./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.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_da883610-cc87-43f0-b04d-2107a50078b5/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_da883610-cc87-43f0-b04d-2107a50078b5/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_da883610-cc87-43f0-b04d-2107a50078b5/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_da883610-cc87-43f0-b04d-2107a50078b5/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_da883610-cc87-43f0-b04d-2107a50078b5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_da883610-cc87-43f0-b04d-2107a50078b5/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 7013b5440d15c52781747fe18e114861ef321ee3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 02:24:46,465 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 02:24:46,466 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 02:24:46,472 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 02:24:46,472 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 02:24:46,473 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 02:24:46,473 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 02:24:46,474 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 02:24:46,475 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 02:24:46,475 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 02:24:46,476 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 02:24:46,476 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 02:24:46,476 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 02:24:46,477 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 02:24:46,477 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 02:24:46,477 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 02:24:46,478 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 02:24:46,479 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 02:24:46,480 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 02:24:46,480 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 02:24:46,481 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 02:24:46,481 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 02:24:46,482 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 02:24:46,483 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 02:24:46,483 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 02:24:46,483 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 02:24:46,484 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 02:24:46,484 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 02:24:46,484 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 02:24:46,485 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 02:24:46,485 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 02:24:46,485 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 02:24:46,485 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 02:24:46,486 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 02:24:46,486 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 02:24:46,486 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 02:24:46,486 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_da883610-cc87-43f0-b04d-2107a50078b5/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 02:24:46,493 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 02:24:46,494 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 02:24:46,494 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 02:24:46,494 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 02:24:46,494 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 02:24:46,494 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 02:24:46,495 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 02:24:46,495 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 02:24:46,495 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 02:24:46,495 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 02:24:46,495 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 02:24:46,495 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 02:24:46,495 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 02:24:46,495 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 02:24:46,496 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 02:24:46,496 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 02:24:46,496 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 02:24:46,496 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 02:24:46,496 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 02:24:46,496 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 02:24:46,496 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 02:24:46,496 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 02:24:46,496 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 02:24:46,496 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 02:24:46,496 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 02:24:46,497 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 02:24:46,497 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 02:24:46,497 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 02:24:46,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 02:24:46,497 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 02:24:46,497 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 02:24:46,497 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 02:24:46,497 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 02:24:46,497 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 02:24:46,497 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 02:24:46,497 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 02:24:46,498 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_da883610-cc87-43f0-b04d-2107a50078b5/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 -> 7013b5440d15c52781747fe18e114861ef321ee3 [2018-12-03 02:24:46,515 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 02:24:46,524 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 02:24:46,526 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 02:24:46,528 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 02:24:46,528 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 02:24:46,528 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_da883610-cc87-43f0-b04d-2107a50078b5/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c [2018-12-03 02:24:46,575 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da883610-cc87-43f0-b04d-2107a50078b5/bin-2019/utaipan/data/3eef9fd57/335545f6ca9547eeb07764ac2c3a7729/FLAG564481e1b [2018-12-03 02:24:46,999 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 02:24:47,000 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_da883610-cc87-43f0-b04d-2107a50078b5/sv-benchmarks/c/eca-rers2012/Problem02_label54_true-unreach-call_false-termination.c [2018-12-03 02:24:47,007 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_da883610-cc87-43f0-b04d-2107a50078b5/bin-2019/utaipan/data/3eef9fd57/335545f6ca9547eeb07764ac2c3a7729/FLAG564481e1b [2018-12-03 02:24:47,015 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_da883610-cc87-43f0-b04d-2107a50078b5/bin-2019/utaipan/data/3eef9fd57/335545f6ca9547eeb07764ac2c3a7729 [2018-12-03 02:24:47,017 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 02:24:47,018 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 02:24:47,018 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 02:24:47,018 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 02:24:47,020 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 02:24:47,020 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:24:47" (1/1) ... [2018-12-03 02:24:47,022 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:47, skipping insertion in model container [2018-12-03 02:24:47,023 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 02:24:47" (1/1) ... [2018-12-03 02:24:47,028 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 02:24:47,056 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 02:24:47,227 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:24:47,230 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 02:24:47,319 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 02:24:47,328 INFO L195 MainTranslator]: Completed translation [2018-12-03 02:24:47,328 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:47 WrapperNode [2018-12-03 02:24:47,329 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 02:24:47,329 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 02:24:47,329 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 02:24:47,329 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 02:24:47,334 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:47" (1/1) ... [2018-12-03 02:24:47,342 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:47" (1/1) ... [2018-12-03 02:24:47,346 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 02:24:47,347 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 02:24:47,347 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 02:24:47,347 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 02:24:47,352 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:47" (1/1) ... [2018-12-03 02:24:47,352 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:47" (1/1) ... [2018-12-03 02:24:47,354 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:47" (1/1) ... [2018-12-03 02:24:47,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:47" (1/1) ... [2018-12-03 02:24:47,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:47" (1/1) ... [2018-12-03 02:24:47,376 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:47" (1/1) ... [2018-12-03 02:24:47,378 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:47" (1/1) ... [2018-12-03 02:24:47,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 02:24:47,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 02:24:47,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 02:24:47,382 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 02:24:47,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:47" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da883610-cc87-43f0-b04d-2107a50078b5/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 02:24:47,413 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 02:24:47,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 02:24:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 02:24:47,414 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 02:24:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 02:24:47,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 02:24:47,414 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 02:24:47,414 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 02:24:47,876 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 02:24:47,876 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 02:24:47,876 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:24:47 BoogieIcfgContainer [2018-12-03 02:24:47,876 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 02:24:47,877 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 02:24:47,877 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 02:24:47,879 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 02:24:47,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 02:24:47" (1/3) ... [2018-12-03 02:24:47,879 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a622553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:24:47, skipping insertion in model container [2018-12-03 02:24:47,879 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 02:24:47" (2/3) ... [2018-12-03 02:24:47,880 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a622553 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 02:24:47, skipping insertion in model container [2018-12-03 02:24:47,880 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:24:47" (3/3) ... [2018-12-03 02:24:47,881 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label54_true-unreach-call_false-termination.c [2018-12-03 02:24:47,887 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 02:24:47,892 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 02:24:47,901 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 02:24:47,921 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 02:24:47,922 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 02:24:47,922 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 02:24:47,922 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 02:24:47,922 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 02:24:47,922 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 02:24:47,922 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 02:24:47,922 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 02:24:47,935 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-12-03 02:24:47,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-03 02:24:47,941 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:24:47,942 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, 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 02:24:47,943 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:24:47,947 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:24:47,947 INFO L82 PathProgramCache]: Analyzing trace with hash -1789175463, now seen corresponding path program 1 times [2018-12-03 02:24:47,948 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:24:47,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:47,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:24:47,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:47,978 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:24:48,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:24:48,190 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 02:24:48,192 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:24:48,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 02:24:48,193 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:24:48,197 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:24:48,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:24:48,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:24:48,210 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-12-03 02:24:48,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:24:48,630 INFO L93 Difference]: Finished difference Result 618 states and 1056 transitions. [2018-12-03 02:24:48,630 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:24:48,632 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 107 [2018-12-03 02:24:48,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:24:48,642 INFO L225 Difference]: With dead ends: 618 [2018-12-03 02:24:48,642 INFO L226 Difference]: Without dead ends: 320 [2018-12-03 02:24:48,646 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 02:24:48,658 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 320 states. [2018-12-03 02:24:48,687 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 320 to 320. [2018-12-03 02:24:48,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 320 states. [2018-12-03 02:24:48,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 320 states and 465 transitions. [2018-12-03 02:24:48,690 INFO L78 Accepts]: Start accepts. Automaton has 320 states and 465 transitions. Word has length 107 [2018-12-03 02:24:48,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:24:48,691 INFO L480 AbstractCegarLoop]: Abstraction has 320 states and 465 transitions. [2018-12-03 02:24:48,691 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:24:48,691 INFO L276 IsEmpty]: Start isEmpty. Operand 320 states and 465 transitions. [2018-12-03 02:24:48,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2018-12-03 02:24:48,694 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:24:48,694 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:24:48,695 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:24:48,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:24:48,695 INFO L82 PathProgramCache]: Analyzing trace with hash -1651920546, now seen corresponding path program 1 times [2018-12-03 02:24:48,695 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:24:48,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:48,696 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:24:48,696 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:48,696 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:24:48,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:24:48,764 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:24:48,764 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:24:48,765 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 02:24:48,765 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:24:48,766 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:24:48,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:24:48,766 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:24:48,766 INFO L87 Difference]: Start difference. First operand 320 states and 465 transitions. Second operand 3 states. [2018-12-03 02:24:49,048 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:24:49,048 INFO L93 Difference]: Finished difference Result 923 states and 1364 transitions. [2018-12-03 02:24:49,049 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:24:49,049 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2018-12-03 02:24:49,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:24:49,053 INFO L225 Difference]: With dead ends: 923 [2018-12-03 02:24:49,053 INFO L226 Difference]: Without dead ends: 609 [2018-12-03 02:24:49,055 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 02:24:49,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 609 states. [2018-12-03 02:24:49,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 609 to 609. [2018-12-03 02:24:49,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 609 states. [2018-12-03 02:24:49,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 609 states and 848 transitions. [2018-12-03 02:24:49,077 INFO L78 Accepts]: Start accepts. Automaton has 609 states and 848 transitions. Word has length 115 [2018-12-03 02:24:49,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:24:49,078 INFO L480 AbstractCegarLoop]: Abstraction has 609 states and 848 transitions. [2018-12-03 02:24:49,078 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:24:49,078 INFO L276 IsEmpty]: Start isEmpty. Operand 609 states and 848 transitions. [2018-12-03 02:24:49,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-03 02:24:49,080 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:24:49,080 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 02:24:49,081 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:24:49,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:24:49,081 INFO L82 PathProgramCache]: Analyzing trace with hash -1194422463, now seen corresponding path program 1 times [2018-12-03 02:24:49,081 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:24:49,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:49,082 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:24:49,082 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:49,082 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:24:49,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:24:49,188 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:24:49,188 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:24:49,188 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 02:24:49,188 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:24:49,189 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:24:49,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:24:49,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:24:49,189 INFO L87 Difference]: Start difference. First operand 609 states and 848 transitions. Second operand 6 states. [2018-12-03 02:24:49,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:24:49,575 INFO L93 Difference]: Finished difference Result 1839 states and 2692 transitions. [2018-12-03 02:24:49,575 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:24:49,575 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-12-03 02:24:49,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:24:49,582 INFO L225 Difference]: With dead ends: 1839 [2018-12-03 02:24:49,582 INFO L226 Difference]: Without dead ends: 1236 [2018-12-03 02:24:49,584 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 02:24:49,585 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1236 states. [2018-12-03 02:24:49,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1236 to 1213. [2018-12-03 02:24:49,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1213 states. [2018-12-03 02:24:49,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1213 states to 1213 states and 1689 transitions. [2018-12-03 02:24:49,624 INFO L78 Accepts]: Start accepts. Automaton has 1213 states and 1689 transitions. Word has length 129 [2018-12-03 02:24:49,624 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:24:49,624 INFO L480 AbstractCegarLoop]: Abstraction has 1213 states and 1689 transitions. [2018-12-03 02:24:49,624 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:24:49,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1213 states and 1689 transitions. [2018-12-03 02:24:49,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-03 02:24:49,628 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:24:49,628 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, 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, 1] [2018-12-03 02:24:49,629 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:24:49,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:24:49,629 INFO L82 PathProgramCache]: Analyzing trace with hash -1695944947, now seen corresponding path program 1 times [2018-12-03 02:24:49,629 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:24:49,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:49,630 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:24:49,630 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:49,630 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:24:49,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:24:49,706 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:24:49,707 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 02:24:49,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 02:24:49,707 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:24:49,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:24:49,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:24:49,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:24:49,707 INFO L87 Difference]: Start difference. First operand 1213 states and 1689 transitions. Second operand 6 states. [2018-12-03 02:24:50,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:24:50,219 INFO L93 Difference]: Finished difference Result 3045 states and 4314 transitions. [2018-12-03 02:24:50,219 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:24:50,220 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 135 [2018-12-03 02:24:50,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:24:50,225 INFO L225 Difference]: With dead ends: 3045 [2018-12-03 02:24:50,226 INFO L226 Difference]: Without dead ends: 1838 [2018-12-03 02:24:50,227 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 02:24:50,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2018-12-03 02:24:50,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1817. [2018-12-03 02:24:50,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1817 states. [2018-12-03 02:24:50,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1817 states to 1817 states and 2438 transitions. [2018-12-03 02:24:50,262 INFO L78 Accepts]: Start accepts. Automaton has 1817 states and 2438 transitions. Word has length 135 [2018-12-03 02:24:50,262 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:24:50,262 INFO L480 AbstractCegarLoop]: Abstraction has 1817 states and 2438 transitions. [2018-12-03 02:24:50,262 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:24:50,262 INFO L276 IsEmpty]: Start isEmpty. Operand 1817 states and 2438 transitions. [2018-12-03 02:24:50,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-03 02:24:50,265 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:24:50,265 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1] [2018-12-03 02:24:50,265 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:24:50,265 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:24:50,265 INFO L82 PathProgramCache]: Analyzing trace with hash 1552967928, now seen corresponding path program 1 times [2018-12-03 02:24:50,266 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:24:50,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:50,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:24:50,266 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:50,266 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:24:50,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:24:50,401 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 25 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:24:50,401 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:24:50,401 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:24:50,401 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 143 with the following transitions: [2018-12-03 02:24:50,403 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 02:24:50,433 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:24:50,433 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:24:50,887 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:24:50,887 INFO L272 AbstractInterpreter]: Visited 112 different actions 329 times. Merged at 6 different actions 15 times. Never widened. Performed 4021 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4021 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-03 02:24:50,892 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:24:50,893 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:24:50,893 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:24:50,893 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da883610-cc87-43f0-b04d-2107a50078b5/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 02:24:50,902 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:24:50,902 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:24:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:24:50,957 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:24:51,025 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-03 02:24:51,025 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:24:51,084 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-03 02:24:51,103 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:24:51,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [9] total 10 [2018-12-03 02:24:51,103 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:24:51,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:24:51,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:24:51,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:24:51,104 INFO L87 Difference]: Start difference. First operand 1817 states and 2438 transitions. Second operand 3 states. [2018-12-03 02:24:51,474 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:24:51,474 INFO L93 Difference]: Finished difference Result 4646 states and 6306 transitions. [2018-12-03 02:24:51,475 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:24:51,475 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 142 [2018-12-03 02:24:51,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:24:51,481 INFO L225 Difference]: With dead ends: 4646 [2018-12-03 02:24:51,482 INFO L226 Difference]: Without dead ends: 1658 [2018-12-03 02:24:51,487 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 295 GetRequests, 284 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-03 02:24:51,489 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1658 states. [2018-12-03 02:24:51,521 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1658 to 1658. [2018-12-03 02:24:51,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1658 states. [2018-12-03 02:24:51,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1658 states to 1658 states and 2145 transitions. [2018-12-03 02:24:51,526 INFO L78 Accepts]: Start accepts. Automaton has 1658 states and 2145 transitions. Word has length 142 [2018-12-03 02:24:51,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:24:51,526 INFO L480 AbstractCegarLoop]: Abstraction has 1658 states and 2145 transitions. [2018-12-03 02:24:51,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:24:51,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1658 states and 2145 transitions. [2018-12-03 02:24:51,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-03 02:24:51,529 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:24:51,529 INFO L402 BasicCegarLoop]: trace histogram [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, 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 02:24:51,529 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:24:51,529 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:24:51,529 INFO L82 PathProgramCache]: Analyzing trace with hash -1301222022, now seen corresponding path program 1 times [2018-12-03 02:24:51,530 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:24:51,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:51,530 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:24:51,530 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:51,530 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:24:51,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:24:51,665 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:24:51,665 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:24:51,665 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:24:51,666 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-12-03 02:24:51,666 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 02:24:51,669 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:24:51,669 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:24:51,747 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:24:51,747 INFO L272 AbstractInterpreter]: Visited 108 different actions 108 times. Never merged. Never widened. Performed 1234 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1234 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-12-03 02:24:51,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:24:51,749 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:24:51,931 INFO L227 lantSequenceWeakener]: Weakened 139 states. On average, predicates are now at 80.73% of their original sizes. [2018-12-03 02:24:51,931 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:24:51,957 INFO L418 sIntCurrentIteration]: We unified 147 AI predicates to 147 [2018-12-03 02:24:51,957 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:24:51,958 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:24:51,958 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-03 02:24:51,958 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:24:51,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 02:24:51,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 02:24:51,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 02:24:51,959 INFO L87 Difference]: Start difference. First operand 1658 states and 2145 transitions. Second operand 6 states. [2018-12-03 02:24:53,634 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:24:53,634 INFO L93 Difference]: Finished difference Result 3458 states and 4461 transitions. [2018-12-03 02:24:53,634 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 02:24:53,634 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 148 [2018-12-03 02:24:53,634 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:24:53,637 INFO L225 Difference]: With dead ends: 3458 [2018-12-03 02:24:53,637 INFO L226 Difference]: Without dead ends: 1806 [2018-12-03 02:24:53,639 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 148 GetRequests, 143 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 02:24:53,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1806 states. [2018-12-03 02:24:53,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1806 to 1804. [2018-12-03 02:24:53,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1804 states. [2018-12-03 02:24:53,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1804 states and 2302 transitions. [2018-12-03 02:24:53,661 INFO L78 Accepts]: Start accepts. Automaton has 1804 states and 2302 transitions. Word has length 148 [2018-12-03 02:24:53,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:24:53,661 INFO L480 AbstractCegarLoop]: Abstraction has 1804 states and 2302 transitions. [2018-12-03 02:24:53,661 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 02:24:53,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2302 transitions. [2018-12-03 02:24:53,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-03 02:24:53,663 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:24:53,663 INFO L402 BasicCegarLoop]: trace histogram [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, 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 02:24:53,663 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:24:53,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:24:53,663 INFO L82 PathProgramCache]: Analyzing trace with hash -1564908668, now seen corresponding path program 1 times [2018-12-03 02:24:53,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:24:53,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:53,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:24:53,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:53,664 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:24:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:24:53,712 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 46 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 02:24:53,712 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:24:53,712 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:24:53,713 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-12-03 02:24:53,713 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [99], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 02:24:53,715 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:24:53,715 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:24:53,846 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 02:24:53,846 INFO L272 AbstractInterpreter]: Visited 112 different actions 329 times. Merged at 6 different actions 15 times. Never widened. Performed 3952 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3952 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-03 02:24:53,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:24:53,847 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 02:24:53,848 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:24:53,848 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_da883610-cc87-43f0-b04d-2107a50078b5/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 02:24:53,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:24:53,853 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 02:24:53,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:24:53,896 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 02:24:53,924 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-03 02:24:53,925 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 02:24:53,964 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-03 02:24:53,979 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:24:53,980 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-12-03 02:24:53,980 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:24:53,980 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 02:24:53,980 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 02:24:53,980 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-03 02:24:53,980 INFO L87 Difference]: Start difference. First operand 1804 states and 2302 transitions. Second operand 3 states. [2018-12-03 02:24:54,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:24:54,272 INFO L93 Difference]: Finished difference Result 4187 states and 5400 transitions. [2018-12-03 02:24:54,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 02:24:54,273 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2018-12-03 02:24:54,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:24:54,279 INFO L225 Difference]: With dead ends: 4187 [2018-12-03 02:24:54,279 INFO L226 Difference]: Without dead ends: 2389 [2018-12-03 02:24:54,283 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 295 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-03 02:24:54,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2389 states. [2018-12-03 02:24:54,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2389 to 2099. [2018-12-03 02:24:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2099 states. [2018-12-03 02:24:54,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 2099 states and 2592 transitions. [2018-12-03 02:24:54,325 INFO L78 Accepts]: Start accepts. Automaton has 2099 states and 2592 transitions. Word has length 148 [2018-12-03 02:24:54,326 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:24:54,326 INFO L480 AbstractCegarLoop]: Abstraction has 2099 states and 2592 transitions. [2018-12-03 02:24:54,326 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 02:24:54,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2592 transitions. [2018-12-03 02:24:54,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-03 02:24:54,330 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 02:24:54,330 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 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, 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 02:24:54,331 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 02:24:54,331 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:24:54,331 INFO L82 PathProgramCache]: Analyzing trace with hash 318687211, now seen corresponding path program 1 times [2018-12-03 02:24:54,331 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 02:24:54,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:54,332 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 02:24:54,332 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 02:24:54,332 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 02:24:54,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 02:24:54,415 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 46 proven. 16 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 02:24:54,416 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 02:24:54,416 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 02:24:54,416 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 158 with the following transitions: [2018-12-03 02:24:54,416 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [119], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [535], [537], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-12-03 02:24:54,418 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 02:24:54,419 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 02:24:54,542 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 02:24:54,542 INFO L272 AbstractInterpreter]: Visited 112 different actions 331 times. Merged at 6 different actions 15 times. Never widened. Performed 3864 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3864 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 3 different actions. Largest state had 38 variables. [2018-12-03 02:24:54,543 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 02:24:54,543 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 02:24:54,646 INFO L227 lantSequenceWeakener]: Weakened 154 states. On average, predicates are now at 84.36% of their original sizes. [2018-12-03 02:24:54,646 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 02:24:54,689 INFO L418 sIntCurrentIteration]: We unified 156 AI predicates to 156 [2018-12-03 02:24:54,689 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 02:24:54,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 02:24:54,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-12-03 02:24:54,689 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 02:24:54,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 02:24:54,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 02:24:54,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 02:24:54,690 INFO L87 Difference]: Start difference. First operand 2099 states and 2592 transitions. Second operand 9 states. [2018-12-03 02:24:56,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 02:24:56,802 INFO L93 Difference]: Finished difference Result 4378 states and 5351 transitions. [2018-12-03 02:24:56,802 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-03 02:24:56,802 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 157 [2018-12-03 02:24:56,803 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 02:24:56,803 INFO L225 Difference]: With dead ends: 4378 [2018-12-03 02:24:56,803 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 02:24:56,806 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 163 GetRequests, 149 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-03 02:24:56,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 02:24:56,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 02:24:56,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 02:24:56,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 02:24:56,807 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 157 [2018-12-03 02:24:56,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 02:24:56,807 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 02:24:56,807 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 02:24:56,807 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 02:24:56,807 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 02:24:56,810 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 02:24:56,855 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:24:56,860 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:24:56,872 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:24:56,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:24:56,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 02:24:57,332 WARN L180 SmtUtils]: Spent 374.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 68 [2018-12-03 02:24:57,507 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:24:57,507 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a28~0)| ~a28~0) (= |old(~a25~0)| ~a25~0)) [2018-12-03 02:24:57,507 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:24:57,507 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,507 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,507 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,507 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,507 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,507 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-12-03 02:24:57,507 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 475) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-12-03 02:24:57,508 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-12-03 02:24:57,509 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,510 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-12-03 02:24:57,511 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,512 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-12-03 02:24:57,513 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-12-03 02:24:57,514 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-12-03 02:24:57,514 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-12-03 02:24:57,514 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-12-03 02:24:57,514 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-12-03 02:24:57,514 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-12-03 02:24:57,514 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-12-03 02:24:57,514 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,514 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,514 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,514 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse10 (= |old(~a28~0)| ~a28~0)) (.cse12 (= |old(~a25~0)| ~a25~0)) (.cse16 (not (= ~a11~0 1)))) (let ((.cse0 (not (= 1 ~a21~0))) (.cse11 (= ~a17~0 8)) (.cse13 (= ~a19~0 1)) (.cse9 (= 0 |old(~a28~0)|)) (.cse2 (not (= 8 |old(~a17~0)|))) (.cse3 (= |calculate_output_#in~input| 0)) (.cse6 (= 1 |old(~a25~0)|)) (.cse14 (< 7 |old(~a28~0)|)) (.cse5 (and .cse10 .cse12 .cse16)) (.cse8 (= 11 |old(~a28~0)|)) (.cse4 (= 1 |old(~a11~0)|)) (.cse17 (<= ~a17~0 7)) (.cse7 (= 1 ~a19~0)) (.cse1 (not (= 1 |old(~a19~0)|))) (.cse15 (< 7 |old(~a17~0)|))) (and (or .cse0 (not (= 7 |old(~a28~0)|)) (not (= 0 |old(~a11~0)|)) .cse1 .cse2 .cse3 (= ~a11~0 0) (not (= 0 |old(~a25~0)|))) (or .cse4 .cse5 .cse6) (or .cse4 .cse1 .cse7 .cse8) (or .cse0 .cse1 .cse9 (and .cse10 .cse11 .cse12 .cse13) .cse2 .cse3 .cse8) (or .cse14 .cse6 (and .cse10 .cse12)) (or .cse1 .cse8 .cse15 .cse7) (or .cse0 .cse4 (and .cse10 .cse11 .cse12 .cse13 .cse16) .cse1 .cse9 .cse2 .cse3) (or .cse1 (and .cse10 .cse17 .cse7 .cse12) .cse15 .cse6) (or .cse14 .cse1 (and .cse10 .cse7 .cse12)) (or (and .cse10 .cse17 .cse12) .cse8 .cse15) (or .cse4 .cse5 .cse8) (or .cse4 (and .cse10 .cse17 .cse7 .cse12 .cse16) .cse1 .cse15)))) [2018-12-03 02:24:57,514 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,514 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,514 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,514 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-12-03 02:24:57,514 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-12-03 02:24:57,515 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-12-03 02:24:57,516 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-12-03 02:24:57,517 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-12-03 02:24:57,517 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-12-03 02:24:57,517 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-12-03 02:24:57,517 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-12-03 02:24:57,517 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-12-03 02:24:57,517 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-12-03 02:24:57,517 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-12-03 02:24:57,517 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-12-03 02:24:57,517 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-12-03 02:24:57,517 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 02:24:57,517 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-12-03 02:24:57,517 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 02:24:57,517 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 02:24:57,517 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (not (= 0 |old(~a25~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7))) [2018-12-03 02:24:57,517 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse3 (<= ~a17~0 7)) (.cse2 (not (= ~a25~0 1))) (.cse0 (not (= ~a11~0 1))) (.cse5 (<= ~a28~0 7)) (.cse4 (= 1 ~a19~0)) (.cse6 (= ~a17~0 8)) (.cse7 (= ~a19~0 1)) (.cse1 (not (= ~a28~0 11)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1) (not (= 7 |old(~a28~0)|)) (and .cse2 .cse0) (not (= 0 |old(~a11~0)|)) (and .cse3 .cse2 .cse4) (and .cse3 .cse1) (not (= 0 |old(~a25~0)|)) (and .cse3 .cse4 .cse0) (and .cse5 .cse2) (not (= 1 |old(~a19~0)|)) (and .cse6 .cse7 .cse0) (not (= 8 |old(~a17~0)|)) (and .cse5 .cse4) (and .cse6 .cse7 .cse1))) [2018-12-03 02:24:57,517 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-12-03 02:24:57,517 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-12-03 02:24:57,517 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse1 (not (= ~a25~0 1))) (.cse0 (<= ~a28~0 7)) (.cse3 (not (= ~a28~0 11))) (.cse7 (<= ~a17~0 7)) (.cse8 (= 1 ~a19~0)) (.cse4 (not (= main_~input~0 0))) (.cse5 (= ~a17~0 8)) (.cse6 (= ~a19~0 1)) (.cse2 (not (= ~a11~0 1)))) (or (not (= 1 ~a21~0)) (and .cse0 .cse1) (and .cse2 .cse3) (not (= 7 |old(~a28~0)|)) (and .cse1 .cse2) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5 .cse6 .cse3) (and .cse7 .cse1 .cse8) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse0 .cse8) (and .cse7 .cse3) (not (= 0 |old(~a25~0)|)) (and .cse7 .cse8 .cse2) (and .cse4 .cse5 .cse6 .cse2))) [2018-12-03 02:24:57,517 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-12-03 02:24:57,518 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-12-03 02:24:57,525 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 02:24:57 BoogieIcfgContainer [2018-12-03 02:24:57,526 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 02:24:57,526 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 02:24:57,526 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 02:24:57,526 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 02:24:57,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 02:24:47" (3/4) ... [2018-12-03 02:24:57,528 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 02:24:57,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 02:24:57,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 02:24:57,532 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 02:24:57,537 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 02:24:57,537 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 02:24:57,554 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(1 == a21) || (!(a11 == 1) && !(a28 == 11))) || !(7 == \old(a28))) || (!(a25 == 1) && !(a11 == 1))) || !(0 == \old(a11))) || ((a17 <= 7 && !(a25 == 1)) && 1 == a19)) || (a17 <= 7 && !(a28 == 11))) || !(0 == \old(a25))) || ((a17 <= 7 && 1 == a19) && !(a11 == 1))) || (a28 <= 7 && !(a25 == 1))) || !(1 == \old(a19))) || ((a17 == 8 && a19 == 1) && !(a11 == 1))) || !(8 == \old(a17))) || (a28 <= 7 && 1 == a19)) || ((a17 == 8 && a19 == 1) && !(a28 == 11)) [2018-12-03 02:24:57,611 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_da883610-cc87-43f0-b04d-2107a50078b5/bin-2019/utaipan/witness.graphml [2018-12-03 02:24:57,611 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 02:24:57,611 INFO L168 Benchmark]: Toolchain (without parser) took 10594.52 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 592.4 MB). Free memory was 945.9 MB in the beginning and 1.4 GB in the end (delta: -442.0 MB). Peak memory consumption was 150.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:24:57,612 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 02:24:57,612 INFO L168 Benchmark]: CACSL2BoogieTranslator took 310.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -198.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:24:57,613 INFO L168 Benchmark]: Boogie Procedure Inliner took 17.50 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:24:57,613 INFO L168 Benchmark]: Boogie Preprocessor took 34.81 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-03 02:24:57,613 INFO L168 Benchmark]: RCFGBuilder took 494.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. [2018-12-03 02:24:57,614 INFO L168 Benchmark]: TraceAbstraction took 9648.79 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 434.6 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -370.9 MB). Peak memory consumption was 672.9 MB. Max. memory is 11.5 GB. [2018-12-03 02:24:57,614 INFO L168 Benchmark]: Witness Printer took 84.98 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. [2018-12-03 02:24:57,615 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 310.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 157.8 MB). Free memory was 945.9 MB in the beginning and 1.1 GB in the end (delta: -198.4 MB). Peak memory consumption was 40.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 17.50 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.81 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 494.83 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 105.5 MB). Peak memory consumption was 105.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 9648.79 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 434.6 MB). Free memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: -370.9 MB). Peak memory consumption was 672.9 MB. Max. memory is 11.5 GB. * Witness Printer took 84.98 ms. Allocated memory is still 1.6 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 14.9 MB). Peak memory consumption was 14.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 475]: 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: 606]: Loop Invariant Derived loop invariant: (((((((((((((!(1 == a21) || (!(a11 == 1) && !(a28 == 11))) || !(7 == \old(a28))) || (!(a25 == 1) && !(a11 == 1))) || !(0 == \old(a11))) || ((a17 <= 7 && !(a25 == 1)) && 1 == a19)) || (a17 <= 7 && !(a28 == 11))) || !(0 == \old(a25))) || ((a17 <= 7 && 1 == a19) && !(a11 == 1))) || (a28 <= 7 && !(a25 == 1))) || !(1 == \old(a19))) || ((a17 == 8 && a19 == 1) && !(a11 == 1))) || !(8 == \old(a17))) || (a28 <= 7 && 1 == a19)) || ((a17 == 8 && a19 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 9.6s OverallTime, 8 OverallIterations, 4 TraceHistogramMax, 6.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 816 SDtfs, 2491 SDslu, 429 SDs, 0 SdLazy, 3859 SolverSat, 794 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.0s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 936 GetRequests, 880 SyntacticMatches, 7 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 53 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2099occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.8s AbstIntTime, 4 AbstIntIterations, 2 AbstIntStrong, 0.9967076640441431 AbsIntWeakeningRatio, 0.2376237623762376 AbsIntAvgWeakeningVarsNumRemoved, 26.082508250825082 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 8 MinimizatonAttempts, 336 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 93 PreInvPairs, 146 NumberOfFragments, 573 HoareAnnotationTreeSize, 93 FomulaSimplifications, 2176 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1354 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.7s InterpolantComputationTime, 1371 NumberOfCodeBlocks, 1371 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1649 ConstructedInterpolants, 0 QuantifiedInterpolants, 565438 SizeOfPredicates, 4 NumberOfNonLiveVariables, 799 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 8 PerfectInterpolantSequences, 386/428 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...