./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/test06_false-unreach-call_true-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d195e79c-ade5-40e9-b3e0-b3a3179ef440/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d195e79c-ade5-40e9-b3e0-b3a3179ef440/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d195e79c-ade5-40e9-b3e0-b3a3179ef440/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d195e79c-ade5-40e9-b3e0-b3a3179ef440/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/test06_false-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d195e79c-ade5-40e9-b3e0-b3a3179ef440/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d195e79c-ade5-40e9-b3e0-b3a3179ef440/bin-2019/utaipan --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash eae8c8207b0324f06a17c285b94ce79cd751d6f9 ..................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:32:43,865 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:32:43,867 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:32:43,876 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:32:43,876 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:32:43,877 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:32:43,878 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:32:43,879 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:32:43,880 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:32:43,881 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:32:43,882 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:32:43,882 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:32:43,883 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:32:43,884 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:32:43,884 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:32:43,886 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:32:43,886 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:32:43,888 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:32:43,889 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:32:43,890 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:32:43,891 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:32:43,892 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:32:43,894 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:32:43,895 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:32:43,895 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:32:43,896 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:32:43,896 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:32:43,898 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:32:43,898 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:32:43,899 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:32:43,899 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:32:43,900 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:32:43,900 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:32:43,900 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:32:43,902 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:32:43,902 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:32:43,903 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d195e79c-ade5-40e9-b3e0-b3a3179ef440/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-27 00:32:43,914 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:32:43,915 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:32:43,915 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:32:43,916 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-27 00:32:43,916 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-27 00:32:43,916 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-27 00:32:43,916 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-27 00:32:43,916 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-27 00:32:43,917 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-27 00:32:43,918 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-27 00:32:43,918 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-27 00:32:43,918 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:32:43,919 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:32:43,919 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:32:43,919 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:32:43,919 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:32:43,919 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:32:43,919 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:32:43,920 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:32:43,920 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:32:43,920 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:32:43,920 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:32:43,920 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:32:43,920 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-27 00:32:43,920 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:32:43,921 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-27 00:32:43,922 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-27 00:32:43,922 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:32:43,923 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:32:43,923 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:32:43,923 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-27 00:32:43,923 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:32:43,923 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:32:43,923 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-27 00:32:43,923 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_d195e79c-ade5-40e9-b3e0-b3a3179ef440/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 ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> eae8c8207b0324f06a17c285b94ce79cd751d6f9 [2018-10-27 00:32:43,950 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:32:43,960 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:32:43,962 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:32:43,963 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:32:43,963 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:32:43,964 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d195e79c-ade5-40e9-b3e0-b3a3179ef440/bin-2019/utaipan/../../sv-benchmarks/c/ldv-regression/test06_false-unreach-call_true-termination.c [2018-10-27 00:32:44,011 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d195e79c-ade5-40e9-b3e0-b3a3179ef440/bin-2019/utaipan/data/6feb8289d/cbdc3d57984d4b8395cd79184079e949/FLAG6a1c95f23 [2018-10-27 00:32:44,373 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:32:44,373 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d195e79c-ade5-40e9-b3e0-b3a3179ef440/sv-benchmarks/c/ldv-regression/test06_false-unreach-call_true-termination.c [2018-10-27 00:32:44,378 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d195e79c-ade5-40e9-b3e0-b3a3179ef440/bin-2019/utaipan/data/6feb8289d/cbdc3d57984d4b8395cd79184079e949/FLAG6a1c95f23 [2018-10-27 00:32:44,395 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d195e79c-ade5-40e9-b3e0-b3a3179ef440/bin-2019/utaipan/data/6feb8289d/cbdc3d57984d4b8395cd79184079e949 [2018-10-27 00:32:44,400 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:32:44,401 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:32:44,402 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:32:44,402 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:32:44,411 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:32:44,412 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:32:44" (1/1) ... [2018-10-27 00:32:44,414 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3a63995c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:44, skipping insertion in model container [2018-10-27 00:32:44,414 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:32:44" (1/1) ... [2018-10-27 00:32:44,428 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:32:44,449 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:32:44,575 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:32:44,584 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:32:44,598 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:32:44,611 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:32:44,611 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:44 WrapperNode [2018-10-27 00:32:44,611 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:32:44,612 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:32:44,612 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:32:44,612 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:32:44,620 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:44" (1/1) ... [2018-10-27 00:32:44,626 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:44" (1/1) ... [2018-10-27 00:32:44,645 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:32:44,645 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:32:44,645 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:32:44,645 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:32:44,653 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:44" (1/1) ... [2018-10-27 00:32:44,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:44" (1/1) ... [2018-10-27 00:32:44,657 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:44" (1/1) ... [2018-10-27 00:32:44,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:44" (1/1) ... [2018-10-27 00:32:44,662 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:44" (1/1) ... [2018-10-27 00:32:44,664 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:44" (1/1) ... [2018-10-27 00:32:44,666 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:44" (1/1) ... [2018-10-27 00:32:44,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:32:44,669 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:32:44,669 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:32:44,669 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:32:44,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d195e79c-ade5-40e9-b3e0-b3a3179ef440/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 00:32:44,795 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-10-27 00:32:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-10-27 00:32:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-10-27 00:32:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-10-27 00:32:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-27 00:32:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-27 00:32:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-27 00:32:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-27 00:32:44,796 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:32:44,796 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:32:45,244 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:32:45,244 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:32:45 BoogieIcfgContainer [2018-10-27 00:32:45,244 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:32:45,245 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-27 00:32:45,246 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-27 00:32:45,248 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-27 00:32:45,249 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 27.10 12:32:44" (1/3) ... [2018-10-27 00:32:45,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606f10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:32:45, skipping insertion in model container [2018-10-27 00:32:45,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:32:44" (2/3) ... [2018-10-27 00:32:45,250 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@606f10d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 27.10 12:32:45, skipping insertion in model container [2018-10-27 00:32:45,250 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:32:45" (3/3) ... [2018-10-27 00:32:45,252 INFO L112 eAbstractionObserver]: Analyzing ICFG test06_false-unreach-call_true-termination.c [2018-10-27 00:32:45,262 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-27 00:32:45,269 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-27 00:32:45,283 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-27 00:32:45,310 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-27 00:32:45,310 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-27 00:32:45,310 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-27 00:32:45,311 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-27 00:32:45,311 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-27 00:32:45,311 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-27 00:32:45,311 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-27 00:32:45,311 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-27 00:32:45,325 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-10-27 00:32:45,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-27 00:32:45,330 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:32:45,331 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:32:45,333 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:32:45,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:32:45,338 INFO L82 PathProgramCache]: Analyzing trace with hash -1199829752, now seen corresponding path program 1 times [2018-10-27 00:32:45,340 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:32:45,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:45,376 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:32:45,376 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:45,376 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:32:45,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:32:45,586 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 00:32:45,588 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-27 00:32:45,588 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-27 00:32:45,588 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-27 00:32:45,596 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-27 00:32:45,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-27 00:32:45,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-27 00:32:45,608 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2018-10-27 00:32:45,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-27 00:32:45,769 INFO L93 Difference]: Finished difference Result 34 states and 35 transitions. [2018-10-27 00:32:45,769 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-27 00:32:45,771 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-10-27 00:32:45,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-27 00:32:45,778 INFO L225 Difference]: With dead ends: 34 [2018-10-27 00:32:45,778 INFO L226 Difference]: Without dead ends: 20 [2018-10-27 00:32:45,781 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-27 00:32:45,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20 states. [2018-10-27 00:32:45,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20 to 20. [2018-10-27 00:32:45,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 20 states. [2018-10-27 00:32:45,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 20 states to 20 states and 19 transitions. [2018-10-27 00:32:45,808 INFO L78 Accepts]: Start accepts. Automaton has 20 states and 19 transitions. Word has length 14 [2018-10-27 00:32:45,808 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-27 00:32:45,808 INFO L481 AbstractCegarLoop]: Abstraction has 20 states and 19 transitions. [2018-10-27 00:32:45,808 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-27 00:32:45,809 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 19 transitions. [2018-10-27 00:32:45,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-27 00:32:45,809 INFO L367 BasicCegarLoop]: Found error trace [2018-10-27 00:32:45,809 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-27 00:32:45,810 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-27 00:32:45,810 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:32:45,810 INFO L82 PathProgramCache]: Analyzing trace with hash -2114164890, now seen corresponding path program 1 times [2018-10-27 00:32:45,810 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-27 00:32:45,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:45,811 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-27 00:32:45,811 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-27 00:32:45,811 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-27 00:32:45,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:32:45,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-10-27 00:32:45,905 INFO L442 BasicCegarLoop]: Counterexample might be feasible [2018-10-27 00:32:45,921 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,922 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,924 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,924 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,925 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,925 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,926 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,926 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,926 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,926 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,942 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 27.10 12:32:45 BoogieIcfgContainer [2018-10-27 00:32:45,942 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-27 00:32:45,943 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:32:45,943 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:32:45,944 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:32:45,944 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:32:45" (3/4) ... [2018-10-27 00:32:45,946 INFO L138 WitnessPrinter]: Generating witness for reachability counterexample [2018-10-27 00:32:45,948 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,948 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,949 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,950 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,953 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,953 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:45,953 WARN L387 cessorBacktranslator]: Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled [2018-10-27 00:32:46,002 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d195e79c-ade5-40e9-b3e0-b3a3179ef440/bin-2019/utaipan/witness.graphml [2018-10-27 00:32:46,002 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:32:46,003 INFO L168 Benchmark]: Toolchain (without parser) took 1602.87 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 955.8 MB in the beginning and 1.1 GB in the end (delta: -111.9 MB). Peak memory consumption was 28.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:32:46,004 INFO L168 Benchmark]: CDTParser took 0.15 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 00:32:46,004 INFO L168 Benchmark]: CACSL2BoogieTranslator took 209.68 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:32:46,008 INFO L168 Benchmark]: Boogie Procedure Inliner took 32.94 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 942.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:32:46,008 INFO L168 Benchmark]: Boogie Preprocessor took 23.00 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:32:46,009 INFO L168 Benchmark]: RCFGBuilder took 575.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:32:46,009 INFO L168 Benchmark]: TraceAbstraction took 696.72 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: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-10-27 00:32:46,010 INFO L168 Benchmark]: Witness Printer took 58.89 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-27 00:32:46,017 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 209.68 ms. Allocated memory is still 1.0 GB. Free memory was 955.8 MB in the beginning and 945.0 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 32.94 ms. Allocated memory is still 1.0 GB. Free memory was 945.0 MB in the beginning and 942.4 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 23.00 ms. Allocated memory is still 1.0 GB. Free memory is still 942.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 575.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.0 MB). Free memory was 942.4 MB in the beginning and 1.1 GB in the end (delta: -171.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 696.72 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: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Witness Printer took 58.89 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: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Nested struct field access of VarList #Ultimate.alloc_#res : $Pointer$ not handled * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 40]: a call of __VERIFIER_error() is reachable a call of __VERIFIER_error() is reachable We found a FailurePath: [L21] CALL int a, b; [L21] RET int a, b; [L21] RET int a, b; [L22] CALL int *p1, *p2; [L22] RET int *p1, *p2; [L22] RET int *p1, *p2; [L24] CALL p1 = &a [L24] RET p1 = &a [L25] CALL p2 = &b [L25] RET p2 = &b [L27] CALL b = 1 [L27] RET b = 1 [L28] CALL a = 5 [L28] RET a = 5 [L30] CALL, EXPR \read(a) [L30] RET, EXPR \read(a) [L30] a-- [L30] RET a-- [L32] CALL, EXPR \read(a) [L32] RET, EXPR \read(a) [L32] CALL, EXPR f(a, &p1, &p2) VAL [\old(a)=4, p1={17:0}, p2={15:0}] [L12] COND TRUE a == 4 VAL [\old(a)=4, a=4, p1={17:0}, p1={17:0}, p2={15:0}, p2={15:0}] [L13] CALL g(p1, p2) [L5] CALL, EXPR \read(**p2) [L5] RET, EXPR \read(**p2) [L5] int *pq = *p2; [L7] CALL, EXPR \read(**p2) [L7] RET, EXPR \read(**p2) [L7] CALL *p1 = *p2 [L7] RET *p1 = *p2 [L8] CALL *pq = 0 [L8] RET *pq = 0 [L13] g(p1, p2) VAL [\old(a)=4, a=4, p1={17:0}, p1={17:0}, p2={15:0}, p2={15:0}] [L14] RET return 1; VAL [\old(a)=4, \result=1, a=4, p1={17:0}, p1={17:0}, p2={15:0}, p2={15:0}] [L32] EXPR f(a, &p1, &p2) [L32] CALL a = f(a, &p1, &p2) [L32] RET a = f(a, &p1, &p2) [L34] CALL, EXPR \read(*p1) [L34] RET, EXPR \read(*p1) [L34] RET, EXPR \read(*p1) [L34] COND TRUE *p1 == 0 [L40] __VERIFIER_error() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 24 locations, 1 error locations. UNSAFE Result, 0.6s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 21 SDtfs, 5 SDslu, 53 SDs, 0 SdLazy, 13 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=24occurred 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, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 33 NumberOfCodeBlocks, 33 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 13 ConstructedInterpolants, 0 QuantifiedInterpolants, 299 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 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...