./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ldv-regression/test05_true-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_d31173b9-de52-45ff-8566-cf9c1352e3da/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d31173b9-de52-45ff-8566-cf9c1352e3da/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d31173b9-de52-45ff-8566-cf9c1352e3da/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d31173b9-de52-45ff-8566-cf9c1352e3da/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-regression/test05_true-unreach-call_true-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d31173b9-de52-45ff-8566-cf9c1352e3da/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d31173b9-de52-45ff-8566-cf9c1352e3da/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 d041348802bf4718d6612df649aecee20760a6ff ........................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:22:34,222 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:22:34,224 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:22:34,235 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:22:34,236 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:22:34,237 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:22:34,238 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:22:34,239 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:22:34,241 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:22:34,242 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:22:34,243 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:22:34,243 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:22:34,245 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:22:34,246 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:22:34,246 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:22:34,247 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:22:34,248 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:22:34,250 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:22:34,252 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:22:34,253 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:22:34,255 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:22:34,256 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:22:34,258 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:22:34,258 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:22:34,258 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:22:34,259 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:22:34,261 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:22:34,262 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:22:34,262 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:22:34,263 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:22:34,264 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:22:34,265 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:22:34,265 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:22:34,265 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:22:34,266 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:22:34,267 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:22:34,267 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d31173b9-de52-45ff-8566-cf9c1352e3da/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-10-26 19:22:34,280 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:22:34,280 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:22:34,281 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:22:34,281 INFO L133 SettingsManager]: * User list type=DISABLED [2018-10-26 19:22:34,281 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-10-26 19:22:34,282 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-10-26 19:22:34,282 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-10-26 19:22:34,282 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-10-26 19:22:34,282 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-10-26 19:22:34,282 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-10-26 19:22:34,282 INFO L133 SettingsManager]: * Interval Domain=false [2018-10-26 19:22:34,283 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:22:34,283 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:22:34,283 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:22:34,285 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:22:34,285 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:22:34,285 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:22:34,286 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:22:34,286 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:22:34,286 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:22:34,286 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:22:34,286 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:22:34,287 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:22:34,287 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-10-26 19:22:34,287 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:22:34,287 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-10-26 19:22:34,287 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-10-26 19:22:34,287 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:22:34,288 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:22:34,288 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:22:34,288 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-10-26 19:22:34,288 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:22:34,288 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:22:34,288 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-10-26 19:22:34,289 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_d31173b9-de52-45ff-8566-cf9c1352e3da/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 -> d041348802bf4718d6612df649aecee20760a6ff [2018-10-26 19:22:34,322 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:22:34,334 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:22:34,337 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:22:34,339 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:22:34,339 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:22:34,340 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d31173b9-de52-45ff-8566-cf9c1352e3da/bin-2019/utaipan/../../sv-benchmarks/c/ldv-regression/test05_true-unreach-call_true-termination.c [2018-10-26 19:22:34,399 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d31173b9-de52-45ff-8566-cf9c1352e3da/bin-2019/utaipan/data/5c5d9c46c/b29c35bb28f34633a5f35683d3f832a3/FLAG4a602e430 [2018-10-26 19:22:34,801 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:22:34,802 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d31173b9-de52-45ff-8566-cf9c1352e3da/sv-benchmarks/c/ldv-regression/test05_true-unreach-call_true-termination.c [2018-10-26 19:22:34,808 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d31173b9-de52-45ff-8566-cf9c1352e3da/bin-2019/utaipan/data/5c5d9c46c/b29c35bb28f34633a5f35683d3f832a3/FLAG4a602e430 [2018-10-26 19:22:34,820 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d31173b9-de52-45ff-8566-cf9c1352e3da/bin-2019/utaipan/data/5c5d9c46c/b29c35bb28f34633a5f35683d3f832a3 [2018-10-26 19:22:34,823 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:22:34,825 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:22:34,826 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:22:34,826 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:22:34,830 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:22:34,831 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:22:34" (1/1) ... [2018-10-26 19:22:34,834 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@204f23ea and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:22:34, skipping insertion in model container [2018-10-26 19:22:34,835 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:22:34" (1/1) ... [2018-10-26 19:22:34,844 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:22:34,862 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:22:34,999 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:22:35,009 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:22:35,024 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:22:35,039 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:22:35,040 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:22:35 WrapperNode [2018-10-26 19:22:35,040 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:22:35,041 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:22:35,041 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:22:35,041 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:22:35,051 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:22:35" (1/1) ... [2018-10-26 19:22:35,059 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:22:35" (1/1) ... [2018-10-26 19:22:35,089 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:22:35,090 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:22:35,090 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:22:35,090 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:22:35,097 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:22:35" (1/1) ... [2018-10-26 19:22:35,097 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:22:35" (1/1) ... [2018-10-26 19:22:35,101 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:22:35" (1/1) ... [2018-10-26 19:22:35,101 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:22:35" (1/1) ... [2018-10-26 19:22:35,112 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:22:35" (1/1) ... [2018-10-26 19:22:35,116 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:22:35" (1/1) ... [2018-10-26 19:22:35,119 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:22:35" (1/1) ... [2018-10-26 19:22:35,122 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:22:35,123 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:22:35,123 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:22:35,123 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:22:35,124 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:22:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d31173b9-de52-45ff-8566-cf9c1352e3da/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 [2018-10-26 19:22:35,268 INFO L130 BoogieDeclarations]: Found specification of procedure f [2018-10-26 19:22:35,269 INFO L138 BoogieDeclarations]: Found implementation of procedure f [2018-10-26 19:22:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure g [2018-10-26 19:22:35,270 INFO L138 BoogieDeclarations]: Found implementation of procedure g [2018-10-26 19:22:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-10-26 19:22:35,270 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-10-26 19:22:35,270 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-10-26 19:22:35,270 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-10-26 19:22:35,271 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:22:35,271 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:22:35,761 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:22:35,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:22:35 BoogieIcfgContainer [2018-10-26 19:22:35,762 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:22:35,763 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-10-26 19:22:35,763 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-10-26 19:22:35,766 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-10-26 19:22:35,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 26.10 07:22:34" (1/3) ... [2018-10-26 19:22:35,767 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d3eb60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:22:35, skipping insertion in model container [2018-10-26 19:22:35,767 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:22:35" (2/3) ... [2018-10-26 19:22:35,768 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14d3eb60 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 26.10 07:22:35, skipping insertion in model container [2018-10-26 19:22:35,768 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:22:35" (3/3) ... [2018-10-26 19:22:35,769 INFO L112 eAbstractionObserver]: Analyzing ICFG test05_true-unreach-call_true-termination.c [2018-10-26 19:22:35,776 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-10-26 19:22:35,783 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-10-26 19:22:35,800 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-10-26 19:22:35,831 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-10-26 19:22:35,831 INFO L383 AbstractCegarLoop]: Hoare is true [2018-10-26 19:22:35,832 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-10-26 19:22:35,832 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-10-26 19:22:35,832 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-10-26 19:22:35,832 INFO L387 AbstractCegarLoop]: Difference is false [2018-10-26 19:22:35,832 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-10-26 19:22:35,832 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-10-26 19:22:35,855 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states. [2018-10-26 19:22:35,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 19:22:35,862 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:22:35,863 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:22:35,866 INFO L424 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:22:35,879 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:22:35,880 INFO L82 PathProgramCache]: Analyzing trace with hash -685779266, now seen corresponding path program 1 times [2018-10-26 19:22:35,882 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:22:35,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:22:35,924 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:22:35,924 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:22:35,924 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:22:35,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:22:36,289 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:22:36,291 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:22:36,291 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 19:22:36,291 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:22:36,297 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:22:36,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:22:36,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:22:36,314 INFO L87 Difference]: Start difference. First operand 25 states. Second operand 5 states. [2018-10-26 19:22:36,461 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:22:36,461 INFO L93 Difference]: Finished difference Result 36 states and 39 transitions. [2018-10-26 19:22:36,462 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 19:22:36,463 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2018-10-26 19:22:36,463 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:22:36,470 INFO L225 Difference]: With dead ends: 36 [2018-10-26 19:22:36,471 INFO L226 Difference]: Without dead ends: 21 [2018-10-26 19:22:36,473 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-10-26 19:22:36,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-10-26 19:22:36,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-10-26 19:22:36,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-10-26 19:22:36,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 21 transitions. [2018-10-26 19:22:36,501 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 21 transitions. Word has length 14 [2018-10-26 19:22:36,501 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:22:36,502 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 21 transitions. [2018-10-26 19:22:36,502 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:22:36,502 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 21 transitions. [2018-10-26 19:22:36,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:22:36,502 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:22:36,503 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:22:36,503 INFO L424 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:22:36,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:22:36,503 INFO L82 PathProgramCache]: Analyzing trace with hash 636648720, now seen corresponding path program 1 times [2018-10-26 19:22:36,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:22:36,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:22:36,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:22:36,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:22:36,507 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:22:36,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:22:36,650 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:22:36,650 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:22:36,650 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-10-26 19:22:36,650 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:22:36,652 INFO L460 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-10-26 19:22:36,652 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-10-26 19:22:36,652 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:22:36,653 INFO L87 Difference]: Start difference. First operand 21 states and 21 transitions. Second operand 5 states. [2018-10-26 19:22:36,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:22:36,688 INFO L93 Difference]: Finished difference Result 23 states and 22 transitions. [2018-10-26 19:22:36,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-10-26 19:22:36,689 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-10-26 19:22:36,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:22:36,690 INFO L225 Difference]: With dead ends: 23 [2018-10-26 19:22:36,690 INFO L226 Difference]: Without dead ends: 21 [2018-10-26 19:22:36,690 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-10-26 19:22:36,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2018-10-26 19:22:36,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2018-10-26 19:22:36,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2018-10-26 19:22:36,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 20 transitions. [2018-10-26 19:22:36,694 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 20 transitions. Word has length 19 [2018-10-26 19:22:36,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:22:36,694 INFO L481 AbstractCegarLoop]: Abstraction has 21 states and 20 transitions. [2018-10-26 19:22:36,695 INFO L482 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-10-26 19:22:36,695 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 20 transitions. [2018-10-26 19:22:36,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 19:22:36,695 INFO L367 BasicCegarLoop]: Found error trace [2018-10-26 19:22:36,695 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-10-26 19:22:36,697 INFO L424 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-10-26 19:22:36,697 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:22:36,697 INFO L82 PathProgramCache]: Analyzing trace with hash -1738724303, now seen corresponding path program 1 times [2018-10-26 19:22:36,698 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-10-26 19:22:36,698 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:22:36,699 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-10-26 19:22:36,699 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-10-26 19:22:36,699 INFO L288 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-10-26 19:22:36,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:22:36,967 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 16 [2018-10-26 19:22:37,137 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:22:37,138 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-10-26 19:22:37,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2018-10-26 19:22:37,138 INFO L258 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-10-26 19:22:37,138 INFO L460 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-10-26 19:22:37,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-10-26 19:22:37,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2018-10-26 19:22:37,139 INFO L87 Difference]: Start difference. First operand 21 states and 20 transitions. Second operand 10 states. [2018-10-26 19:22:37,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-10-26 19:22:37,556 INFO L93 Difference]: Finished difference Result 21 states and 20 transitions. [2018-10-26 19:22:37,556 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-10-26 19:22:37,556 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 20 [2018-10-26 19:22:37,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-10-26 19:22:37,557 INFO L225 Difference]: With dead ends: 21 [2018-10-26 19:22:37,557 INFO L226 Difference]: Without dead ends: 0 [2018-10-26 19:22:37,558 INFO L605 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2018-10-26 19:22:37,558 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-10-26 19:22:37,558 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-10-26 19:22:37,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-10-26 19:22:37,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-10-26 19:22:37,559 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 20 [2018-10-26 19:22:37,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-10-26 19:22:37,559 INFO L481 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-10-26 19:22:37,559 INFO L482 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-10-26 19:22:37,561 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-10-26 19:22:37,562 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:22:37,566 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-10-26 19:22:37,671 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:22:37,671 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: true [2018-10-26 19:22:37,672 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:22:37,672 INFO L421 ceAbstractionStarter]: At program point L13(line 13) the Hoare annotation is: (and (= f_~a |f_#in~a|) (= |f_#in~p2.base| f_~p2.base) (= |f_#in~p2.offset| f_~p2.offset) (= |f_#in~p1.offset| f_~p1.offset) (= f_~p1.base |f_#in~p1.base|) (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|)) [2018-10-26 19:22:37,672 INFO L425 ceAbstractionStarter]: For program point L12(lines 12 17) no Hoare annotation was computed. [2018-10-26 19:22:37,672 INFO L425 ceAbstractionStarter]: For program point L13-1(line 13) no Hoare annotation was computed. [2018-10-26 19:22:37,672 INFO L425 ceAbstractionStarter]: For program point fEXIT(lines 11 18) no Hoare annotation was computed. [2018-10-26 19:22:37,672 INFO L421 ceAbstractionStarter]: At program point fENTRY(lines 11 18) the Hoare annotation is: (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) [2018-10-26 19:22:37,673 INFO L425 ceAbstractionStarter]: For program point fFINAL(lines 11 18) no Hoare annotation was computed. [2018-10-26 19:22:37,673 INFO L425 ceAbstractionStarter]: For program point gEXIT(lines 4 9) no Hoare annotation was computed. [2018-10-26 19:22:37,673 INFO L425 ceAbstractionStarter]: For program point gFINAL(lines 4 9) no Hoare annotation was computed. [2018-10-26 19:22:37,673 INFO L421 ceAbstractionStarter]: At program point gENTRY(lines 4 9) the Hoare annotation is: (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) [2018-10-26 19:22:37,673 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-10-26 19:22:37,673 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-10-26 19:22:37,673 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-10-26 19:22:37,674 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-10-26 19:22:37,674 INFO L421 ceAbstractionStarter]: At program point L32(line 32) the Hoare annotation is: (and (= 4 |main_#t~mem4|) (not (= |main_~#a~0.base| (select (select |#memory_$Pointer$.base| |main_~#p2~0.base|) |main_~#p2~0.offset|)))) [2018-10-26 19:22:37,674 INFO L425 ceAbstractionStarter]: For program point L32-1(line 32) no Hoare annotation was computed. [2018-10-26 19:22:37,674 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 20 46) the Hoare annotation is: (= |#memory_$Pointer$.base| |old(#memory_$Pointer$.base)|) [2018-10-26 19:22:37,674 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 20 46) no Hoare annotation was computed. [2018-10-26 19:22:37,674 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 20 46) no Hoare annotation was computed. [2018-10-26 19:22:37,675 INFO L421 ceAbstractionStarter]: At program point L39(lines 20 46) the Hoare annotation is: false [2018-10-26 19:22:37,675 INFO L425 ceAbstractionStarter]: For program point L38(lines 38 40) no Hoare annotation was computed. [2018-10-26 19:22:37,675 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 44) no Hoare annotation was computed. [2018-10-26 19:22:37,675 INFO L425 ceAbstractionStarter]: For program point L34(lines 34 36) no Hoare annotation was computed. [2018-10-26 19:22:37,680 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 26.10 07:22:37 BoogieIcfgContainer [2018-10-26 19:22:37,680 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-10-26 19:22:37,681 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:22:37,681 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:22:37,681 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:22:37,682 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:22:35" (3/4) ... [2018-10-26 19:22:37,686 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:22:37,691 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-10-26 19:22:37,692 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure f [2018-10-26 19:22:37,692 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure g [2018-10-26 19:22:37,692 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-10-26 19:22:37,699 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 78 nodes and edges [2018-10-26 19:22:37,699 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 44 nodes and edges [2018-10-26 19:22:37,699 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2018-10-26 19:22:37,700 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 19:22:37,763 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d31173b9-de52-45ff-8566-cf9c1352e3da/bin-2019/utaipan/witness.graphml [2018-10-26 19:22:37,763 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:22:37,764 INFO L168 Benchmark]: Toolchain (without parser) took 2940.58 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 954.5 MB in the beginning and 1.0 GB in the end (delta: -91.2 MB). Peak memory consumption was 67.2 MB. Max. memory is 11.5 GB. [2018-10-26 19:22:37,765 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:22:37,766 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.47 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 943.7 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:22:37,766 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.94 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:22:37,767 INFO L168 Benchmark]: Boogie Preprocessor took 32.55 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:22:37,767 INFO L168 Benchmark]: RCFGBuilder took 639.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. [2018-10-26 19:22:37,768 INFO L168 Benchmark]: TraceAbstraction took 1917.71 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: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. [2018-10-26 19:22:37,770 INFO L168 Benchmark]: Witness Printer took 82.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-10-26 19:22:37,773 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 980.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 214.47 ms. Allocated memory is still 1.0 GB. Free memory was 954.5 MB in the beginning and 943.7 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 48.94 ms. Allocated memory is still 1.0 GB. Free memory was 943.7 MB in the beginning and 941.0 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 32.55 ms. Allocated memory is still 1.0 GB. Free memory is still 941.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 639.27 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 158.3 MB). Free memory was 941.0 MB in the beginning and 1.1 GB in the end (delta: -190.7 MB). Peak memory consumption was 23.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1917.71 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: 80.7 MB). Peak memory consumption was 80.7 MB. Max. memory is 11.5 GB. * Witness Printer took 82.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 44]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: 0 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 25 locations, 1 error locations. SAFE Result, 1.8s OverallTime, 3 OverallIterations, 1 TraceHistogramMax, 0.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 53 SDtfs, 10 SDslu, 150 SDs, 0 SdLazy, 97 SolverSat, 4 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 23 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=25occurred 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, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 9 PreInvPairs, 9 NumberOfFragments, 44 HoareAnnotationTreeSize, 9 FomulaSimplifications, 0 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 9 FomulaSimplificationsInter, 2 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 53 NumberOfCodeBlocks, 53 NumberOfCodeBlocksAsserted, 3 NumberOfCheckSat, 50 ConstructedInterpolants, 0 QuantifiedInterpolants, 5118 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 correct! Received shutdown request...