./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/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 cc0170d70ef5480c46fda2216609fae1210cf1eb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:30:24,109 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:30:24,110 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:30:24,119 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:30:24,119 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:30:24,120 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:30:24,120 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:30:24,122 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:30:24,123 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:30:24,123 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:30:24,124 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:30:24,124 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:30:24,125 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:30:24,125 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:30:24,126 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:30:24,127 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:30:24,127 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:30:24,128 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:30:24,130 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:30:24,131 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:30:24,131 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:30:24,132 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:30:24,134 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:30:24,134 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:30:24,134 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:30:24,135 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:30:24,135 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:30:24,136 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:30:24,136 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:30:24,137 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:30:24,137 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:30:24,138 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:30:24,138 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:30:24,138 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:30:24,139 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:30:24,139 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:30:24,139 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 06:30:24,149 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:30:24,149 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:30:24,150 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:30:24,150 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:30:24,150 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:30:24,150 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:30:24,150 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:30:24,151 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:30:24,151 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:30:24,151 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:30:24,151 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:30:24,151 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:30:24,151 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:30:24,152 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:30:24,152 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:30:24,152 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:30:24,152 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:30:24,152 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:30:24,153 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:30:24,153 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:30:24,153 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:30:24,153 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:30:24,153 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:30:24,153 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:30:24,153 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:30:24,154 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:30:24,154 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:30:24,154 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:30:24,154 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:30:24,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:30:24,154 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:30:24,154 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:30:24,155 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:30:24,155 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:30:24,155 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:30:24,155 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:30:24,155 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 06:30:24,155 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_d6ec6638-17e8-44a6-bcb2-fb73032a869f/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 -> cc0170d70ef5480c46fda2216609fae1210cf1eb [2018-11-23 06:30:24,178 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:30:24,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:30:24,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:30:24,191 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:30:24,191 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:30:24,192 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c [2018-11-23 06:30:24,239 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/bin-2019/utaipan/data/c3352c34f/3be9a98e3e2145a9b26908395abfff86/FLAG018480aca [2018-11-23 06:30:24,670 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:30:24,670 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/sv-benchmarks/c/eca-rers2012/Problem16_label13_true-unreach-call.c [2018-11-23 06:30:24,680 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/bin-2019/utaipan/data/c3352c34f/3be9a98e3e2145a9b26908395abfff86/FLAG018480aca [2018-11-23 06:30:24,690 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/bin-2019/utaipan/data/c3352c34f/3be9a98e3e2145a9b26908395abfff86 [2018-11-23 06:30:24,692 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:30:24,693 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:30:24,694 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:30:24,694 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:30:24,696 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:30:24,697 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:30:24" (1/1) ... [2018-11-23 06:30:24,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca46737 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:24, skipping insertion in model container [2018-11-23 06:30:24,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:30:24" (1/1) ... [2018-11-23 06:30:24,704 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:30:24,747 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:30:25,139 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:30:25,142 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:30:25,353 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:30:25,363 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:30:25,363 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:25 WrapperNode [2018-11-23 06:30:25,363 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:30:25,364 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:30:25,364 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:30:25,364 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:30:25,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:25" (1/1) ... [2018-11-23 06:30:25,388 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:25" (1/1) ... [2018-11-23 06:30:25,395 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:30:25,395 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:30:25,395 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:30:25,396 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:30:25,403 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:25" (1/1) ... [2018-11-23 06:30:25,403 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:25" (1/1) ... [2018-11-23 06:30:25,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:25" (1/1) ... [2018-11-23 06:30:25,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:25" (1/1) ... [2018-11-23 06:30:25,439 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:25" (1/1) ... [2018-11-23 06:30:25,449 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:25" (1/1) ... [2018-11-23 06:30:25,458 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:25" (1/1) ... [2018-11-23 06:30:25,466 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:30:25,467 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:30:25,467 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:30:25,467 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:30:25,467 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/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 [2018-11-23 06:30:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 06:30:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:30:25,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:30:25,509 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-23 06:30:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-23 06:30:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 06:30:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 06:30:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:30:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:30:25,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:30:25,510 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:30:26,990 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:30:26,990 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 06:30:26,990 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:30:26 BoogieIcfgContainer [2018-11-23 06:30:26,990 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:30:26,991 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:30:26,991 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:30:26,993 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:30:26,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:30:24" (1/3) ... [2018-11-23 06:30:26,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64537897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:30:26, skipping insertion in model container [2018-11-23 06:30:26,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:30:25" (2/3) ... [2018-11-23 06:30:26,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@64537897 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:30:26, skipping insertion in model container [2018-11-23 06:30:26,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:30:26" (3/3) ... [2018-11-23 06:30:26,996 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label13_true-unreach-call.c [2018-11-23 06:30:27,002 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:30:27,007 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:30:27,017 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:30:27,041 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:30:27,042 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:30:27,042 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:30:27,042 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:30:27,042 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:30:27,042 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:30:27,042 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:30:27,042 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:30:27,062 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-11-23 06:30:27,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2018-11-23 06:30:27,068 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:30:27,069 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:30:27,070 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:30:27,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:30:27,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1029807235, now seen corresponding path program 1 times [2018-11-23 06:30:27,076 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:30:27,105 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:30:27,106 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:30:27,106 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:30:27,106 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:30:27,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:30:27,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:30:27,297 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:30:27,297 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:30:27,297 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:30:27,301 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:30:27,309 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:30:27,309 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:30:27,311 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-11-23 06:30:28,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:30:28,552 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-11-23 06:30:28,552 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:30:28,553 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 62 [2018-11-23 06:30:28,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:30:28,564 INFO L225 Difference]: With dead ends: 1153 [2018-11-23 06:30:28,565 INFO L226 Difference]: Without dead ends: 742 [2018-11-23 06:30:28,569 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:30:28,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-11-23 06:30:28,623 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-11-23 06:30:28,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-23 06:30:28,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1353 transitions. [2018-11-23 06:30:28,629 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1353 transitions. Word has length 62 [2018-11-23 06:30:28,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:30:28,630 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1353 transitions. [2018-11-23 06:30:28,630 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:30:28,630 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1353 transitions. [2018-11-23 06:30:28,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-23 06:30:28,635 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:30:28,635 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 06:30:28,635 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:30:28,635 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:30:28,636 INFO L82 PathProgramCache]: Analyzing trace with hash -1750057103, now seen corresponding path program 1 times [2018-11-23 06:30:28,636 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:30:28,637 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:30:28,638 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:30:28,638 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:30:28,638 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:30:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:30:28,755 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:30:28,755 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:30:28,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-23 06:30:28,756 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:30:28,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-23 06:30:28,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-23 06:30:28,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-23 06:30:28,758 INFO L87 Difference]: Start difference. First operand 742 states and 1353 transitions. Second operand 5 states. [2018-11-23 06:30:30,501 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:30:30,501 INFO L93 Difference]: Finished difference Result 2186 states and 4075 transitions. [2018-11-23 06:30:30,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:30:30,502 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 131 [2018-11-23 06:30:30,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:30:30,512 INFO L225 Difference]: With dead ends: 2186 [2018-11-23 06:30:30,512 INFO L226 Difference]: Without dead ends: 1450 [2018-11-23 06:30:30,515 INFO L631 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 [2018-11-23 06:30:30,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1450 states. [2018-11-23 06:30:30,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1450 to 1432. [2018-11-23 06:30:30,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1432 states. [2018-11-23 06:30:30,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1432 states and 2546 transitions. [2018-11-23 06:30:30,560 INFO L78 Accepts]: Start accepts. Automaton has 1432 states and 2546 transitions. Word has length 131 [2018-11-23 06:30:30,560 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:30:30,560 INFO L480 AbstractCegarLoop]: Abstraction has 1432 states and 2546 transitions. [2018-11-23 06:30:30,560 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-23 06:30:30,561 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 2546 transitions. [2018-11-23 06:30:30,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-23 06:30:30,564 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:30:30,564 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 06:30:30,565 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:30:30,565 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:30:30,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1781549380, now seen corresponding path program 1 times [2018-11-23 06:30:30,565 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:30:30,566 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:30:30,566 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:30:30,567 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:30:30,567 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:30:30,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:30:30,689 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:30:30,689 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:30:30,689 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:30:30,689 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:30:30,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:30:30,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:30:30,690 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:30:30,690 INFO L87 Difference]: Start difference. First operand 1432 states and 2546 transitions. Second operand 6 states. [2018-11-23 06:30:32,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:30:32,968 INFO L93 Difference]: Finished difference Result 3924 states and 7012 transitions. [2018-11-23 06:30:32,968 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:30:32,969 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2018-11-23 06:30:32,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:30:32,981 INFO L225 Difference]: With dead ends: 3924 [2018-11-23 06:30:32,981 INFO L226 Difference]: Without dead ends: 2498 [2018-11-23 06:30:32,988 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:30:32,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2018-11-23 06:30:33,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2473. [2018-11-23 06:30:33,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2473 states. [2018-11-23 06:30:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2473 states and 3990 transitions. [2018-11-23 06:30:33,048 INFO L78 Accepts]: Start accepts. Automaton has 2473 states and 3990 transitions. Word has length 160 [2018-11-23 06:30:33,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:30:33,049 INFO L480 AbstractCegarLoop]: Abstraction has 2473 states and 3990 transitions. [2018-11-23 06:30:33,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:30:33,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3990 transitions. [2018-11-23 06:30:33,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-23 06:30:33,052 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:30:33,053 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:30:33,053 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:30:33,053 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:30:33,053 INFO L82 PathProgramCache]: Analyzing trace with hash -1787873856, now seen corresponding path program 1 times [2018-11-23 06:30:33,053 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:30:33,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:30:33,055 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:30:33,055 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:30:33,055 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:30:33,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:30:33,166 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:30:33,166 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:30:33,166 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-23 06:30:33,166 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:30:33,167 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:30:33,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:30:33,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:30:33,167 INFO L87 Difference]: Start difference. First operand 2473 states and 3990 transitions. Second operand 6 states. [2018-11-23 06:30:34,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:30:34,457 INFO L93 Difference]: Finished difference Result 6029 states and 9875 transitions. [2018-11-23 06:30:34,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:30:34,457 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 178 [2018-11-23 06:30:34,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:30:34,467 INFO L225 Difference]: With dead ends: 6029 [2018-11-23 06:30:34,467 INFO L226 Difference]: Without dead ends: 3562 [2018-11-23 06:30:34,472 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:30:34,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3562 states. [2018-11-23 06:30:34,516 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3562 to 3536. [2018-11-23 06:30:34,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3536 states. [2018-11-23 06:30:34,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3536 states and 4956 transitions. [2018-11-23 06:30:34,523 INFO L78 Accepts]: Start accepts. Automaton has 3536 states and 4956 transitions. Word has length 178 [2018-11-23 06:30:34,523 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:30:34,523 INFO L480 AbstractCegarLoop]: Abstraction has 3536 states and 4956 transitions. [2018-11-23 06:30:34,523 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:30:34,523 INFO L276 IsEmpty]: Start isEmpty. Operand 3536 states and 4956 transitions. [2018-11-23 06:30:34,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-23 06:30:34,525 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:30:34,526 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:30:34,526 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:30:34,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:30:34,526 INFO L82 PathProgramCache]: Analyzing trace with hash -1569357003, now seen corresponding path program 1 times [2018-11-23 06:30:34,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:30:34,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:30:34,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:30:34,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:30:34,527 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:30:34,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:30:34,653 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 121 proven. 54 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 06:30:34,653 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:30:34,653 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:30:34,654 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 261 with the following transitions: [2018-11-23 06:30:34,655 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:30:34,688 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:30:34,688 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:30:35,004 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:30:35,005 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1261 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1261 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-23 06:30:35,014 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:30:35,014 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:30:35,370 INFO L227 lantSequenceWeakener]: Weakened 251 states. On average, predicates are now at 78.08% of their original sizes. [2018-11-23 06:30:35,370 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:30:35,409 INFO L415 sIntCurrentIteration]: We unified 259 AI predicates to 259 [2018-11-23 06:30:35,409 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:30:35,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:30:35,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-11-23 06:30:35,410 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:30:35,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:30:35,411 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:30:35,411 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:30:35,411 INFO L87 Difference]: Start difference. First operand 3536 states and 4956 transitions. Second operand 6 states. [2018-11-23 06:31:33,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:31:33,084 INFO L93 Difference]: Finished difference Result 7404 states and 10324 transitions. [2018-11-23 06:31:33,084 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-23 06:31:33,084 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 260 [2018-11-23 06:31:33,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:31:33,094 INFO L225 Difference]: With dead ends: 7404 [2018-11-23 06:31:33,094 INFO L226 Difference]: Without dead ends: 3874 [2018-11-23 06:31:33,100 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 260 GetRequests, 255 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:31:33,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3874 states. [2018-11-23 06:31:33,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3874 to 3873. [2018-11-23 06:31:33,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3873 states. [2018-11-23 06:31:33,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3873 states to 3873 states and 5301 transitions. [2018-11-23 06:31:33,166 INFO L78 Accepts]: Start accepts. Automaton has 3873 states and 5301 transitions. Word has length 260 [2018-11-23 06:31:33,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:31:33,167 INFO L480 AbstractCegarLoop]: Abstraction has 3873 states and 5301 transitions. [2018-11-23 06:31:33,167 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:31:33,167 INFO L276 IsEmpty]: Start isEmpty. Operand 3873 states and 5301 transitions. [2018-11-23 06:31:33,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 352 [2018-11-23 06:31:33,172 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:31:33,173 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:31:33,173 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:31:33,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:31:33,174 INFO L82 PathProgramCache]: Analyzing trace with hash -314338147, now seen corresponding path program 1 times [2018-11-23 06:31:33,174 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:31:33,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:31:33,175 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:31:33,175 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:31:33,175 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:31:33,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:31:33,386 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 235 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-23 06:31:33,386 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:31:33,386 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:31:33,386 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 352 with the following transitions: [2018-11-23 06:31:33,386 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:31:33,390 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:31:33,390 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:31:33,636 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:31:33,637 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4094 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4094 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 06:31:33,651 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:31:33,651 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:31:33,949 INFO L227 lantSequenceWeakener]: Weakened 348 states. On average, predicates are now at 80.62% of their original sizes. [2018-11-23 06:31:33,949 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:31:33,999 INFO L415 sIntCurrentIteration]: We unified 350 AI predicates to 350 [2018-11-23 06:31:34,000 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:31:34,000 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:31:34,000 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-23 06:31:34,000 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:31:34,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:31:34,001 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:31:34,001 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:31:34,001 INFO L87 Difference]: Start difference. First operand 3873 states and 5301 transitions. Second operand 10 states. [2018-11-23 06:32:32,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:32:32,344 INFO L93 Difference]: Finished difference Result 9036 states and 12427 transitions. [2018-11-23 06:32:32,344 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 06:32:32,344 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 351 [2018-11-23 06:32:32,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:32:32,362 INFO L225 Difference]: With dead ends: 9036 [2018-11-23 06:32:32,362 INFO L226 Difference]: Without dead ends: 5506 [2018-11-23 06:32:32,374 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 360 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 06:32:32,379 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5506 states. [2018-11-23 06:32:32,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5506 to 5473. [2018-11-23 06:32:32,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5473 states. [2018-11-23 06:32:32,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5473 states to 5473 states and 7087 transitions. [2018-11-23 06:32:32,489 INFO L78 Accepts]: Start accepts. Automaton has 5473 states and 7087 transitions. Word has length 351 [2018-11-23 06:32:32,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:32:32,489 INFO L480 AbstractCegarLoop]: Abstraction has 5473 states and 7087 transitions. [2018-11-23 06:32:32,490 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:32:32,490 INFO L276 IsEmpty]: Start isEmpty. Operand 5473 states and 7087 transitions. [2018-11-23 06:32:32,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 500 [2018-11-23 06:32:32,502 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:32:32,503 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:32:32,503 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:32:32,503 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:32:32,503 INFO L82 PathProgramCache]: Analyzing trace with hash 518481461, now seen corresponding path program 1 times [2018-11-23 06:32:32,503 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:32:32,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:32:32,504 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:32:32,504 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:32:32,504 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:32:32,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:32:32,757 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 248 proven. 54 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-11-23 06:32:32,758 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:32:32,758 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:32:32,758 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 500 with the following transitions: [2018-11-23 06:32:32,758 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:32:32,764 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:32:32,765 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:32:33,050 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:32:33,050 INFO L272 AbstractInterpreter]: Visited 249 different actions 745 times. Merged at 7 different actions 20 times. Never widened. Performed 8446 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8446 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 06:32:33,052 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:32:33,053 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:32:33,053 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:32:33,053 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/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 [2018-11-23 06:32:33,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:32:33,064 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:32:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:32:33,154 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:32:33,331 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-11-23 06:32:33,331 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:32:33,492 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 171 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-11-23 06:32:33,508 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:32:33,508 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-11-23 06:32:33,508 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:32:33,509 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:32:33,509 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:32:33,509 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:32:33,509 INFO L87 Difference]: Start difference. First operand 5473 states and 7087 transitions. Second operand 3 states. [2018-11-23 06:32:34,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:32:34,384 INFO L93 Difference]: Finished difference Result 10603 states and 13830 transitions. [2018-11-23 06:32:34,384 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:32:34,384 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 499 [2018-11-23 06:32:34,385 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:32:34,394 INFO L225 Difference]: With dead ends: 10603 [2018-11-23 06:32:34,394 INFO L226 Difference]: Without dead ends: 5473 [2018-11-23 06:32:34,408 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1004 GetRequests, 999 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:32:34,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5473 states. [2018-11-23 06:32:34,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5473 to 5473. [2018-11-23 06:32:34,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5473 states. [2018-11-23 06:32:34,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5473 states to 5473 states and 6785 transitions. [2018-11-23 06:32:34,495 INFO L78 Accepts]: Start accepts. Automaton has 5473 states and 6785 transitions. Word has length 499 [2018-11-23 06:32:34,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:32:34,496 INFO L480 AbstractCegarLoop]: Abstraction has 5473 states and 6785 transitions. [2018-11-23 06:32:34,496 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:32:34,496 INFO L276 IsEmpty]: Start isEmpty. Operand 5473 states and 6785 transitions. [2018-11-23 06:32:34,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2018-11-23 06:32:34,503 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:32:34,503 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:32:34,504 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:32:34,504 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:32:34,504 INFO L82 PathProgramCache]: Analyzing trace with hash 747170973, now seen corresponding path program 1 times [2018-11-23 06:32:34,504 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:32:34,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:32:34,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:32:34,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:32:34,505 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:32:34,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:32:35,125 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 75 proven. 254 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 06:32:35,125 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:32:35,125 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:32:35,125 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 525 with the following transitions: [2018-11-23 06:32:35,126 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:32:35,129 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:32:35,129 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:32:35,346 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:32:35,346 INFO L272 AbstractInterpreter]: Visited 247 different actions 738 times. Merged at 6 different actions 17 times. Never widened. Performed 8327 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8327 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 06:32:35,353 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:32:35,353 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:32:35,610 INFO L227 lantSequenceWeakener]: Weakened 521 states. On average, predicates are now at 80.36% of their original sizes. [2018-11-23 06:32:35,610 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:32:35,661 INFO L415 sIntCurrentIteration]: We unified 523 AI predicates to 523 [2018-11-23 06:32:35,661 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:32:35,661 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:32:35,661 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-11-23 06:32:35,662 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:32:35,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:32:35,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:32:35,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:32:35,663 INFO L87 Difference]: Start difference. First operand 5473 states and 6785 transitions. Second operand 10 states. [2018-11-23 06:33:41,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:33:41,740 INFO L93 Difference]: Finished difference Result 12717 states and 15813 transitions. [2018-11-23 06:33:41,741 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 06:33:41,741 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 524 [2018-11-23 06:33:41,742 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:33:41,754 INFO L225 Difference]: With dead ends: 12717 [2018-11-23 06:33:41,755 INFO L226 Difference]: Without dead ends: 7587 [2018-11-23 06:33:41,762 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 533 GetRequests, 515 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-23 06:33:41,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7587 states. [2018-11-23 06:33:41,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7587 to 7572. [2018-11-23 06:33:41,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7572 states. [2018-11-23 06:33:41,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7572 states to 7572 states and 9093 transitions. [2018-11-23 06:33:41,835 INFO L78 Accepts]: Start accepts. Automaton has 7572 states and 9093 transitions. Word has length 524 [2018-11-23 06:33:41,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:33:41,836 INFO L480 AbstractCegarLoop]: Abstraction has 7572 states and 9093 transitions. [2018-11-23 06:33:41,836 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:33:41,836 INFO L276 IsEmpty]: Start isEmpty. Operand 7572 states and 9093 transitions. [2018-11-23 06:33:41,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 662 [2018-11-23 06:33:41,844 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:33:41,844 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:33:41,845 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:33:41,845 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:33:41,845 INFO L82 PathProgramCache]: Analyzing trace with hash -484220612, now seen corresponding path program 1 times [2018-11-23 06:33:41,845 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:33:41,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:33:41,846 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:33:41,846 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:33:41,846 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:33:41,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:33:42,138 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 459 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-11-23 06:33:42,138 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:33:42,138 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:33:42,139 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 662 with the following transitions: [2018-11-23 06:33:42,139 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:33:42,142 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:33:42,142 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:33:42,526 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:33:42,526 INFO L272 AbstractInterpreter]: Visited 250 different actions 996 times. Merged at 8 different actions 28 times. Never widened. Performed 11676 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11676 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-23 06:33:42,530 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:33:42,530 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:33:42,530 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:33:42,530 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/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 [2018-11-23 06:33:42,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:33:42,537 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:33:42,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:33:42,619 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:33:42,822 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 742 proven. 2 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2018-11-23 06:33:42,822 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:33:43,149 INFO L134 CoverageAnalysis]: Checked inductivity of 926 backedges. 459 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-11-23 06:33:43,164 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:33:43,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 06:33:43,165 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:33:43,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:33:43,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:33:43,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 06:33:43,165 INFO L87 Difference]: Start difference. First operand 7572 states and 9093 transitions. Second operand 9 states. [2018-11-23 06:33:45,573 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:33:45,573 INFO L93 Difference]: Finished difference Result 17358 states and 21921 transitions. [2018-11-23 06:33:45,573 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-23 06:33:45,573 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 661 [2018-11-23 06:33:45,574 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:33:45,597 INFO L225 Difference]: With dead ends: 17358 [2018-11-23 06:33:45,597 INFO L226 Difference]: Without dead ends: 10129 [2018-11-23 06:33:45,619 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1343 GetRequests, 1325 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-11-23 06:33:45,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10129 states. [2018-11-23 06:33:45,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10129 to 10109. [2018-11-23 06:33:45,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10109 states. [2018-11-23 06:33:45,782 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10109 states to 10109 states and 12346 transitions. [2018-11-23 06:33:45,783 INFO L78 Accepts]: Start accepts. Automaton has 10109 states and 12346 transitions. Word has length 661 [2018-11-23 06:33:45,783 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:33:45,783 INFO L480 AbstractCegarLoop]: Abstraction has 10109 states and 12346 transitions. [2018-11-23 06:33:45,783 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:33:45,783 INFO L276 IsEmpty]: Start isEmpty. Operand 10109 states and 12346 transitions. [2018-11-23 06:33:45,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 914 [2018-11-23 06:33:45,803 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:33:45,804 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 06:33:45,804 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:33:45,804 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:33:45,804 INFO L82 PathProgramCache]: Analyzing trace with hash -364421937, now seen corresponding path program 1 times [2018-11-23 06:33:45,805 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:33:45,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:33:45,805 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:33:45,805 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:33:45,805 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:33:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:33:46,618 INFO L134 CoverageAnalysis]: Checked inductivity of 1512 backedges. 707 proven. 521 refuted. 0 times theorem prover too weak. 284 trivial. 0 not checked. [2018-11-23 06:33:46,619 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:33:46,619 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:33:46,619 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 914 with the following transitions: [2018-11-23 06:33:46,619 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:33:46,622 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:33:46,622 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:33:46,845 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:33:46,846 INFO L272 AbstractInterpreter]: Visited 260 different actions 767 times. Merged at 4 different actions 7 times. Never widened. Performed 8951 root evaluator evaluations with a maximum evaluation depth of 9. Performed 8951 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-23 06:33:46,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:33:46,850 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:33:47,278 INFO L227 lantSequenceWeakener]: Weakened 910 states. On average, predicates are now at 80.25% of their original sizes. [2018-11-23 06:33:47,278 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:33:47,327 INFO L415 sIntCurrentIteration]: We unified 912 AI predicates to 912 [2018-11-23 06:33:47,327 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:33:47,327 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:33:47,328 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2018-11-23 06:33:47,328 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:33:47,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:33:47,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:33:47,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:33:47,328 INFO L87 Difference]: Start difference. First operand 10109 states and 12346 transitions. Second operand 9 states. [2018-11-23 06:34:30,409 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:34:30,409 INFO L93 Difference]: Finished difference Result 19890 states and 24414 transitions. [2018-11-23 06:34:30,410 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-23 06:34:30,410 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 913 [2018-11-23 06:34:30,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:34:30,442 INFO L225 Difference]: With dead ends: 19890 [2018-11-23 06:34:30,442 INFO L226 Difference]: Without dead ends: 10124 [2018-11-23 06:34:30,462 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 919 GetRequests, 905 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-23 06:34:30,471 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10124 states. [2018-11-23 06:34:30,633 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10124 to 10113. [2018-11-23 06:34:30,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10113 states. [2018-11-23 06:34:30,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10113 states to 10113 states and 12326 transitions. [2018-11-23 06:34:30,650 INFO L78 Accepts]: Start accepts. Automaton has 10113 states and 12326 transitions. Word has length 913 [2018-11-23 06:34:30,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:34:30,651 INFO L480 AbstractCegarLoop]: Abstraction has 10113 states and 12326 transitions. [2018-11-23 06:34:30,651 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:34:30,651 INFO L276 IsEmpty]: Start isEmpty. Operand 10113 states and 12326 transitions. [2018-11-23 06:34:30,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 948 [2018-11-23 06:34:30,662 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:34:30,663 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:34:30,663 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:34:30,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:34:30,663 INFO L82 PathProgramCache]: Analyzing trace with hash -2059990858, now seen corresponding path program 1 times [2018-11-23 06:34:30,663 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:34:30,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:34:30,664 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:34:30,664 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:34:30,664 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:34:30,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:34:31,399 INFO L134 CoverageAnalysis]: Checked inductivity of 2067 backedges. 894 proven. 564 refuted. 0 times theorem prover too weak. 609 trivial. 0 not checked. [2018-11-23 06:34:31,399 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:34:31,399 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:34:31,399 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 948 with the following transitions: [2018-11-23 06:34:31,399 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:34:31,402 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:34:31,402 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:34:31,790 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:34:31,790 INFO L272 AbstractInterpreter]: Visited 252 different actions 1015 times. Merged at 10 different actions 39 times. Widened at 1 different actions 1 times. Performed 11871 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11871 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-23 06:34:31,792 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:34:31,792 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:34:31,792 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:34:31,792 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/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 [2018-11-23 06:34:31,803 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:34:31,803 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:34:31,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:34:31,920 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:34:32,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2067 backedges. 908 proven. 54 refuted. 0 times theorem prover too weak. 1105 trivial. 0 not checked. [2018-11-23 06:34:32,196 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:34:32,742 INFO L134 CoverageAnalysis]: Checked inductivity of 2067 backedges. 960 proven. 2 refuted. 0 times theorem prover too weak. 1105 trivial. 0 not checked. [2018-11-23 06:34:32,757 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:34:32,758 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2018-11-23 06:34:32,758 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:34:32,758 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:34:32,758 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:34:32,758 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2018-11-23 06:34:32,759 INFO L87 Difference]: Start difference. First operand 10113 states and 12326 transitions. Second operand 10 states. [2018-11-23 06:34:36,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:34:36,579 INFO L93 Difference]: Finished difference Result 29504 states and 36718 transitions. [2018-11-23 06:34:36,579 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-23 06:34:36,579 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 947 [2018-11-23 06:34:36,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:34:36,615 INFO L225 Difference]: With dead ends: 29504 [2018-11-23 06:34:36,615 INFO L226 Difference]: Without dead ends: 17933 [2018-11-23 06:34:36,643 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1940 GetRequests, 1907 SyntacticMatches, 4 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=215, Invalid=715, Unknown=0, NotChecked=0, Total=930 [2018-11-23 06:34:36,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17933 states. [2018-11-23 06:34:36,791 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17933 to 15514. [2018-11-23 06:34:36,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15514 states. [2018-11-23 06:34:36,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15514 states to 15514 states and 17927 transitions. [2018-11-23 06:34:36,814 INFO L78 Accepts]: Start accepts. Automaton has 15514 states and 17927 transitions. Word has length 947 [2018-11-23 06:34:36,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:34:36,815 INFO L480 AbstractCegarLoop]: Abstraction has 15514 states and 17927 transitions. [2018-11-23 06:34:36,815 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:34:36,815 INFO L276 IsEmpty]: Start isEmpty. Operand 15514 states and 17927 transitions. [2018-11-23 06:34:36,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 986 [2018-11-23 06:34:36,827 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:34:36,827 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 06:34:36,827 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:34:36,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:34:36,828 INFO L82 PathProgramCache]: Analyzing trace with hash 1726779679, now seen corresponding path program 1 times [2018-11-23 06:34:36,828 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:34:36,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:34:36,828 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:34:36,828 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:34:36,828 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:34:36,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:34:37,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 966 proven. 2 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked. [2018-11-23 06:34:37,343 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:34:37,343 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:34:37,344 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 986 with the following transitions: [2018-11-23 06:34:37,344 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:34:37,346 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:34:37,347 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:34:37,899 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:34:37,899 INFO L272 AbstractInterpreter]: Visited 251 different actions 1003 times. Merged at 9 different actions 31 times. Never widened. Performed 11764 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11764 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 06:34:37,900 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:34:37,900 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:34:37,900 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:34:37,900 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/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 [2018-11-23 06:34:37,906 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:34:37,906 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:34:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:34:38,026 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:34:38,355 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 966 proven. 2 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked. [2018-11-23 06:34:38,355 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:34:38,744 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 966 proven. 2 refuted. 0 times theorem prover too weak. 897 trivial. 0 not checked. [2018-11-23 06:34:38,759 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:34:38,760 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-23 06:34:38,760 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:34:38,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:34:38,761 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:34:38,761 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-11-23 06:34:38,761 INFO L87 Difference]: Start difference. First operand 15514 states and 17927 transitions. Second operand 9 states. [2018-11-23 06:34:41,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:34:41,571 INFO L93 Difference]: Finished difference Result 45728 states and 58896 transitions. [2018-11-23 06:34:41,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 06:34:41,572 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 985 [2018-11-23 06:34:41,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:34:41,685 INFO L225 Difference]: With dead ends: 45728 [2018-11-23 06:34:41,685 INFO L226 Difference]: Without dead ends: 22954 [2018-11-23 06:34:41,869 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1994 GetRequests, 1974 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=135, Invalid=285, Unknown=0, NotChecked=0, Total=420 [2018-11-23 06:34:41,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22954 states. [2018-11-23 06:34:42,176 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22954 to 22634. [2018-11-23 06:34:42,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22634 states. [2018-11-23 06:34:42,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22634 states to 22634 states and 26087 transitions. [2018-11-23 06:34:42,248 INFO L78 Accepts]: Start accepts. Automaton has 22634 states and 26087 transitions. Word has length 985 [2018-11-23 06:34:42,249 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:34:42,249 INFO L480 AbstractCegarLoop]: Abstraction has 22634 states and 26087 transitions. [2018-11-23 06:34:42,249 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:34:42,249 INFO L276 IsEmpty]: Start isEmpty. Operand 22634 states and 26087 transitions. [2018-11-23 06:34:42,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1256 [2018-11-23 06:34:42,285 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:34:42,285 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:34:42,285 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:34:42,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:34:42,286 INFO L82 PathProgramCache]: Analyzing trace with hash 327969956, now seen corresponding path program 1 times [2018-11-23 06:34:42,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:34:42,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:34:42,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:34:42,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:34:42,287 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:34:42,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:34:43,160 INFO L134 CoverageAnalysis]: Checked inductivity of 3750 backedges. 1410 proven. 2 refuted. 0 times theorem prover too weak. 2338 trivial. 0 not checked. [2018-11-23 06:34:43,160 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:34:43,160 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:34:43,160 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1256 with the following transitions: [2018-11-23 06:34:43,160 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:34:43,162 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:34:43,162 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:34:43,623 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:34:43,623 INFO L272 AbstractInterpreter]: Visited 254 different actions 1020 times. Merged at 11 different actions 36 times. Never widened. Performed 11937 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11937 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-23 06:34:43,627 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:34:43,627 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:34:43,627 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:34:43,627 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/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 [2018-11-23 06:34:43,633 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:34:43,633 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:34:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:34:43,768 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:34:44,297 INFO L134 CoverageAnalysis]: Checked inductivity of 3750 backedges. 1410 proven. 2 refuted. 0 times theorem prover too weak. 2338 trivial. 0 not checked. [2018-11-23 06:34:44,297 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:34:44,826 INFO L134 CoverageAnalysis]: Checked inductivity of 3750 backedges. 1410 proven. 2 refuted. 0 times theorem prover too weak. 2338 trivial. 0 not checked. [2018-11-23 06:34:44,842 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:34:44,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 06:34:44,842 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:34:44,843 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:34:44,843 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:34:44,843 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:34:44,844 INFO L87 Difference]: Start difference. First operand 22634 states and 26087 transitions. Second operand 9 states. [2018-11-23 06:34:47,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:34:47,156 INFO L93 Difference]: Finished difference Result 46986 states and 53721 transitions. [2018-11-23 06:34:47,157 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 06:34:47,157 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1255 [2018-11-23 06:34:47,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:34:47,191 INFO L225 Difference]: With dead ends: 46986 [2018-11-23 06:34:47,191 INFO L226 Difference]: Without dead ends: 20379 [2018-11-23 06:34:47,259 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2537 GetRequests, 2515 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-23 06:34:47,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20379 states. [2018-11-23 06:34:47,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20379 to 19496. [2018-11-23 06:34:47,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19496 states. [2018-11-23 06:34:47,437 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19496 states to 19496 states and 20728 transitions. [2018-11-23 06:34:47,438 INFO L78 Accepts]: Start accepts. Automaton has 19496 states and 20728 transitions. Word has length 1255 [2018-11-23 06:34:47,438 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:34:47,438 INFO L480 AbstractCegarLoop]: Abstraction has 19496 states and 20728 transitions. [2018-11-23 06:34:47,439 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:34:47,439 INFO L276 IsEmpty]: Start isEmpty. Operand 19496 states and 20728 transitions. [2018-11-23 06:34:47,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1353 [2018-11-23 06:34:47,453 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:34:47,453 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:34:47,454 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:34:47,454 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:34:47,454 INFO L82 PathProgramCache]: Analyzing trace with hash 656434981, now seen corresponding path program 1 times [2018-11-23 06:34:47,454 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:34:47,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:34:47,455 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:34:47,455 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:34:47,455 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:34:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:34:48,220 INFO L134 CoverageAnalysis]: Checked inductivity of 3791 backedges. 461 proven. 0 refuted. 0 times theorem prover too weak. 3330 trivial. 0 not checked. [2018-11-23 06:34:48,220 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:34:48,221 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-23 06:34:48,221 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:34:48,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-23 06:34:48,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-23 06:34:48,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:34:48,222 INFO L87 Difference]: Start difference. First operand 19496 states and 20728 transitions. Second operand 4 states. [2018-11-23 06:34:49,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:34:49,097 INFO L93 Difference]: Finished difference Result 35045 states and 37334 transitions. [2018-11-23 06:34:49,097 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-23 06:34:49,097 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1352 [2018-11-23 06:34:49,098 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:34:49,113 INFO L225 Difference]: With dead ends: 35045 [2018-11-23 06:34:49,113 INFO L226 Difference]: Without dead ends: 10614 [2018-11-23 06:34:49,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-23 06:34:49,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10614 states. [2018-11-23 06:34:49,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10614 to 10614. [2018-11-23 06:34:49,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10614 states. [2018-11-23 06:34:49,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10614 states to 10614 states and 11311 transitions. [2018-11-23 06:34:49,231 INFO L78 Accepts]: Start accepts. Automaton has 10614 states and 11311 transitions. Word has length 1352 [2018-11-23 06:34:49,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:34:49,232 INFO L480 AbstractCegarLoop]: Abstraction has 10614 states and 11311 transitions. [2018-11-23 06:34:49,232 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-23 06:34:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 10614 states and 11311 transitions. [2018-11-23 06:34:49,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1471 [2018-11-23 06:34:49,249 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:34:49,249 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:34:49,249 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:34:49,250 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:34:49,250 INFO L82 PathProgramCache]: Analyzing trace with hash 362022532, now seen corresponding path program 1 times [2018-11-23 06:34:49,250 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:34:49,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:34:49,251 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:34:49,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:34:49,251 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:34:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:34:50,364 INFO L134 CoverageAnalysis]: Checked inductivity of 4974 backedges. 1666 proven. 2 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2018-11-23 06:34:50,364 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:34:50,364 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:34:50,364 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1471 with the following transitions: [2018-11-23 06:34:50,364 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:34:50,366 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:34:50,366 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:34:50,900 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:34:50,900 INFO L272 AbstractInterpreter]: Visited 255 different actions 1026 times. Merged at 12 different actions 38 times. Never widened. Performed 12031 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12031 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-23 06:34:50,902 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:34:50,902 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:34:50,902 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:34:50,902 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/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 [2018-11-23 06:34:50,908 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:34:50,908 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:34:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:34:51,077 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:34:51,797 INFO L134 CoverageAnalysis]: Checked inductivity of 4974 backedges. 1666 proven. 2 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2018-11-23 06:34:51,797 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:34:52,580 INFO L134 CoverageAnalysis]: Checked inductivity of 4974 backedges. 1666 proven. 2 refuted. 0 times theorem prover too weak. 3306 trivial. 0 not checked. [2018-11-23 06:34:52,595 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:34:52,596 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-23 06:34:52,596 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:34:52,597 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:34:52,597 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:34:52,597 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-23 06:34:52,597 INFO L87 Difference]: Start difference. First operand 10614 states and 11311 transitions. Second operand 10 states. [2018-11-23 06:34:54,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:34:54,327 INFO L93 Difference]: Finished difference Result 22014 states and 23505 transitions. [2018-11-23 06:34:54,327 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-23 06:34:54,327 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1470 [2018-11-23 06:34:54,328 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:34:54,341 INFO L225 Difference]: With dead ends: 22014 [2018-11-23 06:34:54,341 INFO L226 Difference]: Without dead ends: 11743 [2018-11-23 06:34:54,351 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2961 GetRequests, 2942 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-11-23 06:34:54,358 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11743 states. [2018-11-23 06:34:54,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11743 to 11737. [2018-11-23 06:34:54,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11737 states. [2018-11-23 06:34:54,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11737 states to 11737 states and 12277 transitions. [2018-11-23 06:34:54,452 INFO L78 Accepts]: Start accepts. Automaton has 11737 states and 12277 transitions. Word has length 1470 [2018-11-23 06:34:54,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:34:54,453 INFO L480 AbstractCegarLoop]: Abstraction has 11737 states and 12277 transitions. [2018-11-23 06:34:54,453 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:34:54,453 INFO L276 IsEmpty]: Start isEmpty. Operand 11737 states and 12277 transitions. [2018-11-23 06:34:54,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1668 [2018-11-23 06:34:54,471 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:34:54,472 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:34:54,472 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:34:54,472 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:34:54,472 INFO L82 PathProgramCache]: Analyzing trace with hash 1357844290, now seen corresponding path program 1 times [2018-11-23 06:34:54,472 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:34:54,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:34:54,473 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:34:54,473 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:34:54,473 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:34:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:34:55,614 INFO L134 CoverageAnalysis]: Checked inductivity of 6279 backedges. 1669 proven. 158 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2018-11-23 06:34:55,614 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:34:55,614 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:34:55,615 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1668 with the following transitions: [2018-11-23 06:34:55,615 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:34:55,617 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:34:55,617 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:34:56,056 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:34:56,056 INFO L272 AbstractInterpreter]: Visited 271 different actions 1088 times. Merged at 11 different actions 36 times. Never widened. Performed 12922 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12922 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 8 different actions. Largest state had 24 variables. [2018-11-23 06:34:56,058 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:34:56,058 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:34:56,058 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:34:56,058 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:34:56,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:34:56,064 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:34:56,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:34:56,241 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:34:57,057 INFO L134 CoverageAnalysis]: Checked inductivity of 6279 backedges. 2891 proven. 2 refuted. 0 times theorem prover too weak. 3386 trivial. 0 not checked. [2018-11-23 06:34:57,057 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:34:57,919 INFO L134 CoverageAnalysis]: Checked inductivity of 6279 backedges. 1669 proven. 158 refuted. 0 times theorem prover too weak. 4452 trivial. 0 not checked. [2018-11-23 06:34:57,934 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:34:57,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 06:34:57,935 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:34:57,936 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:34:57,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:34:57,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:34:57,936 INFO L87 Difference]: Start difference. First operand 11737 states and 12277 transitions. Second operand 9 states. [2018-11-23 06:34:59,201 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:34:59,201 INFO L93 Difference]: Finished difference Result 20998 states and 21864 transitions. [2018-11-23 06:34:59,201 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-23 06:34:59,201 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1667 [2018-11-23 06:34:59,202 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:34:59,213 INFO L225 Difference]: With dead ends: 20998 [2018-11-23 06:34:59,213 INFO L226 Difference]: Without dead ends: 11302 [2018-11-23 06:34:59,221 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3351 GetRequests, 3335 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-23 06:34:59,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11302 states. [2018-11-23 06:34:59,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11302 to 10945. [2018-11-23 06:34:59,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10945 states. [2018-11-23 06:34:59,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10945 states to 10945 states and 11196 transitions. [2018-11-23 06:34:59,293 INFO L78 Accepts]: Start accepts. Automaton has 10945 states and 11196 transitions. Word has length 1667 [2018-11-23 06:34:59,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:34:59,293 INFO L480 AbstractCegarLoop]: Abstraction has 10945 states and 11196 transitions. [2018-11-23 06:34:59,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:34:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 10945 states and 11196 transitions. [2018-11-23 06:34:59,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1807 [2018-11-23 06:34:59,310 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:34:59,310 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:34:59,310 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:34:59,310 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:34:59,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1469099084, now seen corresponding path program 1 times [2018-11-23 06:34:59,311 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:34:59,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:34:59,311 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:34:59,311 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:34:59,311 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:34:59,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:35:02,413 INFO L134 CoverageAnalysis]: Checked inductivity of 6437 backedges. 2478 proven. 1143 refuted. 0 times theorem prover too weak. 2816 trivial. 0 not checked. [2018-11-23 06:35:02,413 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:35:02,413 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:35:02,414 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1807 with the following transitions: [2018-11-23 06:35:02,414 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [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], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:35:02,418 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:35:02,418 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:35:03,108 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:35:03,108 INFO L272 AbstractInterpreter]: Visited 353 different actions 1410 times. Merged at 11 different actions 39 times. Never widened. Performed 17383 root evaluator evaluations with a maximum evaluation depth of 18. Performed 17383 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-23 06:35:03,110 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:35:03,110 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:35:03,110 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:35:03,110 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:35:03,118 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:35:03,118 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:35:03,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:35:03,306 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:35:04,470 INFO L134 CoverageAnalysis]: Checked inductivity of 6437 backedges. 2588 proven. 2 refuted. 0 times theorem prover too weak. 3847 trivial. 0 not checked. [2018-11-23 06:35:04,470 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:35:06,757 INFO L134 CoverageAnalysis]: Checked inductivity of 6437 backedges. 583 proven. 2423 refuted. 0 times theorem prover too weak. 3431 trivial. 0 not checked. [2018-11-23 06:35:06,772 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:35:06,773 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2018-11-23 06:35:06,773 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:35:06,774 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-11-23 06:35:06,774 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-11-23 06:35:06,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2018-11-23 06:35:06,774 INFO L87 Difference]: Start difference. First operand 10945 states and 11196 transitions. Second operand 20 states. [2018-11-23 06:35:13,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:35:13,469 INFO L93 Difference]: Finished difference Result 20866 states and 21401 transitions. [2018-11-23 06:35:13,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2018-11-23 06:35:13,469 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1806 [2018-11-23 06:35:13,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:35:13,481 INFO L225 Difference]: With dead ends: 20866 [2018-11-23 06:35:13,482 INFO L226 Difference]: Without dead ends: 11962 [2018-11-23 06:35:13,489 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3703 GetRequests, 3636 SyntacticMatches, 3 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1095 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=798, Invalid=3492, Unknown=0, NotChecked=0, Total=4290 [2018-11-23 06:35:13,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11962 states. [2018-11-23 06:35:13,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11962 to 11332. [2018-11-23 06:35:13,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11332 states. [2018-11-23 06:35:13,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11332 states to 11332 states and 11573 transitions. [2018-11-23 06:35:13,569 INFO L78 Accepts]: Start accepts. Automaton has 11332 states and 11573 transitions. Word has length 1806 [2018-11-23 06:35:13,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:35:13,570 INFO L480 AbstractCegarLoop]: Abstraction has 11332 states and 11573 transitions. [2018-11-23 06:35:13,570 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-11-23 06:35:13,570 INFO L276 IsEmpty]: Start isEmpty. Operand 11332 states and 11573 transitions. [2018-11-23 06:35:13,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1968 [2018-11-23 06:35:13,590 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:35:13,591 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 06:35:13,591 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:35:13,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:35:13,591 INFO L82 PathProgramCache]: Analyzing trace with hash -621095520, now seen corresponding path program 1 times [2018-11-23 06:35:13,592 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:35:13,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:35:13,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:35:13,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:35:13,592 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:35:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:35:15,122 INFO L134 CoverageAnalysis]: Checked inductivity of 7485 backedges. 2082 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-11-23 06:35:15,123 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:35:15,123 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:35:15,123 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1968 with the following transitions: [2018-11-23 06:35:15,123 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:35:15,126 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:35:15,126 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:35:15,938 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:35:15,938 INFO L272 AbstractInterpreter]: Visited 290 different actions 1162 times. Merged at 11 different actions 34 times. Never widened. Performed 13986 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13986 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 8 different actions. Largest state had 24 variables. [2018-11-23 06:35:15,940 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:35:15,940 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:35:15,940 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:35:15,940 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:35:15,947 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:35:15,947 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:35:16,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:35:16,145 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:35:17,103 INFO L134 CoverageAnalysis]: Checked inductivity of 7485 backedges. 2082 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-11-23 06:35:17,103 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:35:18,421 INFO L134 CoverageAnalysis]: Checked inductivity of 7485 backedges. 2082 proven. 2 refuted. 0 times theorem prover too weak. 5401 trivial. 0 not checked. [2018-11-23 06:35:18,436 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:35:18,437 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-11-23 06:35:18,437 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:35:18,438 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-23 06:35:18,438 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-23 06:35:18,438 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2018-11-23 06:35:18,438 INFO L87 Difference]: Start difference. First operand 11332 states and 11573 transitions. Second operand 7 states. [2018-11-23 06:35:19,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:35:19,881 INFO L93 Difference]: Finished difference Result 26687 states and 27339 transitions. [2018-11-23 06:35:19,881 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-11-23 06:35:19,881 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 1967 [2018-11-23 06:35:19,882 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:35:19,896 INFO L225 Difference]: With dead ends: 26687 [2018-11-23 06:35:19,897 INFO L226 Difference]: Without dead ends: 15360 [2018-11-23 06:35:19,904 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3947 GetRequests, 3935 SyntacticMatches, 2 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=83, Unknown=0, NotChecked=0, Total=132 [2018-11-23 06:35:19,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15360 states. [2018-11-23 06:35:20,000 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15360 to 14391. [2018-11-23 06:35:20,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14391 states. [2018-11-23 06:35:20,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14391 states to 14391 states and 14724 transitions. [2018-11-23 06:35:20,010 INFO L78 Accepts]: Start accepts. Automaton has 14391 states and 14724 transitions. Word has length 1967 [2018-11-23 06:35:20,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:35:20,011 INFO L480 AbstractCegarLoop]: Abstraction has 14391 states and 14724 transitions. [2018-11-23 06:35:20,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-23 06:35:20,012 INFO L276 IsEmpty]: Start isEmpty. Operand 14391 states and 14724 transitions. [2018-11-23 06:35:20,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2015 [2018-11-23 06:35:20,031 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:35:20,031 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 06:35:20,031 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:35:20,031 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:35:20,031 INFO L82 PathProgramCache]: Analyzing trace with hash -1039658133, now seen corresponding path program 1 times [2018-11-23 06:35:20,031 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:35:20,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:35:20,032 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:35:20,032 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:35:20,032 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:35:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:35:22,746 INFO L134 CoverageAnalysis]: Checked inductivity of 7757 backedges. 1381 proven. 961 refuted. 0 times theorem prover too weak. 5415 trivial. 0 not checked. [2018-11-23 06:35:22,747 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:35:22,747 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:35:22,747 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2015 with the following transitions: [2018-11-23 06:35:22,747 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [583], [585], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-23 06:35:22,749 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:35:22,749 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:35:23,577 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:35:23,577 INFO L272 AbstractInterpreter]: Visited 290 different actions 1160 times. Merged at 11 different actions 32 times. Never widened. Performed 13968 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13968 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 8 different actions. Largest state had 24 variables. [2018-11-23 06:35:23,590 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:35:23,590 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:35:23,590 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:35:23,590 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-23 06:35:23,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:35:23,599 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:35:23,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:35:23,808 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:35:25,141 INFO L134 CoverageAnalysis]: Checked inductivity of 7757 backedges. 5104 proven. 2 refuted. 0 times theorem prover too weak. 2651 trivial. 0 not checked. [2018-11-23 06:35:25,141 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:35:28,105 INFO L134 CoverageAnalysis]: Checked inductivity of 7757 backedges. 1423 proven. 885 refuted. 0 times theorem prover too weak. 5449 trivial. 0 not checked. [2018-11-23 06:35:28,120 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:35:28,121 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2018-11-23 06:35:28,121 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:35:28,122 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-23 06:35:28,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-23 06:35:28,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2018-11-23 06:35:28,122 INFO L87 Difference]: Start difference. First operand 14391 states and 14724 transitions. Second operand 16 states. [2018-11-23 06:35:34,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:35:34,283 INFO L93 Difference]: Finished difference Result 28812 states and 29587 transitions. [2018-11-23 06:35:34,283 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2018-11-23 06:35:34,284 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 2014 [2018-11-23 06:35:34,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:35:34,284 INFO L225 Difference]: With dead ends: 28812 [2018-11-23 06:35:34,284 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:35:34,308 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4123 GetRequests, 4062 SyntacticMatches, 4 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 882 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=603, Invalid=2819, Unknown=0, NotChecked=0, Total=3422 [2018-11-23 06:35:34,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:35:34,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:35:34,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:35:34,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:35:34,309 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2014 [2018-11-23 06:35:34,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:35:34,309 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:35:34,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-23 06:35:34,309 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:35:34,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:35:34,313 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:35:34,361 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,368 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,370 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,382 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,397 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,412 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,430 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,435 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,456 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,460 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,521 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,541 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,559 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,567 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,574 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,602 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,618 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,674 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,812 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,816 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,822 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,862 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,864 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,871 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,878 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,881 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,895 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,918 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,925 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,930 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,948 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,953 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:34,971 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,010 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,042 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,051 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,056 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,060 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,088 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,091 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,102 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,105 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,117 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,124 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,127 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,133 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,145 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,152 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,164 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,167 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,183 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,200 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,218 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,225 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,245 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,256 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,273 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,328 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,379 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:35,397 WARN L180 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 633 DAG size of output: 391 [2018-11-23 06:35:36,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,264 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,283 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,332 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,337 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,340 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,380 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,384 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,398 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,413 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,418 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,445 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,480 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,495 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,504 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,509 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,531 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,554 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,556 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,568 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,571 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,575 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,583 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,591 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,614 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,616 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,794 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,817 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,839 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,859 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,885 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,902 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,906 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,911 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,924 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,938 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,951 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:36,991 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:37,034 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:37,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:35:37,064 WARN L180 SmtUtils]: Spent 815.00 ms on a formula simplification. DAG size of input: 672 DAG size of output: 478 [2018-11-23 06:35:38,343 WARN L180 SmtUtils]: Spent 1.25 s on a formula simplification. DAG size of input: 376 DAG size of output: 100 [2018-11-23 06:35:40,092 WARN L180 SmtUtils]: Spent 1.70 s on a formula simplification. DAG size of input: 448 DAG size of output: 119 [2018-11-23 06:35:41,880 WARN L180 SmtUtils]: Spent 1.78 s on a formula simplification. DAG size of input: 467 DAG size of output: 111 [2018-11-23 06:35:44,581 WARN L180 SmtUtils]: Spent 2.69 s on a formula simplification. DAG size of input: 485 DAG size of output: 127 [2018-11-23 06:35:46,457 WARN L180 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 463 DAG size of output: 99 [2018-11-23 06:35:46,459 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:35:46,459 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-23 06:35:46,460 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:35:46,460 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,460 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 06:35:46,460 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,460 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,460 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,460 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,460 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,460 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,460 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,460 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,460 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,460 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,460 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,460 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,461 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,461 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,461 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,461 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,461 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,461 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,461 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,461 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,461 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,461 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,461 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,461 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,461 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,461 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,461 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,462 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse7 (= 8 |old(~a12~0)|)) (.cse25 (= 6 |old(~a12~0)|)) (.cse30 (= 12 |old(~a16~0)|)) (.cse6 (= 4 |old(~a15~0)|))) (let ((.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse16 (= ~a18~0 |old(~a18~0)|)) (.cse22 (<= ~a18~0 |old(~a18~0)|)) (.cse13 (= |old(~a15~0)| ~a15~0)) (.cse15 (= |old(~a12~0)| ~a12~0)) (.cse18 (not (= 3 |old(~a15~0)|))) (.cse19 (<= |old(~a18~0)| 134)) (.cse20 (< 0 (+ |old(~a18~0)| 79))) (.cse29 (< 7 |old(~a12~0)|)) (.cse5 (not (= 8 |old(~a16~0)|))) (.cse21 (or .cse25 .cse30 .cse6)) (.cse27 (not .cse7))) (let ((.cse12 (or .cse5 .cse21 .cse27)) (.cse3 (not (= |old(~a15~0)| 3))) (.cse2 (not (= 11 |old(~a16~0)|))) (.cse23 (= ~a16~0 10)) (.cse28 (or .cse30 .cse6 .cse29)) (.cse24 (not (= |old(~a16~0)| 10))) (.cse1 (and (or .cse18 .cse19 .cse27) .cse20)) (.cse8 (and (= |old(~a16~0)| ~a16~0) .cse22 .cse13 .cse15)) (.cse10 (not (= 5 |old(~a12~0)|))) (.cse9 (not .cse6)) (.cse4 (not .cse25)) (.cse11 (not (= 9 |old(~a16~0)|))) (.cse26 (< |old(~a12~0)| 6)) (.cse17 (< |old(~a16~0)| 12)) (.cse0 (and .cse13 .cse14 .cse16 .cse15))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 .cse7 .cse8) (or .cse9 .cse10 .cse1 .cse0 .cse11) (or .cse12 (and (and .cse13 .cse14 .cse15) .cse16) (< 0 (+ |old(~a18~0)| 156))) (or .cse3 .cse0 .cse4 .cse17) (or .cse18 (and .cse19 .cse20) (and (and (and .cse13 .cse14) .cse16) .cse15) .cse12) (or (and .cse14 .cse16 (= ~a12~0 5) .cse13) (or .cse10 .cse2 .cse3)) (or .cse21 (and .cse22 .cse23 .cse13 .cse15) .cse24) (or .cse25 .cse26 .cse3 .cse2 .cse0) (or .cse9 .cse0 .cse27 .cse11) (or .cse9 .cse5 .cse10 .cse0) (or (or .cse9 (not (= 7 |old(~a12~0)|)) .cse11) .cse0) (or .cse9 .cse5 .cse26 .cse0) (or .cse28 .cse8 .cse11) (or .cse9 (and .cse13 .cse16 .cse23 .cse15) (not (= 10 |old(~a16~0)|)) .cse29) (or .cse28 .cse8 .cse24) (or .cse9 .cse26 .cse1 .cse0 .cse11) (or .cse21 .cse8 .cse11) (or .cse0 (or .cse18 .cse10 .cse17)) (or .cse9 .cse0 .cse4 .cse11) (or .cse26 (or .cse25 .cse6 .cse17) .cse0))))) [2018-11-23 06:35:46,462 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,462 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,462 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,462 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,462 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,462 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,462 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,463 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-23 06:35:46,463 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,463 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,463 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,463 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,463 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,463 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,463 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,463 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,463 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-23 06:35:46,463 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,463 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,463 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,463 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,463 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,464 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,464 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,464 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,464 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,464 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,464 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,464 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,464 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,464 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-23 06:35:46,464 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,464 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-23 06:35:46,464 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-23 06:35:46,465 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse10 (= 8 |old(~a12~0)|))) (let ((.cse24 (<= ~a18~0 |old(~a18~0)|)) (.cse33 (< 7 |old(~a12~0)|)) (.cse18 (= 6 |old(~a12~0)|)) (.cse34 (= 12 |old(~a16~0)|)) (.cse9 (= 4 |old(~a15~0)|)) (.cse12 (not (= 3 |old(~a15~0)|))) (.cse31 (<= |old(~a18~0)| 134)) (.cse30 (not .cse10)) (.cse32 (< 0 (+ |old(~a18~0)| 79))) (.cse4 (= |old(~a15~0)| ~a15~0)) (.cse1 (not (= calculate_output_~input 0))) (.cse2 (= ~a16~0 |old(~a16~0)|)) (.cse3 (= ~a18~0 |old(~a18~0)|)) (.cse26 (= |old(~a12~0)| ~a12~0))) (let ((.cse5 (not (= 11 |old(~a16~0)|))) (.cse20 (and .cse4 .cse1 .cse2 .cse3 .cse26)) (.cse21 (and (or .cse12 .cse31 .cse30) .cse32)) (.cse17 (or .cse18 .cse34 .cse9)) (.cse7 (not (= |old(~a15~0)| 3))) (.cse15 (< |old(~a16~0)| 12)) (.cse14 (not .cse18)) (.cse6 (= |calculate_output_#in~input| 0)) (.cse19 (< |old(~a12~0)| 6)) (.cse23 (or .cse34 .cse9 .cse33)) (.cse11 (and (= |old(~a16~0)| ~a16~0) .cse24 .cse4 .cse26)) (.cse0 (not (= 5 |old(~a12~0)|))) (.cse29 (= calculate_output_~input 4)) (.cse16 (not (= 9 |old(~a16~0)|))) (.cse22 (not .cse9)) (.cse25 (= ~a16~0 10)) (.cse27 (not (= 10 |old(~a16~0)|))) (.cse8 (not (= 8 |old(~a16~0)|))) (.cse13 (and .cse4 .cse2 .cse3 .cse26)) (.cse28 (+ |old(~a18~0)| 156))) (and (or .cse0 (and .cse1 .cse2 .cse3 (= ~a12~0 5) .cse4) .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse10 .cse11) (or .cse8 .cse1 .cse6 (or .cse12 .cse0)) (or .cse7 .cse13 .cse14 .cse15) (or .cse12 .cse0 .cse1 .cse6 .cse16) (or .cse17 .cse11 (not (= |old(~a16~0)| 10))) (or .cse5 .cse6 .cse18 .cse19 .cse7 .cse20) (or .cse5 .cse6 .cse21 .cse7 .cse20 .cse14) (or (or .cse22 (not (= 7 |old(~a12~0)|)) .cse16) .cse13) (or .cse23 (and .cse24 .cse25 .cse4 .cse26) .cse27) (or .cse22 .cse0 .cse21 (and (<= .cse28 0) .cse29) .cse13 .cse16) (or .cse22 .cse30 .cse13 .cse16) (or .cse22 .cse19 .cse21 .cse13 .cse16) (or .cse17 .cse11 .cse16) (or .cse19 (or .cse18 .cse9 .cse15) .cse13) (or (or .cse0 .cse7 .cse15 .cse6) (and .cse4 .cse2 .cse1 .cse3 .cse26)) (or .cse22 .cse14 .cse13 .cse16) (or (or .cse12 .cse0 .cse6) .cse1 .cse27) (or .cse22 .cse8 .cse0 .cse13) (or .cse22 .cse8 .cse19 .cse13) (or .cse23 .cse11 .cse16) (or .cse0 (not .cse29) (or .cse22 (< 0 (+ |old(~a18~0)| 388559))) .cse16) (or .cse8 .cse12 (and .cse31 .cse32) .cse13 .cse30) (or .cse22 (and .cse4 .cse3 .cse25 .cse26) .cse27 .cse33) (or .cse8 .cse13 .cse30 (< 0 .cse28)))))) [2018-11-23 06:35:46,465 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,465 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-23 06:35:46,465 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,465 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,465 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,465 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,465 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,465 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,465 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,465 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-23 06:35:46,465 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-23 06:35:46,465 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,466 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-23 06:35:46,467 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-23 06:35:46,468 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-23 06:35:46,469 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-23 06:35:46,470 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-23 06:35:46,471 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-23 06:35:46,472 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,472 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,472 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,472 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,472 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,472 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,472 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse6 (= 8 |old(~a12~0)|))) (let ((.cse25 (= ~a16~0 |old(~a16~0)|)) (.cse26 (= ~a18~0 |old(~a18~0)|)) (.cse16 (<= ~a18~0 |old(~a18~0)|)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse19 (= |old(~a12~0)| ~a12~0)) (.cse10 (= 6 |old(~a12~0)|)) (.cse22 (not (= 3 |old(~a15~0)|))) (.cse23 (<= |old(~a18~0)| 134)) (.cse21 (not .cse6)) (.cse24 (< 0 (+ |old(~a18~0)| 79))) (.cse31 (= 12 |old(~a16~0)|)) (.cse5 (= 4 |old(~a15~0)|)) (.cse30 (< 7 |old(~a12~0)|))) (let ((.cse0 (not (= 5 |old(~a12~0)|))) (.cse17 (= ~a16~0 10)) (.cse20 (not (= 10 |old(~a16~0)|))) (.cse27 (or .cse31 .cse5 .cse30)) (.cse8 (not (= 11 |old(~a16~0)|))) (.cse9 (= |calculate_output_#in~input| 0)) (.cse28 (and (or .cse22 .cse23 .cse21) .cse24)) (.cse12 (not (= |old(~a15~0)| 3))) (.cse15 (or .cse10 .cse31 .cse5)) (.cse7 (and (= |old(~a16~0)| ~a16~0) .cse16 .cse18 .cse19)) (.cse1 (not .cse5)) (.cse13 (not .cse10)) (.cse3 (not (= 9 |old(~a16~0)|))) (.cse4 (not (= 8 |old(~a16~0)|))) (.cse29 (+ |old(~a18~0)| 156)) (.cse11 (< |old(~a12~0)| 6)) (.cse14 (< |old(~a16~0)| 12)) (.cse2 (and .cse18 .cse25 .cse26 .cse19))) (and (or .cse0 (or .cse1 (< 0 (+ |old(~a18~0)| 388559))) .cse2 .cse3) (or .cse4 .cse5 .cse6 .cse7) (or .cse8 .cse9 .cse10 .cse2 .cse11 .cse12) (or .cse12 .cse2 .cse13 .cse14) (or .cse15 (and .cse16 .cse17 .cse18 .cse19) .cse20) (or .cse1 .cse2 .cse21 .cse3) (or .cse2 (or .cse0 .cse12 .cse14 .cse9)) (or .cse4 .cse22 (and .cse23 .cse24) .cse21 (and .cse25 (= 3 ~a15~0) .cse26 .cse19)) (or .cse1 .cse4 .cse0 .cse2) (or (or .cse1 (not (= 7 |old(~a12~0)|)) .cse3) .cse2) (or .cse1 .cse4 .cse11 .cse2) (or .cse27 .cse7 .cse3) (or .cse0 .cse8 .cse9 .cse12 (and .cse25 .cse26 (= ~a12~0 5) .cse18)) (or .cse1 .cse0 .cse28 (and (<= .cse29 0) (= calculate_output_~input 4)) .cse2 .cse3) (or .cse1 (and .cse18 .cse26 .cse17 .cse19) .cse20 .cse30) (or .cse27 .cse7 (not (= |old(~a16~0)| 10))) (or .cse1 .cse11 .cse28 .cse2 .cse3) (or .cse2 .cse8 .cse9 .cse28 .cse12 .cse13) (or .cse15 .cse7 .cse3) (or .cse1 .cse2 .cse13 .cse3) (or .cse4 .cse2 .cse21 (< 0 .cse29)) (or .cse11 (or .cse10 .cse5 .cse14) .cse2))))) [2018-11-23 06:35:46,472 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,472 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,472 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,472 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,473 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,474 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,475 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,476 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-23 06:35:46,476 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,476 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-23 06:35:46,476 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-23 06:35:46,476 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,476 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,476 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,476 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,476 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,476 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,476 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,476 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,476 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,476 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,476 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,477 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-23 06:35:46,478 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,479 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,480 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,481 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,482 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 175) no Hoare annotation was computed. [2018-11-23 06:35:46,483 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,484 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,485 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,485 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,485 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,485 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-23 06:35:46,485 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-23 06:35:46,485 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-23 06:35:46,485 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-23 06:35:46,485 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,485 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,485 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-23 06:35:46,485 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:35:46,485 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= ~a15~0 3) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-23 06:35:46,485 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:35:46,485 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:35:46,485 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (and (= |old(~a15~0)| ~a15~0) (= ~a16~0 |old(~a16~0)|) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0))) [2018-11-23 06:35:46,485 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 06:35:46,486 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse10 (not (= ~a12~0 6))) (.cse14 (<= (+ ~a18~0 79) 0)) (.cse19 (= 8 ~a12~0)) (.cse6 (= ~a15~0 3)) (.cse15 (< 134 ~a18~0)) (.cse21 (= |old(~a15~0)| 3)) (.cse8 (= 8 ~a16~0)) (.cse17 (not (= ~a15~0 4))) (.cse18 (+ ~a18~0 156))) (let ((.cse4 (< 0 .cse18)) (.cse5 (= ~a16~0 11)) (.cse13 (and .cse21 .cse8 .cse17)) (.cse1 (= 6 ~a12~0)) (.cse11 (= |old(~a15~0)| ~a15~0)) (.cse7 (= ~a16~0 10)) (.cse9 (= 5 ~a12~0)) (.cse3 (or .cse14 (and .cse19 .cse6 .cse15))) (.cse12 (<= 6 ~a12~0)) (.cse16 (<= 12 ~a16~0)) (.cse2 (not (= main_~input~0 0))) (.cse0 (= 9 ~a16~0)) (.cse20 (and .cse21 .cse10 .cse17 (not (= ~a16~0 12))))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse1 .cse2 .cse3 .cse4 (and .cse5 .cse6)) (and .cse7 (<= ~a12~0 7)) (and .cse8 .cse9) (and .cse9 .cse3 .cse0 .cse4) (and .cse2 .cse10 .cse11 .cse5 .cse12) (and .cse2 .cse11 (= ~a16~0 |old(~a16~0)|) (= |old(~a12~0)| ~a12~0)) (and (= 3 ~a15~0) .cse13 (or .cse14 .cse15)) (and (and .cse16 .cse10 .cse17) .cse12) (not (= 5 |old(~a12~0)|)) (and (<= .cse18 0) .cse13) (and .cse19 .cse0) (and .cse1 .cse16 .cse11) (and .cse7 .cse20) (and (and .cse0 (<= (+ ~a18~0 388559) 0)) .cse9) (and .cse8 .cse17 (not (= ~a12~0 8))) (and (= 7 ~a12~0) .cse0) (and .cse0 .cse3 .cse12) (and .cse8 (= 4 ~a15~0) .cse12) (and .cse16 .cse2 .cse6 (= ~a12~0 5)) (and .cse0 .cse20)))) [2018-11-23 06:35:46,486 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-23 06:35:46,486 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-23 06:35:46,486 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse4 (not (= ~a12~0 6))) (.cse13 (<= (+ ~a18~0 79) 0)) (.cse18 (= 8 ~a12~0)) (.cse5 (= ~a15~0 3)) (.cse14 (< 134 ~a18~0)) (.cse20 (= |old(~a15~0)| 3)) (.cse8 (= 8 ~a16~0)) (.cse16 (not (= ~a15~0 4))) (.cse17 (+ ~a18~0 156))) (let ((.cse3 (= ~a16~0 11)) (.cse11 (< 0 .cse17)) (.cse12 (and .cse20 .cse8 .cse16)) (.cse2 (= 6 ~a12~0)) (.cse0 (= |old(~a15~0)| ~a15~0)) (.cse7 (= ~a16~0 10)) (.cse9 (= 5 ~a12~0)) (.cse10 (or .cse13 (and .cse18 .cse5 .cse14))) (.cse6 (<= 6 ~a12~0)) (.cse1 (= 9 ~a16~0)) (.cse19 (and .cse20 .cse4 .cse16 (not (= ~a16~0 12)))) (.cse15 (<= 12 ~a16~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 (= ~a16~0 |old(~a16~0)|) (= |old(~a12~0)| ~a12~0)) (and .cse1 .cse2) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and (and .cse3 .cse4 .cse5) .cse6) (and .cse7 (<= ~a12~0 7)) (and .cse8 .cse9) (and .cse9 .cse10 .cse1 .cse11) (and .cse2 (and .cse3 .cse5) .cse10 .cse11) (and (= 3 ~a15~0) .cse12 (or .cse13 .cse14)) (and (and .cse15 .cse4 .cse16) .cse6) (not (= 5 |old(~a12~0)|)) (and (<= .cse17 0) .cse12) (and .cse18 .cse1) (and .cse2 .cse15 .cse0) (and .cse7 .cse19) (and (and .cse1 (<= (+ ~a18~0 388559) 0)) .cse9) (and .cse8 .cse16 (not (= ~a12~0 8))) (and (= 7 ~a12~0) .cse1) (and .cse1 .cse10 .cse6) (and .cse8 (= 4 ~a15~0) .cse6) (and .cse1 .cse19) (and .cse15 (and .cse5 (= ~a12~0 5)))))) [2018-11-23 06:35:46,486 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-11-23 06:35:46,497 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:35:46 BoogieIcfgContainer [2018-11-23 06:35:46,497 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:35:46,497 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:35:46,497 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:35:46,498 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:35:46,498 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:30:26" (3/4) ... [2018-11-23 06:35:46,501 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:35:46,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:35:46,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-23 06:35:46,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 06:35:46,506 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:35:46,527 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-23 06:35:46,528 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 06:35:46,554 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((!(11 == \old(a16)) || ((\old(a15) == a15 && a16 == \old(a16)) && \old(a12) == a12)) || (9 == a16 && 6 == a12)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (((a16 == 11 && !(a12 == 6)) && a15 == 3) && 6 <= a12)) || (a16 == 10 && a12 <= 7)) || (8 == a16 && 5 == a12)) || (((5 == a12 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 9 == a16) && 0 < a18 + 156)) || (((6 == a12 && a16 == 11 && a15 == 3) && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 0 < a18 + 156)) || ((3 == a15 && (\old(a15) == 3 && 8 == a16) && !(a15 == 4)) && (a18 + 79 <= 0 || 134 < a18))) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || !(5 == \old(a12))) || (a18 + 156 <= 0 && (\old(a15) == 3 && 8 == a16) && !(a15 == 4))) || (8 == a12 && 9 == a16)) || ((6 == a12 && 12 <= a16) && \old(a15) == a15)) || (a16 == 10 && ((\old(a15) == 3 && !(a12 == 6)) && !(a15 == 4)) && !(a16 == 12))) || ((9 == a16 && a18 + 388559 <= 0) && 5 == a12)) || ((8 == a16 && !(a15 == 4)) && !(a12 == 8))) || (7 == a12 && 9 == a16)) || ((9 == a16 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 6 <= a12)) || ((8 == a16 && 4 == a15) && 6 <= a12)) || (9 == a16 && ((\old(a15) == 3 && !(a12 == 6)) && !(a15 == 4)) && !(a16 == 12))) || (12 <= a16 && a15 == 3 && a12 == 5) [2018-11-23 06:35:46,674 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_d6ec6638-17e8-44a6-bcb2-fb73032a869f/bin-2019/utaipan/witness.graphml [2018-11-23 06:35:46,674 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:35:46,675 INFO L168 Benchmark]: Toolchain (without parser) took 321982.28 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.3 GB). Free memory was 950.4 MB in the beginning and 3.2 GB in the end (delta: -2.2 GB). Peak memory consumption was 2.1 GB. Max. memory is 11.5 GB. [2018-11-23 06:35:46,675 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:35:46,676 INFO L168 Benchmark]: CACSL2BoogieTranslator took 669.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:35:46,676 INFO L168 Benchmark]: Boogie Procedure Inliner took 31.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:35:46,676 INFO L168 Benchmark]: Boogie Preprocessor took 70.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:35:46,676 INFO L168 Benchmark]: RCFGBuilder took 1523.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.8 MB in the end (delta: 251.2 MB). Peak memory consumption was 251.2 MB. Max. memory is 11.5 GB. [2018-11-23 06:35:46,677 INFO L168 Benchmark]: TraceAbstraction took 319506.24 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 875.8 MB in the beginning and 3.2 GB in the end (delta: -2.3 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-11-23 06:35:46,677 INFO L168 Benchmark]: Witness Printer took 176.88 ms. Allocated memory is still 5.3 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 7.3 kB). Peak memory consumption was 7.3 kB. Max. memory is 11.5 GB. [2018-11-23 06:35:46,678 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 669.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 179.3 MB). Free memory was 950.4 MB in the beginning and 1.1 GB in the end (delta: -190.6 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 31.28 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.99 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1523.79 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 875.8 MB in the end (delta: 251.2 MB). Peak memory consumption was 251.2 MB. Max. memory is 11.5 GB. * TraceAbstraction took 319506.24 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.1 GB). Free memory was 875.8 MB in the beginning and 3.2 GB in the end (delta: -2.3 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 176.88 ms. Allocated memory is still 5.3 GB. Free memory was 3.2 GB in the beginning and 3.2 GB in the end (delta: 7.3 kB). Peak memory consumption was 7.3 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 175]: 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: 1773]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((!(11 == \old(a16)) || ((\old(a15) == a15 && a16 == \old(a16)) && \old(a12) == a12)) || (9 == a16 && 6 == a12)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || (((a16 == 11 && !(a12 == 6)) && a15 == 3) && 6 <= a12)) || (a16 == 10 && a12 <= 7)) || (8 == a16 && 5 == a12)) || (((5 == a12 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 9 == a16) && 0 < a18 + 156)) || (((6 == a12 && a16 == 11 && a15 == 3) && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 0 < a18 + 156)) || ((3 == a15 && (\old(a15) == 3 && 8 == a16) && !(a15 == 4)) && (a18 + 79 <= 0 || 134 < a18))) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || !(5 == \old(a12))) || (a18 + 156 <= 0 && (\old(a15) == 3 && 8 == a16) && !(a15 == 4))) || (8 == a12 && 9 == a16)) || ((6 == a12 && 12 <= a16) && \old(a15) == a15)) || (a16 == 10 && ((\old(a15) == 3 && !(a12 == 6)) && !(a15 == 4)) && !(a16 == 12))) || ((9 == a16 && a18 + 388559 <= 0) && 5 == a12)) || ((8 == a16 && !(a15 == 4)) && !(a12 == 8))) || (7 == a12 && 9 == a16)) || ((9 == a16 && (a18 + 79 <= 0 || ((8 == a12 && a15 == 3) && 134 < a18))) && 6 <= a12)) || ((8 == a16 && 4 == a15) && 6 <= a12)) || (9 == a16 && ((\old(a15) == 3 && !(a12 == 6)) && !(a15 == 4)) && !(a16 == 12))) || (12 <= a16 && a15 == 3 && a12 == 5) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 319.4s OverallTime, 19 OverallIterations, 11 TraceHistogramMax, 263.0s AutomataDifference, 0.0s DeadEndRemovalTime, 12.1s HoareAnnotationTime, HoareTripleCheckerStatistics: 3588 SDtfs, 44228 SDslu, 4026 SDs, 0 SdLazy, 78741 SolverSat, 10203 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 234.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 29014 GetRequests, 28658 SyntacticMatches, 28 SemanticMatches, 328 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2618 ImplicationChecksByTransitivity, 3.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=22634occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 6.5s AbstIntTime, 14 AbstIntIterations, 4 AbstIntStrong, 0.9980285672179576 AbsIntWeakeningRatio, 0.06262230919765166 AbsIntAvgWeakeningVarsNumRemoved, 15.816046966731898 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.0s AutomataMinimizationTime, 19 MinimizatonAttempts, 5733 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2423 PreInvPairs, 3749 NumberOfFragments, 2818 HoareAnnotationTreeSize, 2423 FomulaSimplifications, 135260 FormulaSimplificationTreeSizeReduction, 2.7s HoareSimplificationTime, 9 FomulaSimplificationsInter, 84963 FormulaSimplificationTreeSizeReductionInter, 9.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.9s SatisfiabilityAnalysisTime, 20.4s InterpolantComputationTime, 30473 NumberOfCodeBlocks, 30473 NumberOfCodeBlocksAsserted, 29 NumberOfCheckSat, 43705 ConstructedInterpolants, 0 QuantifiedInterpolants, 165655700 SizeOfPredicates, 8 NumberOfNonLiveVariables, 17301 ConjunctsInSsa, 60 ConjunctsInUnsatCore, 39 InterpolantComputations, 7 PerfectInterpolantSequences, 124682/132290 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...