afa1-483a48358327/bin-2019/utaipan/../../sv-benchmarks/c/bitvector/jain_1_false-no-overflow.i [2018-11-23 12:37:17,096 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8faa7e5b-266d-4ab9-afa1-483a48358327/bin-2019/utaipan/data/c8c56ef74/c2f0099632274b6eac0763f902fa29d2/FLAG219ef9ddd [2018-11-23 12:37:17,491 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 12:37:17,491 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8faa7e5b-266d-4ab9-afa1-483a48358327/sv-benchmarks/c/bitvector/jain_1_false-no-overflow.i [2018-11-23 12:37:17,495 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8faa7e5b-266d-4ab9-afa1-483a48358327/bin-2019/utaipan/data/c8c56ef74/c2f0099632274b6eac0763f902fa29d2/FLAG219ef9ddd [2018-11-23 12:37:17,503 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8faa7e5b-266d-4ab9-afa1-483a48358327/bin-2019/utaipan/data/c8c56ef74/c2f0099632274b6eac0763f902fa29d2 [2018-11-23 12:37:17,505 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 12:37:17,505 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 12:37:17,506 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 12:37:17,506 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 12:37:17,508 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 12:37:17,509 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:17" (1/1) ... [2018-11-23 12:37:17,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a9989bb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:17, skipping insertion in model container [2018-11-23 12:37:17,511 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 12:37:17" (1/1) ... [2018-11-23 12:37:17,517 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 12:37:17,530 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 12:37:17,627 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:37:17,629 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 12:37:17,639 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 12:37:17,649 INFO L195 MainTranslator]: Completed translation [2018-11-23 12:37:17,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:17 WrapperNode [2018-11-23 12:37:17,650 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 12:37:17,650 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 12:37:17,650 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 12:37:17,650 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 12:37:17,657 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:17" (1/1) ... [2018-11-23 12:37:17,661 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:17" (1/1) ... [2018-11-23 12:37:17,666 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 12:37:17,667 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 12:37:17,667 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 12:37:17,667 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 12:37:17,674 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:17" (1/1) ... [2018-11-23 12:37:17,675 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:17" (1/1) ... [2018-11-23 12:37:17,675 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:17" (1/1) ... [2018-11-23 12:37:17,675 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:17" (1/1) ... [2018-11-23 12:37:17,678 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:17" (1/1) ... [2018-11-23 12:37:17,681 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:17" (1/1) ... [2018-11-23 12:37:17,682 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:17" (1/1) ... [2018-11-23 12:37:17,683 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 12:37:17,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 12:37:17,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 12:37:17,683 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 12:37:17,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8faa7e5b-266d-4ab9-afa1-483a48358327/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 12:37:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 12:37:17,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 12:37:17,764 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 12:37:17,764 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 12:37:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 12:37:17,765 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 12:37:17,765 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-23 12:37:17,765 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-23 12:37:17,871 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 12:37:17,871 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 12:37:17,871 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:17 BoogieIcfgContainer [2018-11-23 12:37:17,871 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 12:37:17,872 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 12:37:17,872 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 12:37:17,875 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 12:37:17,875 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 12:37:17" (1/3) ... [2018-11-23 12:37:17,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ef0580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:37:17, skipping insertion in model container [2018-11-23 12:37:17,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 12:37:17" (2/3) ... [2018-11-23 12:37:17,876 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@35ef0580 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 12:37:17, skipping insertion in model container [2018-11-23 12:37:17,876 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:17" (3/3) ... [2018-11-23 12:37:17,878 INFO L112 eAbstractionObserver]: Analyzing ICFG jain_1_false-no-overflow.i [2018-11-23 12:37:17,884 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 12:37:17,888 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-23 12:37:17,897 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-23 12:37:17,916 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 12:37:17,916 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 12:37:17,916 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 12:37:17,916 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 12:37:17,916 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 12:37:17,917 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 12:37:17,917 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 12:37:17,917 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 12:37:17,927 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-11-23 12:37:17,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2018-11-23 12:37:17,930 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 12:37:17,931 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2018-11-23 12:37:17,932 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-23 12:37:17,937 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 12:37:17,937 INFO L82 PathProgramCache]: Analyzing trace with hash 1145425065, now seen corresponding path program 1 times [2018-11-23 12:37:17,938 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 12:37:17,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:17,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 12:37:17,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 12:37:17,972 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 12:37:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:37:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-23 12:37:18,006 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); [?] assume true; [?] RET #39#return; [?] CALL call #t~ret1 := main(); [?] havoc ~y~0;~y~0 := 1; VAL [main_~y~0=1] [?] assume !false;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [main_~y~0=1, |main_#t~nondet0|=1073741824] [?] assume !(2 * #t~nondet0 <= 2147483647); VAL [main_~y~0=1, |main_#t~nondet0|=1073741824] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L12] havoc ~y~0; [L14] ~y~0 := 1; VAL [~y~0=1] [L16-L23] assume !false; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [L18] assert 2 * #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L12] havoc ~y~0; [L14] ~y~0 := 1; VAL [~y~0=1] [L16-L23] assume !false; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [L18] assert 2 * #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L12] havoc ~y~0; [L14] ~y~0 := 1; VAL [~y~0=1] [L16-L23] COND FALSE !(false) [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [L18] assert 2 * #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L12] havoc ~y~0; [L14] ~y~0 := 1; VAL [~y~0=1] [L16-L23] COND FALSE !(false) [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [L18] assert 2 * #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L12] havoc ~y~0; [L14] ~y~0 := 1; VAL [~y~0=1] [L16-L23] COND FALSE !(false) [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [L18] assert 2 * #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L12] havoc ~y~0; [L14] ~y~0 := 1; VAL [~y~0=1] [L16-L23] COND FALSE !(false) [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [L18] assert 2 * #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [L12] int y; [L14] y = 1 VAL [y=1] [L16] COND TRUE 1 [L18] 2*__VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1073741824, y=1] ----- [2018-11-23 12:37:18,023 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 12:37:18 BoogieIcfgContainer [2018-11-23 12:37:18,023 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 12:37:18,023 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 12:37:18,023 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 12:37:18,024 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 12:37:18,024 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 12:37:17" (3/4) ... [2018-11-23 12:37:18,025 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 #39#return; [?] CALL call #t~ret1 := main(); [?] havoc ~y~0;~y~0 := 1; VAL [main_~y~0=1] [?] assume !false;assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [main_~y~0=1, |main_#t~nondet0|=1073741824] [?] assume !(2 * #t~nondet0 <= 2147483647); VAL [main_~y~0=1, |main_#t~nondet0|=1073741824] [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L12] havoc ~y~0; [L14] ~y~0 := 1; VAL [~y~0=1] [L16-L23] assume !false; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [L18] assert 2 * #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); [?] ensures true; [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L12] havoc ~y~0; [L14] ~y~0 := 1; VAL [~y~0=1] [L16-L23] assume !false; [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [L18] assert 2 * #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L12] havoc ~y~0; [L14] ~y~0 := 1; VAL [~y~0=1] [L16-L23] COND FALSE !(false) [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [L18] assert 2 * #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L12] havoc ~y~0; [L14] ~y~0 := 1; VAL [~y~0=1] [L16-L23] COND FALSE !(false) [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [L18] assert 2 * #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L12] havoc ~y~0; [L14] ~y~0 := 1; VAL [~y~0=1] [L16-L23] COND FALSE !(false) [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [L18] assert 2 * #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); [?] RET call ULTIMATE.init(); [?] CALL call #t~ret1 := main(); [L12] havoc ~y~0; [L14] ~y~0 := 1; VAL [~y~0=1] [L16-L23] COND FALSE !(false) [L18] assume -2147483648 <= #t~nondet0 && #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [L18] assert 2 * #t~nondet0 <= 2147483647; VAL [#t~nondet0=1073741824, ~y~0=1] [L12] int y; [L14] y = 1 VAL [y=1] [L16] COND TRUE 1 [L18] 2*__VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1073741824, y=1] ----- [2018-11-23 12:37:18,050 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8faa7e5b-266d-4ab9-afa1-483a48358327/bin-2019/utaipan/witness.graphml [2018-11-23 12:37:18,050 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 12:37:18,051 INFO L168 Benchmark]: Toolchain (without parser) took 545.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -163.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:37:18,052 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:37:18,052 INFO L168 Benchmark]: CACSL2BoogieTranslator took 143.97 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:37:18,052 INFO L168 Benchmark]: Boogie Procedure Inliner took 16.39 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 12:37:18,053 INFO L168 Benchmark]: Boogie Preprocessor took 16.37 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-23 12:37:18,053 INFO L168 Benchmark]: RCFGBuilder took 188.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:37:18,054 INFO L168 Benchmark]: TraceAbstraction took 151.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. [2018-11-23 12:37:18,054 INFO L168 Benchmark]: Witness Printer took 26.89 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. [2018-11-23 12:37:18,056 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 143.97 ms. Allocated memory is still 1.0 GB. Free memory was 959.1 MB in the beginning and 948.4 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 16.39 ms. Allocated memory is still 1.0 GB. Free memory is still 948.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.37 ms. Allocated memory is still 1.0 GB. Free memory was 948.4 MB in the beginning and 945.7 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 188.21 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.6 MB). Free memory was 945.7 MB in the beginning and 1.1 GB in the end (delta: -190.5 MB). Peak memory consumption was 14.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 151.10 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 13.4 MB). Peak memory consumption was 13.4 MB. Max. memory is 11.5 GB. * Witness Printer took 26.89 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: 18]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int y; [L14] y = 1 VAL [y=1] [L16] COND TRUE 1 [L18] 2*__VERIFIER_nondet_int() VAL [__VERIFIER_nondet_int()=1073741824, y=1] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 25 locations, 4 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=25occurred 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, 7 NumberOfCodeBlocks, 7 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...