./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedFails4_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c0c33449-1596-4d8c-bc67-c5c3a3b8a1ec/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c0c33449-1596-4d8c-bc67-c5c3a3b8a1ec/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c0c33449-1596-4d8c-bc67-c5c3a3b8a1ec/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c0c33449-1596-4d8c-bc67-c5c3a3b8a1ec/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedFails4_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c0c33449-1596-4d8c-bc67-c5c3a3b8a1ec/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c0c33449-1596-4d8c-bc67-c5c3a3b8a1ec/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 518ff7172461801e029b0019cb489af547b17911 ................................................................................................................................................................................................................................................ 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 0.1.23-5842f4b [2018-11-18 12:23:26,810 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 12:23:26,812 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 12:23:26,821 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 12:23:26,821 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 12:23:26,822 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 12:23:26,823 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 12:23:26,824 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 12:23:26,825 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 12:23:26,826 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 12:23:26,827 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 12:23:26,827 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 12:23:26,828 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 12:23:26,828 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 12:23:26,829 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 12:23:26,830 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 12:23:26,830 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 12:23:26,832 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 12:23:26,833 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 12:23:26,834 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 12:23:26,835 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 12:23:26,836 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 12:23:26,838 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 12:23:26,838 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 12:23:26,838 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 12:23:26,839 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 12:23:26,840 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 12:23:26,840 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 12:23:26,841 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 12:23:26,842 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 12:23:26,842 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 12:23:26,842 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 12:23:26,842 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 12:23:26,842 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 12:23:26,843 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 12:23:26,844 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 12:23:26,844 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c0c33449-1596-4d8c-bc67-c5c3a3b8a1ec/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-11-18 12:23:26,855 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 12:23:26,855 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 12:23:26,856 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 12:23:26,856 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 12:23:26,856 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 12:23:26,856 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 12:23:26,856 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 12:23:26,856 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 12:23:26,856 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 12:23:26,857 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 12:23:26,857 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 12:23:26,857 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 12:23:26,857 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 12:23:26,858 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 12:23:26,858 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-18 12:23:26,858 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 12:23:26,858 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 12:23:26,858 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 12:23:26,858 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 12:23:26,858 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 12:23:26,859 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-18 12:23:26,859 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 12:23:26,859 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 12:23:26,859 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 12:23:26,859 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 12:23:26,859 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 12:23:26,859 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 12:23:26,860 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 12:23:26,860 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 12:23:26,860 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 12:23:26,860 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 12:23:26,860 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 12:23:26,860 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 12:23:26,861 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 12:23:26,861 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 12:23:26,861 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 12:23:26,861 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_c0c33449-1596-4d8c-bc67-c5c3a3b8a1ec/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 -> 518ff7172461801e029b0019cb489af547b17911 [2018-11-18 12:23:26,886 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 12:23:26,896 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 12:23:26,899 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 12:23:26,900 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 12:23:26,901 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 12:23:26,901 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c0c33449-1596-4d8c-bc67-c5c3a3b8a1ec/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedFails4_false-no-overflow.c [2018-11-18 12:23:26,951 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0c33449-1596-4d8c-bc67-c5c3a3b8a1ec/bin-2019/utaipan/data/a7943aea2/8764c30143cc49c1aa1c7a13d5444a26/FLAG842ef7be1 [2018-11-18 12:23:27,302 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 12:23:27,303 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c0c33449-1596-4d8c-bc67-c5c3a3b8a1ec/sv-benchmarks/c/termination-crafted-lit/AliasDarteFeautrierGonnord-SAS2010-speedFails4_false-no-overflow.c [2018-11-18 12:23:27,308 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c0c33449-1596-4d8c-bc67-c5c3a3b8a1ec/bin-2019/utaipan/data/a7943aea2/8764c30143cc49c1aa1c7a13d5444a26/FLAG842ef7be1 [2018-11-18 12:23:27,716 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c0c33449-1596-4d8c-bc67-c5c3a3b8a1ec/bin-2019/utaipan/data/a7943aea2/8764c30143cc49c1aa1c7a13d5444a26 [2018-11-18 12:23:27,719 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 12:23:27,721 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 12:23:27,721 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 12:23:27,722 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 12:23:27,724 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 12:23:27,725 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:23:27" (1/1) ... [2018-11-18 12:23:27,727 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cffd6b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:27, skipping insertion in model container [2018-11-18 12:23:27,727 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 12:23:27" (1/1) ... [2018-11-18 12:23:27,734 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 12:23:27,750 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 12:23:27,867 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:23:27,870 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 12:23:27,881 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 12:23:27,890 INFO L195 MainTranslator]: Completed translation [2018-11-18 12:23:27,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:27 WrapperNode [2018-11-18 12:23:27,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 12:23:27,891 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 12:23:27,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 12:23:27,892 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 12:23:27,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:27" (1/1) ... [2018-11-18 12:23:27,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:27" (1/1) ... [2018-11-18 12:23:27,906 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 12:23:27,906 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 12:23:27,906 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 12:23:27,907 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 12:23:27,913 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:27" (1/1) ... [2018-11-18 12:23:27,913 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:27" (1/1) ... [2018-11-18 12:23:27,913 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:27" (1/1) ... [2018-11-18 12:23:27,913 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:27" (1/1) ... [2018-11-18 12:23:27,916 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:27" (1/1) ... [2018-11-18 12:23:27,921 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:27" (1/1) ... [2018-11-18 12:23:27,921 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:27" (1/1) ... [2018-11-18 12:23:27,923 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 12:23:27,923 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 12:23:27,923 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 12:23:27,923 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 12:23:27,924 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c0c33449-1596-4d8c-bc67-c5c3a3b8a1ec/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 [2018-11-18 12:23:28,006 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 12:23:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 12:23:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 12:23:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 12:23:28,007 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 12:23:28,007 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 12:23:28,119 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 12:23:28,119 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:23:28 BoogieIcfgContainer [2018-11-18 12:23:28,119 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 12:23:28,120 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 12:23:28,120 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 12:23:28,123 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 12:23:28,124 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 12:23:27" (1/3) ... [2018-11-18 12:23:28,124 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3442f566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:23:28, skipping insertion in model container [2018-11-18 12:23:28,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 12:23:27" (2/3) ... [2018-11-18 12:23:28,125 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3442f566 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 12:23:28, skipping insertion in model container [2018-11-18 12:23:28,125 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:23:28" (3/3) ... [2018-11-18 12:23:28,127 INFO L112 eAbstractionObserver]: Analyzing ICFG AliasDarteFeautrierGonnord-SAS2010-speedFails4_false-no-overflow.c [2018-11-18 12:23:28,136 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 12:23:28,141 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-11-18 12:23:28,152 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-11-18 12:23:28,174 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 12:23:28,175 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 12:23:28,175 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 12:23:28,175 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 12:23:28,175 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 12:23:28,175 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 12:23:28,175 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 12:23:28,175 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 12:23:28,187 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states. [2018-11-18 12:23:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-11-18 12:23:28,191 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:23:28,191 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:23:28,193 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-18 12:23:28,197 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:23:28,197 INFO L82 PathProgramCache]: Analyzing trace with hash -2023774043, now seen corresponding path program 1 times [2018-11-18 12:23:28,199 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:23:28,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:28,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:23:28,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:23:28,237 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:23:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-18 12:23:28,285 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-18 12:23:28,303 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:23:28 BoogieIcfgContainer [2018-11-18 12:23:28,303 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:23:28,303 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:23:28,303 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:23:28,304 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:23:28,304 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 12:23:28" (3/4) ... [2018-11-18 12:23:28,306 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-18 12:23:28,338 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c0c33449-1596-4d8c-bc67-c5c3a3b8a1ec/bin-2019/utaipan/witness.graphml [2018-11-18 12:23:28,339 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:23:28,339 INFO L168 Benchmark]: Toolchain (without parser) took 619.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 953.8 MB in the beginning and 1.1 GB in the end (delta: -142.2 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:23:28,340 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:23:28,341 INFO L168 Benchmark]: CACSL2BoogieTranslator took 169.65 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:28,341 INFO L168 Benchmark]: Boogie Procedure Inliner took 14.73 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:23:28,341 INFO L168 Benchmark]: Boogie Preprocessor took 16.36 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:28,342 INFO L168 Benchmark]: RCFGBuilder took 196.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:28,343 INFO L168 Benchmark]: TraceAbstraction took 183.05 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:23:28,343 INFO L168 Benchmark]: Witness Printer took 35.27 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. [2018-11-18 12:23:28,346 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 169.65 ms. Allocated memory is still 1.0 GB. Free memory was 953.8 MB in the beginning and 943.0 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 14.73 ms. Allocated memory is still 1.0 GB. Free memory is still 943.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 16.36 ms. Allocated memory is still 1.0 GB. Free memory was 943.0 MB in the beginning and 940.3 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 196.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 940.3 MB in the beginning and 1.1 GB in the end (delta: -175.3 MB). Peak memory consumption was 19.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 183.05 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: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. * Witness Printer took 35.27 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: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L14] int i, x, n, b, t; [L15] i = __VERIFIER_nondet_int() [L16] x = __VERIFIER_nondet_int() [L17] n = __VERIFIER_nondet_int() [L18] b = __VERIFIER_nondet_int() [L19] COND TRUE b >= 1 [L20] t = 1 VAL [b=2, i=0, n=2147483647, t=1, x=2147483647] [L24] COND TRUE x <= n VAL [b=2, i=0, n=2147483647, t=1, x=2147483647] [L25] COND TRUE b >= 1 VAL [b=2, i=0, n=2147483647, t=1, x=2147483647] [L26] x + t VAL [b=2, i=0, n=2147483647, t=1, x=2147483647] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 22 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=22occurred 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...