./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/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 29670da151301b8436a6c7ddafad57f5257b4a8d ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:59:50,000 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:59:50,001 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:59:50,007 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:59:50,008 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:59:50,008 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:59:50,009 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:59:50,010 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:59:50,011 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:59:50,012 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:59:50,012 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:59:50,012 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:59:50,013 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:59:50,014 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:59:50,014 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:59:50,015 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:59:50,015 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:59:50,016 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:59:50,018 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:59:50,019 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:59:50,019 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:59:50,020 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:59:50,021 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:59:50,022 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:59:50,022 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:59:50,022 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:59:50,023 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:59:50,023 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:59:50,024 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:59:50,025 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:59:50,025 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:59:50,025 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:59:50,025 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:59:50,026 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:59:50,026 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:59:50,027 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:59:50,027 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 16:59:50,036 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:59:50,036 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:59:50,037 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:59:50,037 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 16:59:50,037 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 16:59:50,037 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 16:59:50,037 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 16:59:50,037 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 16:59:50,037 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 16:59:50,037 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 16:59:50,038 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 16:59:50,038 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 16:59:50,038 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 16:59:50,038 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:59:50,038 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:59:50,039 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:59:50,039 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:59:50,039 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:59:50,039 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:59:50,039 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:59:50,039 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:59:50,039 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:59:50,040 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:59:50,040 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:59:50,040 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:59:50,040 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:59:50,040 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:59:50,040 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:59:50,040 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:59:50,040 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:59:50,041 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:59:50,041 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:59:50,041 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:59:50,041 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 16:59:50,041 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:59:50,041 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:59:50,041 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 16:59:50,041 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_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/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 -> 29670da151301b8436a6c7ddafad57f5257b4a8d [2018-11-18 16:59:50,063 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:59:50,072 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:59:50,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:59:50,075 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:59:50,076 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:59:50,076 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-11-18 16:59:50,112 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/bin-2019/utaipan/data/d15613974/24582980d54b418eaefd7be0d672f555/FLAG66c514726 [2018-11-18 16:59:50,566 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:59:50,567 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-11-18 16:59:50,576 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/bin-2019/utaipan/data/d15613974/24582980d54b418eaefd7be0d672f555/FLAG66c514726 [2018-11-18 16:59:50,587 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/bin-2019/utaipan/data/d15613974/24582980d54b418eaefd7be0d672f555 [2018-11-18 16:59:50,589 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:59:50,590 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:59:50,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:59:50,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:59:50,593 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:59:50,594 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:59:50" (1/1) ... [2018-11-18 16:59:50,595 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:50, skipping insertion in model container [2018-11-18 16:59:50,595 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:59:50" (1/1) ... [2018-11-18 16:59:50,601 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:59:50,636 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:59:50,868 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:59:50,871 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:59:50,928 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:59:50,937 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:59:50,937 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:50 WrapperNode [2018-11-18 16:59:50,937 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:59:50,938 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:59:50,938 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:59:50,938 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:59:51,005 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:50" (1/1) ... [2018-11-18 16:59:51,017 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:50" (1/1) ... [2018-11-18 16:59:51,023 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:59:51,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:59:51,024 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:59:51,024 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:59:51,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:50" (1/1) ... [2018-11-18 16:59:51,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:50" (1/1) ... [2018-11-18 16:59:51,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:50" (1/1) ... [2018-11-18 16:59:51,035 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:50" (1/1) ... [2018-11-18 16:59:51,054 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:50" (1/1) ... [2018-11-18 16:59:51,060 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:50" (1/1) ... [2018-11-18 16:59:51,063 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:50" (1/1) ... [2018-11-18 16:59:51,067 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:59:51,068 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:59:51,069 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:59:51,069 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:59:51,073 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/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 [2018-11-18 16:59:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 16:59:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:59:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:59:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 16:59:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 16:59:51,116 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:59:51,116 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:59:51,117 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:59:51,117 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:59:51,834 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:59:51,834 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:59:51 BoogieIcfgContainer [2018-11-18 16:59:51,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:59:51,835 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:59:51,835 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:59:51,837 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:59:51,837 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:59:50" (1/3) ... [2018-11-18 16:59:51,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb2e97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:59:51, skipping insertion in model container [2018-11-18 16:59:51,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:59:50" (2/3) ... [2018-11-18 16:59:51,838 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7eb2e97c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:59:51, skipping insertion in model container [2018-11-18 16:59:51,838 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:59:51" (3/3) ... [2018-11-18 16:59:51,839 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label25_true-unreach-call_false-termination.c [2018-11-18 16:59:51,845 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:59:51,855 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:59:51,868 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:59:51,894 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:59:51,894 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:59:51,894 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:59:51,894 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:59:51,894 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:59:51,895 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:59:51,895 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:59:51,895 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:59:51,912 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states. [2018-11-18 16:59:51,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-11-18 16:59:51,921 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:59:51,921 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:59:51,923 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:59:51,927 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:59:51,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1106686112, now seen corresponding path program 1 times [2018-11-18 16:59:51,930 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:59:51,969 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:59:51,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:59:51,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:59:51,970 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:59:52,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:52,260 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:52,262 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:59:52,262 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:59:52,262 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:59:52,267 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:59:52,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:59:52,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:59:52,281 INFO L87 Difference]: Start difference. First operand 208 states. Second operand 3 states. [2018-11-18 16:59:52,816 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:59:52,816 INFO L93 Difference]: Finished difference Result 550 states and 941 transitions. [2018-11-18 16:59:52,816 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:59:52,818 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 126 [2018-11-18 16:59:52,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:59:52,830 INFO L225 Difference]: With dead ends: 550 [2018-11-18 16:59:52,830 INFO L226 Difference]: Without dead ends: 340 [2018-11-18 16:59:52,833 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:59:52,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2018-11-18 16:59:52,876 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 340. [2018-11-18 16:59:52,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 340 states. [2018-11-18 16:59:52,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 340 states and 569 transitions. [2018-11-18 16:59:52,879 INFO L78 Accepts]: Start accepts. Automaton has 340 states and 569 transitions. Word has length 126 [2018-11-18 16:59:52,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:59:52,880 INFO L480 AbstractCegarLoop]: Abstraction has 340 states and 569 transitions. [2018-11-18 16:59:52,880 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:59:52,880 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 569 transitions. [2018-11-18 16:59:52,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 16:59:52,884 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:59:52,884 INFO L375 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:59:52,886 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:59:52,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:59:52,887 INFO L82 PathProgramCache]: Analyzing trace with hash 1635455447, now seen corresponding path program 1 times [2018-11-18 16:59:52,887 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:59:52,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:59:52,888 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:59:52,888 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:59:52,888 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:59:52,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:52,995 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:59:52,995 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 16:59:52,995 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:59:52,997 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 16:59:52,997 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 16:59:52,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 16:59:52,998 INFO L87 Difference]: Start difference. First operand 340 states and 569 transitions. Second operand 5 states. [2018-11-18 16:59:53,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:59:53,553 INFO L93 Difference]: Finished difference Result 1079 states and 1888 transitions. [2018-11-18 16:59:53,554 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 16:59:53,554 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 136 [2018-11-18 16:59:53,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:59:53,559 INFO L225 Difference]: With dead ends: 1079 [2018-11-18 16:59:53,559 INFO L226 Difference]: Without dead ends: 745 [2018-11-18 16:59:53,561 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 16:59:53,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 745 states. [2018-11-18 16:59:53,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 745 to 733. [2018-11-18 16:59:53,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 733 states. [2018-11-18 16:59:53,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 733 states and 1163 transitions. [2018-11-18 16:59:53,586 INFO L78 Accepts]: Start accepts. Automaton has 733 states and 1163 transitions. Word has length 136 [2018-11-18 16:59:53,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:59:53,586 INFO L480 AbstractCegarLoop]: Abstraction has 733 states and 1163 transitions. [2018-11-18 16:59:53,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 16:59:53,586 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 1163 transitions. [2018-11-18 16:59:53,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 16:59:53,590 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:59:53,590 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:59:53,590 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:59:53,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:59:53,590 INFO L82 PathProgramCache]: Analyzing trace with hash 852389443, now seen corresponding path program 1 times [2018-11-18 16:59:53,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:59:53,591 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:59:53,591 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:59:53,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:59:53,592 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:59:53,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:53,732 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:53,732 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:59:53,733 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:59:53,733 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 147 with the following transitions: [2018-11-18 16:59:53,735 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [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], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 16:59:53,765 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:59:53,765 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:59:54,134 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:59:54,135 INFO L272 AbstractInterpreter]: Visited 126 different actions 126 times. Never merged. Never widened. Performed 1667 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1667 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 42 variables. [2018-11-18 16:59:54,147 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:59:54,147 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:59:54,427 INFO L227 lantSequenceWeakener]: Weakened 140 states. On average, predicates are now at 80.59% of their original sizes. [2018-11-18 16:59:54,427 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:59:54,450 INFO L415 sIntCurrentIteration]: We unified 145 AI predicates to 145 [2018-11-18 16:59:54,450 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:59:54,451 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:59:54,451 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [7] total 11 [2018-11-18 16:59:54,451 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:59:54,451 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 16:59:54,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 16:59:54,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 16:59:54,452 INFO L87 Difference]: Start difference. First operand 733 states and 1163 transitions. Second operand 6 states. [2018-11-18 16:59:56,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:59:56,434 INFO L93 Difference]: Finished difference Result 1598 states and 2531 transitions. [2018-11-18 16:59:56,434 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 16:59:56,435 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 146 [2018-11-18 16:59:56,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:59:56,438 INFO L225 Difference]: With dead ends: 1598 [2018-11-18 16:59:56,438 INFO L226 Difference]: Without dead ends: 871 [2018-11-18 16:59:56,440 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 146 GetRequests, 141 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:59:56,440 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 871 states. [2018-11-18 16:59:56,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 871 to 869. [2018-11-18 16:59:56,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 869 states. [2018-11-18 16:59:56,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 869 states and 1308 transitions. [2018-11-18 16:59:56,457 INFO L78 Accepts]: Start accepts. Automaton has 869 states and 1308 transitions. Word has length 146 [2018-11-18 16:59:56,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:59:56,457 INFO L480 AbstractCegarLoop]: Abstraction has 869 states and 1308 transitions. [2018-11-18 16:59:56,457 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 16:59:56,457 INFO L276 IsEmpty]: Start isEmpty. Operand 869 states and 1308 transitions. [2018-11-18 16:59:56,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 16:59:56,459 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:59:56,459 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:59:56,460 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:59:56,460 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:59:56,460 INFO L82 PathProgramCache]: Analyzing trace with hash -768658678, now seen corresponding path program 1 times [2018-11-18 16:59:56,460 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:59:56,460 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:59:56,461 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:59:56,461 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:59:56,461 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:59:56,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:56,534 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:56,534 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:59:56,534 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:59:56,534 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 149 with the following transitions: [2018-11-18 16:59:56,535 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [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], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 16:59:56,539 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:59:56,539 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:59:56,714 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:59:56,714 INFO L272 AbstractInterpreter]: Visited 131 different actions 254 times. Merged at 4 different actions 4 times. Never widened. Performed 3442 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3442 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 16:59:56,722 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:59:56,723 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:59:56,723 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:59:56,723 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/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 [2018-11-18 16:59:56,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:59:56,792 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:59:56,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:56,844 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:59:56,880 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:59:56,880 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:59:56,925 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:59:56,941 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:59:56,941 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 16:59:56,941 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:59:56,942 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:59:56,942 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:59:56,942 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:59:56,942 INFO L87 Difference]: Start difference. First operand 869 states and 1308 transitions. Second operand 3 states. [2018-11-18 16:59:57,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:59:57,288 INFO L93 Difference]: Finished difference Result 2085 states and 3262 transitions. [2018-11-18 16:59:57,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:59:57,291 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2018-11-18 16:59:57,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:59:57,296 INFO L225 Difference]: With dead ends: 2085 [2018-11-18 16:59:57,296 INFO L226 Difference]: Without dead ends: 1358 [2018-11-18 16:59:57,298 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 294 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 16:59:57,299 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1358 states. [2018-11-18 16:59:57,318 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1358 to 1358. [2018-11-18 16:59:57,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1358 states. [2018-11-18 16:59:57,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1358 states and 1985 transitions. [2018-11-18 16:59:57,322 INFO L78 Accepts]: Start accepts. Automaton has 1358 states and 1985 transitions. Word has length 148 [2018-11-18 16:59:57,322 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:59:57,323 INFO L480 AbstractCegarLoop]: Abstraction has 1358 states and 1985 transitions. [2018-11-18 16:59:57,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:59:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1985 transitions. [2018-11-18 16:59:57,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 16:59:57,326 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:59:57,326 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:59:57,326 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:59:57,326 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:59:57,327 INFO L82 PathProgramCache]: Analyzing trace with hash 1323457638, now seen corresponding path program 1 times [2018-11-18 16:59:57,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:59:57,327 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:59:57,327 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:59:57,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:59:57,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:59:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:57,427 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 30 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:57,428 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:59:57,428 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:59:57,428 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 156 with the following transitions: [2018-11-18 16:59:57,428 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [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], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 16:59:57,432 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:59:57,433 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:59:57,587 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 16:59:57,587 INFO L272 AbstractInterpreter]: Visited 130 different actions 254 times. Merged at 5 different actions 5 times. Never widened. Performed 3332 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3332 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 16:59:57,594 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:59:57,594 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 16:59:57,755 INFO L227 lantSequenceWeakener]: Weakened 152 states. On average, predicates are now at 82.04% of their original sizes. [2018-11-18 16:59:57,756 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 16:59:57,811 INFO L415 sIntCurrentIteration]: We unified 154 AI predicates to 154 [2018-11-18 16:59:57,811 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 16:59:57,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 16:59:57,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-18 16:59:57,811 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 16:59:57,812 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 16:59:57,812 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 16:59:57,812 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 16:59:57,812 INFO L87 Difference]: Start difference. First operand 1358 states and 1985 transitions. Second operand 10 states. [2018-11-18 16:59:59,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:59:59,631 INFO L93 Difference]: Finished difference Result 2715 states and 4008 transitions. [2018-11-18 16:59:59,631 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 16:59:59,631 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 155 [2018-11-18 16:59:59,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:59:59,635 INFO L225 Difference]: With dead ends: 2715 [2018-11-18 16:59:59,635 INFO L226 Difference]: Without dead ends: 1499 [2018-11-18 16:59:59,637 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 162 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 16:59:59,638 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1499 states. [2018-11-18 16:59:59,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1499 to 1496. [2018-11-18 16:59:59,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1496 states. [2018-11-18 16:59:59,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1496 states and 2131 transitions. [2018-11-18 16:59:59,657 INFO L78 Accepts]: Start accepts. Automaton has 1496 states and 2131 transitions. Word has length 155 [2018-11-18 16:59:59,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:59:59,657 INFO L480 AbstractCegarLoop]: Abstraction has 1496 states and 2131 transitions. [2018-11-18 16:59:59,657 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 16:59:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1496 states and 2131 transitions. [2018-11-18 16:59:59,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 16:59:59,661 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:59:59,661 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:59:59,662 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:59:59,662 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:59:59,662 INFO L82 PathProgramCache]: Analyzing trace with hash 1998384054, now seen corresponding path program 1 times [2018-11-18 16:59:59,662 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 16:59:59,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:59:59,663 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:59:59,663 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:59:59,663 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 16:59:59,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:59,723 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:59,724 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:59:59,724 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 16:59:59,724 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 159 with the following transitions: [2018-11-18 16:59:59,724 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [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], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 16:59:59,726 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 16:59:59,726 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 16:59:59,835 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 16:59:59,835 INFO L272 AbstractInterpreter]: Visited 131 different actions 254 times. Merged at 4 different actions 4 times. Never widened. Performed 3470 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3470 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 16:59:59,842 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:59:59,842 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 16:59:59,842 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 16:59:59,842 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/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 [2018-11-18 16:59:59,859 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:59:59,859 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 16:59:59,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:59:59,903 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 16:59:59,951 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:59:59,951 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 16:59:59,999 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 36 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 17:00:00,015 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:00:00,015 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 12 [2018-11-18 17:00:00,015 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:00:00,016 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:00:00,016 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:00:00,016 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=101, Unknown=0, NotChecked=0, Total=132 [2018-11-18 17:00:00,016 INFO L87 Difference]: Start difference. First operand 1496 states and 2131 transitions. Second operand 9 states. [2018-11-18 17:00:02,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:00:02,032 INFO L93 Difference]: Finished difference Result 5966 states and 9201 transitions. [2018-11-18 17:00:02,032 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2018-11-18 17:00:02,033 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 158 [2018-11-18 17:00:02,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:00:02,050 INFO L225 Difference]: With dead ends: 5966 [2018-11-18 17:00:02,050 INFO L226 Difference]: Without dead ends: 4235 [2018-11-18 17:00:02,060 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 359 GetRequests, 328 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 201 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=235, Invalid=821, Unknown=0, NotChecked=0, Total=1056 [2018-11-18 17:00:02,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4235 states. [2018-11-18 17:00:02,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4235 to 4168. [2018-11-18 17:00:02,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4168 states. [2018-11-18 17:00:02,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 4168 states and 5369 transitions. [2018-11-18 17:00:02,155 INFO L78 Accepts]: Start accepts. Automaton has 4168 states and 5369 transitions. Word has length 158 [2018-11-18 17:00:02,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:00:02,155 INFO L480 AbstractCegarLoop]: Abstraction has 4168 states and 5369 transitions. [2018-11-18 17:00:02,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:00:02,156 INFO L276 IsEmpty]: Start isEmpty. Operand 4168 states and 5369 transitions. [2018-11-18 17:00:02,163 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 17:00:02,163 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:00:02,163 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:00:02,163 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:00:02,164 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:00:02,164 INFO L82 PathProgramCache]: Analyzing trace with hash -1044915987, now seen corresponding path program 1 times [2018-11-18 17:00:02,164 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:00:02,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:00:02,165 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:00:02,165 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:00:02,165 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:00:02,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:02,238 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 46 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 17:00:02,238 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:00:02,238 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:00:02,238 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-11-18 17:00:02,238 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [38], [42], [46], [49], [50], [54], [58], [62], [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], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:00:02,241 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:00:02,241 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:00:02,373 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:00:02,373 INFO L272 AbstractInterpreter]: Visited 132 different actions 256 times. Merged at 4 different actions 4 times. Never widened. Performed 3498 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3498 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 17:00:02,378 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:00:02,378 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:00:02,378 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:00:02,378 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/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 [2018-11-18 17:00:02,385 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:00:02,385 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:00:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:02,429 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:00:02,466 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 17:00:02,467 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:00:02,532 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 17:00:02,553 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 17:00:02,554 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-11-18 17:00:02,554 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 17:00:02,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 17:00:02,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 17:00:02,554 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:00:02,555 INFO L87 Difference]: Start difference. First operand 4168 states and 5369 transitions. Second operand 3 states. [2018-11-18 17:00:02,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:00:02,913 INFO L93 Difference]: Finished difference Result 11620 states and 15302 transitions. [2018-11-18 17:00:02,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 17:00:02,914 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 168 [2018-11-18 17:00:02,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:00:02,929 INFO L225 Difference]: With dead ends: 11620 [2018-11-18 17:00:02,930 INFO L226 Difference]: Without dead ends: 7638 [2018-11-18 17:00:02,938 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 341 GetRequests, 334 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-18 17:00:02,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7638 states. [2018-11-18 17:00:03,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7638 to 7599. [2018-11-18 17:00:03,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7599 states. [2018-11-18 17:00:03,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7599 states to 7599 states and 9663 transitions. [2018-11-18 17:00:03,119 INFO L78 Accepts]: Start accepts. Automaton has 7599 states and 9663 transitions. Word has length 168 [2018-11-18 17:00:03,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:00:03,119 INFO L480 AbstractCegarLoop]: Abstraction has 7599 states and 9663 transitions. [2018-11-18 17:00:03,119 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 17:00:03,119 INFO L276 IsEmpty]: Start isEmpty. Operand 7599 states and 9663 transitions. [2018-11-18 17:00:03,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 17:00:03,129 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:00:03,129 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:00:03,129 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:00:03,129 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:00:03,129 INFO L82 PathProgramCache]: Analyzing trace with hash -28989870, now seen corresponding path program 1 times [2018-11-18 17:00:03,130 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:00:03,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:00:03,131 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:00:03,131 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:00:03,131 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:00:03,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:03,193 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 74 proven. 16 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 17:00:03,193 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:00:03,194 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:00:03,194 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 195 with the following transitions: [2018-11-18 17:00:03,194 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [34], [37], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [85], [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], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:00:03,196 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:00:03,196 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:00:03,310 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:00:03,310 INFO L272 AbstractInterpreter]: Visited 133 different actions 258 times. Merged at 4 different actions 4 times. Never widened. Performed 3450 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3450 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 17:00:03,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:00:03,318 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:00:03,318 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:00:03,318 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/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 [2018-11-18 17:00:03,331 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:00:03,331 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:00:03,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:03,382 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:00:03,430 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 91 proven. 2 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2018-11-18 17:00:03,430 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:00:03,495 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 89 proven. 16 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 17:00:03,510 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:00:03,510 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 17:00:03,510 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:00:03,511 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:00:03,511 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:00:03,511 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:00:03,511 INFO L87 Difference]: Start difference. First operand 7599 states and 9663 transitions. Second operand 9 states. [2018-11-18 17:00:04,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:00:04,604 INFO L93 Difference]: Finished difference Result 16578 states and 21415 transitions. [2018-11-18 17:00:04,605 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2018-11-18 17:00:04,605 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 194 [2018-11-18 17:00:04,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:00:04,634 INFO L225 Difference]: With dead ends: 16578 [2018-11-18 17:00:04,634 INFO L226 Difference]: Without dead ends: 9259 [2018-11-18 17:00:04,651 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 419 GetRequests, 395 SyntacticMatches, 1 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 84 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=158, Invalid=442, Unknown=0, NotChecked=0, Total=600 [2018-11-18 17:00:04,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9259 states. [2018-11-18 17:00:04,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9259 to 8081. [2018-11-18 17:00:04,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8081 states. [2018-11-18 17:00:04,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8081 states to 8081 states and 9684 transitions. [2018-11-18 17:00:04,838 INFO L78 Accepts]: Start accepts. Automaton has 8081 states and 9684 transitions. Word has length 194 [2018-11-18 17:00:04,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:00:04,839 INFO L480 AbstractCegarLoop]: Abstraction has 8081 states and 9684 transitions. [2018-11-18 17:00:04,839 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:00:04,839 INFO L276 IsEmpty]: Start isEmpty. Operand 8081 states and 9684 transitions. [2018-11-18 17:00:04,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-11-18 17:00:04,855 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:00:04,855 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:00:04,856 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:00:04,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:00:04,856 INFO L82 PathProgramCache]: Analyzing trace with hash -1647638206, now seen corresponding path program 1 times [2018-11-18 17:00:04,856 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:00:04,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:00:04,857 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:00:04,857 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:00:04,857 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:00:04,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:04,954 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 104 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 17:00:04,955 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:00:04,955 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:00:04,955 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 203 with the following transitions: [2018-11-18 17:00:04,955 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [17], [18], [22], [26], [30], [34], [37], [38], [41], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [85], [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], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:00:04,957 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:00:04,958 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:00:05,225 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:00:05,225 INFO L272 AbstractInterpreter]: Visited 133 different actions 258 times. Merged at 4 different actions 4 times. Never widened. Performed 3442 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3442 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 17:00:05,226 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:00:05,226 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:00:05,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:00:05,227 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:00:05,233 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:00:05,233 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:00:05,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:05,283 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:00:05,333 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 114 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 17:00:05,333 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:00:05,405 INFO L134 CoverageAnalysis]: Checked inductivity of 152 backedges. 104 proven. 16 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 17:00:05,422 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:00:05,422 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 17:00:05,422 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:00:05,423 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 17:00:05,423 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 17:00:05,423 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 17:00:05,423 INFO L87 Difference]: Start difference. First operand 8081 states and 9684 transitions. Second operand 9 states. [2018-11-18 17:00:06,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:00:06,853 INFO L93 Difference]: Finished difference Result 16865 states and 20651 transitions. [2018-11-18 17:00:06,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2018-11-18 17:00:06,854 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 202 [2018-11-18 17:00:06,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:00:06,877 INFO L225 Difference]: With dead ends: 16865 [2018-11-18 17:00:06,878 INFO L226 Difference]: Without dead ends: 9064 [2018-11-18 17:00:06,894 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 415 SyntacticMatches, 1 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=175, Invalid=527, Unknown=0, NotChecked=0, Total=702 [2018-11-18 17:00:06,900 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9064 states. [2018-11-18 17:00:07,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9064 to 8813. [2018-11-18 17:00:07,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8813 states. [2018-11-18 17:00:07,029 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8813 states to 8813 states and 9979 transitions. [2018-11-18 17:00:07,029 INFO L78 Accepts]: Start accepts. Automaton has 8813 states and 9979 transitions. Word has length 202 [2018-11-18 17:00:07,030 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:00:07,030 INFO L480 AbstractCegarLoop]: Abstraction has 8813 states and 9979 transitions. [2018-11-18 17:00:07,030 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 17:00:07,030 INFO L276 IsEmpty]: Start isEmpty. Operand 8813 states and 9979 transitions. [2018-11-18 17:00:07,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-18 17:00:07,040 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 17:00:07,040 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 17:00:07,041 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 17:00:07,041 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:00:07,041 INFO L82 PathProgramCache]: Analyzing trace with hash 1787333195, now seen corresponding path program 1 times [2018-11-18 17:00:07,041 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 17:00:07,041 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:00:07,042 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:00:07,042 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 17:00:07,042 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 17:00:07,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:07,166 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 117 proven. 35 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-18 17:00:07,166 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:00:07,166 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 17:00:07,166 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 234 with the following transitions: [2018-11-18 17:00:07,166 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [17], [18], [22], [26], [30], [33], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [85], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [129], [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], [465], [473], [481], [489], [497], [505], [513], [521], [529], [537], [545], [553], [561], [569], [577], [585], [593], [601], [609], [617], [625], [633], [641], [645], [647], [757], [761], [765], [771], [775], [777], [782], [783], [784], [786], [787] [2018-11-18 17:00:07,168 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 17:00:07,169 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 17:00:07,396 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 17:00:07,397 INFO L272 AbstractInterpreter]: Visited 134 different actions 260 times. Merged at 4 different actions 4 times. Never widened. Performed 3482 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3482 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 42 variables. [2018-11-18 17:00:07,406 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 17:00:07,406 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 17:00:07,406 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 17:00:07,406 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 17:00:07,413 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 17:00:07,413 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 17:00:07,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 17:00:07,471 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 17:00:07,513 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 105 proven. 59 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 17:00:07,513 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 17:00:07,594 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 160 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-11-18 17:00:07,611 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 17:00:07,611 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4, 4] total 9 [2018-11-18 17:00:07,611 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 17:00:07,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-11-18 17:00:07,612 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-11-18 17:00:07,612 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 17:00:07,612 INFO L87 Difference]: Start difference. First operand 8813 states and 9979 transitions. Second operand 8 states. [2018-11-18 17:00:08,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 17:00:08,306 INFO L93 Difference]: Finished difference Result 13994 states and 15903 transitions. [2018-11-18 17:00:08,310 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 17:00:08,310 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 233 [2018-11-18 17:00:08,310 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 17:00:08,310 INFO L225 Difference]: With dead ends: 13994 [2018-11-18 17:00:08,311 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 17:00:08,323 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 485 GetRequests, 467 SyntacticMatches, 4 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2018-11-18 17:00:08,323 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 17:00:08,323 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 17:00:08,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 17:00:08,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 17:00:08,324 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 233 [2018-11-18 17:00:08,324 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 17:00:08,324 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 17:00:08,324 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-11-18 17:00:08,324 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 17:00:08,324 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 17:00:08,327 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 17:00:08,408 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,410 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,414 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,417 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,419 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,428 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,438 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,446 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,447 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,449 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,452 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,453 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,457 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,458 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,472 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,473 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,498 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,501 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,518 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,532 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,534 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,540 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,546 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,562 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:08,576 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 17:00:09,979 WARN L180 SmtUtils]: Spent 1.32 s on a formula simplification. DAG size of input: 187 DAG size of output: 110 [2018-11-18 17:00:10,328 WARN L180 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 70 [2018-11-18 17:00:10,618 WARN L180 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 73 [2018-11-18 17:00:10,619 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:00:10,620 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (<= |old(~a16~0)| ~a16~0) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-18 17:00:10,620 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:00:10,620 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-18 17:00:10,620 INFO L425 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-18 17:00:10,620 INFO L425 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,620 INFO L425 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,620 INFO L425 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,620 INFO L425 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,620 INFO L425 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,620 INFO L425 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,620 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-18 17:00:10,620 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-18 17:00:10,621 INFO L425 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-18 17:00:10,621 INFO L425 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-18 17:00:10,621 INFO L425 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-18 17:00:10,621 INFO L425 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-18 17:00:10,621 INFO L425 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-18 17:00:10,621 INFO L425 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-18 17:00:10,621 INFO L425 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-18 17:00:10,621 INFO L425 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-18 17:00:10,621 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 533) no Hoare annotation was computed. [2018-11-18 17:00:10,621 INFO L425 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,621 INFO L425 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,621 INFO L425 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,621 INFO L425 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,621 INFO L425 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,621 INFO L425 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,622 INFO L425 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,623 INFO L425 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,624 INFO L425 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,625 INFO L425 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-18 17:00:10,626 INFO L425 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-18 17:00:10,627 INFO L425 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,627 INFO L425 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,627 INFO L425 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,627 INFO L425 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,627 INFO L425 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,627 INFO L425 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-18 17:00:10,627 INFO L425 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-18 17:00:10,627 INFO L425 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-18 17:00:10,627 INFO L425 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-18 17:00:10,627 INFO L425 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-18 17:00:10,627 INFO L425 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-18 17:00:10,627 INFO L425 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-18 17:00:10,627 INFO L425 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-18 17:00:10,628 INFO L425 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,628 INFO L425 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,628 INFO L425 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,628 INFO L425 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,628 INFO L425 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,628 INFO L425 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-18 17:00:10,628 INFO L425 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-18 17:00:10,628 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-18 17:00:10,628 INFO L425 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-18 17:00:10,628 INFO L425 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-18 17:00:10,628 INFO L425 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-18 17:00:10,628 INFO L425 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-18 17:00:10,628 INFO L425 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-18 17:00:10,628 INFO L425 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-18 17:00:10,629 INFO L425 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-18 17:00:10,629 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse14 (<= 6 ~a16~0)) (.cse9 (<= ~a17~0 0)) (.cse20 (= ~a7~0 |old(~a7~0)|)) (.cse23 (= 1 ~a21~0)) (.cse11 (= 1 ~a7~0)) (.cse12 (= |old(~a8~0)| ~a8~0)) (.cse21 (<= |old(~a16~0)| ~a16~0)) (.cse22 (not (= ~a16~0 6))) (.cse13 (= ~a20~0 |old(~a20~0)|)) (.cse15 (= ~a21~0 |old(~a21~0)|))) (let ((.cse3 (and .cse11 .cse12 .cse21 .cse22 .cse13 .cse15)) (.cse24 (and .cse9 .cse20 .cse12 .cse21 .cse22 .cse23 .cse13)) (.cse18 (and .cse20 .cse12 .cse22)) (.cse28 (not (= 0 |old(~a7~0)|))) (.cse29 (not (= 15 |old(~a8~0)|))) (.cse30 (not (= 5 |old(~a16~0)|))) (.cse31 (not (= 8 ~a12~0))) (.cse25 (= |calculate_output_#in~input| 0)) (.cse26 (= ~a17~0 1)) (.cse27 (= ~a16~0 5)) (.cse32 (not (= 1 |old(~a17~0)|))) (.cse2 (not (= 1 |old(~a20~0)|))) (.cse19 (< 14 |old(~a8~0)|)) (.cse33 (and .cse20 .cse12 .cse13 .cse14 .cse15)) (.cse6 (= 13 |old(~a8~0)|)) (.cse16 (< |old(~a16~0)| 6)) (.cse4 (not (= 1 |old(~a7~0)|))) (.cse17 (< |old(~a8~0)| 15)) (.cse1 (< 13 |old(~a8~0)|)) (.cse34 (<= ~a20~0 0)) (.cse0 (= 6 |old(~a16~0)|)) (.cse5 (not (= 1 |old(~a21~0)|))) (.cse7 (< 0 |old(~a7~0)|)) (.cse8 (< 0 |old(~a17~0)|)) (.cse10 (< 0 |old(~a20~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8 .cse9 .cse10) (or .cse1 .cse2 .cse4 .cse8 (and .cse11 .cse12 .cse13 .cse14 .cse15) .cse16) (or (and .cse11 .cse12 .cse9) .cse4 .cse8 .cse17) (or .cse0 .cse5 .cse2 .cse18 .cse19 .cse7) (or .cse0 .cse5 (and .cse20 .cse12 .cse21 .cse22 .cse23 .cse13) .cse7 .cse10) (or .cse0 .cse3 .cse1 .cse4 .cse10) (or .cse0 .cse5 .cse2 .cse24 .cse7 .cse8) (or .cse25 (and .cse26 .cse27) (or .cse28 .cse5 .cse29 (not (= 0 |old(~a20~0)|)) .cse30 .cse31 .cse32)) (or .cse0 (and .cse11 .cse12 .cse22) .cse4 .cse17) (or .cse0 .cse5 .cse2 .cse4 .cse19 .cse24 .cse8) (or .cse5 .cse2 .cse7 .cse21 .cse16) (or .cse5 .cse2 .cse6 .cse7 .cse8 .cse9) (or .cse5 .cse33 .cse2 .cse7 .cse16) (or .cse0 (= |old(~a7~0)| 1) .cse1 .cse18) (or .cse0 .cse5 .cse6 .cse4 (and .cse11 .cse12 .cse21 .cse22 .cse9 .cse13 .cse15) .cse8 .cse10) (or .cse28 .cse5 .cse2 .cse29 .cse30 .cse31 .cse25 (and .cse26 .cse20 .cse12 .cse23 .cse13 .cse27) .cse32) (or .cse1 .cse2 .cse4 .cse8 .cse9) (or .cse5 (and .cse21 .cse13 .cse15) .cse2 .cse19 .cse7) (or .cse5 .cse33 .cse6 .cse7 .cse16 .cse10) (or (and .cse11 .cse12 .cse34) .cse4 .cse17 .cse10) (or .cse0 .cse1 .cse34 .cse10) (or .cse0 .cse5 .cse7 .cse8 .cse10 .cse9)))) [2018-11-18 17:00:10,629 INFO L425 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-18 17:00:10,629 INFO L425 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,629 INFO L425 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,629 INFO L425 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,629 INFO L425 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,629 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-18 17:00:10,629 INFO L425 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,630 INFO L425 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-18 17:00:10,631 INFO L425 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-18 17:00:10,632 INFO L425 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-18 17:00:10,633 INFO L425 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-18 17:00:10,633 INFO L425 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-18 17:00:10,633 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 17:00:10,633 INFO L421 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)) [2018-11-18 17:00:10,633 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 17:00:10,633 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 17:00:10,633 INFO L421 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)|)) (not (= 8 ~a12~0)) (and (= ~a17~0 1) (= ~a7~0 |old(~a7~0)|) (= |old(~a8~0)| ~a8~0) (= 1 ~a21~0) (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (= 1 |old(~a17~0)|))) [2018-11-18 17:00:10,633 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-18 17:00:10,633 INFO L421 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 14)) (.cse3 (<= ~a7~0 0)) (.cse0 (= 1 ~a20~0)) (.cse1 (= 1 ~a21~0)) (.cse5 (= ~a7~0 |old(~a7~0)|)) (.cse4 (<= ~a8~0 |old(~a8~0)|)) (.cse10 (<= 15 ~a8~0)) (.cse8 (<= ~a17~0 0)) (.cse9 (<= ~a8~0 13)) (.cse6 (= 1 ~a7~0)) (.cse7 (not (= ~a16~0 6))) (.cse11 (<= ~a20~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 8 ~a12~0)) (and (not (= main_~input~0 0)) (= ~a17~0 1) .cse4 .cse5 .cse1 (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (and .cse6 .cse0 .cse7 .cse8 .cse1 .cse2) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse1 (<= 6 ~a16~0) .cse3) (not (= 5 |old(~a16~0)|)) (and .cse9 .cse6 .cse0 .cse7) (and .cse0 .cse1 .cse8 .cse3) (and .cse4 .cse6 .cse10 .cse7) (and .cse1 (not (= ~a8~0 13)) .cse11 .cse3) (not (= 0 |old(~a7~0)|)) (and .cse7 .cse1 .cse11 .cse3) (and .cse9 .cse6 .cse0 .cse8) (and .cse6 .cse7 .cse8 .cse1 .cse11) (and .cse9 .cse5 .cse7) (and .cse4 .cse6 .cse10 .cse11) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse4 .cse6 .cse10 .cse8) (and .cse9 .cse6 .cse7 .cse11))) [2018-11-18 17:00:10,633 INFO L425 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-18 17:00:10,633 INFO L425 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-18 17:00:10,633 INFO L425 ceAbstractionStarter]: For program point L583-1(lines 583 593) no Hoare annotation was computed. [2018-11-18 17:00:10,634 INFO L421 ceAbstractionStarter]: At program point L583-3(lines 583 593) the Hoare annotation is: (let ((.cse2 (<= ~a8~0 14)) (.cse3 (<= ~a7~0 0)) (.cse0 (= 1 ~a20~0)) (.cse1 (= 1 ~a21~0)) (.cse5 (= ~a7~0 |old(~a7~0)|)) (.cse4 (<= ~a8~0 |old(~a8~0)|)) (.cse10 (<= 15 ~a8~0)) (.cse8 (<= ~a17~0 0)) (.cse9 (<= ~a8~0 13)) (.cse6 (= 1 ~a7~0)) (.cse7 (not (= ~a16~0 6))) (.cse11 (<= ~a20~0 0))) (or (not (= 1 |old(~a21~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and (= ~a17~0 1) .cse4 .cse5 .cse1 (= ~a20~0 |old(~a20~0)|) (= ~a16~0 5)) (not (= 8 ~a12~0)) (and .cse6 .cse0 .cse7 .cse8 .cse1 .cse2) (not (= 1 |old(~a20~0)|)) (and .cse0 .cse1 (<= 6 ~a16~0) .cse3) (not (= 5 |old(~a16~0)|)) (and .cse9 .cse6 .cse0 .cse7) (and .cse0 .cse1 .cse8 .cse3) (and .cse4 .cse6 .cse10 .cse7) (and .cse1 (not (= ~a8~0 13)) .cse11 .cse3) (not (= 0 |old(~a7~0)|)) (and .cse7 .cse1 .cse11 .cse3) (and .cse9 .cse6 .cse0 .cse8) (and .cse6 .cse7 .cse8 .cse1 .cse11) (and .cse9 .cse5 .cse7) (and .cse4 .cse6 .cse10 .cse11) (not (= 1 |old(~a17~0)|)) (not (= 15 |old(~a8~0)|)) (and .cse4 .cse6 .cse10 .cse8) (and .cse9 .cse6 .cse7 .cse11))) [2018-11-18 17:00:10,634 INFO L425 ceAbstractionStarter]: For program point L583-4(lines 577 594) no Hoare annotation was computed. [2018-11-18 17:00:10,645 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 05:00:10 BoogieIcfgContainer [2018-11-18 17:00:10,646 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 17:00:10,646 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 17:00:10,646 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 17:00:10,646 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 17:00:10,650 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:59:51" (3/4) ... [2018-11-18 17:00:10,660 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 17:00:10,665 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 17:00:10,665 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 17:00:10,665 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 17:00:10,675 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 17:00:10,675 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 17:00:10,698 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((!(1 == \old(a21)) || (((1 == a20 && 1 == a21) && a8 <= 14) && a7 <= 0)) || (((((a17 == 1 && a8 <= \old(a8)) && a7 == \old(a7)) && 1 == a21) && a20 == \old(a20)) && a16 == 5)) || !(8 == a12)) || (((((1 == a7 && 1 == a20) && !(a16 == 6)) && a17 <= 0) && 1 == a21) && a8 <= 14)) || !(1 == \old(a20))) || (((1 == a20 && 1 == a21) && 6 <= a16) && a7 <= 0)) || !(5 == \old(a16))) || (((a8 <= 13 && 1 == a7) && 1 == a20) && !(a16 == 6))) || (((1 == a20 && 1 == a21) && a17 <= 0) && a7 <= 0)) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && !(a16 == 6))) || (((1 == a21 && !(a8 == 13)) && a20 <= 0) && a7 <= 0)) || !(0 == \old(a7))) || (((!(a16 == 6) && 1 == a21) && a20 <= 0) && a7 <= 0)) || (((a8 <= 13 && 1 == a7) && 1 == a20) && a17 <= 0)) || ((((1 == a7 && !(a16 == 6)) && a17 <= 0) && 1 == a21) && a20 <= 0)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && a20 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && a17 <= 0)) || (((a8 <= 13 && 1 == a7) && !(a16 == 6)) && a20 <= 0) [2018-11-18 17:00:10,765 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_9ec31f1b-9a7e-4d37-87d8-526d0f183b16/bin-2019/utaipan/witness.graphml [2018-11-18 17:00:10,765 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 17:00:10,767 INFO L168 Benchmark]: Toolchain (without parser) took 20177.40 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 951.1 MB in the beginning and 1.8 GB in the end (delta: -830.3 MB). Peak memory consumption was 236.1 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:10,767 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 17:00:10,768 INFO L168 Benchmark]: CACSL2BoogieTranslator took 347.12 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:10,768 INFO L168 Benchmark]: Boogie Procedure Inliner took 85.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -253.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:10,768 INFO L168 Benchmark]: Boogie Preprocessor took 43.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:10,768 INFO L168 Benchmark]: RCFGBuilder took 767.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 115.3 MB). Peak memory consumption was 115.3 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:10,769 INFO L168 Benchmark]: TraceAbstraction took 18810.62 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 892.9 MB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -755.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 17:00:10,769 INFO L168 Benchmark]: Witness Printer took 119.53 ms. Allocated memory is still 2.1 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-11-18 17:00:10,770 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 347.12 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 85.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 173.5 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -253.3 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 43.87 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 767.06 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 115.3 MB). Peak memory consumption was 115.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 18810.62 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 892.9 MB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -755.6 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 119.53 ms. Allocated memory is still 2.1 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 22.4 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 533]: 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)) || (((1 == a20 && 1 == a21) && a8 <= 14) && a7 <= 0)) || (((((a17 == 1 && a8 <= \old(a8)) && a7 == \old(a7)) && 1 == a21) && a20 == \old(a20)) && a16 == 5)) || !(8 == a12)) || (((((1 == a7 && 1 == a20) && !(a16 == 6)) && a17 <= 0) && 1 == a21) && a8 <= 14)) || !(1 == \old(a20))) || (((1 == a20 && 1 == a21) && 6 <= a16) && a7 <= 0)) || !(5 == \old(a16))) || (((a8 <= 13 && 1 == a7) && 1 == a20) && !(a16 == 6))) || (((1 == a20 && 1 == a21) && a17 <= 0) && a7 <= 0)) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && !(a16 == 6))) || (((1 == a21 && !(a8 == 13)) && a20 <= 0) && a7 <= 0)) || !(0 == \old(a7))) || (((!(a16 == 6) && 1 == a21) && a20 <= 0) && a7 <= 0)) || (((a8 <= 13 && 1 == a7) && 1 == a20) && a17 <= 0)) || ((((1 == a7 && !(a16 == 6)) && a17 <= 0) && 1 == a21) && a20 <= 0)) || ((a8 <= 13 && a7 == \old(a7)) && !(a16 == 6))) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && a20 <= 0)) || !(1 == \old(a17))) || !(15 == \old(a8))) || (((a8 <= \old(a8) && 1 == a7) && 15 <= a8) && a17 <= 0)) || (((a8 <= 13 && 1 == a7) && !(a16 == 6)) && a20 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 208 locations, 1 error locations. SAFE Result, 18.7s OverallTime, 10 OverallIterations, 6 TraceHistogramMax, 11.0s AutomataDifference, 0.0s DeadEndRemovalTime, 2.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 1582 SDtfs, 8513 SDslu, 1706 SDs, 0 SdLazy, 12620 SolverSat, 2404 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.4s Time, PredicateUnifierStatistics: 4 DeclaredPredicates, 2668 GetRequests, 2524 SyntacticMatches, 13 SemanticMatches, 131 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=8813occurred in iteration=9, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 8 AbstIntIterations, 2 AbstIntStrong, 0.9979444417850574 AbsIntWeakeningRatio, 0.2140468227424749 AbsIntAvgWeakeningVarsNumRemoved, 29.755852842809364 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.7s AutomataMinimizationTime, 10 MinimizatonAttempts, 1552 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 246 PreInvPairs, 338 NumberOfFragments, 1294 HoareAnnotationTreeSize, 246 FomulaSimplifications, 9653 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 3532 FormulaSimplificationTreeSizeReductionInter, 2.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 2769 NumberOfCodeBlocks, 2769 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3850 ConstructedInterpolants, 0 QuantifiedInterpolants, 1394784 SizeOfPredicates, 8 NumberOfNonLiveVariables, 3258 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 22 InterpolantComputations, 6 PerfectInterpolantSequences, 1765/1967 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...