./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_18859f3b-0c19-4574-a609-44c07c21c324/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_18859f3b-0c19-4574-a609-44c07c21c324/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_18859f3b-0c19-4574-a609-44c07c21c324/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_18859f3b-0c19-4574-a609-44c07c21c324/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_18859f3b-0c19-4574-a609-44c07c21c324/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_18859f3b-0c19-4574-a609-44c07c21c324/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 3428809e66c8ffa9373e37ec3d02a46642c7f8bc ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 05:40:25,404 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 05:40:25,405 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 05:40:25,413 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 05:40:25,413 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 05:40:25,414 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 05:40:25,415 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 05:40:25,416 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 05:40:25,417 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 05:40:25,418 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 05:40:25,418 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 05:40:25,419 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 05:40:25,419 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 05:40:25,420 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 05:40:25,420 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 05:40:25,421 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 05:40:25,421 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 05:40:25,422 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 05:40:25,424 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 05:40:25,425 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 05:40:25,426 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 05:40:25,427 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 05:40:25,428 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 05:40:25,428 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 05:40:25,428 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 05:40:25,429 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 05:40:25,430 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 05:40:25,430 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 05:40:25,431 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 05:40:25,431 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 05:40:25,431 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 05:40:25,432 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 05:40:25,432 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 05:40:25,432 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 05:40:25,433 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 05:40:25,433 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 05:40:25,433 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_18859f3b-0c19-4574-a609-44c07c21c324/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-11-10 05:40:25,441 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 05:40:25,441 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 05:40:25,442 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 05:40:25,442 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-10 05:40:25,442 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-10 05:40:25,442 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-10 05:40:25,442 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-10 05:40:25,442 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-10 05:40:25,442 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-10 05:40:25,442 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-10 05:40:25,442 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-10 05:40:25,443 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 05:40:25,443 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-10 05:40:25,443 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 05:40:25,443 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 05:40:25,443 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 05:40:25,443 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 05:40:25,444 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 05:40:25,444 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-10 05:40:25,444 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 05:40:25,444 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 05:40:25,444 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 05:40:25,444 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-10 05:40:25,444 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 05:40:25,445 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-10 05:40:25,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:40:25,445 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 05:40:25,445 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 05:40:25,445 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 05:40:25,445 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-10 05:40:25,445 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 05:40:25,445 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 05:40:25,445 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-10 05:40:25,445 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_18859f3b-0c19-4574-a609-44c07c21c324/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 -> 3428809e66c8ffa9373e37ec3d02a46642c7f8bc [2018-11-10 05:40:25,468 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 05:40:25,478 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 05:40:25,480 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 05:40:25,481 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 05:40:25,482 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 05:40:25,482 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_18859f3b-0c19-4574-a609-44c07c21c324/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c [2018-11-10 05:40:25,525 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18859f3b-0c19-4574-a609-44c07c21c324/bin-2019/utaipan/data/166a4ff7a/7298f21443ac48a09c4a7a36bd3f17e4/FLAG65a071231 [2018-11-10 05:40:25,835 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 05:40:25,836 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_18859f3b-0c19-4574-a609-44c07c21c324/sv-benchmarks/c/termination-crafted-lit/HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c [2018-11-10 05:40:25,841 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_18859f3b-0c19-4574-a609-44c07c21c324/bin-2019/utaipan/data/166a4ff7a/7298f21443ac48a09c4a7a36bd3f17e4/FLAG65a071231 [2018-11-10 05:40:25,851 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_18859f3b-0c19-4574-a609-44c07c21c324/bin-2019/utaipan/data/166a4ff7a/7298f21443ac48a09c4a7a36bd3f17e4 [2018-11-10 05:40:25,853 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 05:40:25,855 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 05:40:25,855 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 05:40:25,855 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 05:40:25,858 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 05:40:25,858 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:40:25" (1/1) ... [2018-11-10 05:40:25,860 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138fce53 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:25, skipping insertion in model container [2018-11-10 05:40:25,860 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 05:40:25" (1/1) ... [2018-11-10 05:40:25,866 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 05:40:25,879 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 05:40:25,979 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:40:25,982 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 05:40:25,993 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 05:40:26,005 INFO L193 MainTranslator]: Completed translation [2018-11-10 05:40:26,005 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:26 WrapperNode [2018-11-10 05:40:26,005 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 05:40:26,006 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 05:40:26,006 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 05:40:26,006 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 05:40:26,011 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:26" (1/1) ... [2018-11-10 05:40:26,016 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:26" (1/1) ... [2018-11-10 05:40:26,026 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 05:40:26,027 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 05:40:26,027 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 05:40:26,027 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 05:40:26,032 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:26" (1/1) ... [2018-11-10 05:40:26,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:26" (1/1) ... [2018-11-10 05:40:26,033 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:26" (1/1) ... [2018-11-10 05:40:26,033 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:26" (1/1) ... [2018-11-10 05:40:26,036 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:26" (1/1) ... [2018-11-10 05:40:26,040 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:26" (1/1) ... [2018-11-10 05:40:26,041 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:26" (1/1) ... [2018-11-10 05:40:26,042 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 05:40:26,042 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 05:40:26,042 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 05:40:26,043 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 05:40:26,043 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:26" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_18859f3b-0c19-4574-a609-44c07c21c324/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-10 05:40:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-10 05:40:26,117 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-10 05:40:26,117 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 05:40:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 05:40:26,118 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-10 05:40:26,118 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-10 05:40:26,257 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 05:40:26,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:40:26 BoogieIcfgContainer [2018-11-10 05:40:26,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 05:40:26,258 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-10 05:40:26,258 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-10 05:40:26,260 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-10 05:40:26,260 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.11 05:40:25" (1/3) ... [2018-11-10 05:40:26,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6258eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:40:26, skipping insertion in model container [2018-11-10 05:40:26,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 05:40:26" (2/3) ... [2018-11-10 05:40:26,261 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6258eb3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.11 05:40:26, skipping insertion in model container [2018-11-10 05:40:26,261 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:40:26" (3/3) ... [2018-11-10 05:40:26,263 INFO L112 eAbstractionObserver]: Analyzing ICFG HeizmannHoenickeLeikePodelski-ATVA2013-Fig7_false-no-overflow.c [2018-11-10 05:40:26,270 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-10 05:40:26,275 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 6 error locations. [2018-11-10 05:40:26,287 INFO L257 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2018-11-10 05:40:26,313 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-10 05:40:26,313 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-10 05:40:26,314 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-10 05:40:26,314 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-10 05:40:26,314 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-10 05:40:26,314 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-10 05:40:26,314 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-10 05:40:26,314 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-10 05:40:26,327 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states. [2018-11-10 05:40:26,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 05:40:26,330 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:40:26,331 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:40:26,332 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:40:26,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:40:26,337 INFO L82 PathProgramCache]: Analyzing trace with hash -2046627484, now seen corresponding path program 1 times [2018-11-10 05:40:26,338 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:40:26,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:26,374 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:40:26,374 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:26,374 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:40:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:26,474 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:40:26,475 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:40:26,475 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 05:40:26,475 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:40:26,478 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-10 05:40:26,485 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-10 05:40:26,485 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-11-10 05:40:26,487 INFO L87 Difference]: Start difference. First operand 31 states. Second operand 4 states. [2018-11-10 05:40:26,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:40:26,545 INFO L93 Difference]: Finished difference Result 70 states and 82 transitions. [2018-11-10 05:40:26,546 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-10 05:40:26,546 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 11 [2018-11-10 05:40:26,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:40:26,552 INFO L225 Difference]: With dead ends: 70 [2018-11-10 05:40:26,552 INFO L226 Difference]: Without dead ends: 43 [2018-11-10 05:40:26,554 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-11-10 05:40:26,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-11-10 05:40:26,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 31. [2018-11-10 05:40:26,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-10 05:40:26,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 33 transitions. [2018-11-10 05:40:26,576 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 33 transitions. Word has length 11 [2018-11-10 05:40:26,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:40:26,576 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 33 transitions. [2018-11-10 05:40:26,576 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-10 05:40:26,576 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 33 transitions. [2018-11-10 05:40:26,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-11-10 05:40:26,577 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:40:26,577 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:40:26,577 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:40:26,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:40:26,578 INFO L82 PathProgramCache]: Analyzing trace with hash 226853634, now seen corresponding path program 1 times [2018-11-10 05:40:26,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:40:26,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:26,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:40:26,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:26,579 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:40:26,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:26,613 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:40:26,613 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-10 05:40:26,613 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-10 05:40:26,613 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:40:26,615 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-10 05:40:26,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-10 05:40:26,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 05:40:26,615 INFO L87 Difference]: Start difference. First operand 31 states and 33 transitions. Second operand 3 states. [2018-11-10 05:40:26,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:40:26,634 INFO L93 Difference]: Finished difference Result 43 states and 45 transitions. [2018-11-10 05:40:26,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-10 05:40:26,634 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-11-10 05:40:26,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:40:26,635 INFO L225 Difference]: With dead ends: 43 [2018-11-10 05:40:26,635 INFO L226 Difference]: Without dead ends: 31 [2018-11-10 05:40:26,636 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-10 05:40:26,636 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31 states. [2018-11-10 05:40:26,638 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31 to 31. [2018-11-10 05:40:26,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-10 05:40:26,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2018-11-10 05:40:26,639 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 14 [2018-11-10 05:40:26,639 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:40:26,640 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2018-11-10 05:40:26,640 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-10 05:40:26,640 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-11-10 05:40:26,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 05:40:26,640 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:40:26,640 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:40:26,641 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:40:26,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:40:26,641 INFO L82 PathProgramCache]: Analyzing trace with hash -656570183, now seen corresponding path program 1 times [2018-11-10 05:40:26,641 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:40:26,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:26,642 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:40:26,642 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:26,642 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:40:26,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:26,702 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:40:26,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 05:40:26,702 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 05:40:26,703 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 17 with the following transitions: [2018-11-10 05:40:26,705 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [13], [18], [20], [21], [22], [24], [57], [58], [59] [2018-11-10 05:40:26,741 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 05:40:26,742 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 05:40:27,144 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 05:40:27,145 INFO L272 AbstractInterpreter]: Visited 13 different actions 67 times. Merged at 5 different actions 45 times. Widened at 1 different actions 5 times. Found 1 fixpoints after 1 different actions. Largest state had 27 variables. [2018-11-10 05:40:27,158 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:40:27,158 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 05:40:27,239 INFO L227 lantSequenceWeakener]: Weakened 15 states. On average, predicates are now at 83% of their original sizes. [2018-11-10 05:40:27,240 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 05:40:27,316 INFO L415 sIntCurrentIteration]: We unified 15 AI predicates to 15 [2018-11-10 05:40:27,316 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 05:40:27,316 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 05:40:27,316 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 11 [2018-11-10 05:40:27,316 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:40:27,317 INFO L460 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-10 05:40:27,317 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-10 05:40:27,317 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-10 05:40:27,317 INFO L87 Difference]: Start difference. First operand 31 states and 32 transitions. Second operand 8 states. [2018-11-10 05:40:27,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:40:27,443 INFO L93 Difference]: Finished difference Result 31 states and 32 transitions. [2018-11-10 05:40:27,443 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-10 05:40:27,443 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-11-10 05:40:27,443 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:40:27,444 INFO L225 Difference]: With dead ends: 31 [2018-11-10 05:40:27,444 INFO L226 Difference]: Without dead ends: 29 [2018-11-10 05:40:27,444 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-10 05:40:27,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-11-10 05:40:27,447 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2018-11-10 05:40:27,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-11-10 05:40:27,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2018-11-10 05:40:27,448 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 16 [2018-11-10 05:40:27,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:40:27,449 INFO L481 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2018-11-10 05:40:27,449 INFO L482 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-10 05:40:27,449 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-11-10 05:40:27,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-11-10 05:40:27,449 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:40:27,449 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:40:27,450 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:40:27,450 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:40:27,450 INFO L82 PathProgramCache]: Analyzing trace with hash -650760307, now seen corresponding path program 1 times [2018-11-10 05:40:27,450 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:40:27,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:27,451 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:40:27,451 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:27,451 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:40:27,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 05:40:27,533 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 05:40:27,533 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-10 05:40:27,533 INFO L194 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-10 05:40:27,533 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 20 with the following transitions: [2018-11-10 05:40:27,534 INFO L202 CegarAbsIntRunner]: [0], [1], [5], [9], [13], [16], [18], [20], [22], [24], [28], [32], [38], [43], [44], [57], [58], [59] [2018-11-10 05:40:27,535 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, OctagonDomain] [2018-11-10 05:40:27,535 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-10 05:40:27,821 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-10 05:40:27,821 INFO L272 AbstractInterpreter]: Visited 18 different actions 112 times. Merged at 10 different actions 85 times. Widened at 2 different actions 9 times. Found 1 fixpoints after 1 different actions. Largest state had 34 variables. [2018-11-10 05:40:27,823 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:40:27,823 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-10 05:40:27,866 INFO L227 lantSequenceWeakener]: Weakened 18 states. On average, predicates are now at 79.49% of their original sizes. [2018-11-10 05:40:27,866 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-10 05:40:27,938 INFO L415 sIntCurrentIteration]: We unified 18 AI predicates to 18 [2018-11-10 05:40:27,938 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-10 05:40:27,938 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-10 05:40:27,938 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [7] total 14 [2018-11-10 05:40:27,939 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-10 05:40:27,939 INFO L460 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-10 05:40:27,939 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-10 05:40:27,939 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2018-11-10 05:40:27,939 INFO L87 Difference]: Start difference. First operand 26 states and 27 transitions. Second operand 9 states. [2018-11-10 05:40:28,247 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-10 05:40:28,247 INFO L93 Difference]: Finished difference Result 37 states and 38 transitions. [2018-11-10 05:40:28,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-10 05:40:28,247 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 19 [2018-11-10 05:40:28,248 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-10 05:40:28,248 INFO L225 Difference]: With dead ends: 37 [2018-11-10 05:40:28,248 INFO L226 Difference]: Without dead ends: 35 [2018-11-10 05:40:28,249 INFO L605 BasicCegarLoop]: 2 DeclaredPredicates, 20 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2018-11-10 05:40:28,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-11-10 05:40:28,252 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 31. [2018-11-10 05:40:28,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 31 states. [2018-11-10 05:40:28,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 31 states and 32 transitions. [2018-11-10 05:40:28,253 INFO L78 Accepts]: Start accepts. Automaton has 31 states and 32 transitions. Word has length 19 [2018-11-10 05:40:28,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-10 05:40:28,253 INFO L481 AbstractCegarLoop]: Abstraction has 31 states and 32 transitions. [2018-11-10 05:40:28,254 INFO L482 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-10 05:40:28,254 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 32 transitions. [2018-11-10 05:40:28,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 05:40:28,254 INFO L367 BasicCegarLoop]: Found error trace [2018-11-10 05:40:28,254 INFO L375 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-10 05:40:28,255 INFO L424 AbstractCegarLoop]: === Iteration 5 === [mainErr5ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr4ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-10 05:40:28,255 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 05:40:28,256 INFO L82 PathProgramCache]: Analyzing trace with hash 1684572655, now seen corresponding path program 1 times [2018-11-10 05:40:28,256 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-10 05:40:28,256 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:28,258 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-10 05:40:28,258 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-10 05:40:28,258 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-10 05:40:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:40:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-10 05:40:28,305 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-11-10 05:40:28,315 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,316 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,316 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,316 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,316 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,317 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,317 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,317 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,317 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,318 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,319 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,319 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,319 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,319 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,319 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,320 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,320 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,320 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,320 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,321 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,321 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,321 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,321 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,321 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,322 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,322 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,322 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,323 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,323 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,323 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,332 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.11 05:40:28 BoogieIcfgContainer [2018-11-10 05:40:28,333 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-10 05:40:28,333 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 05:40:28,333 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 05:40:28,333 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 05:40:28,334 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 05:40:26" (3/4) ... [2018-11-10 05:40:28,335 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-11-10 05:40:28,336 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,336 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,336 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,337 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,337 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,337 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,337 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,337 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,337 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,338 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,338 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,338 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,338 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,338 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,339 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,339 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,339 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,339 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,339 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,339 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,340 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,340 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,340 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,340 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,340 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,341 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,341 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,341 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,341 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,341 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-11-10 05:40:28,367 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_18859f3b-0c19-4574-a609-44c07c21c324/bin-2019/utaipan/witness.graphml [2018-11-10 05:40:28,367 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 05:40:28,368 INFO L168 Benchmark]: Toolchain (without parser) took 2513.89 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 194.0 MB). Free memory was 961.9 MB in the beginning and 1.1 GB in the end (delta: -112.9 MB). Peak memory consumption was 81.1 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:28,368 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:40:28,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 150.40 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:28,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.50 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:28,369 INFO L168 Benchmark]: Boogie Preprocessor took 15.53 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:40:28,369 INFO L168 Benchmark]: RCFGBuilder took 214.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:28,370 INFO L168 Benchmark]: TraceAbstraction took 2074.96 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.3 MB). Peak memory consumption was 99.4 MB. Max. memory is 11.5 GB. [2018-11-10 05:40:28,370 INFO L168 Benchmark]: Witness Printer took 34.25 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 05:40:28,372 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 150.40 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 951.2 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 20.50 ms. Allocated memory is still 1.0 GB. Free memory was 951.2 MB in the beginning and 945.8 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.53 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 214.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 137.9 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -172.2 MB). Peak memory consumption was 15.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2074.96 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 56.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 43.3 MB). Peak memory consumption was 99.4 MB. Max. memory is 11.5 GB. * Witness Printer took 34.25 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.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 26]: integer overflow possible integer overflow possible We found a FailurePath: [L12] int a_length = __VERIFIER_nondet_int(); [L13] COND FALSE !(a_length < 1) [L16] CALL int a[a_length]; [L16] RET int a[a_length]; [L17] int j = 0; [L17] COND TRUE j < a_length [L18] CALL a[j] = __VERIFIER_nondet_int() [L18] RET a[j] = __VERIFIER_nondet_int() [L17] j++ [L17] COND FALSE !(j < a_length) [L20] int offset = 1; [L21] int i = 0; [L22] COND TRUE i < a_length [L23] CALL, EXPR a[i] [L23] RET, EXPR a[i] [L23] COND FALSE !(a[i] < 0) [L26] EXPR i + offset [L26] CALL, EXPR a[i] [L26] RET, EXPR a[i] [L26] i + offset + a[i] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 31 locations, 6 error locations. UNSAFE Result, 2.0s OverallTime, 5 OverallIterations, 2 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 85 SDtfs, 122 SDslu, 173 SDs, 0 SdLazy, 34 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=31occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.7s AbstIntTime, 2 AbstIntIterations, 2 AbstIntStrong, 0.9426883211196936 AbsIntWeakeningRatio, 1.4848484848484849 AbsIntAvgWeakeningVarsNumRemoved, 163.12121212121212 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 4 MinimizatonAttempts, 19 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 81 NumberOfCodeBlocks, 81 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 2044 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 2 PerfectInterpolantSequences, 0/6 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! Received shutdown request...