./Ultimate.py --spec ../../sv-benchmarks/c/NoOverflows.prp --file ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1_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_728bb922-5670-4c2f-a183-44195013d684/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_728bb922-5670-4c2f-a183-44195013d684/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_728bb922-5670-4c2f-a183-44195013d684/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_728bb922-5670-4c2f-a183-44195013d684/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1_false-no-overflow.c -s /tmp/vcloud-vcloud-master/worker/working_dir_728bb922-5670-4c2f-a183-44195013d684/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_728bb922-5670-4c2f-a183-44195013d684/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 263033368f66896d5c79f69cd87eb218f4523caf ........................................................................................................................................................................................................................................................................................................................................................... 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 [2018-10-27 05:50:04,818 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 05:50:04,820 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 05:50:04,834 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 05:50:04,835 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 05:50:04,836 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 05:50:04,839 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 05:50:04,841 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 05:50:04,844 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 05:50:04,846 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 05:50:04,848 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 05:50:04,849 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 05:50:04,850 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 05:50:04,851 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 05:50:04,852 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 05:50:04,852 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 05:50:04,853 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 05:50:04,859 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 05:50:04,860 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 05:50:04,869 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 05:50:04,870 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 05:50:04,871 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 05:50:04,873 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 05:50:04,873 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 05:50:04,876 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 05:50:04,877 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 05:50:04,878 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 05:50:04,879 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 05:50:04,880 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 05:50:04,880 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 05:50:04,881 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 05:50:04,881 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 05:50:04,881 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 05:50:04,884 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 05:50:04,885 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 05:50:04,886 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 05:50:04,886 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_728bb922-5670-4c2f-a183-44195013d684/bin-2019/utaipan/config/svcomp-Overflow-64bit-Taipan_Default.epf [2018-10-27 05:50:04,904 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 05:50:04,908 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 05:50:04,909 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 05:50:04,909 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 05:50:04,910 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 05:50:04,910 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 05:50:04,910 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 05:50:04,911 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 05:50:04,911 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 05:50:04,911 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 05:50:04,912 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 05:50:04,913 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 05:50:04,914 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-10-27 05:50:04,915 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 05:50:04,915 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 05:50:04,915 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 05:50:04,915 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 05:50:04,916 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 05:50:04,916 INFO L133 SettingsManager]: * Check absence of signed integer overflows=true [2018-10-27 05:50:04,916 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 05:50:04,916 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 05:50:04,916 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 05:50:04,917 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 05:50:04,917 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 05:50:04,917 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 05:50:04,917 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 05:50:04,917 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 05:50:04,917 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 05:50:04,918 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 05:50:04,918 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 05:50:04,918 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 05:50:04,918 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 05:50:04,918 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 05:50:04,918 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_728bb922-5670-4c2f-a183-44195013d684/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 -> 263033368f66896d5c79f69cd87eb218f4523caf [2018-10-27 05:50:04,962 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 05:50:04,973 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 05:50:04,977 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 05:50:04,978 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 05:50:04,979 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 05:50:04,980 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_728bb922-5670-4c2f-a183-44195013d684/bin-2019/utaipan/../../sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1_false-no-overflow.c [2018-10-27 05:50:05,036 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_728bb922-5670-4c2f-a183-44195013d684/bin-2019/utaipan/data/0547b1103/5ce7f3d78a564409be58256833eb7972/FLAG24f5bb327 [2018-10-27 05:50:05,459 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 05:50:05,459 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_728bb922-5670-4c2f-a183-44195013d684/sv-benchmarks/c/termination-crafted-lit/ColonSipma-TACAS2001-Fig1_false-no-overflow.c [2018-10-27 05:50:05,470 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_728bb922-5670-4c2f-a183-44195013d684/bin-2019/utaipan/data/0547b1103/5ce7f3d78a564409be58256833eb7972/FLAG24f5bb327 [2018-10-27 05:50:05,490 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_728bb922-5670-4c2f-a183-44195013d684/bin-2019/utaipan/data/0547b1103/5ce7f3d78a564409be58256833eb7972 [2018-10-27 05:50:05,494 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 05:50:05,497 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 05:50:05,498 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 05:50:05,500 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 05:50:05,504 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 05:50:05,505 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:50:05" (1/1) ... [2018-10-27 05:50:05,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@e4f184d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:05, skipping insertion in model container [2018-10-27 05:50:05,510 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 05:50:05" (1/1) ... [2018-10-27 05:50:05,521 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 05:50:05,541 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 05:50:05,728 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:50:05,731 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 05:50:05,748 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 05:50:05,763 INFO L193 MainTranslator]: Completed translation [2018-10-27 05:50:05,763 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:05 WrapperNode [2018-10-27 05:50:05,763 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 05:50:05,764 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 05:50:05,764 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 05:50:05,765 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 05:50:05,775 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:05" (1/1) ... [2018-10-27 05:50:05,781 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:05" (1/1) ... [2018-10-27 05:50:05,788 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 05:50:05,788 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 05:50:05,789 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 05:50:05,789 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 05:50:05,799 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:05" (1/1) ... [2018-10-27 05:50:05,799 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:05" (1/1) ... [2018-10-27 05:50:05,799 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:05" (1/1) ... [2018-10-27 05:50:05,800 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:05" (1/1) ... [2018-10-27 05:50:05,803 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:05" (1/1) ... [2018-10-27 05:50:05,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:05" (1/1) ... [2018-10-27 05:50:05,809 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:05" (1/1) ... [2018-10-27 05:50:05,811 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 05:50:05,811 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 05:50:05,811 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 05:50:05,811 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 05:50:05,813 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:05" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_728bb922-5670-4c2f-a183-44195013d684/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 [2018-10-27 05:50:05,988 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 05:50:05,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 05:50:05,989 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 05:50:05,989 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 05:50:05,990 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 05:50:05,990 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 05:50:06,248 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 05:50:06,249 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:50:06 BoogieIcfgContainer [2018-10-27 05:50:06,249 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 05:50:06,254 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 05:50:06,254 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 05:50:06,264 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 05:50:06,264 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 05:50:05" (1/3) ... [2018-10-27 05:50:06,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12016f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:50:06, skipping insertion in model container [2018-10-27 05:50:06,265 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 05:50:05" (2/3) ... [2018-10-27 05:50:06,265 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12016f3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 05:50:06, skipping insertion in model container [2018-10-27 05:50:06,267 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:50:06" (3/3) ... [2018-10-27 05:50:06,268 INFO L112 eAbstractionObserver]: Analyzing ICFG ColonSipma-TACAS2001-Fig1_false-no-overflow.c [2018-10-27 05:50:06,290 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 05:50:06,296 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 4 error locations. [2018-10-27 05:50:06,327 INFO L257 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2018-10-27 05:50:06,362 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 05:50:06,362 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 05:50:06,362 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 05:50:06,362 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 05:50:06,362 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 05:50:06,363 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 05:50:06,363 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 05:50:06,363 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 05:50:06,382 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states. [2018-10-27 05:50:06,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-27 05:50:06,388 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:06,389 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:06,392 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:06,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:06,397 INFO L82 PathProgramCache]: Analyzing trace with hash 604672971, now seen corresponding path program 1 times [2018-10-27 05:50:06,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:06,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:06,449 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:06,449 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:06,449 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:06,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:06,554 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:06,556 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:06,556 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 05:50:06,556 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:06,560 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 05:50:06,571 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 05:50:06,571 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:50:06,574 INFO L87 Difference]: Start difference. First operand 20 states. Second operand 3 states. [2018-10-27 05:50:06,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:06,614 INFO L93 Difference]: Finished difference Result 30 states and 32 transitions. [2018-10-27 05:50:06,615 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 05:50:06,617 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-10-27 05:50:06,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:06,627 INFO L225 Difference]: With dead ends: 30 [2018-10-27 05:50:06,627 INFO L226 Difference]: Without dead ends: 16 [2018-10-27 05:50:06,630 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:50:06,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16 states. [2018-10-27 05:50:06,664 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16 to 14. [2018-10-27 05:50:06,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14 states. [2018-10-27 05:50:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14 states to 14 states and 14 transitions. [2018-10-27 05:50:06,668 INFO L78 Accepts]: Start accepts. Automaton has 14 states and 14 transitions. Word has length 8 [2018-10-27 05:50:06,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:06,668 INFO L481 AbstractCegarLoop]: Abstraction has 14 states and 14 transitions. [2018-10-27 05:50:06,668 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 05:50:06,668 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 14 transitions. [2018-10-27 05:50:06,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-27 05:50:06,669 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:06,669 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:06,670 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:06,670 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:06,670 INFO L82 PathProgramCache]: Analyzing trace with hash 1564992965, now seen corresponding path program 1 times [2018-10-27 05:50:06,670 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:06,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:06,672 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:06,672 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:06,672 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:06,795 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:06,795 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-10-27 05:50:06,795 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:06,796 INFO L460 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-10-27 05:50:06,796 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-10-27 05:50:06,796 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 05:50:06,797 INFO L87 Difference]: Start difference. First operand 14 states and 14 transitions. Second operand 4 states. [2018-10-27 05:50:06,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:06,863 INFO L93 Difference]: Finished difference Result 25 states and 25 transitions. [2018-10-27 05:50:06,863 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-10-27 05:50:06,863 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-10-27 05:50:06,864 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:06,864 INFO L225 Difference]: With dead ends: 25 [2018-10-27 05:50:06,864 INFO L226 Difference]: Without dead ends: 24 [2018-10-27 05:50:06,865 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-10-27 05:50:06,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-10-27 05:50:06,868 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 18. [2018-10-27 05:50:06,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18 states. [2018-10-27 05:50:06,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18 states to 18 states and 18 transitions. [2018-10-27 05:50:06,869 INFO L78 Accepts]: Start accepts. Automaton has 18 states and 18 transitions. Word has length 9 [2018-10-27 05:50:06,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:06,870 INFO L481 AbstractCegarLoop]: Abstraction has 18 states and 18 transitions. [2018-10-27 05:50:06,870 INFO L482 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-10-27 05:50:06,870 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 18 transitions. [2018-10-27 05:50:06,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-27 05:50:06,870 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:06,870 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:06,871 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:06,871 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:06,871 INFO L82 PathProgramCache]: Analyzing trace with hash 1270141709, now seen corresponding path program 1 times [2018-10-27 05:50:06,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:06,872 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:06,873 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:06,873 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:06,873 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:06,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 05:50:06,924 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 05:50:06,924 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 05:50:06,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-10-27 05:50:06,925 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 05:50:06,925 INFO L460 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-10-27 05:50:06,925 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-10-27 05:50:06,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:50:06,926 INFO L87 Difference]: Start difference. First operand 18 states and 18 transitions. Second operand 3 states. [2018-10-27 05:50:06,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 05:50:06,946 INFO L93 Difference]: Finished difference Result 18 states and 18 transitions. [2018-10-27 05:50:06,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-10-27 05:50:06,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 10 [2018-10-27 05:50:06,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 05:50:06,949 INFO L225 Difference]: With dead ends: 18 [2018-10-27 05:50:06,949 INFO L226 Difference]: Without dead ends: 17 [2018-10-27 05:50:06,950 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-10-27 05:50:06,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17 states. [2018-10-27 05:50:06,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17 to 17. [2018-10-27 05:50:06,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17 states. [2018-10-27 05:50:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 17 states and 17 transitions. [2018-10-27 05:50:06,953 INFO L78 Accepts]: Start accepts. Automaton has 17 states and 17 transitions. Word has length 10 [2018-10-27 05:50:06,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 05:50:06,953 INFO L481 AbstractCegarLoop]: Abstraction has 17 states and 17 transitions. [2018-10-27 05:50:06,955 INFO L482 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-10-27 05:50:06,955 INFO L276 IsEmpty]: Start isEmpty. Operand 17 states and 17 transitions. [2018-10-27 05:50:06,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-27 05:50:06,956 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 05:50:06,956 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 05:50:06,956 INFO L424 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, mainErr3ASSERT_VIOLATIONINTEGER_OVERFLOW]=== [2018-10-27 05:50:06,956 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 05:50:06,957 INFO L82 PathProgramCache]: Analyzing trace with hash 719687367, now seen corresponding path program 1 times [2018-10-27 05:50:06,957 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 05:50:06,958 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:06,958 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 05:50:06,959 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 05:50:06,959 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 05:50:06,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:50:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 05:50:07,018 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 05:50:07,039 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 05:50:07 BoogieIcfgContainer [2018-10-27 05:50:07,039 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 05:50:07,040 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 05:50:07,040 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 05:50:07,040 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 05:50:07,040 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 05:50:06" (3/4) ... [2018-10-27 05:50:07,043 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 05:50:07,080 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_728bb922-5670-4c2f-a183-44195013d684/bin-2019/utaipan/witness.graphml [2018-10-27 05:50:07,080 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 05:50:07,081 INFO L168 Benchmark]: Toolchain (without parser) took 1585.48 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 954.4 MB in the beginning and 1.1 GB in the end (delta: -169.4 MB). Peak memory consumption was 6.2 MB. Max. memory is 11.5 GB. [2018-10-27 05:50:07,083 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:50:07,083 INFO L168 Benchmark]: CACSL2BoogieTranslator took 266.23 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. [2018-10-27 05:50:07,084 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.01 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:50:07,084 INFO L168 Benchmark]: Boogie Preprocessor took 22.30 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 05:50:07,084 INFO L168 Benchmark]: RCFGBuilder took 437.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 940.9 MB in the beginning and 1.2 GB in the end (delta: -222.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. [2018-10-27 05:50:07,085 INFO L168 Benchmark]: TraceAbstraction took 785.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. [2018-10-27 05:50:07,086 INFO L168 Benchmark]: Witness Printer took 40.83 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. [2018-10-27 05:50:07,089 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 266.23 ms. Allocated memory is still 1.0 GB. Free memory was 954.4 MB in the beginning and 943.6 MB in the end (delta: 10.9 MB). Peak memory consumption was 10.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.01 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 22.30 ms. Allocated memory is still 1.0 GB. Free memory is still 943.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 437.80 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 940.9 MB in the beginning and 1.2 GB in the end (delta: -222.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 785.54 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 35.6 MB). Peak memory consumption was 35.6 MB. Max. memory is 11.5 GB. * Witness Printer took 40.83 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: 23]: integer overflow possible integer overflow possible We found a FailurePath: [L15] int k, i, j, tmp; [L16] k = __VERIFIER_nondet_int() [L17] i = __VERIFIER_nondet_int() [L18] j = __VERIFIER_nondet_int() [L19] COND TRUE i <= 100 && j <= k [L20] tmp = i [L21] i = j VAL [i=-2147483648, j=-2147483648, k=-2147483648, tmp=0] [L22] EXPR tmp + 1 [L22] j = tmp + 1 VAL [i=-2147483648, j=1, k=-2147483648, tmp=0] [L23] k - 1 VAL [i=-2147483648, j=1, k=-2147483648, tmp=0] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 20 locations, 4 error locations. UNSAFE Result, 0.6s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 44 SDtfs, 20 SDslu, 34 SDs, 0 SdLazy, 20 SolverSat, 1 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=20occurred 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: 0.0s AutomataMinimizationTime, 3 MinimizatonAttempts, 8 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 38 NumberOfCodeBlocks, 38 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 24 ConstructedInterpolants, 0 QuantifiedInterpolants, 426 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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...