./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label04_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_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/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 3774d82389353be2170e26cc4e53c0d06e3cb94d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 12:22:58,408 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 12:22:58,409 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 12:22:58,415 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 12:22:58,415 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 12:22:58,415 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 12:22:58,416 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 12:22:58,417 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 12:22:58,418 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 12:22:58,418 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 12:22:58,418 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 12:22:58,419 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 12:22:58,419 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 12:22:58,420 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 12:22:58,420 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 12:22:58,421 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 12:22:58,421 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 12:22:58,422 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 12:22:58,423 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 12:22:58,424 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 12:22:58,424 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 12:22:58,425 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 12:22:58,426 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 12:22:58,426 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 12:22:58,426 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 12:22:58,427 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 12:22:58,427 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 12:22:58,428 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 12:22:58,428 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 12:22:58,429 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 12:22:58,429 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 12:22:58,429 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 12:22:58,430 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 12:22:58,430 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 12:22:58,430 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 12:22:58,431 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 12:22:58,431 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 12:22:58,438 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 12:22:58,438 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 12:22:58,439 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 12:22:58,439 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 12:22:58,439 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 12:22:58,439 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 12:22:58,439 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 12:22:58,439 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 12:22:58,440 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 12:22:58,440 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 12:22:58,440 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 12:22:58,440 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 12:22:58,440 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 12:22:58,440 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 12:22:58,441 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 12:22:58,441 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 12:22:58,441 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 12:22:58,441 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 12:22:58,441 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 12:22:58,441 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 12:22:58,441 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 12:22:58,441 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 12:22:58,442 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 12:22:58,442 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 12:22:58,442 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 12:22:58,442 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 12:22:58,442 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 12:22:58,442 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 12:22:58,442 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:22:58,442 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 12:22:58,443 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 12:22:58,443 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 12:22:58,443 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 12:22:58,443 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 12:22:58,443 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 12:22:58,443 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 12:22:58,443 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_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/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 -> 3774d82389353be2170e26cc4e53c0d06e3cb94d [2018-12-09 12:22:58,461 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 12:22:58,467 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 12:22:58,469 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 12:22:58,470 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 12:22:58,470 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 12:22:58,470 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c [2018-12-09 12:22:58,507 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/bin-2019/utaipan/data/c383aeade/b79e3ad619b04c0e8ef4a0af87e91f25/FLAG976ac3ca0 [2018-12-09 12:22:58,961 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 12:22:58,961 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/sv-benchmarks/c/eca-rers2012/Problem01_label04_true-unreach-call_false-termination.c [2018-12-09 12:22:58,967 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/bin-2019/utaipan/data/c383aeade/b79e3ad619b04c0e8ef4a0af87e91f25/FLAG976ac3ca0 [2018-12-09 12:22:58,976 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/bin-2019/utaipan/data/c383aeade/b79e3ad619b04c0e8ef4a0af87e91f25 [2018-12-09 12:22:58,978 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 12:22:58,979 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 12:22:58,979 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 12:22:58,979 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 12:22:58,981 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 12:22:58,982 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:22:58" (1/1) ... [2018-12-09 12:22:58,983 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:58, skipping insertion in model container [2018-12-09 12:22:58,983 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:22:58" (1/1) ... [2018-12-09 12:22:58,988 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 12:22:59,013 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 12:22:59,203 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:22:59,207 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 12:22:59,312 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 12:22:59,324 INFO L195 MainTranslator]: Completed translation [2018-12-09 12:22:59,325 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59 WrapperNode [2018-12-09 12:22:59,325 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 12:22:59,326 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 12:22:59,326 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 12:22:59,326 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 12:22:59,331 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 12:22:59,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 12:22:59,344 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 12:22:59,345 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 12:22:59,345 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 12:22:59,345 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 12:22:59,351 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 12:22:59,351 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 12:22:59,353 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 12:22:59,354 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 12:22:59,369 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 12:22:59,377 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 12:22:59,379 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... [2018-12-09 12:22:59,381 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 12:22:59,382 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 12:22:59,382 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 12:22:59,382 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 12:22:59,382 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 12:22:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 12:22:59,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 12:22:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 12:22:59,424 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 12:22:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 12:22:59,424 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 12:22:59,424 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 12:22:59,425 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 12:22:59,995 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 12:22:59,995 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 12:22:59,996 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:22:59 BoogieIcfgContainer [2018-12-09 12:22:59,996 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 12:22:59,996 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 12:22:59,996 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 12:22:59,998 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 12:22:59,998 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 12:22:58" (1/3) ... [2018-12-09 12:22:59,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:22:59, skipping insertion in model container [2018-12-09 12:22:59,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:22:59" (2/3) ... [2018-12-09 12:22:59,999 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 12:22:59, skipping insertion in model container [2018-12-09 12:22:59,999 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:22:59" (3/3) ... [2018-12-09 12:23:00,000 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label04_true-unreach-call_false-termination.c [2018-12-09 12:23:00,006 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 12:23:00,011 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 12:23:00,021 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 12:23:00,041 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 12:23:00,041 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 12:23:00,041 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 12:23:00,041 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 12:23:00,041 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 12:23:00,041 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 12:23:00,041 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 12:23:00,041 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 12:23:00,055 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-09 12:23:00,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 12:23:00,061 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:23:00,062 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] [2018-12-09 12:23:00,063 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:23:00,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:00,067 INFO L82 PathProgramCache]: Analyzing trace with hash -756584794, now seen corresponding path program 1 times [2018-12-09 12:23:00,068 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:23:00,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:00,098 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:23:00,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:00,098 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:23:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:23:00,297 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:23:00,298 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:23:00,299 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 12:23:00,299 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:23:00,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 12:23:00,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 12:23:00,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:23:00,312 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-09 12:23:00,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:23:00,706 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-09 12:23:00,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 12:23:00,707 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 102 [2018-12-09 12:23:00,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:23:00,717 INFO L225 Difference]: With dead ends: 547 [2018-12-09 12:23:00,717 INFO L226 Difference]: Without dead ends: 278 [2018-12-09 12:23:00,721 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 12:23:00,733 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-09 12:23:00,762 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-09 12:23:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-09 12:23:00,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 394 transitions. [2018-12-09 12:23:00,766 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 394 transitions. Word has length 102 [2018-12-09 12:23:00,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:23:00,766 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 394 transitions. [2018-12-09 12:23:00,766 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 12:23:00,766 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 394 transitions. [2018-12-09 12:23:00,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-09 12:23:00,769 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:23:00,769 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:23:00,769 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:23:00,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:00,769 INFO L82 PathProgramCache]: Analyzing trace with hash -1399417091, now seen corresponding path program 1 times [2018-12-09 12:23:00,769 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:23:00,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:00,770 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:23:00,770 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:00,770 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:23:00,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:23:00,850 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:23:00,851 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 12:23:00,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 12:23:00,851 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:23:00,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 12:23:00,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 12:23:00,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 12:23:00,853 INFO L87 Difference]: Start difference. First operand 278 states and 394 transitions. Second operand 6 states. [2018-12-09 12:23:01,245 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:23:01,245 INFO L93 Difference]: Finished difference Result 840 states and 1222 transitions. [2018-12-09 12:23:01,245 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 12:23:01,246 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 112 [2018-12-09 12:23:01,246 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:23:01,250 INFO L225 Difference]: With dead ends: 840 [2018-12-09 12:23:01,250 INFO L226 Difference]: Without dead ends: 568 [2018-12-09 12:23:01,251 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 [2018-12-09 12:23:01,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-12-09 12:23:01,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 556. [2018-12-09 12:23:01,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 556 states. [2018-12-09 12:23:01,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 784 transitions. [2018-12-09 12:23:01,272 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 784 transitions. Word has length 112 [2018-12-09 12:23:01,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:23:01,272 INFO L480 AbstractCegarLoop]: Abstraction has 556 states and 784 transitions. [2018-12-09 12:23:01,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 12:23:01,272 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 784 transitions. [2018-12-09 12:23:01,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-12-09 12:23:01,274 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:23:01,274 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 12:23:01,275 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:23:01,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:01,275 INFO L82 PathProgramCache]: Analyzing trace with hash -860010770, now seen corresponding path program 1 times [2018-12-09 12:23:01,275 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:23:01,275 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:01,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:23:01,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:01,276 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:23:01,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:23:01,354 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 12:23:01,354 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:23:01,354 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:23:01,355 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 137 with the following transitions: [2018-12-09 12:23:01,356 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 12:23:01,382 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:23:01,382 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:23:01,729 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 12:23:01,730 INFO L272 AbstractInterpreter]: Visited 106 different actions 205 times. Merged at 3 different actions 3 times. Never widened. Performed 2932 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2932 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 12:23:01,738 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:01,739 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 12:23:01,935 INFO L227 lantSequenceWeakener]: Weakened 133 states. On average, predicates are now at 81.63% of their original sizes. [2018-12-09 12:23:01,935 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 12:23:01,987 INFO L418 sIntCurrentIteration]: We unified 135 AI predicates to 135 [2018-12-09 12:23:01,987 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 12:23:01,987 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:23:01,988 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 12:23:01,988 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:23:01,988 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:23:01,988 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:23:01,988 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:23:01,988 INFO L87 Difference]: Start difference. First operand 556 states and 784 transitions. Second operand 10 states. [2018-12-09 12:23:04,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:23:04,967 INFO L93 Difference]: Finished difference Result 1897 states and 2734 transitions. [2018-12-09 12:23:04,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 12:23:04,967 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 136 [2018-12-09 12:23:04,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:23:04,970 INFO L225 Difference]: With dead ends: 1897 [2018-12-09 12:23:04,970 INFO L226 Difference]: Without dead ends: 1347 [2018-12-09 12:23:04,971 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 145 GetRequests, 127 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 12:23:04,971 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1347 states. [2018-12-09 12:23:04,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1347 to 695. [2018-12-09 12:23:04,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 695 states. [2018-12-09 12:23:04,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 695 states and 935 transitions. [2018-12-09 12:23:04,986 INFO L78 Accepts]: Start accepts. Automaton has 695 states and 935 transitions. Word has length 136 [2018-12-09 12:23:04,986 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:23:04,986 INFO L480 AbstractCegarLoop]: Abstraction has 695 states and 935 transitions. [2018-12-09 12:23:04,986 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:23:04,986 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 935 transitions. [2018-12-09 12:23:04,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 12:23:04,988 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:23:04,988 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:23:04,988 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:23:04,988 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:04,988 INFO L82 PathProgramCache]: Analyzing trace with hash -673496879, now seen corresponding path program 1 times [2018-12-09 12:23:04,988 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:23:04,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:04,989 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:23:04,989 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:04,989 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:23:05,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:23:05,045 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 47 proven. 15 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 12:23:05,045 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:23:05,045 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:23:05,045 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-12-09 12:23:05,046 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 12:23:05,048 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:23:05,048 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:23:05,141 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 12:23:05,141 INFO L272 AbstractInterpreter]: Visited 107 different actions 208 times. Merged at 4 different actions 4 times. Never widened. Performed 2821 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2821 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 12:23:05,143 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:05,143 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 12:23:05,245 INFO L227 lantSequenceWeakener]: Weakened 145 states. On average, predicates are now at 81.6% of their original sizes. [2018-12-09 12:23:05,245 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 12:23:05,292 INFO L418 sIntCurrentIteration]: We unified 147 AI predicates to 147 [2018-12-09 12:23:05,292 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 12:23:05,292 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:23:05,293 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 12:23:05,293 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:23:05,293 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:23:05,293 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:23:05,293 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:23:05,293 INFO L87 Difference]: Start difference. First operand 695 states and 935 transitions. Second operand 10 states. [2018-12-09 12:23:07,385 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:23:07,385 INFO L93 Difference]: Finished difference Result 1658 states and 2197 transitions. [2018-12-09 12:23:07,385 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 12:23:07,385 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 148 [2018-12-09 12:23:07,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:23:07,388 INFO L225 Difference]: With dead ends: 1658 [2018-12-09 12:23:07,388 INFO L226 Difference]: Without dead ends: 969 [2018-12-09 12:23:07,390 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 155 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 12:23:07,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 969 states. [2018-12-09 12:23:07,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 969 to 967. [2018-12-09 12:23:07,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 967 states. [2018-12-09 12:23:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 967 states to 967 states and 1232 transitions. [2018-12-09 12:23:07,411 INFO L78 Accepts]: Start accepts. Automaton has 967 states and 1232 transitions. Word has length 148 [2018-12-09 12:23:07,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:23:07,411 INFO L480 AbstractCegarLoop]: Abstraction has 967 states and 1232 transitions. [2018-12-09 12:23:07,411 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:23:07,412 INFO L276 IsEmpty]: Start isEmpty. Operand 967 states and 1232 transitions. [2018-12-09 12:23:07,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 12:23:07,414 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:23:07,414 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-12-09 12:23:07,414 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:23:07,414 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:07,414 INFO L82 PathProgramCache]: Analyzing trace with hash 176447786, now seen corresponding path program 1 times [2018-12-09 12:23:07,415 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:23:07,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:07,415 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:23:07,415 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:07,415 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:23:07,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:23:07,456 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 59 proven. 14 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2018-12-09 12:23:07,456 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:23:07,456 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:23:07,457 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 160 with the following transitions: [2018-12-09 12:23:07,457 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 12:23:07,459 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:23:07,459 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:23:07,596 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 12:23:07,597 INFO L272 AbstractInterpreter]: Visited 108 different actions 322 times. Merged at 6 different actions 18 times. Never widened. Performed 4530 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4530 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 4 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 12:23:07,598 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:07,598 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 12:23:07,705 INFO L227 lantSequenceWeakener]: Weakened 156 states. On average, predicates are now at 83.37% of their original sizes. [2018-12-09 12:23:07,705 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 12:23:07,742 INFO L418 sIntCurrentIteration]: We unified 158 AI predicates to 158 [2018-12-09 12:23:07,742 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 12:23:07,742 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:23:07,742 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 12 [2018-12-09 12:23:07,742 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:23:07,742 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 12:23:07,742 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 12:23:07,742 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 12:23:07,743 INFO L87 Difference]: Start difference. First operand 967 states and 1232 transitions. Second operand 9 states. [2018-12-09 12:23:09,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:23:09,911 INFO L93 Difference]: Finished difference Result 1956 states and 2580 transitions. [2018-12-09 12:23:09,911 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 12:23:09,911 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 159 [2018-12-09 12:23:09,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:23:09,916 INFO L225 Difference]: With dead ends: 1956 [2018-12-09 12:23:09,916 INFO L226 Difference]: Without dead ends: 1267 [2018-12-09 12:23:09,917 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 165 GetRequests, 151 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 12:23:09,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1267 states. [2018-12-09 12:23:09,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1267 to 1249. [2018-12-09 12:23:09,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1249 states. [2018-12-09 12:23:09,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1249 states and 1571 transitions. [2018-12-09 12:23:09,946 INFO L78 Accepts]: Start accepts. Automaton has 1249 states and 1571 transitions. Word has length 159 [2018-12-09 12:23:09,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:23:09,946 INFO L480 AbstractCegarLoop]: Abstraction has 1249 states and 1571 transitions. [2018-12-09 12:23:09,946 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 12:23:09,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1571 transitions. [2018-12-09 12:23:09,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 12:23:09,949 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:23:09,949 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 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] [2018-12-09 12:23:09,950 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:23:09,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:09,950 INFO L82 PathProgramCache]: Analyzing trace with hash -1363693685, now seen corresponding path program 1 times [2018-12-09 12:23:09,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:23:09,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:09,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:23:09,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:09,951 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:23:09,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:23:10,003 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 79 proven. 20 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-09 12:23:10,003 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:23:10,003 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:23:10,003 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 179 with the following transitions: [2018-12-09 12:23:10,004 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 12:23:10,006 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:23:10,007 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:23:10,313 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 12:23:10,314 INFO L272 AbstractInterpreter]: Visited 110 different actions 544 times. Merged at 8 different actions 37 times. Never widened. Performed 8162 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8162 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 12 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 12:23:10,315 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:10,315 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 12:23:10,315 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:23:10,315 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/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 [2018-12-09 12:23:10,321 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:23:10,321 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 12:23:10,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:23:10,384 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:23:10,438 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 73 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 12:23:10,438 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 12:23:10,502 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 79 proven. 20 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-09 12:23:10,518 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 12:23:10,518 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-09 12:23:10,518 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 12:23:10,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-09 12:23:10,519 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-09 12:23:10,519 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-09 12:23:10,519 INFO L87 Difference]: Start difference. First operand 1249 states and 1571 transitions. Second operand 8 states. [2018-12-09 12:23:11,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:23:11,814 INFO L93 Difference]: Finished difference Result 4031 states and 5301 transitions. [2018-12-09 12:23:11,814 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-12-09 12:23:11,814 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 178 [2018-12-09 12:23:11,814 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:23:11,822 INFO L225 Difference]: With dead ends: 4031 [2018-12-09 12:23:11,822 INFO L226 Difference]: Without dead ends: 2633 [2018-12-09 12:23:11,826 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 368 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=181, Invalid=631, Unknown=0, NotChecked=0, Total=812 [2018-12-09 12:23:11,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2633 states. [2018-12-09 12:23:11,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2633 to 2617. [2018-12-09 12:23:11,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2617 states. [2018-12-09 12:23:11,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2617 states to 2617 states and 3035 transitions. [2018-12-09 12:23:11,874 INFO L78 Accepts]: Start accepts. Automaton has 2617 states and 3035 transitions. Word has length 178 [2018-12-09 12:23:11,874 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:23:11,874 INFO L480 AbstractCegarLoop]: Abstraction has 2617 states and 3035 transitions. [2018-12-09 12:23:11,874 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-09 12:23:11,874 INFO L276 IsEmpty]: Start isEmpty. Operand 2617 states and 3035 transitions. [2018-12-09 12:23:11,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-09 12:23:11,878 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:23:11,878 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:23:11,878 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:23:11,878 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:11,878 INFO L82 PathProgramCache]: Analyzing trace with hash -242282541, now seen corresponding path program 1 times [2018-12-09 12:23:11,878 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:23:11,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:11,879 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:23:11,879 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:11,879 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:23:11,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:23:11,952 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 87 proven. 15 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 12:23:11,952 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:23:11,952 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:23:11,952 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 182 with the following transitions: [2018-12-09 12:23:11,953 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 12:23:11,954 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:23:11,954 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:23:12,100 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 12:23:12,101 INFO L272 AbstractInterpreter]: Visited 107 different actions 208 times. Merged at 4 different actions 4 times. Never widened. Performed 2880 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2880 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-12-09 12:23:12,106 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:12,106 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 12:23:12,221 INFO L227 lantSequenceWeakener]: Weakened 178 states. On average, predicates are now at 81.6% of their original sizes. [2018-12-09 12:23:12,221 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 12:23:12,270 INFO L418 sIntCurrentIteration]: We unified 180 AI predicates to 180 [2018-12-09 12:23:12,271 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 12:23:12,271 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:23:12,271 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 12:23:12,271 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:23:12,271 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:23:12,271 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:23:12,271 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:23:12,271 INFO L87 Difference]: Start difference. First operand 2617 states and 3035 transitions. Second operand 10 states. [2018-12-09 12:23:14,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:23:14,350 INFO L93 Difference]: Finished difference Result 5232 states and 6130 transitions. [2018-12-09 12:23:14,351 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-09 12:23:14,351 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 181 [2018-12-09 12:23:14,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:23:14,354 INFO L225 Difference]: With dead ends: 5232 [2018-12-09 12:23:14,355 INFO L226 Difference]: Without dead ends: 2893 [2018-12-09 12:23:14,357 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 189 GetRequests, 172 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-09 12:23:14,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2893 states. [2018-12-09 12:23:14,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2893 to 2891. [2018-12-09 12:23:14,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2891 states. [2018-12-09 12:23:14,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2891 states to 2891 states and 3332 transitions. [2018-12-09 12:23:14,387 INFO L78 Accepts]: Start accepts. Automaton has 2891 states and 3332 transitions. Word has length 181 [2018-12-09 12:23:14,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:23:14,387 INFO L480 AbstractCegarLoop]: Abstraction has 2891 states and 3332 transitions. [2018-12-09 12:23:14,387 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:23:14,387 INFO L276 IsEmpty]: Start isEmpty. Operand 2891 states and 3332 transitions. [2018-12-09 12:23:14,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-09 12:23:14,390 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:23:14,390 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-12-09 12:23:14,391 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:23:14,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:14,391 INFO L82 PathProgramCache]: Analyzing trace with hash -1191546920, now seen corresponding path program 1 times [2018-12-09 12:23:14,391 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:23:14,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:14,391 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:23:14,391 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:14,391 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:23:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:23:14,469 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 84 proven. 43 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 12:23:14,469 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:23:14,469 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:23:14,469 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 190 with the following transitions: [2018-12-09 12:23:14,469 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 12:23:14,472 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:23:14,472 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:23:14,692 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 12:23:14,692 INFO L272 AbstractInterpreter]: Visited 109 different actions 436 times. Merged at 8 different actions 33 times. Widened at 1 different actions 1 times. Performed 6322 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6322 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 8 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 12:23:14,695 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:14,695 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 12:23:14,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:23:14,695 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/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 [2018-12-09 12:23:14,702 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:23:14,702 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 12:23:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:23:14,747 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:23:14,785 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-09 12:23:14,785 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 12:23:14,836 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 89 proven. 36 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-09 12:23:14,851 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 12:23:14,851 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-12-09 12:23:14,851 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 12:23:14,852 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 12:23:14,852 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 12:23:14,852 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2018-12-09 12:23:14,852 INFO L87 Difference]: Start difference. First operand 2891 states and 3332 transitions. Second operand 11 states. [2018-12-09 12:23:15,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:23:15,890 INFO L93 Difference]: Finished difference Result 9390 states and 11349 transitions. [2018-12-09 12:23:15,890 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 12:23:15,891 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 189 [2018-12-09 12:23:15,891 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:23:15,902 INFO L225 Difference]: With dead ends: 9390 [2018-12-09 12:23:15,902 INFO L226 Difference]: Without dead ends: 6914 [2018-12-09 12:23:15,906 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 401 GetRequests, 381 SyntacticMatches, 2 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=111, Invalid=269, Unknown=0, NotChecked=0, Total=380 [2018-12-09 12:23:15,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6914 states. [2018-12-09 12:23:15,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6914 to 6499. [2018-12-09 12:23:15,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6499 states. [2018-12-09 12:23:15,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6499 states to 6499 states and 7630 transitions. [2018-12-09 12:23:15,976 INFO L78 Accepts]: Start accepts. Automaton has 6499 states and 7630 transitions. Word has length 189 [2018-12-09 12:23:15,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:23:15,976 INFO L480 AbstractCegarLoop]: Abstraction has 6499 states and 7630 transitions. [2018-12-09 12:23:15,976 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 12:23:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 6499 states and 7630 transitions. [2018-12-09 12:23:15,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-09 12:23:15,982 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:23:15,982 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:23:15,982 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:23:15,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:15,983 INFO L82 PathProgramCache]: Analyzing trace with hash -2024816168, now seen corresponding path program 1 times [2018-12-09 12:23:15,983 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:23:15,983 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:15,983 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:23:15,984 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:15,984 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:23:15,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:23:16,081 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 134 proven. 2 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 12:23:16,082 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:23:16,082 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:23:16,082 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 199 with the following transitions: [2018-12-09 12:23:16,082 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 12:23:16,084 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:23:16,084 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:23:16,292 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 12:23:16,292 INFO L272 AbstractInterpreter]: Visited 108 different actions 316 times. Merged at 6 different actions 12 times. Never widened. Performed 4304 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4304 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 42 variables. [2018-12-09 12:23:16,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:16,293 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 12:23:16,429 INFO L227 lantSequenceWeakener]: Weakened 195 states. On average, predicates are now at 83.22% of their original sizes. [2018-12-09 12:23:16,429 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 12:23:16,473 INFO L418 sIntCurrentIteration]: We unified 197 AI predicates to 197 [2018-12-09 12:23:16,473 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 12:23:16,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 12:23:16,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-09 12:23:16,474 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 12:23:16,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 12:23:16,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 12:23:16,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 12:23:16,474 INFO L87 Difference]: Start difference. First operand 6499 states and 7630 transitions. Second operand 10 states. [2018-12-09 12:23:18,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:23:18,468 INFO L93 Difference]: Finished difference Result 13140 states and 15501 transitions. [2018-12-09 12:23:18,468 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 12:23:18,468 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 198 [2018-12-09 12:23:18,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:23:18,478 INFO L225 Difference]: With dead ends: 13140 [2018-12-09 12:23:18,478 INFO L226 Difference]: Without dead ends: 7193 [2018-12-09 12:23:18,482 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 205 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-09 12:23:18,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7193 states. [2018-12-09 12:23:18,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7193 to 7188. [2018-12-09 12:23:18,540 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7188 states. [2018-12-09 12:23:18,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7188 states to 7188 states and 8404 transitions. [2018-12-09 12:23:18,546 INFO L78 Accepts]: Start accepts. Automaton has 7188 states and 8404 transitions. Word has length 198 [2018-12-09 12:23:18,546 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:23:18,546 INFO L480 AbstractCegarLoop]: Abstraction has 7188 states and 8404 transitions. [2018-12-09 12:23:18,546 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 12:23:18,546 INFO L276 IsEmpty]: Start isEmpty. Operand 7188 states and 8404 transitions. [2018-12-09 12:23:18,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-09 12:23:18,553 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:23:18,553 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 12:23:18,553 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:23:18,553 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:18,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1190542073, now seen corresponding path program 1 times [2018-12-09 12:23:18,553 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:23:18,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:18,554 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:23:18,554 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:18,554 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:23:18,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:23:18,628 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 104 proven. 64 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 12:23:18,628 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:23:18,628 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:23:18,628 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 209 with the following transitions: [2018-12-09 12:23:18,628 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [49], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 12:23:18,630 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:23:18,630 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:23:18,830 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 12:23:18,830 INFO L272 AbstractInterpreter]: Visited 110 different actions 444 times. Merged at 9 different actions 37 times. Widened at 1 different actions 1 times. Performed 6460 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6460 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 10 fixpoints after 3 different actions. Largest state had 42 variables. [2018-12-09 12:23:18,832 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:18,833 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 12:23:18,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:23:18,833 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 12:23:18,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:23:18,839 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 12:23:18,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:23:18,890 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:23:18,930 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 127 proven. 2 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 12:23:18,930 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 12:23:18,980 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 109 proven. 20 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2018-12-09 12:23:19,005 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 12:23:19,005 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 14 [2018-12-09 12:23:19,005 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 12:23:19,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-09 12:23:19,006 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-09 12:23:19,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2018-12-09 12:23:19,006 INFO L87 Difference]: Start difference. First operand 7188 states and 8404 transitions. Second operand 12 states. [2018-12-09 12:23:21,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:23:21,083 INFO L93 Difference]: Finished difference Result 17543 states and 21268 transitions. [2018-12-09 12:23:21,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2018-12-09 12:23:21,084 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 208 [2018-12-09 12:23:21,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:23:21,101 INFO L225 Difference]: With dead ends: 17543 [2018-12-09 12:23:21,101 INFO L226 Difference]: Without dead ends: 10498 [2018-12-09 12:23:21,109 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 483 GetRequests, 441 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 447 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=411, Invalid=1395, Unknown=0, NotChecked=0, Total=1806 [2018-12-09 12:23:21,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10498 states. [2018-12-09 12:23:21,203 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10498 to 9249. [2018-12-09 12:23:21,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9249 states. [2018-12-09 12:23:21,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9249 states to 9249 states and 10913 transitions. [2018-12-09 12:23:21,213 INFO L78 Accepts]: Start accepts. Automaton has 9249 states and 10913 transitions. Word has length 208 [2018-12-09 12:23:21,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:23:21,213 INFO L480 AbstractCegarLoop]: Abstraction has 9249 states and 10913 transitions. [2018-12-09 12:23:21,214 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-09 12:23:21,214 INFO L276 IsEmpty]: Start isEmpty. Operand 9249 states and 10913 transitions. [2018-12-09 12:23:21,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-09 12:23:21,220 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 12:23:21,220 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-09 12:23:21,220 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 12:23:21,221 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:21,221 INFO L82 PathProgramCache]: Analyzing trace with hash -349352154, now seen corresponding path program 1 times [2018-12-09 12:23:21,221 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 12:23:21,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:21,221 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:23:21,221 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 12:23:21,221 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 12:23:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:23:21,319 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 158 proven. 45 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-09 12:23:21,320 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:23:21,320 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 12:23:21,320 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 215 with the following transitions: [2018-12-09 12:23:21,320 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [65], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [105], [106], [110], [114], [118], [122], [126], [130], [134], [137], [138], [142], [146], [150], [154], [158], [162], [166], [170], [174], [178], [182], [186], [190], [194], [198], [202], [206], [210], [214], [218], [222], [226], [230], [234], [238], [242], [246], [250], [254], [258], [262], [266], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [401], [409], [417], [425], [433], [441], [449], [457], [461], [463], [757], [761], [770], [774], [776], [781], [782], [783], [785], [786] [2018-12-09 12:23:21,321 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 12:23:21,321 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 12:23:21,577 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 12:23:21,577 INFO L272 AbstractInterpreter]: Visited 109 different actions 432 times. Merged at 8 different actions 29 times. Widened at 1 different actions 1 times. Performed 6426 root evaluator evaluations with a maximum evaluation depth of 3. Performed 6426 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 7 fixpoints after 4 different actions. Largest state had 42 variables. [2018-12-09 12:23:21,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 12:23:21,579 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 12:23:21,579 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 12:23:21,579 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 12:23:21,587 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 12:23:21,587 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 12:23:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 12:23:21,632 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 12:23:21,682 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 144 proven. 19 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 12:23:21,683 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 12:23:21,748 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 161 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-12-09 12:23:21,764 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 12:23:21,764 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 4, 4] total 12 [2018-12-09 12:23:21,764 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 12:23:21,764 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 12:23:21,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 12:23:21,765 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=103, Unknown=0, NotChecked=0, Total=132 [2018-12-09 12:23:21,765 INFO L87 Difference]: Start difference. First operand 9249 states and 10913 transitions. Second operand 11 states. [2018-12-09 12:23:23,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 12:23:23,211 INFO L93 Difference]: Finished difference Result 19692 states and 24975 transitions. [2018-12-09 12:23:23,212 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2018-12-09 12:23:23,212 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 214 [2018-12-09 12:23:23,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 12:23:23,212 INFO L225 Difference]: With dead ends: 19692 [2018-12-09 12:23:23,212 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 12:23:23,246 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 484 GetRequests, 443 SyntacticMatches, 3 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=304, Invalid=1256, Unknown=0, NotChecked=0, Total=1560 [2018-12-09 12:23:23,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 12:23:23,246 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 12:23:23,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 12:23:23,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 12:23:23,247 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 214 [2018-12-09 12:23:23,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 12:23:23,247 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 12:23:23,247 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 12:23:23,247 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 12:23:23,247 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 12:23:23,250 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 12:23:23,376 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,492 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,558 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,579 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,582 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,603 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,605 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,606 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,608 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,610 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,619 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,622 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,623 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,627 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,630 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,634 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,635 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,659 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,670 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,682 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,690 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,692 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,715 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,727 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,761 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,785 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,789 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,830 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,833 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,857 WARN L180 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 432 DAG size of output: 164 [2018-12-09 12:23:23,874 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,876 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,954 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,956 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,957 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,958 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,959 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,964 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,968 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,970 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,972 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,973 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,974 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,975 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,977 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,982 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,983 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,987 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,990 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,992 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,993 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:23,998 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,003 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,006 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,007 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,014 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,015 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,016 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,017 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,029 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,030 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,039 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,048 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,055 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,059 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,066 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,068 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,071 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,073 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,076 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,080 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,081 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,096 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,098 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,110 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,111 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,113 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,121 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,122 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,125 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,129 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,130 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,134 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,140 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,146 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,147 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,149 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,154 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,158 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,162 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,163 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,165 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,168 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,169 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,172 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,214 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,215 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,226 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,233 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,239 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,243 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,244 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,246 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,251 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,252 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,255 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,261 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,266 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,269 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,274 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,275 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,281 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,286 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 12:23:24,290 WARN L180 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 458 DAG size of output: 179 [2018-12-09 12:23:26,035 WARN L180 SmtUtils]: Spent 1.66 s on a formula simplification. DAG size of input: 323 DAG size of output: 115 [2018-12-09 12:23:26,538 WARN L180 SmtUtils]: Spent 488.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 76 [2018-12-09 12:23:26,977 WARN L180 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 174 DAG size of output: 74 [2018-12-09 12:23:26,978 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:23:26,978 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a8~0 |old(~a8~0)|) (= ~a7~0 |old(~a7~0)|) (= |old(~a20~0)| ~a20~0) (= ~a17~0 |old(~a17~0)|) (<= ~a21~0 |old(~a21~0)|) (= |old(~a16~0)| ~a16~0)) [2018-12-09 12:23:26,978 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:23:26,978 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-09 12:23:26,978 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-09 12:23:26,978 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,978 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,979 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,979 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,979 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,979 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,979 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-09 12:23:26,979 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-09 12:23:26,979 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-09 12:23:26,979 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-09 12:23:26,979 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-09 12:23:26,979 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-09 12:23:26,979 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-09 12:23:26,979 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-09 12:23:26,979 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-09 12:23:26,979 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-09 12:23:26,980 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,980 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,980 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,980 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,980 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,980 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,980 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-09 12:23:26,980 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-09 12:23:26,980 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-09 12:23:26,980 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-09 12:23:26,980 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-09 12:23:26,980 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-09 12:23:26,980 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-09 12:23:26,980 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-09 12:23:26,981 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-09 12:23:26,981 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-09 12:23:26,981 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-09 12:23:26,981 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-09 12:23:26,981 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-09 12:23:26,981 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-09 12:23:26,981 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-09 12:23:26,981 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,981 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,981 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,981 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,981 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,981 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-09 12:23:26,982 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-09 12:23:26,982 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-09 12:23:26,982 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-09 12:23:26,982 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-09 12:23:26,982 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-09 12:23:26,982 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-09 12:23:26,982 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-09 12:23:26,982 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-09 12:23:26,982 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,982 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,982 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,982 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,982 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,982 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-09 12:23:26,983 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 464) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-09 12:23:26,984 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-09 12:23:26,985 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse34 (= 1 |old(~a20~0)|))) (let ((.cse12 (not (= 1 |old(~a21~0)|))) (.cse26 (not .cse34)) (.cse27 (= 0 |old(~a16~0)|)) (.cse16 (not (= 8 ~a12~0))) (.cse10 (= |calculate_output_#in~input| 0)) (.cse17 (not (= 1 |old(~a17~0)|))) (.cse2 (= |old(~a20~0)| ~a20~0)) (.cse22 (not (= ~a8~0 0))) (.cse9 (= ~a21~0 1)) (.cse32 (not (= ~a8~0 13))) (.cse0 (<= ~a8~0 |old(~a8~0)|)) (.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse3 (= ~a17~0 |old(~a17~0)|)) (.cse36 (= ~a16~0 |old(~a16~0)|)) (.cse18 (= 1 |old(~a7~0)|))) (let ((.cse15 (not (= 5 |old(~a16~0)|))) (.cse30 (< 0 |old(~a20~0)|)) (.cse11 (not (= 0 |old(~a7~0)|))) (.cse13 (not (= 15 |old(~a8~0)|))) (.cse14 (not (= 0 |old(~a17~0)|))) (.cse31 (= 1 ~a7~0)) (.cse33 (not .cse18)) (.cse6 (< 0 |old(~a21~0)|)) (.cse28 (= 13 |old(~a8~0)|)) (.cse29 (and .cse2 .cse22 .cse9 .cse32 .cse0 .cse1 .cse3 .cse36)) (.cse19 (<= 15 ~a8~0)) (.cse21 (< |old(~a8~0)| 15)) (.cse4 (<= ~a21~0 |old(~a21~0)|)) (.cse20 (< 0 |old(~a17~0)|)) (.cse7 (= 6 |old(~a16~0)|)) (.cse8 (< 13 |old(~a8~0)|)) (.cse5 (= |old(~a16~0)| ~a16~0)) (.cse23 (= ~a20~0 1)) (.cse35 (not (= 4 |old(~a16~0)|))) (.cse24 (or .cse12 .cse26 .cse27 .cse16 .cse10 .cse17)) (.cse25 (= 0 |old(~a8~0)|))) (and (or (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) .cse6 (or .cse7 .cse8)) (or (and (= ~a7~0 0) (= ~a8~0 15) .cse9) .cse10 (and (or .cse11 .cse12 .cse13 .cse14 .cse15 .cse16) (or .cse11 .cse12 .cse13 .cse15 .cse16 .cse17))) (or .cse18 .cse19 .cse20 .cse21) (or .cse8 (and .cse0 .cse1 .cse22 .cse5 (= ~a17~0 1) .cse23 .cse9) .cse24 .cse25) (or .cse11 (and .cse3 .cse23 (= ~a16~0 5)) .cse13 .cse15 .cse24) (or .cse7 .cse11 .cse12 .cse16 .cse20 .cse10 .cse9 .cse26 .cse13 .cse27) (or .cse12 .cse18 .cse28 .cse27 .cse16 .cse29 .cse10 .cse25 .cse30 .cse17) (or .cse7 .cse28 (and .cse0 .cse31 .cse2 .cse3 .cse4 .cse5 .cse32) .cse33 .cse20) (or .cse18 .cse28 .cse20 (and .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse32)) (or .cse12 .cse18 .cse19 .cse27 .cse16 .cse10 .cse21 .cse30 .cse17) (or .cse10 .cse9 (or (not .cse7) .cse11 .cse12 .cse26 .cse13 .cse14 .cse16)) (or .cse8 (and .cse0 .cse31 .cse2 .cse3 .cse4 .cse5) (< |old(~a20~0)| 1) .cse33 .cse20 .cse6) (or .cse7 .cse12 .cse18 .cse28 .cse27 .cse16 .cse29 .cse10 .cse25 .cse34 .cse17) (or .cse7 .cse12 .cse16 .cse19 .cse10 .cse34 .cse21 .cse17 .cse18 .cse27) (or .cse18 .cse35 (and .cse2 .cse3 .cse4) .cse20) (or .cse7 (= |old(~a7~0)| 1) .cse8 (and .cse0 .cse1 .cse5)) (or .cse18 (and .cse22 .cse9 .cse0 .cse1 .cse3 .cse36 .cse23) .cse35 .cse24 .cse25))))) [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-09 12:23:26,986 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-09 12:23:26,987 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 12:23:26,988 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a7~0 0) (= ~a8~0 15) (= ~a17~0 1) (= ~a12~0 8) (= ~a21~0 1) (= ~a20~0 1) (= ~a16~0 5)) [2018-12-09 12:23:26,989 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 12:23:26,989 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 12:23:26,989 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (not (= 15 |old(~a8~0)|)) (not (= 5 |old(~a16~0)|)) (and (= ~a8~0 15) (= ~a21~0 1) (= ~a7~0 |old(~a7~0)|) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 1) (= ~a16~0 5)) (not (= 8 ~a12~0)) (not (= 1 |old(~a17~0)|))) [2018-12-09 12:23:26,989 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-09 12:23:26,989 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (= ~a7~0 |old(~a7~0)|)) (.cse4 (= ~a20~0 1)) (.cse11 (= ~a16~0 4)) (.cse9 (not (= ~a16~0 6))) (.cse3 (not (= ~a16~0 0))) (.cse8 (not (= ~a7~0 1))) (.cse0 (not (= main_~input~0 0))) (.cse5 (not (= ~a8~0 0))) (.cse6 (= ~a17~0 1)) (.cse1 (= ~a21~0 1)) (.cse7 (not (= ~a8~0 13))) (.cse10 (<= ~a8~0 13)) (.cse13 (<= ~a21~0 0)) (.cse12 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (and (= ~a8~0 15) .cse0 .cse1 .cse2 (= ~a17~0 |old(~a17~0)|) (= ~a16~0 5)) (and .cse3 (not .cse4) .cse0 .cse5 .cse6 .cse1 .cse7 .cse8 .cse9) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse10 .cse2 .cse9) (and .cse0 .cse5 .cse6 .cse1 .cse8 .cse11 .cse4) (and .cse10 .cse3 .cse0 .cse5 .cse6 .cse1 .cse4) (and .cse8 .cse11 .cse12) (not (= 0 |old(~a7~0)|)) (and .cse8 .cse12 .cse7) (not (= 1 |old(~a17~0)|)) (and .cse10 .cse13 .cse9) (not (= 15 |old(~a8~0)|)) (and (and .cse9 .cse7) .cse12) (and .cse3 .cse8 .cse0 .cse5 .cse6 .cse1 (<= ~a20~0 0) .cse7) (and .cse10 (= 1 ~a7~0) .cse13 .cse12 (<= 1 ~a20~0)))) [2018-12-09 12:23:26,989 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-09 12:23:26,989 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-09 12:23:26,989 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse3 (not (= ~a16~0 0))) (.cse5 (not (= ~a8~0 0))) (.cse4 (= ~a20~0 1))) (let ((.cse1 (= ~a7~0 |old(~a7~0)|)) (.cse9 (not (= ~a7~0 1))) (.cse10 (= ~a16~0 4)) (.cse6 (= ~a17~0 1)) (.cse7 (= ~a21~0 1)) (.cse12 (and .cse3 .cse5 .cse4)) (.cse2 (not (= ~a16~0 6))) (.cse8 (not (= ~a8~0 13))) (.cse0 (<= ~a8~0 13)) (.cse13 (<= ~a21~0 0)) (.cse11 (<= ~a17~0 0))) (or (not (= 1 |old(~a21~0)|)) (not (= 8 ~a12~0)) (not (= 1 |old(~a20~0)|)) (not (= 5 |old(~a16~0)|)) (and .cse0 .cse1 .cse2) (and .cse3 (not .cse4) .cse5 .cse6 .cse7 .cse8 .cse9 .cse2) (and .cse9 .cse10 .cse11) (and (= ~a8~0 15) .cse7 .cse1 (= ~a17~0 |old(~a17~0)|) (= ~a16~0 5)) (not (= 0 |old(~a7~0)|)) (and .cse3 .cse9 .cse5 .cse6 .cse7 .cse8 (<= ~a20~0 0)) (and .cse9 .cse11 .cse8) (and .cse6 .cse7 .cse12 .cse9 .cse10) (not (= 1 |old(~a17~0)|)) (and .cse0 .cse13 .cse2) (and .cse0 .cse6 .cse7 .cse12) (not (= 15 |old(~a8~0)|)) (and (and .cse2 .cse8) .cse11) (and .cse0 (= 1 ~a7~0) .cse13 .cse11 (<= 1 ~a20~0))))) [2018-12-09 12:23:26,989 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-09 12:23:27,000 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 12:23:27 BoogieIcfgContainer [2018-12-09 12:23:27,000 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 12:23:27,000 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 12:23:27,001 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 12:23:27,001 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 12:23:27,001 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:22:59" (3/4) ... [2018-12-09 12:23:27,004 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 12:23:27,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 12:23:27,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 12:23:27,009 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 12:23:27,017 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-09 12:23:27,018 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 12:23:27,038 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((!(1 == \old(a21)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((((((!(a16 == 0) && !(a20 == 1)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a8 == 13)) && !(a7 == 1)) && !(a16 == 6))) || ((!(a7 == 1) && a16 == 4) && a17 <= 0)) || ((((a8 == 15 && a21 == 1) && a7 == \old(a7)) && a17 == \old(a17)) && a16 == 5)) || !(0 == \old(a7))) || ((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a8 == 13)) && a20 <= 0)) || ((!(a7 == 1) && a17 <= 0) && !(a8 == 13))) || ((((a17 == 1 && a21 == 1) && (!(a16 == 0) && !(a8 == 0)) && a20 == 1) && !(a7 == 1)) && a16 == 4)) || !(1 == \old(a17))) || ((a8 <= 13 && a21 <= 0) && !(a16 == 6))) || (((a8 <= 13 && a17 == 1) && a21 == 1) && (!(a16 == 0) && !(a8 == 0)) && a20 == 1)) || !(15 == \old(a8))) || ((!(a16 == 6) && !(a8 == 13)) && a17 <= 0)) || ((((a8 <= 13 && 1 == a7) && a21 <= 0) && a17 <= 0) && 1 <= a20) [2018-12-09 12:23:27,091 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_44f270ca-c1c3-4c15-b4c7-4cf9420eab5a/bin-2019/utaipan/witness.graphml [2018-12-09 12:23:27,091 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 12:23:27,092 INFO L168 Benchmark]: Toolchain (without parser) took 28113.68 ms. Allocated memory was 1.0 GB in the beginning and 2.6 GB in the end (delta: 1.6 GB). Free memory was 950.6 MB in the beginning and 1.4 GB in the end (delta: -468.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-09 12:23:27,092 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:23:27,092 INFO L168 Benchmark]: CACSL2BoogieTranslator took 345.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -117.1 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-09 12:23:27,093 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:23:27,093 INFO L168 Benchmark]: Boogie Preprocessor took 36.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:23:27,093 INFO L168 Benchmark]: RCFGBuilder took 614.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.0 MB in the end (delta: 112.4 MB). Peak memory consumption was 112.4 MB. Max. memory is 11.5 GB. [2018-12-09 12:23:27,093 INFO L168 Benchmark]: TraceAbstraction took 27004.06 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 948.0 MB in the beginning and 1.4 GB in the end (delta: -470.7 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-09 12:23:27,094 INFO L168 Benchmark]: Witness Printer took 90.83 ms. Allocated memory is still 2.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 12:23:27,095 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 345.99 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -117.1 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.92 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.88 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 614.02 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.0 MB in the end (delta: 112.4 MB). Peak memory consumption was 112.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 27004.06 ms. Allocated memory was 1.1 GB in the beginning and 2.6 GB in the end (delta: 1.5 GB). Free memory was 948.0 MB in the beginning and 1.4 GB in the end (delta: -470.7 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 90.83 ms. Allocated memory is still 2.6 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 464]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((!(1 == \old(a21)) || !(8 == a12)) || !(1 == \old(a20))) || !(5 == \old(a16))) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((((((!(a16 == 0) && !(a20 == 1)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a8 == 13)) && !(a7 == 1)) && !(a16 == 6))) || ((!(a7 == 1) && a16 == 4) && a17 <= 0)) || ((((a8 == 15 && a21 == 1) && a7 == \old(a7)) && a17 == \old(a17)) && a16 == 5)) || !(0 == \old(a7))) || ((((((!(a16 == 0) && !(a7 == 1)) && !(a8 == 0)) && a17 == 1) && a21 == 1) && !(a8 == 13)) && a20 <= 0)) || ((!(a7 == 1) && a17 <= 0) && !(a8 == 13))) || ((((a17 == 1 && a21 == 1) && (!(a16 == 0) && !(a8 == 0)) && a20 == 1) && !(a7 == 1)) && a16 == 4)) || !(1 == \old(a17))) || ((a8 <= 13 && a21 <= 0) && !(a16 == 6))) || (((a8 <= 13 && a17 == 1) && a21 == 1) && (!(a16 == 0) && !(a8 == 0)) && a20 == 1)) || !(15 == \old(a8))) || ((!(a16 == 6) && !(a8 == 13)) && a17 <= 0)) || ((((a8 <= 13 && 1 == a7) && a21 <= 0) && a17 <= 0) && 1 <= a20) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 26.9s OverallTime, 11 OverallIterations, 6 TraceHistogramMax, 18.1s AutomataDifference, 0.0s DeadEndRemovalTime, 3.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 617 SDtfs, 11495 SDslu, 1085 SDs, 0 SdLazy, 15195 SolverSat, 2524 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.8s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 2638 GetRequests, 2416 SyntacticMatches, 9 SemanticMatches, 213 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1278 ImplicationChecksByTransitivity, 1.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=9249occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.9s AbstIntTime, 9 AbstIntIterations, 5 AbstIntStrong, 0.9962982451210391 AbsIntWeakeningRatio, 0.2582619339045288 AbsIntAvgWeakeningVarsNumRemoved, 27.96328029375765 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 11 MinimizatonAttempts, 2371 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 557 PreInvPairs, 1125 NumberOfFragments, 1238 HoareAnnotationTreeSize, 557 FomulaSimplifications, 73362 FormulaSimplificationTreeSizeReduction, 1.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 14775 FormulaSimplificationTreeSizeReductionInter, 2.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 2614 NumberOfCodeBlocks, 2614 NumberOfCodeBlocksAsserted, 15 NumberOfCheckSat, 3384 ConstructedInterpolants, 0 QuantifiedInterpolants, 1160247 SizeOfPredicates, 5 NumberOfNonLiveVariables, 2433 ConjunctsInSsa, 18 ConjunctsInUnsatCore, 19 InterpolantComputations, 2 PerfectInterpolantSequences, 2521/2844 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...