./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_srvr_1b_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_71e7fd75-b6bf-4406-bd18-0abb6bb47cfa/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_71e7fd75-b6bf-4406-bd18-0abb6bb47cfa/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_71e7fd75-b6bf-4406-bd18-0abb6bb47cfa/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_71e7fd75-b6bf-4406-bd18-0abb6bb47cfa/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_1b_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_71e7fd75-b6bf-4406-bd18-0abb6bb47cfa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_71e7fd75-b6bf-4406-bd18-0abb6bb47cfa/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 91fda61e05234dbe68b069d372f5d4b0bb73b229 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 08:04:36,322 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 08:04:36,323 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 08:04:36,329 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 08:04:36,329 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 08:04:36,329 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 08:04:36,330 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 08:04:36,331 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 08:04:36,332 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 08:04:36,332 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 08:04:36,332 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 08:04:36,332 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 08:04:36,333 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 08:04:36,333 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 08:04:36,334 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 08:04:36,334 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 08:04:36,335 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 08:04:36,336 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 08:04:36,336 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 08:04:36,337 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 08:04:36,338 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 08:04:36,338 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 08:04:36,339 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 08:04:36,339 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 08:04:36,340 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 08:04:36,340 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 08:04:36,341 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 08:04:36,341 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 08:04:36,341 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 08:04:36,342 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 08:04:36,342 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 08:04:36,342 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 08:04:36,342 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 08:04:36,342 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 08:04:36,343 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 08:04:36,343 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 08:04:36,343 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_71e7fd75-b6bf-4406-bd18-0abb6bb47cfa/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 08:04:36,351 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 08:04:36,351 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 08:04:36,351 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 08:04:36,351 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 08:04:36,351 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 08:04:36,351 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 08:04:36,352 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 08:04:36,352 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 08:04:36,352 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 08:04:36,352 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 08:04:36,352 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 08:04:36,352 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 08:04:36,352 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 08:04:36,352 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 08:04:36,353 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 08:04:36,353 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 08:04:36,353 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 08:04:36,353 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 08:04:36,353 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 08:04:36,353 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 08:04:36,353 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 08:04:36,353 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 08:04:36,353 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 08:04:36,353 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 08:04:36,353 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 08:04:36,354 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 08:04:36,354 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 08:04:36,354 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 08:04:36,354 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 08:04:36,354 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 08:04:36,354 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 08:04:36,354 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 08:04:36,354 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 08:04:36,354 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 08:04:36,354 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 08:04:36,354 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 08:04:36,355 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_71e7fd75-b6bf-4406-bd18-0abb6bb47cfa/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 -> 91fda61e05234dbe68b069d372f5d4b0bb73b229 [2018-12-09 08:04:36,372 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 08:04:36,381 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 08:04:36,384 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 08:04:36,385 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 08:04:36,385 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 08:04:36,386 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_71e7fd75-b6bf-4406-bd18-0abb6bb47cfa/bin-2019/utaipan/../../sv-benchmarks/c/ssh-simplified/s3_srvr_1b_true-unreach-call_false-termination.cil.c [2018-12-09 08:04:36,428 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_71e7fd75-b6bf-4406-bd18-0abb6bb47cfa/bin-2019/utaipan/data/364c3339c/bd186522bfcd40c0920364a2f4a2fc42/FLAGb9311074f [2018-12-09 08:04:36,713 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 08:04:36,714 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_71e7fd75-b6bf-4406-bd18-0abb6bb47cfa/sv-benchmarks/c/ssh-simplified/s3_srvr_1b_true-unreach-call_false-termination.cil.c [2018-12-09 08:04:36,718 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_71e7fd75-b6bf-4406-bd18-0abb6bb47cfa/bin-2019/utaipan/data/364c3339c/bd186522bfcd40c0920364a2f4a2fc42/FLAGb9311074f [2018-12-09 08:04:37,152 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_71e7fd75-b6bf-4406-bd18-0abb6bb47cfa/bin-2019/utaipan/data/364c3339c/bd186522bfcd40c0920364a2f4a2fc42 [2018-12-09 08:04:37,154 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 08:04:37,155 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 08:04:37,155 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 08:04:37,155 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 08:04:37,157 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 08:04:37,158 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:04:37" (1/1) ... [2018-12-09 08:04:37,160 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@161b79d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:37, skipping insertion in model container [2018-12-09 08:04:37,160 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 08:04:37" (1/1) ... [2018-12-09 08:04:37,164 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 08:04:37,175 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 08:04:37,264 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:04:37,266 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 08:04:37,277 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 08:04:37,285 INFO L195 MainTranslator]: Completed translation [2018-12-09 08:04:37,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:37 WrapperNode [2018-12-09 08:04:37,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 08:04:37,286 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 08:04:37,286 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 08:04:37,286 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 08:04:37,291 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:37" (1/1) ... [2018-12-09 08:04:37,294 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:37" (1/1) ... [2018-12-09 08:04:37,298 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 08:04:37,298 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 08:04:37,298 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 08:04:37,298 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 08:04:37,303 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:37" (1/1) ... [2018-12-09 08:04:37,303 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:37" (1/1) ... [2018-12-09 08:04:37,304 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:37" (1/1) ... [2018-12-09 08:04:37,304 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:37" (1/1) ... [2018-12-09 08:04:37,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:37" (1/1) ... [2018-12-09 08:04:37,309 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:37" (1/1) ... [2018-12-09 08:04:37,310 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:37" (1/1) ... [2018-12-09 08:04:37,311 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 08:04:37,311 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 08:04:37,311 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 08:04:37,311 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 08:04:37,312 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_71e7fd75-b6bf-4406-bd18-0abb6bb47cfa/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 [2018-12-09 08:04:37,371 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 08:04:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 08:04:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 08:04:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 08:04:37,372 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 08:04:37,372 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 08:04:37,470 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 08:04:37,470 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 08:04:37,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:04:37 BoogieIcfgContainer [2018-12-09 08:04:37,471 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 08:04:37,471 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 08:04:37,471 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 08:04:37,473 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 08:04:37,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 08:04:37" (1/3) ... [2018-12-09 08:04:37,474 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd95b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:04:37, skipping insertion in model container [2018-12-09 08:04:37,474 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 08:04:37" (2/3) ... [2018-12-09 08:04:37,475 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1fd95b89 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 08:04:37, skipping insertion in model container [2018-12-09 08:04:37,475 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:04:37" (3/3) ... [2018-12-09 08:04:37,476 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1b_true-unreach-call_false-termination.cil.c [2018-12-09 08:04:37,485 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 08:04:37,490 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 08:04:37,499 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 08:04:37,518 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 08:04:37,518 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 08:04:37,518 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 08:04:37,518 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 08:04:37,518 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 08:04:37,519 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 08:04:37,519 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 08:04:37,519 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 08:04:37,529 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states. [2018-12-09 08:04:37,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-12-09 08:04:37,532 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:37,532 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:37,534 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:04:37,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:37,538 INFO L82 PathProgramCache]: Analyzing trace with hash -2134687016, now seen corresponding path program 1 times [2018-12-09 08:04:37,540 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:37,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:37,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:37,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:37,579 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:37,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:37,630 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:37,631 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:37,631 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:04:37,631 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:37,634 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 08:04:37,642 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:04:37,642 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:37,644 INFO L87 Difference]: Start difference. First operand 28 states. Second operand 3 states. [2018-12-09 08:04:37,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:37,696 INFO L93 Difference]: Finished difference Result 70 states and 116 transitions. [2018-12-09 08:04:37,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:04:37,698 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 8 [2018-12-09 08:04:37,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:37,704 INFO L225 Difference]: With dead ends: 70 [2018-12-09 08:04:37,704 INFO L226 Difference]: Without dead ends: 39 [2018-12-09 08:04:37,706 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:37,716 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-12-09 08:04:37,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-12-09 08:04:37,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-12-09 08:04:37,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 55 transitions. [2018-12-09 08:04:37,728 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 55 transitions. Word has length 8 [2018-12-09 08:04:37,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:37,729 INFO L480 AbstractCegarLoop]: Abstraction has 39 states and 55 transitions. [2018-12-09 08:04:37,729 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 08:04:37,729 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 55 transitions. [2018-12-09 08:04:37,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 08:04:37,729 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:37,729 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:37,729 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:04:37,730 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:37,730 INFO L82 PathProgramCache]: Analyzing trace with hash 1966827798, now seen corresponding path program 1 times [2018-12-09 08:04:37,730 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:37,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:37,730 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:37,730 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:37,730 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:37,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:37,750 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:37,751 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:37,751 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:04:37,751 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:37,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 08:04:37,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:04:37,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:37,752 INFO L87 Difference]: Start difference. First operand 39 states and 55 transitions. Second operand 3 states. [2018-12-09 08:04:37,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:37,782 INFO L93 Difference]: Finished difference Result 87 states and 125 transitions. [2018-12-09 08:04:37,783 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:04:37,783 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-09 08:04:37,783 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:37,783 INFO L225 Difference]: With dead ends: 87 [2018-12-09 08:04:37,784 INFO L226 Difference]: Without dead ends: 53 [2018-12-09 08:04:37,784 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:37,784 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-12-09 08:04:37,788 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 49. [2018-12-09 08:04:37,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2018-12-09 08:04:37,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 65 transitions. [2018-12-09 08:04:37,789 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 65 transitions. Word has length 13 [2018-12-09 08:04:37,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:37,789 INFO L480 AbstractCegarLoop]: Abstraction has 49 states and 65 transitions. [2018-12-09 08:04:37,789 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 08:04:37,789 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 65 transitions. [2018-12-09 08:04:37,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 08:04:37,789 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:37,790 INFO L402 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:37,790 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:04:37,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:37,790 INFO L82 PathProgramCache]: Analyzing trace with hash 1966887380, now seen corresponding path program 1 times [2018-12-09 08:04:37,790 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:37,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:37,791 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:37,791 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:37,791 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:37,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:37,803 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 08:04:37,803 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:37,803 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:04:37,803 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:37,803 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 08:04:37,803 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:04:37,803 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:37,804 INFO L87 Difference]: Start difference. First operand 49 states and 65 transitions. Second operand 3 states. [2018-12-09 08:04:37,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:37,827 INFO L93 Difference]: Finished difference Result 93 states and 130 transitions. [2018-12-09 08:04:37,827 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:04:37,827 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 13 [2018-12-09 08:04:37,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:37,828 INFO L225 Difference]: With dead ends: 93 [2018-12-09 08:04:37,828 INFO L226 Difference]: Without dead ends: 70 [2018-12-09 08:04:37,828 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:37,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2018-12-09 08:04:37,833 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2018-12-09 08:04:37,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2018-12-09 08:04:37,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 93 transitions. [2018-12-09 08:04:37,834 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 93 transitions. Word has length 13 [2018-12-09 08:04:37,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:37,834 INFO L480 AbstractCegarLoop]: Abstraction has 70 states and 93 transitions. [2018-12-09 08:04:37,834 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 08:04:37,834 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 93 transitions. [2018-12-09 08:04:37,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-12-09 08:04:37,835 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:37,835 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:37,835 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:04:37,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:37,836 INFO L82 PathProgramCache]: Analyzing trace with hash 280007728, now seen corresponding path program 1 times [2018-12-09 08:04:37,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:37,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:37,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:37,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:37,837 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:37,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:37,852 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 08:04:37,852 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:37,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:04:37,852 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:37,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 08:04:37,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:04:37,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:37,853 INFO L87 Difference]: Start difference. First operand 70 states and 93 transitions. Second operand 3 states. [2018-12-09 08:04:37,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:37,882 INFO L93 Difference]: Finished difference Result 137 states and 187 transitions. [2018-12-09 08:04:37,882 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:04:37,883 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-12-09 08:04:37,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:37,883 INFO L225 Difference]: With dead ends: 137 [2018-12-09 08:04:37,883 INFO L226 Difference]: Without dead ends: 93 [2018-12-09 08:04:37,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:37,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2018-12-09 08:04:37,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2018-12-09 08:04:37,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 91 states. [2018-12-09 08:04:37,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 123 transitions. [2018-12-09 08:04:37,890 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 123 transitions. Word has length 20 [2018-12-09 08:04:37,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:37,890 INFO L480 AbstractCegarLoop]: Abstraction has 91 states and 123 transitions. [2018-12-09 08:04:37,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 08:04:37,890 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 123 transitions. [2018-12-09 08:04:37,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-12-09 08:04:37,890 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:37,891 INFO L402 BasicCegarLoop]: trace histogram [3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:37,891 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:04:37,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:37,891 INFO L82 PathProgramCache]: Analyzing trace with hash 885328029, now seen corresponding path program 1 times [2018-12-09 08:04:37,891 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:37,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:37,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:37,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:37,892 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:37,911 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 08:04:37,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:37,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:04:37,911 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:37,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 08:04:37,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:04:37,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:37,912 INFO L87 Difference]: Start difference. First operand 91 states and 123 transitions. Second operand 3 states. [2018-12-09 08:04:37,933 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:37,933 INFO L93 Difference]: Finished difference Result 181 states and 245 transitions. [2018-12-09 08:04:37,933 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:04:37,933 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 23 [2018-12-09 08:04:37,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:37,934 INFO L225 Difference]: With dead ends: 181 [2018-12-09 08:04:37,934 INFO L226 Difference]: Without dead ends: 76 [2018-12-09 08:04:37,934 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:37,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2018-12-09 08:04:37,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2018-12-09 08:04:37,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 74 states. [2018-12-09 08:04:37,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 90 transitions. [2018-12-09 08:04:37,939 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 90 transitions. Word has length 23 [2018-12-09 08:04:37,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:37,939 INFO L480 AbstractCegarLoop]: Abstraction has 74 states and 90 transitions. [2018-12-09 08:04:37,939 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 08:04:37,939 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 90 transitions. [2018-12-09 08:04:37,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-09 08:04:37,939 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 08:04:37,940 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 08:04:37,940 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 08:04:37,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 08:04:37,940 INFO L82 PathProgramCache]: Analyzing trace with hash 1155086362, now seen corresponding path program 1 times [2018-12-09 08:04:37,940 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 08:04:37,940 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:37,941 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 08:04:37,941 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 08:04:37,941 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 08:04:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 08:04:37,956 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 08:04:37,957 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 08:04:37,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 08:04:37,957 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 08:04:37,957 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 08:04:37,957 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 08:04:37,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:37,957 INFO L87 Difference]: Start difference. First operand 74 states and 90 transitions. Second operand 3 states. [2018-12-09 08:04:37,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 08:04:37,967 INFO L93 Difference]: Finished difference Result 124 states and 147 transitions. [2018-12-09 08:04:37,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 08:04:37,967 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 37 [2018-12-09 08:04:37,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 08:04:37,968 INFO L225 Difference]: With dead ends: 124 [2018-12-09 08:04:37,968 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 08:04:37,968 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 08:04:37,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 08:04:37,968 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 08:04:37,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 08:04:37,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 08:04:37,969 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 37 [2018-12-09 08:04:37,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 08:04:37,969 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 08:04:37,969 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 08:04:37,969 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 08:04:37,969 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 08:04:37,972 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 08:04:38,056 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-12-09 08:04:38,057 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 08:04:38,057 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 08:04:38,057 INFO L451 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-12-09 08:04:38,057 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 08:04:38,057 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 08:04:38,057 INFO L444 ceAbstractionStarter]: At program point L97(lines 9 141) the Hoare annotation is: false [2018-12-09 08:04:38,057 INFO L444 ceAbstractionStarter]: At program point L31(lines 30 125) the Hoare annotation is: (<= main_~blastFlag~0 2) [2018-12-09 08:04:38,057 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 54 107) no Hoare annotation was computed. [2018-12-09 08:04:38,057 INFO L448 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 139) no Hoare annotation was computed. [2018-12-09 08:04:38,057 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 9 141) no Hoare annotation was computed. [2018-12-09 08:04:38,058 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 54 107) no Hoare annotation was computed. [2018-12-09 08:04:38,058 INFO L448 ceAbstractionStarter]: For program point L19(line 19) no Hoare annotation was computed. [2018-12-09 08:04:38,058 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 54 107) no Hoare annotation was computed. [2018-12-09 08:04:38,058 INFO L448 ceAbstractionStarter]: For program point L70(lines 70 74) no Hoare annotation was computed. [2018-12-09 08:04:38,058 INFO L448 ceAbstractionStarter]: For program point L25(lines 25 128) no Hoare annotation was computed. [2018-12-09 08:04:38,058 INFO L448 ceAbstractionStarter]: For program point L58-1(lines 54 107) no Hoare annotation was computed. [2018-12-09 08:04:38,058 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 109) no Hoare annotation was computed. [2018-12-09 08:04:38,058 INFO L448 ceAbstractionStarter]: For program point L46(lines 46 111) no Hoare annotation was computed. [2018-12-09 08:04:38,058 INFO L448 ceAbstractionStarter]: For program point mainFINAL(lines 9 141) no Hoare annotation was computed. [2018-12-09 08:04:38,058 INFO L451 ceAbstractionStarter]: At program point L137(lines 9 141) the Hoare annotation is: true [2018-12-09 08:04:38,058 INFO L444 ceAbstractionStarter]: At program point L100(lines 18 135) the Hoare annotation is: (or (and (<= 8640 main_~s__state~0) (<= main_~blastFlag~0 3) (not (= 0 main_~s__hit~0))) (<= main_~blastFlag~0 2)) [2018-12-09 08:04:38,059 INFO L448 ceAbstractionStarter]: For program point L96(lines 96 98) no Hoare annotation was computed. [2018-12-09 08:04:38,059 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 125) no Hoare annotation was computed. [2018-12-09 08:04:38,059 INFO L451 ceAbstractionStarter]: At program point mainENTRY(lines 9 141) the Hoare annotation is: true [2018-12-09 08:04:38,059 INFO L444 ceAbstractionStarter]: At program point L26(lines 25 128) the Hoare annotation is: (<= main_~blastFlag~0 2) [2018-12-09 08:04:38,059 INFO L444 ceAbstractionStarter]: At program point L51(lines 50 109) the Hoare annotation is: (let ((.cse0 (<= 8656 main_~s__state~0))) (or (and .cse0 (<= main_~blastFlag~0 2)) (and .cse0 (<= main_~blastFlag~0 3) (not (= 0 main_~s__hit~0))))) [2018-12-09 08:04:38,059 INFO L444 ceAbstractionStarter]: At program point L47(lines 46 111) the Hoare annotation is: (let ((.cse0 (<= 8640 main_~s__state~0))) (or (and .cse0 (<= main_~blastFlag~0 3) (not (= 0 main_~s__hit~0))) (and .cse0 (<= main_~blastFlag~0 2)))) [2018-12-09 08:04:38,068 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 08:04:38 BoogieIcfgContainer [2018-12-09 08:04:38,068 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 08:04:38,068 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 08:04:38,068 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 08:04:38,069 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 08:04:38,069 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 08:04:37" (3/4) ... [2018-12-09 08:04:38,071 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 08:04:38,075 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 08:04:38,075 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 08:04:38,078 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 08:04:38,078 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 08:04:38,078 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 08:04:38,106 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_71e7fd75-b6bf-4406-bd18-0abb6bb47cfa/bin-2019/utaipan/witness.graphml [2018-12-09 08:04:38,107 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 08:04:38,107 INFO L168 Benchmark]: Toolchain (without parser) took 952.98 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 948.6 MB in the beginning and 992.4 MB in the end (delta: -43.7 MB). Peak memory consumption was 60.1 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:38,108 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:04:38,108 INFO L168 Benchmark]: CACSL2BoogieTranslator took 130.31 ms. Allocated memory is still 1.0 GB. Free memory was 948.6 MB in the beginning and 937.9 MB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:38,109 INFO L168 Benchmark]: Boogie Procedure Inliner took 11.86 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 08:04:38,109 INFO L168 Benchmark]: Boogie Preprocessor took 12.81 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 935.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:38,109 INFO L168 Benchmark]: RCFGBuilder took 159.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:38,109 INFO L168 Benchmark]: TraceAbstraction took 596.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 997.7 MB in the end (delta: 88.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:38,110 INFO L168 Benchmark]: Witness Printer took 38.28 ms. Allocated memory is still 1.1 GB. Free memory was 997.7 MB in the beginning and 992.4 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-09 08:04:38,111 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 130.31 ms. Allocated memory is still 1.0 GB. Free memory was 948.6 MB in the beginning and 937.9 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 11.86 ms. Allocated memory is still 1.0 GB. Free memory is still 937.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 12.81 ms. Allocated memory is still 1.0 GB. Free memory was 937.9 MB in the beginning and 935.2 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 159.95 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 103.8 MB). Free memory was 935.2 MB in the beginning and 1.1 GB in the end (delta: -151.2 MB). Peak memory consumption was 12.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 596.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 997.7 MB in the end (delta: 88.7 MB). Peak memory consumption was 88.7 MB. Max. memory is 11.5 GB. * Witness Printer took 38.28 ms. Allocated memory is still 1.1 GB. Free memory was 997.7 MB in the beginning and 992.4 MB 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: 139]: 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: 9]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 50]: Loop Invariant Derived loop invariant: (8656 <= s__state && blastFlag <= 2) || ((8656 <= s__state && blastFlag <= 3) && !(0 == s__hit)) - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((8640 <= s__state && blastFlag <= 3) && !(0 == s__hit)) || blastFlag <= 2 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: ((8640 <= s__state && blastFlag <= 3) && !(0 == s__hit)) || (8640 <= s__state && blastFlag <= 2) - InvariantResult [Line: 25]: Loop Invariant Derived loop invariant: blastFlag <= 2 - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 28 locations, 1 error locations. SAFE Result, 0.5s OverallTime, 6 OverallIterations, 4 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 184 SDtfs, 92 SDslu, 109 SDs, 0 SdLazy, 95 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 18 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=91occurred in iteration=4, 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, 6 MinimizatonAttempts, 8 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 11 LocationsWithAnnotation, 11 PreInvPairs, 34 NumberOfFragments, 65 HoareAnnotationTreeSize, 11 FomulaSimplifications, 175 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 11 FomulaSimplificationsInter, 24 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 114 NumberOfCodeBlocks, 114 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 108 ConstructedInterpolants, 0 QuantifiedInterpolants, 4626 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 42/42 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...