./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.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_5372c398-0e16-4652-86cc-e862a16c2e8b/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_5372c398-0e16-4652-86cc-e862a16c2e8b/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_5372c398-0e16-4652-86cc-e862a16c2e8b/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_5372c398-0e16-4652-86cc-e862a16c2e8b/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_5372c398-0e16-4652-86cc-e862a16c2e8b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_5372c398-0e16-4652-86cc-e862a16c2e8b/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 6e679f9bfc379fa4fbede70512fc16896a5c333e .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 06:17:21,457 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 06:17:21,458 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 06:17:21,464 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 06:17:21,464 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 06:17:21,465 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 06:17:21,466 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 06:17:21,467 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 06:17:21,467 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 06:17:21,468 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 06:17:21,468 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 06:17:21,468 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 06:17:21,469 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 06:17:21,469 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 06:17:21,470 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 06:17:21,470 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 06:17:21,471 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 06:17:21,472 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 06:17:21,473 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 06:17:21,473 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 06:17:21,474 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 06:17:21,474 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 06:17:21,476 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 06:17:21,476 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 06:17:21,476 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 06:17:21,476 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 06:17:21,477 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 06:17:21,477 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 06:17:21,478 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 06:17:21,478 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 06:17:21,478 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 06:17:21,479 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 06:17:21,479 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 06:17:21,479 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 06:17:21,480 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 06:17:21,480 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 06:17:21,480 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_5372c398-0e16-4652-86cc-e862a16c2e8b/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 06:17:21,487 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 06:17:21,487 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 06:17:21,488 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 06:17:21,488 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 06:17:21,488 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 06:17:21,488 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 06:17:21,488 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 06:17:21,489 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 06:17:21,489 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 06:17:21,489 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 06:17:21,489 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 06:17:21,489 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 06:17:21,489 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 06:17:21,490 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 06:17:21,490 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 06:17:21,490 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 06:17:21,490 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 06:17:21,490 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 06:17:21,490 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 06:17:21,490 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 06:17:21,490 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 06:17:21,490 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 06:17:21,491 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 06:17:21,491 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 06:17:21,491 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 06:17:21,491 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 06:17:21,491 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 06:17:21,491 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 06:17:21,491 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 06:17:21,491 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 06:17:21,492 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 06:17:21,492 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 06:17:21,492 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 06:17:21,492 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 06:17:21,492 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 06:17:21,492 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 06:17:21,492 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_5372c398-0e16-4652-86cc-e862a16c2e8b/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 -> 6e679f9bfc379fa4fbede70512fc16896a5c333e [2018-12-03 06:17:21,510 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 06:17:21,516 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 06:17:21,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 06:17:21,519 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 06:17:21,519 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 06:17:21,520 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_5372c398-0e16-4652-86cc-e862a16c2e8b/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-12-03 06:17:21,555 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5372c398-0e16-4652-86cc-e862a16c2e8b/bin-2019/utaipan/data/1c4cf75f6/0e223970e9cf4a64a7494ca45f8b46d4/FLAGfd31703f2 [2018-12-03 06:17:22,025 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 06:17:22,025 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_5372c398-0e16-4652-86cc-e862a16c2e8b/sv-benchmarks/c/eca-rers2012/Problem10_label23_true-unreach-call.c [2018-12-03 06:17:22,034 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_5372c398-0e16-4652-86cc-e862a16c2e8b/bin-2019/utaipan/data/1c4cf75f6/0e223970e9cf4a64a7494ca45f8b46d4/FLAGfd31703f2 [2018-12-03 06:17:22,044 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_5372c398-0e16-4652-86cc-e862a16c2e8b/bin-2019/utaipan/data/1c4cf75f6/0e223970e9cf4a64a7494ca45f8b46d4 [2018-12-03 06:17:22,046 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 06:17:22,047 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 06:17:22,048 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 06:17:22,048 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 06:17:22,050 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 06:17:22,050 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:17:22" (1/1) ... [2018-12-03 06:17:22,052 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56acabfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:17:22, skipping insertion in model container [2018-12-03 06:17:22,052 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 06:17:22" (1/1) ... [2018-12-03 06:17:22,058 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 06:17:22,084 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 06:17:22,257 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:17:22,260 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 06:17:22,344 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 06:17:22,352 INFO L195 MainTranslator]: Completed translation [2018-12-03 06:17:22,353 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:17:22 WrapperNode [2018-12-03 06:17:22,353 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 06:17:22,353 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 06:17:22,353 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 06:17:22,353 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 06:17:22,358 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:17:22" (1/1) ... [2018-12-03 06:17:22,367 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:17:22" (1/1) ... [2018-12-03 06:17:22,371 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 06:17:22,372 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 06:17:22,372 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 06:17:22,372 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 06:17:22,378 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:17:22" (1/1) ... [2018-12-03 06:17:22,378 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:17:22" (1/1) ... [2018-12-03 06:17:22,380 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:17:22" (1/1) ... [2018-12-03 06:17:22,380 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:17:22" (1/1) ... [2018-12-03 06:17:22,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:17:22" (1/1) ... [2018-12-03 06:17:22,401 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:17:22" (1/1) ... [2018-12-03 06:17:22,404 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:17:22" (1/1) ... [2018-12-03 06:17:22,408 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 06:17:22,408 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 06:17:22,408 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 06:17:22,408 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 06:17:22,409 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:17:22" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5372c398-0e16-4652-86cc-e862a16c2e8b/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 [2018-12-03 06:17:22,441 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 06:17:22,441 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 06:17:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 06:17:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 06:17:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 06:17:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 06:17:22,442 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 06:17:22,442 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 06:17:23,050 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 06:17:23,050 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 06:17:23,050 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:17:23 BoogieIcfgContainer [2018-12-03 06:17:23,050 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 06:17:23,051 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 06:17:23,051 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 06:17:23,052 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 06:17:23,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 06:17:22" (1/3) ... [2018-12-03 06:17:23,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322ad09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:17:23, skipping insertion in model container [2018-12-03 06:17:23,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 06:17:22" (2/3) ... [2018-12-03 06:17:23,053 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@322ad09d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 06:17:23, skipping insertion in model container [2018-12-03 06:17:23,053 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:17:23" (3/3) ... [2018-12-03 06:17:23,054 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem10_label23_true-unreach-call.c [2018-12-03 06:17:23,060 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 06:17:23,065 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 06:17:23,075 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 06:17:23,096 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 06:17:23,096 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 06:17:23,096 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 06:17:23,096 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 06:17:23,096 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 06:17:23,096 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 06:17:23,096 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 06:17:23,096 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 06:17:23,110 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states. [2018-12-03 06:17:23,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-03 06:17:23,114 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:17:23,115 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:17:23,116 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:17:23,120 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:17:23,120 INFO L82 PathProgramCache]: Analyzing trace with hash -2063812481, now seen corresponding path program 1 times [2018-12-03 06:17:23,121 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:17:23,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:23,152 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:17:23,152 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:23,152 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:17:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:17:23,287 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:17:23,288 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:17:23,288 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 06:17:23,288 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:17:23,292 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 06:17:23,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 06:17:23,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:17:23,301 INFO L87 Difference]: Start difference. First operand 215 states. Second operand 3 states. [2018-12-03 06:17:23,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:17:23,767 INFO L93 Difference]: Finished difference Result 571 states and 989 transitions. [2018-12-03 06:17:23,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 06:17:23,769 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-12-03 06:17:23,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:17:23,777 INFO L225 Difference]: With dead ends: 571 [2018-12-03 06:17:23,777 INFO L226 Difference]: Without dead ends: 294 [2018-12-03 06:17:23,780 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:17:23,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 294 states. [2018-12-03 06:17:23,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 294 to 294. [2018-12-03 06:17:23,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 294 states. [2018-12-03 06:17:23,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 294 states to 294 states and 446 transitions. [2018-12-03 06:17:23,816 INFO L78 Accepts]: Start accepts. Automaton has 294 states and 446 transitions. Word has length 52 [2018-12-03 06:17:23,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:17:23,816 INFO L480 AbstractCegarLoop]: Abstraction has 294 states and 446 transitions. [2018-12-03 06:17:23,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 06:17:23,816 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 446 transitions. [2018-12-03 06:17:23,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-03 06:17:23,819 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:17:23,819 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:17:23,820 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:17:23,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:17:23,820 INFO L82 PathProgramCache]: Analyzing trace with hash -1911288886, now seen corresponding path program 1 times [2018-12-03 06:17:23,820 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:17:23,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:23,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:17:23,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:23,821 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:17:23,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:17:23,911 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:17:23,911 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:17:23,911 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 06:17:23,911 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:17:23,913 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 06:17:23,913 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 06:17:23,913 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 06:17:23,913 INFO L87 Difference]: Start difference. First operand 294 states and 446 transitions. Second operand 5 states. [2018-12-03 06:17:24,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:17:24,489 INFO L93 Difference]: Finished difference Result 888 states and 1367 transitions. [2018-12-03 06:17:24,489 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 06:17:24,489 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 134 [2018-12-03 06:17:24,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:17:24,494 INFO L225 Difference]: With dead ends: 888 [2018-12-03 06:17:24,494 INFO L226 Difference]: Without dead ends: 600 [2018-12-03 06:17:24,495 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 06:17:24,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 600 states. [2018-12-03 06:17:24,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 600 to 592. [2018-12-03 06:17:24,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 592 states. [2018-12-03 06:17:24,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 867 transitions. [2018-12-03 06:17:24,525 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 867 transitions. Word has length 134 [2018-12-03 06:17:24,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:17:24,526 INFO L480 AbstractCegarLoop]: Abstraction has 592 states and 867 transitions. [2018-12-03 06:17:24,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 06:17:24,526 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 867 transitions. [2018-12-03 06:17:24,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-03 06:17:24,528 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:17:24,529 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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] [2018-12-03 06:17:24,529 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:17:24,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:17:24,530 INFO L82 PathProgramCache]: Analyzing trace with hash 614464170, now seen corresponding path program 1 times [2018-12-03 06:17:24,530 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:17:24,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:24,531 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:17:24,531 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:24,531 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:17:24,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:17:24,644 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:17:24,644 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:17:24,644 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:17:24,644 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:17:24,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:17:24,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:17:24,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:17:24,645 INFO L87 Difference]: Start difference. First operand 592 states and 867 transitions. Second operand 6 states. [2018-12-03 06:17:25,077 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:17:25,077 INFO L93 Difference]: Finished difference Result 1490 states and 2245 transitions. [2018-12-03 06:17:25,077 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 06:17:25,078 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 150 [2018-12-03 06:17:25,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:17:25,081 INFO L225 Difference]: With dead ends: 1490 [2018-12-03 06:17:25,081 INFO L226 Difference]: Without dead ends: 904 [2018-12-03 06:17:25,082 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 06:17:25,083 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 904 states. [2018-12-03 06:17:25,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 904 to 890. [2018-12-03 06:17:25,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 890 states. [2018-12-03 06:17:25,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 890 states and 1300 transitions. [2018-12-03 06:17:25,100 INFO L78 Accepts]: Start accepts. Automaton has 890 states and 1300 transitions. Word has length 150 [2018-12-03 06:17:25,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:17:25,100 INFO L480 AbstractCegarLoop]: Abstraction has 890 states and 1300 transitions. [2018-12-03 06:17:25,100 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:17:25,100 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1300 transitions. [2018-12-03 06:17:25,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-03 06:17:25,102 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:17:25,102 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:17:25,102 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:17:25,102 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:17:25,102 INFO L82 PathProgramCache]: Analyzing trace with hash 628433146, now seen corresponding path program 1 times [2018-12-03 06:17:25,102 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:17:25,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:25,103 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:17:25,103 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:25,103 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:17:25,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:17:25,211 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:17:25,211 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:17:25,211 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 06:17:25,212 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:17:25,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:17:25,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:17:25,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:17:25,213 INFO L87 Difference]: Start difference. First operand 890 states and 1300 transitions. Second operand 6 states. [2018-12-03 06:17:25,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:17:25,696 INFO L93 Difference]: Finished difference Result 2104 states and 3183 transitions. [2018-12-03 06:17:25,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 06:17:25,697 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 174 [2018-12-03 06:17:25,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:17:25,700 INFO L225 Difference]: With dead ends: 2104 [2018-12-03 06:17:25,700 INFO L226 Difference]: Without dead ends: 1220 [2018-12-03 06:17:25,702 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 06:17:25,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1220 states. [2018-12-03 06:17:25,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1220 to 1192. [2018-12-03 06:17:25,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2018-12-03 06:17:25,721 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1616 transitions. [2018-12-03 06:17:25,721 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1616 transitions. Word has length 174 [2018-12-03 06:17:25,722 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:17:25,722 INFO L480 AbstractCegarLoop]: Abstraction has 1192 states and 1616 transitions. [2018-12-03 06:17:25,722 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:17:25,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1616 transitions. [2018-12-03 06:17:25,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-03 06:17:25,724 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:17:25,724 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:17:25,724 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:17:25,724 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:17:25,724 INFO L82 PathProgramCache]: Analyzing trace with hash 880887528, now seen corresponding path program 1 times [2018-12-03 06:17:25,724 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:17:25,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:25,725 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:17:25,725 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:25,725 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:17:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:17:25,955 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:17:25,955 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 06:17:25,956 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 06:17:25,956 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 214 with the following transitions: [2018-12-03 06:17:25,957 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [534], [535], [539], [543], [546], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-03 06:17:25,982 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 06:17:25,982 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 06:17:26,287 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 06:17:26,288 INFO L272 AbstractInterpreter]: Visited 91 different actions 179 times. Merged at 6 different actions 8 times. Never widened. Performed 1689 root evaluator evaluations with a maximum evaluation depth of 16. Performed 1689 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 2 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 06:17:26,292 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:17:26,293 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 06:17:26,293 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 06:17:26,293 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5372c398-0e16-4652-86cc-e862a16c2e8b/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 06:17:26,301 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:17:26,301 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 06:17:26,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:17:26,353 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 06:17:26,425 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:17:26,425 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 06:17:26,550 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 167 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 06:17:26,566 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 06:17:26,566 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-03 06:17:26,566 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 06:17:26,567 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-03 06:17:26,567 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-03 06:17:26,567 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=214, Unknown=0, NotChecked=0, Total=272 [2018-12-03 06:17:26,567 INFO L87 Difference]: Start difference. First operand 1192 states and 1616 transitions. Second operand 15 states. [2018-12-03 06:17:28,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:17:28,752 INFO L93 Difference]: Finished difference Result 3369 states and 4994 transitions. [2018-12-03 06:17:28,752 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2018-12-03 06:17:28,753 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 213 [2018-12-03 06:17:28,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:17:28,760 INFO L225 Difference]: With dead ends: 3369 [2018-12-03 06:17:28,760 INFO L226 Difference]: Without dead ends: 2013 [2018-12-03 06:17:28,762 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 436 SyntacticMatches, 1 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 477 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=517, Invalid=1553, Unknown=0, NotChecked=0, Total=2070 [2018-12-03 06:17:28,764 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2013 states. [2018-12-03 06:17:28,799 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2013 to 1794. [2018-12-03 06:17:28,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1794 states. [2018-12-03 06:17:28,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1794 states to 1794 states and 2319 transitions. [2018-12-03 06:17:28,803 INFO L78 Accepts]: Start accepts. Automaton has 1794 states and 2319 transitions. Word has length 213 [2018-12-03 06:17:28,803 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:17:28,803 INFO L480 AbstractCegarLoop]: Abstraction has 1794 states and 2319 transitions. [2018-12-03 06:17:28,803 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-03 06:17:28,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2319 transitions. [2018-12-03 06:17:28,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-03 06:17:28,806 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:17:28,806 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 06:17:28,806 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:17:28,806 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:17:28,806 INFO L82 PathProgramCache]: Analyzing trace with hash 1030862380, now seen corresponding path program 1 times [2018-12-03 06:17:28,807 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:17:28,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:28,807 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:17:28,807 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:28,807 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:17:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:17:28,866 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-03 06:17:28,866 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:17:28,866 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 06:17:28,866 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:17:28,866 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 06:17:28,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 06:17:28,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 06:17:28,867 INFO L87 Difference]: Start difference. First operand 1794 states and 2319 transitions. Second operand 4 states. [2018-12-03 06:17:29,354 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:17:29,354 INFO L93 Difference]: Finished difference Result 4450 states and 5820 transitions. [2018-12-03 06:17:29,354 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 06:17:29,355 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 227 [2018-12-03 06:17:29,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:17:29,363 INFO L225 Difference]: With dead ends: 4450 [2018-12-03 06:17:29,363 INFO L226 Difference]: Without dead ends: 2666 [2018-12-03 06:17:29,367 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 06:17:29,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2666 states. [2018-12-03 06:17:29,398 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2666 to 1941. [2018-12-03 06:17:29,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1941 states. [2018-12-03 06:17:29,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1941 states to 1941 states and 2382 transitions. [2018-12-03 06:17:29,401 INFO L78 Accepts]: Start accepts. Automaton has 1941 states and 2382 transitions. Word has length 227 [2018-12-03 06:17:29,401 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:17:29,401 INFO L480 AbstractCegarLoop]: Abstraction has 1941 states and 2382 transitions. [2018-12-03 06:17:29,401 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 06:17:29,402 INFO L276 IsEmpty]: Start isEmpty. Operand 1941 states and 2382 transitions. [2018-12-03 06:17:29,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-03 06:17:29,404 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:17:29,404 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:17:29,404 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:17:29,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:17:29,404 INFO L82 PathProgramCache]: Analyzing trace with hash -746901927, now seen corresponding path program 1 times [2018-12-03 06:17:29,404 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:17:29,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:29,405 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:17:29,405 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:29,405 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:17:29,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:17:29,488 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 90 proven. 78 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 06:17:29,488 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 06:17:29,489 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 06:17:29,489 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 231 with the following transitions: [2018-12-03 06:17:29,489 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [602], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-03 06:17:29,493 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 06:17:29,493 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 06:17:29,572 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 06:17:29,572 INFO L272 AbstractInterpreter]: Visited 101 different actions 101 times. Never merged. Never widened. Performed 929 root evaluator evaluations with a maximum evaluation depth of 3. Performed 929 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-03 06:17:29,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:17:29,574 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 06:17:29,807 INFO L227 lantSequenceWeakener]: Weakened 221 states. On average, predicates are now at 73.35% of their original sizes. [2018-12-03 06:17:29,808 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 06:17:29,832 INFO L418 sIntCurrentIteration]: We unified 229 AI predicates to 229 [2018-12-03 06:17:29,832 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 06:17:29,833 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 06:17:29,833 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-12-03 06:17:29,833 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:17:29,833 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 06:17:29,834 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 06:17:29,834 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 06:17:29,834 INFO L87 Difference]: Start difference. First operand 1941 states and 2382 transitions. Second operand 6 states. [2018-12-03 06:17:39,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:17:39,471 INFO L93 Difference]: Finished difference Result 4020 states and 4918 transitions. [2018-12-03 06:17:39,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 06:17:39,472 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 230 [2018-12-03 06:17:39,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:17:39,475 INFO L225 Difference]: With dead ends: 4020 [2018-12-03 06:17:39,475 INFO L226 Difference]: Without dead ends: 2085 [2018-12-03 06:17:39,477 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 230 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 06:17:39,479 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2085 states. [2018-12-03 06:17:39,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2085 to 2084. [2018-12-03 06:17:39,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2084 states. [2018-12-03 06:17:39,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2084 states to 2084 states and 2532 transitions. [2018-12-03 06:17:39,507 INFO L78 Accepts]: Start accepts. Automaton has 2084 states and 2532 transitions. Word has length 230 [2018-12-03 06:17:39,508 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:17:39,508 INFO L480 AbstractCegarLoop]: Abstraction has 2084 states and 2532 transitions. [2018-12-03 06:17:39,508 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 06:17:39,508 INFO L276 IsEmpty]: Start isEmpty. Operand 2084 states and 2532 transitions. [2018-12-03 06:17:39,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-03 06:17:39,511 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:17:39,512 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 06:17:39,512 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:17:39,512 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:17:39,512 INFO L82 PathProgramCache]: Analyzing trace with hash -1693644177, now seen corresponding path program 1 times [2018-12-03 06:17:39,512 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:17:39,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:39,513 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:17:39,513 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:17:39,513 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:17:39,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:17:39,914 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 146 proven. 245 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 06:17:39,914 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 06:17:39,914 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 06:17:39,915 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 346 with the following transitions: [2018-12-03 06:17:39,915 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [325], [327], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [546], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [602], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [667], [671], [675], [678], [792], [796], [805], [809], [811], [816], [817], [818], [820], [821] [2018-12-03 06:17:39,917 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 06:17:39,917 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 06:17:41,127 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 06:17:41,127 INFO L272 AbstractInterpreter]: Visited 125 different actions 374 times. Merged at 7 different actions 21 times. Never widened. Performed 3931 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3931 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 5 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 06:17:41,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:17:41,129 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 06:17:41,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 06:17:41,129 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_5372c398-0e16-4652-86cc-e862a16c2e8b/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 06:17:41,136 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:17:41,136 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 06:17:41,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:17:41,183 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 06:18:00,620 WARN L180 SmtUtils]: Spent 19.33 s on a formula simplification. DAG size of input: 184 DAG size of output: 53 [2018-12-03 06:18:00,879 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 323 proven. 26 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-03 06:18:00,880 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 06:18:01,251 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 9 [2018-12-03 06:18:01,294 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 26 [2018-12-03 06:18:01,429 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:01,468 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:01,523 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:01,590 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:01,628 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:01,672 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:01,709 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:01,748 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:01,789 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:01,834 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:01,875 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:01,914 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:01,952 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:01,988 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,030 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,070 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,114 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,153 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,192 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,232 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,272 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,317 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,358 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,395 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,434 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,478 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,518 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,558 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,598 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,639 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,679 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,720 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,759 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,798 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,838 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,875 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,920 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:02,960 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,004 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,044 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,092 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,137 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,175 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,213 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,252 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,290 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,334 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,372 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,409 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,448 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,486 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,521 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,566 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,609 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,646 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,684 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,720 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,762 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,803 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,843 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,881 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,921 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,961 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:03,999 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,037 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,076 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,115 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,155 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,195 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,237 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,278 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,314 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,355 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,399 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,443 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,481 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,523 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,565 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,606 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,651 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,691 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,733 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,773 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,823 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,872 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,908 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,946 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:04,986 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,030 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,069 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,109 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,150 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,191 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,230 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,268 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,314 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,354 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,392 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,429 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,465 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,503 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,538 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,575 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,612 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,648 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,689 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,727 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:05,766 WARN L138 XnfTransformerHelper]: expecting exponential blowup for input size 12 [2018-12-03 06:18:06,174 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 143 proven. 248 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 06:18:06,189 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 06:18:06,190 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 9, 9] total 26 [2018-12-03 06:18:06,190 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 06:18:06,190 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2018-12-03 06:18:06,190 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2018-12-03 06:18:06,191 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=110, Invalid=540, Unknown=0, NotChecked=0, Total=650 [2018-12-03 06:18:06,191 INFO L87 Difference]: Start difference. First operand 2084 states and 2532 transitions. Second operand 19 states. [2018-12-03 06:18:07,081 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 44 [2018-12-03 06:18:21,964 WARN L180 SmtUtils]: Spent 11.59 s on a formula simplification. DAG size of input: 94 DAG size of output: 77 [2018-12-03 06:18:24,080 WARN L180 SmtUtils]: Spent 1.24 s on a formula simplification. DAG size of input: 105 DAG size of output: 38 [2018-12-03 06:18:25,304 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:18:25,304 INFO L93 Difference]: Finished difference Result 5275 states and 6932 transitions. [2018-12-03 06:18:25,305 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-12-03 06:18:25,305 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 345 [2018-12-03 06:18:25,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:18:25,311 INFO L225 Difference]: With dead ends: 5275 [2018-12-03 06:18:25,311 INFO L226 Difference]: Without dead ends: 3340 [2018-12-03 06:18:25,314 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 779 GetRequests, 602 SyntacticMatches, 110 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3199 ImplicationChecksByTransitivity, 39.2s TimeCoverageRelationStatistics Valid=970, Invalid=3722, Unknown=0, NotChecked=0, Total=4692 [2018-12-03 06:18:25,316 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3340 states. [2018-12-03 06:18:25,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3340 to 3121. [2018-12-03 06:18:25,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3121 states. [2018-12-03 06:18:25,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 3121 states and 3866 transitions. [2018-12-03 06:18:25,368 INFO L78 Accepts]: Start accepts. Automaton has 3121 states and 3866 transitions. Word has length 345 [2018-12-03 06:18:25,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:18:25,369 INFO L480 AbstractCegarLoop]: Abstraction has 3121 states and 3866 transitions. [2018-12-03 06:18:25,369 INFO L481 AbstractCegarLoop]: Interpolant automaton has 19 states. [2018-12-03 06:18:25,369 INFO L276 IsEmpty]: Start isEmpty. Operand 3121 states and 3866 transitions. [2018-12-03 06:18:25,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-12-03 06:18:25,374 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 06:18:25,374 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 06:18:25,374 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 06:18:25,375 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 06:18:25,375 INFO L82 PathProgramCache]: Analyzing trace with hash 1194015548, now seen corresponding path program 1 times [2018-12-03 06:18:25,375 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 06:18:25,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:18:25,375 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 06:18:25,375 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 06:18:25,375 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 06:18:25,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 06:18:25,478 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 254 trivial. 0 not checked. [2018-12-03 06:18:25,478 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 06:18:25,479 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 06:18:25,479 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 06:18:25,479 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 06:18:25,479 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 06:18:25,479 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:18:25,480 INFO L87 Difference]: Start difference. First operand 3121 states and 3866 transitions. Second operand 3 states. [2018-12-03 06:18:25,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 06:18:25,841 INFO L93 Difference]: Finished difference Result 4134 states and 5231 transitions. [2018-12-03 06:18:25,842 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 06:18:25,842 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 364 [2018-12-03 06:18:25,842 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 06:18:25,842 INFO L225 Difference]: With dead ends: 4134 [2018-12-03 06:18:25,842 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 06:18:25,846 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 06:18:25,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 06:18:25,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 06:18:25,846 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 06:18:25,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 06:18:25,846 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 364 [2018-12-03 06:18:25,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 06:18:25,846 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 06:18:25,846 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 06:18:25,846 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 06:18:25,847 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 06:18:25,849 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 06:18:25,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:25,903 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:25,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:25,922 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:25,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:25,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:25,929 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:25,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:25,933 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:25,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:25,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:25,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:25,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:25,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:25,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:26,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:26,031 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 242 DAG size of output: 199 [2018-12-03 06:18:26,036 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:26,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:26,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:26,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:26,043 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:26,046 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:26,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:26,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:26,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:26,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:26,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:26,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:26,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 06:18:26,134 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 245 DAG size of output: 202 [2018-12-03 06:18:26,497 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 40 [2018-12-03 06:18:26,790 WARN L180 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 207 DAG size of output: 40 [2018-12-03 06:18:27,066 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 210 DAG size of output: 40 [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)) [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-03 06:18:27,068 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,069 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-03 06:18:27,070 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,071 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2018-12-03 06:18:27,072 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-03 06:18:27,073 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 574) the Hoare annotation is: (let ((.cse0 (= 7 |old(~a19~0)|)) (.cse5 (= 10 |old(~a19~0)|)) (.cse1 (< 1 |old(~a10~0)|)) (.cse2 (not (= 14 ~a4~0))) (.cse3 (not (= 0 ~a12~0))) (.cse4 (and (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0) (= ~a1~0 |old(~a1~0)|)))) (and (or (or .cse0 .cse1) .cse2 .cse3 .cse4) (or (or .cse0 .cse5) .cse2 .cse3 .cse4) (or (or .cse5 (not (= 2 |old(~a10~0)|))) .cse4 .cse2 .cse3) (or .cse1 (< (+ |old(~a1~0)| 12) 0) .cse2 .cse3 .cse4))) [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2018-12-03 06:18:27,074 INFO L448 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,075 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 142) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a19~0 9) (= ~a10~0 0) (= ~a12~0 0) (= ~a1~0 23) (= ~a4~0 14)) [2018-12-03 06:18:27,076 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 06:18:27,076 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 576 592) the Hoare annotation is: (or (not (= 14 ~a4~0)) (not (= 23 |old(~a1~0)|)) (and (= ~a1~0 23) (= ~a19~0 |old(~a19~0)|) (= |old(~a10~0)| ~a10~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|))) [2018-12-03 06:18:27,076 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 576 592) no Hoare annotation was computed. [2018-12-03 06:18:27,077 INFO L444 ceAbstractionStarter]: At program point L590(line 590) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 7))) (.cse0 (not (= ~a19~0 10))) (.cse2 (<= ~a10~0 1))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1) (and .cse1 .cse2) (and .cse0 (= 2 ~a10~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (and .cse2 (<= 0 (+ ~a1~0 12))) (not (= 14 ~a4~0)))) [2018-12-03 06:18:27,077 INFO L448 ceAbstractionStarter]: For program point L590-1(line 590) no Hoare annotation was computed. [2018-12-03 06:18:27,077 INFO L448 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2018-12-03 06:18:27,077 INFO L444 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse1 (not (= ~a19~0 7))) (.cse0 (not (= ~a19~0 10))) (.cse2 (<= ~a10~0 1))) (or (not (= 23 |old(~a1~0)|)) (and .cse0 .cse1) (and .cse1 .cse2) (and .cse0 (= 2 ~a10~0)) (not (= 0 ~a12~0)) (not (= 9 |old(~a19~0)|)) (not (= 0 |old(~a10~0)|)) (and .cse2 (<= 0 (+ ~a1~0 12))) (not (= 14 ~a4~0)))) [2018-12-03 06:18:27,077 INFO L448 ceAbstractionStarter]: For program point L582-3(lines 576 592) no Hoare annotation was computed. [2018-12-03 06:18:27,083 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 06:18:27 BoogieIcfgContainer [2018-12-03 06:18:27,083 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 06:18:27,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 06:18:27,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 06:18:27,084 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 06:18:27,084 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 06:17:23" (3/4) ... [2018-12-03 06:18:27,086 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 06:18:27,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 06:18:27,089 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 06:18:27,090 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 06:18:27,095 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 06:18:27,095 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 06:18:27,112 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((!(23 == \old(a1)) || (!(a19 == 10) && !(a19 == 7))) || (!(a19 == 7) && a10 <= 1)) || (!(a19 == 10) && 2 == a10)) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10))) || (a10 <= 1 && 0 <= a1 + 12)) || !(14 == a4) [2018-12-03 06:18:27,153 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_5372c398-0e16-4652-86cc-e862a16c2e8b/bin-2019/utaipan/witness.graphml [2018-12-03 06:18:27,153 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 06:18:27,154 INFO L168 Benchmark]: Toolchain (without parser) took 65107.48 ms. Allocated memory was 1.0 GB in the beginning and 3.5 GB in the end (delta: 2.4 GB). Free memory was 941.6 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-03 06:18:27,154 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 06:18:27,155 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. [2018-12-03 06:18:27,155 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.31 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. [2018-12-03 06:18:27,155 INFO L168 Benchmark]: Boogie Preprocessor took 36.30 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-03 06:18:27,155 INFO L168 Benchmark]: RCFGBuilder took 641.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.0 MB in the end (delta: 107.8 MB). Peak memory consumption was 107.8 MB. Max. memory is 11.5 GB. [2018-12-03 06:18:27,155 INFO L168 Benchmark]: TraceAbstraction took 64032.68 ms. Allocated memory was 1.2 GB in the beginning and 3.5 GB in the end (delta: 2.3 GB). Free memory was 988.0 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-12-03 06:18:27,156 INFO L168 Benchmark]: Witness Printer took 70.00 ms. Allocated memory is still 3.5 GB. Free memory is still 2.3 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 06:18:27,157 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 305.36 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 126.9 MB). Free memory was 941.6 MB in the beginning and 1.1 GB in the end (delta: -161.1 MB). Peak memory consumption was 38.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.31 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 36.30 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 641.91 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 988.0 MB in the end (delta: 107.8 MB). Peak memory consumption was 107.8 MB. Max. memory is 11.5 GB. * TraceAbstraction took 64032.68 ms. Allocated memory was 1.2 GB in the beginning and 3.5 GB in the end (delta: 2.3 GB). Free memory was 988.0 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 70.00 ms. Allocated memory is still 3.5 GB. Free memory is still 2.3 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 142]: 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: 582]: Loop Invariant Derived loop invariant: (((((((!(23 == \old(a1)) || (!(a19 == 10) && !(a19 == 7))) || (!(a19 == 7) && a10 <= 1)) || (!(a19 == 10) && 2 == a10)) || !(0 == a12)) || !(9 == \old(a19))) || !(0 == \old(a10))) || (a10 <= 1 && 0 <= a1 + 12)) || !(14 == a4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 215 locations, 1 error locations. SAFE Result, 63.9s OverallTime, 9 OverallIterations, 4 TraceHistogramMax, 33.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 370 SDtfs, 4915 SDslu, 588 SDs, 0 SdLazy, 9908 SolverSat, 2175 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15.1s Time, PredicateUnifierStatistics: 2 DeclaredPredicates, 1534 GetRequests, 1278 SyntacticMatches, 116 SemanticMatches, 140 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3687 ImplicationChecksByTransitivity, 40.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3121occurred in iteration=8, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 3 AbstIntIterations, 1 AbstIntStrong, 0.9975415414280044 AbsIntWeakeningRatio, 0.11353711790393013 AbsIntAvgWeakeningVarsNumRemoved, 15.458515283842795 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 1214 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 96 PreInvPairs, 158 NumberOfFragments, 278 HoareAnnotationTreeSize, 96 FomulaSimplifications, 32489 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12060 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 25.9s InterpolantComputationTime, 2447 NumberOfCodeBlocks, 2447 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2992 ConstructedInterpolants, 124 QuantifiedInterpolants, 8456708 SizeOfPredicates, 9 NumberOfNonLiveVariables, 945 ConjunctsInSsa, 27 ConjunctsInUnsatCore, 13 InterpolantComputations, 6 PerfectInterpolantSequences, 1958/2561 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...