./Ultimate.py --spec ../../sv-benchmarks/c/properties/no-overflow.prp --file ../../sv-benchmarks/c/signedintegeroverflow-regression/NoConversion_false-no-overflow.c.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_371f264a-48cb-4262-bac1-9098afde97a1/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_371f264a-48cb-4262-bac1-9098afde97a1/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_371f264a-48cb-4262-bac1-9098afde97a1/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_371f264a-48cb-4262-bac1-9098afde97a1/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/signedintegeroverflow-regression/NoConversion_false-no-overflow.c.i -s /tmp/vcloud-vcloud-master/worker/working_dir_371f264a-48cb-4262-bac1-9098afde97a1/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_371f264a-48cb-4262-bac1-9098afde97a1/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 a51de0cc692889b99da17b0d1ffe250fa4a5bddd ...................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW) --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:50:26,763 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:50:26,764 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:50:26,773 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:50:26,773 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:50:26,774 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:50:26,775 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:50:26,776 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:50:26,777 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:50:26,778 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:50:26,779 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:50:26,779 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:50:26,779 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:50:26,780 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:50:26,781 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:50:26,781 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:50:26,782 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:50:26,783 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:50:26,785 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:50:26,786 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:50:26,786 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:50:26,787 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:50:26,789 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:50:26,789 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:50:26,789 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:50:26,790 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:50:26,791 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:50:26,791 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:50:26,792 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:50:26,793 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:50:26,793 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:50:26,793 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:50:26,793 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:50:26,793 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:50:26,794 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:50:26,795 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:50:26,795 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_371f264a-48cb-4262-bac1-9098afde97a1/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-11-22 23:50:26,805 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:50:26,805 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:50:26,806 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:50:26,806 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:50:26,806 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:50:26,806 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:50:26,806 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:50:26,806 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:50:26,806 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:50:26,807 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:50:26,807 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:50:26,807 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:50:26,807 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:50:26,807 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:50:26,808 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-11-22 23:50:26,808 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:50:26,808 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:50:26,808 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:50:26,808 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:50:26,808 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:50:26,808 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-11-22 23:50:26,808 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:50:26,808 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:50:26,808 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:50:26,808 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:50:26,808 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:50:26,809 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:50:26,809 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:50:26,809 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:50:26,809 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:50:26,809 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:50:26,809 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:50:26,809 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:50:26,809 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:50:26,809 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:50:26,809 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:50:26,809 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_371f264a-48cb-4262-bac1-9098afde97a1/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 -> a51de0cc692889b99da17b0d1ffe250fa4a5bddd [2018-11-22 23:50:26,832 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:50:26,840 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:50:26,842 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:50:26,843 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:50:26,843 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:50:26,843 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_371f264a-48cb-4262-bac1-9098afde97a1/bin-2019/utaipan/../../sv-benchmarks/c/signedintegeroverflow-regression/NoConversion_false-no-overflow.c.i [2018-11-22 23:50:26,877 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_371f264a-48cb-4262-bac1-9098afde97a1/bin-2019/utaipan/data/0cadacec9/42cd54f17d4f4f6bb4c05fe26b627449/FLAG9190120d2 [2018-11-22 23:50:27,298 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:50:27,298 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_371f264a-48cb-4262-bac1-9098afde97a1/sv-benchmarks/c/signedintegeroverflow-regression/NoConversion_false-no-overflow.c.i [2018-11-22 23:50:27,304 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_371f264a-48cb-4262-bac1-9098afde97a1/bin-2019/utaipan/data/0cadacec9/42cd54f17d4f4f6bb4c05fe26b627449/FLAG9190120d2 [2018-11-22 23:50:27,313 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_371f264a-48cb-4262-bac1-9098afde97a1/bin-2019/utaipan/data/0cadacec9/42cd54f17d4f4f6bb4c05fe26b627449 [2018-11-22 23:50:27,315 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:50:27,316 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:50:27,317 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:50:27,317 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:50:27,319 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:50:27,320 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:50:27" (1/1) ... [2018-11-22 23:50:27,321 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@133c7a30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:50:27, skipping insertion in model container [2018-11-22 23:50:27,321 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:50:27" (1/1) ... [2018-11-22 23:50:27,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:50:27,345 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:50:27,509 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:50:27,515 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:50:27,577 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:50:27,607 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:50:27,607 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:50:27 WrapperNode [2018-11-22 23:50:27,607 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:50:27,608 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:50:27,608 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:50:27,608 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:50:27,614 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:50:27" (1/1) ... [2018-11-22 23:50:27,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:50:27" (1/1) ... [2018-11-22 23:50:27,625 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:50:27,626 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:50:27,626 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:50:27,626 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:50:27,631 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:50:27" (1/1) ... [2018-11-22 23:50:27,631 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:50:27" (1/1) ... [2018-11-22 23:50:27,632 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:50:27" (1/1) ... [2018-11-22 23:50:27,632 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:50:27" (1/1) ... [2018-11-22 23:50:27,635 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:50:27" (1/1) ... [2018-11-22 23:50:27,636 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:50:27" (1/1) ... [2018-11-22 23:50:27,636 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:50:27" (1/1) ... [2018-11-22 23:50:27,637 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:50:27,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:50:27,638 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:50:27,638 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:50:27,638 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:50:27" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_371f264a-48cb-4262-bac1-9098afde97a1/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 [2018-11-22 23:50:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-11-22 23:50:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:50:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:50:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:50:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:50:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2018-11-22 23:50:27,673 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:50:27,673 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:50:27,787 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:50:27,787 INFO L280 CfgBuilder]: Removed 0 assue(true) statements. [2018-11-22 23:50:27,787 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:50:27 BoogieIcfgContainer [2018-11-22 23:50:27,787 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:50:27,788 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:50:27,788 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:50:27,790 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:50:27,790 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:50:27" (1/3) ... [2018-11-22 23:50:27,790 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78924211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:50:27, skipping insertion in model container [2018-11-22 23:50:27,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:50:27" (2/3) ... [2018-11-22 23:50:27,791 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@78924211 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:50:27, skipping insertion in model container [2018-11-22 23:50:27,791 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:50:27" (3/3) ... [2018-11-22 23:50:27,792 INFO L112 eAbstractionObserver]: Analyzing ICFG NoConversion_false-no-overflow.c.i [2018-11-22 23:50:27,799 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:50:27,803 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:50:27,813 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:50:27,834 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:50:27,834 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:50:27,834 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:50:27,834 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:50:27,834 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:50:27,834 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:50:27,834 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:50:27,834 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:50:27,846 INFO L276 IsEmpty]: Start isEmpty. Operand 11 states. [2018-11-22 23:50:27,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-22 23:50:27,849 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:50:27,850 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2018-11-22 23:50:27,852 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-11-22 23:50:27,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:50:27,856 INFO L82 PathProgramCache]: Analyzing trace with hash 1116575644, now seen corresponding path program 1 times [2018-11-22 23:50:27,858 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:50:27,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:50:27,897 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:50:27,897 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:50:27,897 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:50:27,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:50:27,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-11-22 23:50:27,941 INFO L469 BasicCegarLoop]: Counterexample might be feasible ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=112, |#NULL.offset|=109, |#t~string29.base|=111, |#t~string29.offset|=110, |old(#NULL.base)|=112, |old(#NULL.offset)|=109, |old(#t~string29.base)|=111, |old(#t~string29.offset)|=110] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(5);call write~init~int(37, #t~string29.base, #t~string29.offset, 1);call write~init~int(108, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(100, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(10, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1); VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=113, |#t~string29.offset|=0, |old(#NULL.base)|=112, |old(#NULL.offset)|=109, |old(#t~string29.base)|=111, |old(#t~string29.offset)|=110] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=113, |#t~string29.offset|=0, |old(#NULL.base)|=112, |old(#NULL.offset)|=109, |old(#t~string29.base)|=111, |old(#t~string29.offset)|=110] [?] RET #9#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=113, |#t~string29.offset|=0] [?] CALL call #t~ret30 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=113, |#t~string29.offset|=0] [?] assume !false; VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=113, |#t~string29.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=112, #NULL.offset=109, #t~string29.base=111, #t~string29.offset=110, old(#NULL.base)=112, old(#NULL.offset)=109, old(#t~string29.base)=111, old(#t~string29.offset)=110] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L333] call #t~string29.base, #t~string29.offset := #Ultimate.alloc(5); [L333] call write~init~int(37, #t~string29.base, #t~string29.offset, 1); [L333] call write~init~int(108, #t~string29.base, 1 + #t~string29.offset, 1); [L333] call write~init~int(100, #t~string29.base, 2 + #t~string29.offset, 1); [L333] call write~init~int(10, #t~string29.base, 3 + #t~string29.offset, 1); [L333] call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0, old(#NULL.base)=112, old(#NULL.offset)=109, old(#t~string29.base)=111, old(#t~string29.offset)=110] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0, old(#NULL.base)=112, old(#NULL.offset)=109, old(#t~string29.base)=111, old(#t~string29.offset)=110] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0] [L332] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=112, #NULL.offset=109, #t~string29.base=111, #t~string29.offset=110, old(#NULL.base)=112, old(#NULL.offset)=109, old(#t~string29.base)=111, old(#t~string29.offset)=110] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L333] call #t~string29.base, #t~string29.offset := #Ultimate.alloc(5); [L333] call write~init~int(37, #t~string29.base, #t~string29.offset, 1); [L333] call write~init~int(108, #t~string29.base, 1 + #t~string29.offset, 1); [L333] call write~init~int(100, #t~string29.base, 2 + #t~string29.offset, 1); [L333] call write~init~int(10, #t~string29.base, 3 + #t~string29.offset, 1); [L333] call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0, old(#NULL.base)=112, old(#NULL.offset)=109, old(#t~string29.base)=111, old(#t~string29.offset)=110] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0, old(#NULL.base)=112, old(#NULL.offset)=109, old(#t~string29.base)=111, old(#t~string29.offset)=110] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0] [L332] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=112, #NULL!offset=109, #t~string29!base=111, #t~string29!offset=110, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L333] FCALL call #t~string29 := #Ultimate.alloc(5); [L333] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L333] FCALL call write~init~int(108, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(100, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(10, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(0, { base: #t~string29!base, offset: 4 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [L332] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=112, #NULL!offset=109, #t~string29!base=111, #t~string29!offset=110, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L333] FCALL call #t~string29 := #Ultimate.alloc(5); [L333] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L333] FCALL call write~init~int(108, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(100, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(10, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(0, { base: #t~string29!base, offset: 4 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [L332] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=112, #NULL!offset=109, #t~string29!base=111, #t~string29!offset=110, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L333] FCALL call #t~string29 := #Ultimate.alloc(5); [L333] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L333] FCALL call write~init~int(108, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(100, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(10, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(0, { base: #t~string29!base, offset: 4 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [L332] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=112, #NULL!offset=109, #t~string29!base=111, #t~string29!offset=110, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L333] FCALL call #t~string29 := #Ultimate.alloc(5); [L333] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L333] FCALL call write~init~int(108, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(100, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(10, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(0, { base: #t~string29!base, offset: 4 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [L332] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [L332] 2147483647 + 1 ----- [2018-11-22 23:50:27,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:50:27 BoogieIcfgContainer [2018-11-22 23:50:27,964 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:50:27,964 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:50:27,964 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:50:27,965 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:50:27,965 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:50:27" (3/4) ... [2018-11-22 23:50:27,966 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder.RCFGBacktranslator [?] CALL call ULTIMATE.init(); VAL [|#NULL.base|=112, |#NULL.offset|=109, |#t~string29.base|=111, |#t~string29.offset|=110, |old(#NULL.base)|=112, |old(#NULL.offset)|=109, |old(#t~string29.base)|=111, |old(#t~string29.offset)|=110] [?] #NULL.base, #NULL.offset := 0, 0;#valid := #valid[0 := 0];call #t~string29.base, #t~string29.offset := #Ultimate.alloc(5);call write~init~int(37, #t~string29.base, #t~string29.offset, 1);call write~init~int(108, #t~string29.base, 1 + #t~string29.offset, 1);call write~init~int(100, #t~string29.base, 2 + #t~string29.offset, 1);call write~init~int(10, #t~string29.base, 3 + #t~string29.offset, 1);call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1); VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=113, |#t~string29.offset|=0, |old(#NULL.base)|=112, |old(#NULL.offset)|=109, |old(#t~string29.base)|=111, |old(#t~string29.offset)|=110] [?] assume true; VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=113, |#t~string29.offset|=0, |old(#NULL.base)|=112, |old(#NULL.offset)|=109, |old(#t~string29.base)|=111, |old(#t~string29.offset)|=110] [?] RET #9#return; VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=113, |#t~string29.offset|=0] [?] CALL call #t~ret30 := main(); VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=113, |#t~string29.offset|=0] [?] assume !false; VAL [|#NULL.base|=0, |#NULL.offset|=0, |#t~string29.base|=113, |#t~string29.offset|=0] [?] CALL call ULTIMATE.init(); VAL [#NULL.base=112, #NULL.offset=109, #t~string29.base=111, #t~string29.offset=110, old(#NULL.base)=112, old(#NULL.offset)=109, old(#t~string29.base)=111, old(#t~string29.offset)=110] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L333] call #t~string29.base, #t~string29.offset := #Ultimate.alloc(5); [L333] call write~init~int(37, #t~string29.base, #t~string29.offset, 1); [L333] call write~init~int(108, #t~string29.base, 1 + #t~string29.offset, 1); [L333] call write~init~int(100, #t~string29.base, 2 + #t~string29.offset, 1); [L333] call write~init~int(10, #t~string29.base, 3 + #t~string29.offset, 1); [L333] call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0, old(#NULL.base)=112, old(#NULL.offset)=109, old(#t~string29.base)=111, old(#t~string29.offset)=110] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0, old(#NULL.base)=112, old(#NULL.offset)=109, old(#t~string29.base)=111, old(#t~string29.offset)=110] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0] [L332] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.preprocessor.BoogiePreprocessorBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL.base=112, #NULL.offset=109, #t~string29.base=111, #t~string29.offset=110, old(#NULL.base)=112, old(#NULL.offset)=109, old(#t~string29.base)=111, old(#t~string29.offset)=110] [?] #NULL.base, #NULL.offset := 0, 0; [?] #valid := #valid[0 := 0]; [L333] call #t~string29.base, #t~string29.offset := #Ultimate.alloc(5); [L333] call write~init~int(37, #t~string29.base, #t~string29.offset, 1); [L333] call write~init~int(108, #t~string29.base, 1 + #t~string29.offset, 1); [L333] call write~init~int(100, #t~string29.base, 2 + #t~string29.offset, 1); [L333] call write~init~int(10, #t~string29.base, 3 + #t~string29.offset, 1); [L333] call write~init~int(0, #t~string29.base, 4 + #t~string29.offset, 1); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0, old(#NULL.base)=112, old(#NULL.offset)=109, old(#t~string29.base)=111, old(#t~string29.offset)=110] [?] ensures true; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0, old(#NULL.base)=112, old(#NULL.offset)=109, old(#t~string29.base)=111, old(#t~string29.offset)=110] [?] RET call ULTIMATE.init(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0] [L332] assert false; VAL [#NULL.base=0, #NULL.offset=0, #t~string29.base=113, #t~string29.offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=112, #NULL!offset=109, #t~string29!base=111, #t~string29!offset=110, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L333] FCALL call #t~string29 := #Ultimate.alloc(5); [L333] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L333] FCALL call write~init~int(108, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(100, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(10, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(0, { base: #t~string29!base, offset: 4 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [L332] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.boogie.procedureinliner.backtranslation.InlinerBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=112, #NULL!offset=109, #t~string29!base=111, #t~string29!offset=110, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L333] FCALL call #t~string29 := #Ultimate.alloc(5); [L333] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L333] FCALL call write~init~int(108, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(100, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(10, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(0, { base: #t~string29!base, offset: 4 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [L332] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [?] CALL call ULTIMATE.init(); VAL [#NULL!base=112, #NULL!offset=109, #t~string29!base=111, #t~string29!offset=110, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L333] FCALL call #t~string29 := #Ultimate.alloc(5); [L333] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L333] FCALL call write~init~int(108, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(100, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(10, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(0, { base: #t~string29!base, offset: 4 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [L332] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] ----- ----- class de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.CACSL2BoogieBacktranslator [?] CALL call ULTIMATE.init(); VAL [#NULL!base=112, #NULL!offset=109, #t~string29!base=111, #t~string29!offset=110, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] #NULL := { base: 0, offset: 0 }; [?] #valid[0] := 0; [L333] FCALL call #t~string29 := #Ultimate.alloc(5); [L333] FCALL call write~init~int(37, { base: #t~string29!base, offset: #t~string29!offset }, 1); [L333] FCALL call write~init~int(108, { base: #t~string29!base, offset: 1 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(100, { base: #t~string29!base, offset: 2 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(10, { base: #t~string29!base, offset: 3 + #t~string29!offset }, 1); [L333] FCALL call write~init~int(0, { base: #t~string29!base, offset: 4 + #t~string29!offset }, 1); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0, old(#NULL!base)=112, old(#NULL!offset)=109, old(#t~string29!base)=111, old(#t~string29!offset)=110] [?] RET call ULTIMATE.init(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [?] CALL call #t~ret30 := main(); VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [L332] assert false; VAL [#NULL!base=0, #NULL!offset=0, #t~string29!base=113, #t~string29!offset=0] [L332] 2147483647 + 1 ----- [2018-11-22 23:50:27,994 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_371f264a-48cb-4262-bac1-9098afde97a1/bin-2019/utaipan/witness.graphml [2018-11-22 23:50:27,994 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:50:27,995 INFO L168 Benchmark]: Toolchain (without parser) took 679.43 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 959.1 MB in the beginning and 1.1 GB in the end (delta: -139.0 MB). Peak memory consumption was 14.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:50:27,996 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:50:27,996 INFO L168 Benchmark]: CACSL2BoogieTranslator took 291.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:50:27,997 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.46 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. [2018-11-22 23:50:27,997 INFO L168 Benchmark]: Boogie Preprocessor took 11.46 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-22 23:50:27,997 INFO L168 Benchmark]: RCFGBuilder took 149.91 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: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:50:27,998 INFO L168 Benchmark]: TraceAbstraction took 176.24 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. [2018-11-22 23:50:27,998 INFO L168 Benchmark]: Witness Printer took 30.11 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. [2018-11-22 23:50:28,001 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 291.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 153.1 MB). Free memory was 956.4 MB in the beginning and 1.1 GB in the end (delta: -184.1 MB). Peak memory consumption was 25.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.46 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. * Boogie Preprocessor took 11.46 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 149.91 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: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 176.24 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: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 11.5 GB. * Witness Printer took 30.11 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: 332]: integer overflow possible integer overflow possible We found a FailurePath: [L332] 2147483647 + 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 11 locations, 1 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=11occurred 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, 6 NumberOfCodeBlocks, 6 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...