./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe012_tso.opt_true-unreach-call.i --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_eb104603-bda5-4dd9-804c-cea619dad90a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eb104603-bda5-4dd9-804c-cea619dad90a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eb104603-bda5-4dd9-804c-cea619dad90a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eb104603-bda5-4dd9-804c-cea619dad90a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe012_tso.opt_true-unreach-call.i -s /tmp/vcloud-vcloud-master/worker/working_dir_eb104603-bda5-4dd9-804c-cea619dad90a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eb104603-bda5-4dd9-804c-cea619dad90a/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 9b481fef3785ee06f04487ea33ec8ac9e1fdc370 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 01:05:09,449 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 01:05:09,450 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 01:05:09,456 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 01:05:09,456 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 01:05:09,457 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 01:05:09,457 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 01:05:09,458 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 01:05:09,459 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 01:05:09,459 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 01:05:09,460 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 01:05:09,460 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 01:05:09,460 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 01:05:09,461 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 01:05:09,461 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 01:05:09,462 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 01:05:09,462 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 01:05:09,463 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 01:05:09,464 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 01:05:09,465 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 01:05:09,466 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 01:05:09,466 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 01:05:09,467 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 01:05:09,468 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 01:05:09,468 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 01:05:09,468 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 01:05:09,469 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 01:05:09,469 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 01:05:09,470 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 01:05:09,470 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 01:05:09,470 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 01:05:09,471 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 01:05:09,471 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 01:05:09,471 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 01:05:09,472 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 01:05:09,472 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 01:05:09,472 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eb104603-bda5-4dd9-804c-cea619dad90a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 01:05:09,480 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 01:05:09,480 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 01:05:09,480 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 01:05:09,481 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 01:05:09,481 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 01:05:09,481 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 01:05:09,481 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 01:05:09,481 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 01:05:09,481 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 01:05:09,481 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 01:05:09,481 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 01:05:09,482 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 01:05:09,482 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 01:05:09,482 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 01:05:09,482 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 01:05:09,482 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 01:05:09,483 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 01:05:09,483 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 01:05:09,483 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 01:05:09,483 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 01:05:09,483 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 01:05:09,483 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 01:05:09,483 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 01:05:09,483 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 01:05:09,484 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 01:05:09,484 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 01:05:09,484 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 01:05:09,484 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 01:05:09,484 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 01:05:09,484 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 01:05:09,484 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 01:05:09,485 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 01:05:09,485 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 01:05:09,485 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 01:05:09,485 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 01:05:09,485 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 01:05:09,485 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_eb104603-bda5-4dd9-804c-cea619dad90a/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 -> 9b481fef3785ee06f04487ea33ec8ac9e1fdc370 [2018-12-09 01:05:09,503 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 01:05:09,510 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 01:05:09,512 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 01:05:09,512 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 01:05:09,513 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 01:05:09,513 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eb104603-bda5-4dd9-804c-cea619dad90a/bin-2019/utaipan/../../sv-benchmarks/c/pthread-wmm/safe012_tso.opt_true-unreach-call.i [2018-12-09 01:05:09,546 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb104603-bda5-4dd9-804c-cea619dad90a/bin-2019/utaipan/data/5ead4afe9/970630b08f834b2491b5b0ff14f27efa/FLAGbfc9214d6 [2018-12-09 01:05:10,015 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 01:05:10,016 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eb104603-bda5-4dd9-804c-cea619dad90a/sv-benchmarks/c/pthread-wmm/safe012_tso.opt_true-unreach-call.i [2018-12-09 01:05:10,023 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eb104603-bda5-4dd9-804c-cea619dad90a/bin-2019/utaipan/data/5ead4afe9/970630b08f834b2491b5b0ff14f27efa/FLAGbfc9214d6 [2018-12-09 01:05:10,032 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eb104603-bda5-4dd9-804c-cea619dad90a/bin-2019/utaipan/data/5ead4afe9/970630b08f834b2491b5b0ff14f27efa [2018-12-09 01:05:10,034 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 01:05:10,034 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 01:05:10,035 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 01:05:10,035 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 01:05:10,037 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 01:05:10,037 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:05:10" (1/1) ... [2018-12-09 01:05:10,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7c3629c9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:05:10, skipping insertion in model container [2018-12-09 01:05:10,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 01:05:10" (1/1) ... [2018-12-09 01:05:10,043 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 01:05:10,063 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 01:05:10,221 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:05:10,228 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 01:05:10,291 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 01:05:10,320 INFO L195 MainTranslator]: Completed translation [2018-12-09 01:05:10,320 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:05:10 WrapperNode [2018-12-09 01:05:10,320 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 01:05:10,321 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 01:05:10,321 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 01:05:10,321 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 01:05:10,326 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:05:10" (1/1) ... [2018-12-09 01:05:10,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:05:10" (1/1) ... [2018-12-09 01:05:10,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 01:05:10,346 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 01:05:10,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 01:05:10,347 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 01:05:10,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:05:10" (1/1) ... [2018-12-09 01:05:10,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:05:10" (1/1) ... [2018-12-09 01:05:10,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:05:10" (1/1) ... [2018-12-09 01:05:10,353 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:05:10" (1/1) ... [2018-12-09 01:05:10,356 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:05:10" (1/1) ... [2018-12-09 01:05:10,359 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:05:10" (1/1) ... [2018-12-09 01:05:10,360 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:05:10" (1/1) ... [2018-12-09 01:05:10,361 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 01:05:10,361 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 01:05:10,361 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 01:05:10,361 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 01:05:10,362 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:05:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eb104603-bda5-4dd9-804c-cea619dad90a/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 01:05:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-12-09 01:05:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2018-12-09 01:05:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2018-12-09 01:05:10,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-12-09 01:05:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2018-12-09 01:05:10,393 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2018-12-09 01:05:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2018-12-09 01:05:10,393 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2018-12-09 01:05:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2018-12-09 01:05:10,393 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2018-12-09 01:05:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2018-12-09 01:05:10,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 01:05:10,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 01:05:10,394 WARN L198 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2018-12-09 01:05:10,540 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 01:05:10,540 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-09 01:05:10,540 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:05:10 BoogieIcfgContainer [2018-12-09 01:05:10,540 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 01:05:10,541 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 01:05:10,541 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 01:05:10,542 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 01:05:10,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 01:05:10" (1/3) ... [2018-12-09 01:05:10,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efd58f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:05:10, skipping insertion in model container [2018-12-09 01:05:10,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 01:05:10" (2/3) ... [2018-12-09 01:05:10,543 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1efd58f8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 01:05:10, skipping insertion in model container [2018-12-09 01:05:10,543 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:05:10" (3/3) ... [2018-12-09 01:05:10,544 INFO L112 eAbstractionObserver]: Analyzing ICFG safe012_tso.opt_true-unreach-call.i [2018-12-09 01:05:10,565 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,565 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,565 WARN L317 ript$VariableManager]: TermVariabe Thread2_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,565 WARN L317 ript$VariableManager]: TermVariabe Thread2_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,566 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,566 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,566 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,566 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,566 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,567 WARN L317 ript$VariableManager]: TermVariabe |Thread2_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,567 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,567 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,567 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,567 WARN L317 ript$VariableManager]: TermVariabe Thread0_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,568 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,568 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,568 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,568 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,568 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,568 WARN L317 ript$VariableManager]: TermVariabe |Thread0_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,569 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,569 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,569 WARN L317 ript$VariableManager]: TermVariabe Thread1_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,569 WARN L317 ript$VariableManager]: TermVariabe Thread1_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,569 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,569 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,570 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,570 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,570 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,570 WARN L317 ript$VariableManager]: TermVariabe |Thread1_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2018-12-09 01:05:10,577 WARN L145 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2018-12-09 01:05:10,577 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 01:05:10,582 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 01:05:10,590 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 01:05:10,605 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 01:05:10,605 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 01:05:10,605 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 01:05:10,605 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 01:05:10,605 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 01:05:10,605 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 01:05:10,605 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 01:05:10,605 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 01:05:10,611 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 57places, 54 transitions [2018-12-09 01:05:10,667 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2386 states. [2018-12-09 01:05:10,668 INFO L276 IsEmpty]: Start isEmpty. Operand 2386 states. [2018-12-09 01:05:10,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-09 01:05:10,677 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:05:10,678 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:05:10,679 INFO L423 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:05:10,682 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:05:10,682 INFO L82 PathProgramCache]: Analyzing trace with hash -1011204503, now seen corresponding path program 1 times [2018-12-09 01:05:10,684 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:05:10,719 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:05:10,720 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:05:10,720 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:05:10,720 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:05:10,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:05:10,827 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 01:05:10,829 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:05:10,829 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 01:05:10,829 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:05:10,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 01:05:10,840 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 01:05:10,840 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-09 01:05:10,841 INFO L87 Difference]: Start difference. First operand 2386 states. Second operand 4 states. [2018-12-09 01:05:10,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:05:10,900 INFO L93 Difference]: Finished difference Result 2494 states and 8070 transitions. [2018-12-09 01:05:10,901 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-12-09 01:05:10,901 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 31 [2018-12-09 01:05:10,902 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:05:10,915 INFO L225 Difference]: With dead ends: 2494 [2018-12-09 01:05:10,915 INFO L226 Difference]: Without dead ends: 1129 [2018-12-09 01:05:10,916 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-12-09 01:05:10,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1129 states. [2018-12-09 01:05:10,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1129 to 1129. [2018-12-09 01:05:10,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1129 states. [2018-12-09 01:05:10,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 1129 states and 3559 transitions. [2018-12-09 01:05:10,983 INFO L78 Accepts]: Start accepts. Automaton has 1129 states and 3559 transitions. Word has length 31 [2018-12-09 01:05:10,984 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:05:10,984 INFO L480 AbstractCegarLoop]: Abstraction has 1129 states and 3559 transitions. [2018-12-09 01:05:10,984 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 01:05:10,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 3559 transitions. [2018-12-09 01:05:10,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2018-12-09 01:05:10,987 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:05:10,987 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:05:10,987 INFO L423 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:05:10,987 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:05:10,988 INFO L82 PathProgramCache]: Analyzing trace with hash -52650827, now seen corresponding path program 1 times [2018-12-09 01:05:10,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:05:10,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:05:10,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:05:10,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:05:10,992 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:05:11,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:05:11,058 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 01:05:11,059 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:05:11,059 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 01:05:11,059 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:05:11,060 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 01:05:11,060 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 01:05:11,060 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2018-12-09 01:05:11,060 INFO L87 Difference]: Start difference. First operand 1129 states and 3559 transitions. Second operand 5 states. [2018-12-09 01:05:11,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:05:11,117 INFO L93 Difference]: Finished difference Result 1169 states and 3553 transitions. [2018-12-09 01:05:11,117 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 01:05:11,117 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 32 [2018-12-09 01:05:11,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:05:11,123 INFO L225 Difference]: With dead ends: 1169 [2018-12-09 01:05:11,123 INFO L226 Difference]: Without dead ends: 1045 [2018-12-09 01:05:11,124 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2018-12-09 01:05:11,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1045 states. [2018-12-09 01:05:11,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1045 to 1045. [2018-12-09 01:05:11,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1045 states. [2018-12-09 01:05:11,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 3244 transitions. [2018-12-09 01:05:11,153 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 3244 transitions. Word has length 32 [2018-12-09 01:05:11,153 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:05:11,153 INFO L480 AbstractCegarLoop]: Abstraction has 1045 states and 3244 transitions. [2018-12-09 01:05:11,153 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 01:05:11,153 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 3244 transitions. [2018-12-09 01:05:11,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2018-12-09 01:05:11,155 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:05:11,156 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:05:11,156 INFO L423 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:05:11,156 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:05:11,156 INFO L82 PathProgramCache]: Analyzing trace with hash -68156749, now seen corresponding path program 1 times [2018-12-09 01:05:11,156 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:05:11,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:05:11,159 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:05:11,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:05:11,159 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:05:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:05:11,218 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 01:05:11,218 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:05:11,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 01:05:11,219 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:05:11,219 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 01:05:11,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 01:05:11,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 01:05:11,220 INFO L87 Difference]: Start difference. First operand 1045 states and 3244 transitions. Second operand 6 states. [2018-12-09 01:05:11,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:05:11,273 INFO L93 Difference]: Finished difference Result 821 states and 2380 transitions. [2018-12-09 01:05:11,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 01:05:11,274 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2018-12-09 01:05:11,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:05:11,277 INFO L225 Difference]: With dead ends: 821 [2018-12-09 01:05:11,277 INFO L226 Difference]: Without dead ends: 709 [2018-12-09 01:05:11,277 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2018-12-09 01:05:11,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2018-12-09 01:05:11,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 709. [2018-12-09 01:05:11,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 709 states. [2018-12-09 01:05:11,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 709 states and 2068 transitions. [2018-12-09 01:05:11,297 INFO L78 Accepts]: Start accepts. Automaton has 709 states and 2068 transitions. Word has length 33 [2018-12-09 01:05:11,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:05:11,297 INFO L480 AbstractCegarLoop]: Abstraction has 709 states and 2068 transitions. [2018-12-09 01:05:11,297 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 01:05:11,297 INFO L276 IsEmpty]: Start isEmpty. Operand 709 states and 2068 transitions. [2018-12-09 01:05:11,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 01:05:11,299 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:05:11,299 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:05:11,299 INFO L423 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:05:11,299 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:05:11,299 INFO L82 PathProgramCache]: Analyzing trace with hash -1158860001, now seen corresponding path program 1 times [2018-12-09 01:05:11,300 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:05:11,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:05:11,302 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:05:11,302 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:05:11,302 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:05:11,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:05:11,390 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 01:05:11,390 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:05:11,390 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 01:05:11,390 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:05:11,390 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 01:05:11,391 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 01:05:11,391 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 01:05:11,391 INFO L87 Difference]: Start difference. First operand 709 states and 2068 transitions. Second operand 7 states. [2018-12-09 01:05:11,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:05:11,457 INFO L93 Difference]: Finished difference Result 1109 states and 3292 transitions. [2018-12-09 01:05:11,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 01:05:11,458 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2018-12-09 01:05:11,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:05:11,461 INFO L225 Difference]: With dead ends: 1109 [2018-12-09 01:05:11,461 INFO L226 Difference]: Without dead ends: 593 [2018-12-09 01:05:11,461 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2018-12-09 01:05:11,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 593 states. [2018-12-09 01:05:11,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 593 to 593. [2018-12-09 01:05:11,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 593 states. [2018-12-09 01:05:11,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 1756 transitions. [2018-12-09 01:05:11,476 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 1756 transitions. Word has length 34 [2018-12-09 01:05:11,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:05:11,476 INFO L480 AbstractCegarLoop]: Abstraction has 593 states and 1756 transitions. [2018-12-09 01:05:11,477 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 01:05:11,477 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 1756 transitions. [2018-12-09 01:05:11,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 01:05:11,478 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:05:11,478 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:05:11,478 INFO L423 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:05:11,478 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:05:11,479 INFO L82 PathProgramCache]: Analyzing trace with hash -703513849, now seen corresponding path program 2 times [2018-12-09 01:05:11,479 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:05:11,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:05:11,481 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 01:05:11,481 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:05:11,481 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:05:11,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:05:11,542 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 01:05:11,543 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:05:11,543 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-09 01:05:11,543 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:05:11,543 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-09 01:05:11,543 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-09 01:05:11,543 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-12-09 01:05:11,544 INFO L87 Difference]: Start difference. First operand 593 states and 1756 transitions. Second operand 7 states. [2018-12-09 01:05:11,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:05:11,600 INFO L93 Difference]: Finished difference Result 977 states and 2940 transitions. [2018-12-09 01:05:11,601 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 01:05:11,601 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 34 [2018-12-09 01:05:11,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:05:11,603 INFO L225 Difference]: With dead ends: 977 [2018-12-09 01:05:11,603 INFO L226 Difference]: Without dead ends: 557 [2018-12-09 01:05:11,603 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2018-12-09 01:05:11,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2018-12-09 01:05:11,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2018-12-09 01:05:11,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 557 states. [2018-12-09 01:05:11,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 1672 transitions. [2018-12-09 01:05:11,613 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 1672 transitions. Word has length 34 [2018-12-09 01:05:11,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:05:11,613 INFO L480 AbstractCegarLoop]: Abstraction has 557 states and 1672 transitions. [2018-12-09 01:05:11,613 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-09 01:05:11,613 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 1672 transitions. [2018-12-09 01:05:11,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2018-12-09 01:05:11,614 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 01:05:11,614 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 01:05:11,614 INFO L423 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 01:05:11,615 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 01:05:11,615 INFO L82 PathProgramCache]: Analyzing trace with hash 1434143397, now seen corresponding path program 3 times [2018-12-09 01:05:11,615 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 01:05:11,616 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:05:11,616 INFO L101 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2018-12-09 01:05:11,617 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 01:05:11,617 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 01:05:11,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 01:05:11,671 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 01:05:11,671 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 01:05:11,671 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-12-09 01:05:11,671 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 01:05:11,672 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 01:05:11,672 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 01:05:11,672 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2018-12-09 01:05:11,672 INFO L87 Difference]: Start difference. First operand 557 states and 1672 transitions. Second operand 8 states. [2018-12-09 01:05:11,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 01:05:11,784 INFO L93 Difference]: Finished difference Result 429 states and 1256 transitions. [2018-12-09 01:05:11,784 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-09 01:05:11,784 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 34 [2018-12-09 01:05:11,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 01:05:11,785 INFO L225 Difference]: With dead ends: 429 [2018-12-09 01:05:11,785 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 01:05:11,785 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=109, Unknown=0, NotChecked=0, Total=156 [2018-12-09 01:05:11,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 01:05:11,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 01:05:11,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 01:05:11,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 01:05:11,786 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 34 [2018-12-09 01:05:11,786 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 01:05:11,786 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 01:05:11,786 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 01:05:11,786 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 01:05:11,787 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 01:05:11,788 INFO L305 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2018-12-09 01:05:11,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 01:05:11 BasicIcfg [2018-12-09 01:05:11,790 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 01:05:11,790 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 01:05:11,790 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 01:05:11,790 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 01:05:11,791 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 01:05:10" (3/4) ... [2018-12-09 01:05:11,793 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 01:05:11,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2018-12-09 01:05:11,797 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2018-12-09 01:05:11,798 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2018-12-09 01:05:11,800 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-12-09 01:05:11,800 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 01:05:11,825 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eb104603-bda5-4dd9-804c-cea619dad90a/bin-2019/utaipan/witness.graphml [2018-12-09 01:05:11,826 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 01:05:11,826 INFO L168 Benchmark]: Toolchain (without parser) took 1792.29 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 957.1 MB in the beginning and 838.1 MB in the end (delta: 118.9 MB). Peak memory consumption was 254.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:05:11,827 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:05:11,827 INFO L168 Benchmark]: CACSL2BoogieTranslator took 285.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. [2018-12-09 01:05:11,828 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:05:11,828 INFO L168 Benchmark]: Boogie Preprocessor took 14.61 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 01:05:11,828 INFO L168 Benchmark]: RCFGBuilder took 178.99 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2018-12-09 01:05:11,829 INFO L168 Benchmark]: TraceAbstraction took 1249.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 838.1 MB in the end (delta: 248.5 MB). Peak memory consumption was 248.5 MB. Max. memory is 11.5 GB. [2018-12-09 01:05:11,829 INFO L168 Benchmark]: Witness Printer took 35.54 ms. Allocated memory is still 1.2 GB. Free memory is still 838.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 01:05:11,831 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 285.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 957.1 MB in the beginning and 1.1 GB in the end (delta: -155.2 MB). Peak memory consumption was 30.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.70 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 14.61 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: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 178.99 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: 18.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1249.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 838.1 MB in the end (delta: 248.5 MB). Peak memory consumption was 248.5 MB. Max. memory is 11.5 GB. * Witness Printer took 35.54 ms. Allocated memory is still 1.2 GB. Free memory is still 838.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: 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 - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 72 locations, 1 error locations. SAFE Result, 1.1s OverallTime, 6 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 341 SDtfs, 482 SDslu, 900 SDs, 0 SdLazy, 107 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 57 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2386occurred 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: 0.1s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 198 NumberOfCodeBlocks, 198 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 192 ConstructedInterpolants, 0 QuantifiedInterpolants, 16395 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 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...