./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label24_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label24_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/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 d443bde2b4ed91a040fe01a253a772dbee49a394 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 05:24:53,108 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 05:24:53,109 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 05:24:53,116 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 05:24:53,117 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 05:24:53,117 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 05:24:53,118 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 05:24:53,119 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 05:24:53,120 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 05:24:53,121 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 05:24:53,121 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 05:24:53,121 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 05:24:53,122 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 05:24:53,122 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 05:24:53,123 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 05:24:53,123 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 05:24:53,124 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 05:24:53,124 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 05:24:53,125 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 05:24:53,126 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 05:24:53,126 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 05:24:53,127 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 05:24:53,128 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 05:24:53,128 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 05:24:53,128 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 05:24:53,129 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 05:24:53,129 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 05:24:53,129 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 05:24:53,130 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 05:24:53,130 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 05:24:53,130 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 05:24:53,131 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 05:24:53,131 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 05:24:53,131 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 05:24:53,132 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 05:24:53,132 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 05:24:53,132 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 05:24:53,139 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 05:24:53,140 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 05:24:53,140 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 05:24:53,140 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 05:24:53,140 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 05:24:53,140 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 05:24:53,140 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 05:24:53,141 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 05:24:53,141 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 05:24:53,141 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 05:24:53,141 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 05:24:53,141 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 05:24:53,141 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 05:24:53,141 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 05:24:53,141 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 05:24:53,142 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 05:24:53,142 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 05:24:53,142 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 05:24:53,142 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 05:24:53,142 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 05:24:53,142 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 05:24:53,142 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 05:24:53,142 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 05:24:53,142 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 05:24:53,142 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 05:24:53,142 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 05:24:53,143 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 05:24:53,143 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 05:24:53,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 05:24:53,143 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 05:24:53,143 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 05:24:53,143 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 05:24:53,143 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 05:24:53,143 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 05:24:53,143 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 05:24:53,143 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 05:24:53,143 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_7eb524bf-acbd-40e3-9273-710df509d6ce/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 -> d443bde2b4ed91a040fe01a253a772dbee49a394 [2018-12-03 05:24:53,161 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 05:24:53,170 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 05:24:53,172 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 05:24:53,173 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 05:24:53,174 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 05:24:53,174 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem03_label24_true-unreach-call.c [2018-12-03 05:24:53,216 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/data/4a0a6296f/4621c8c216dd455bba5a3ab614069c69/FLAGd22c20e22 [2018-12-03 05:24:53,621 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 05:24:53,621 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/sv-benchmarks/c/eca-rers2012/Problem03_label24_true-unreach-call.c [2018-12-03 05:24:53,633 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/data/4a0a6296f/4621c8c216dd455bba5a3ab614069c69/FLAGd22c20e22 [2018-12-03 05:24:53,979 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/data/4a0a6296f/4621c8c216dd455bba5a3ab614069c69 [2018-12-03 05:24:53,984 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 05:24:53,987 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 05:24:53,989 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 05:24:53,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 05:24:53,993 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 05:24:53,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:24:53" (1/1) ... [2018-12-03 05:24:53,997 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@44cd2345 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:24:53, skipping insertion in model container [2018-12-03 05:24:53,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 05:24:53" (1/1) ... [2018-12-03 05:24:54,003 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 05:24:54,047 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 05:24:54,342 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 05:24:54,346 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 05:24:54,543 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 05:24:54,553 INFO L195 MainTranslator]: Completed translation [2018-12-03 05:24:54,553 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:24:54 WrapperNode [2018-12-03 05:24:54,554 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 05:24:54,554 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 05:24:54,554 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 05:24:54,554 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 05:24:54,559 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:24:54" (1/1) ... [2018-12-03 05:24:54,576 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:24:54" (1/1) ... [2018-12-03 05:24:54,580 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 05:24:54,580 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 05:24:54,580 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 05:24:54,581 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 05:24:54,587 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:24:54" (1/1) ... [2018-12-03 05:24:54,587 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:24:54" (1/1) ... [2018-12-03 05:24:54,592 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:24:54" (1/1) ... [2018-12-03 05:24:54,592 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:24:54" (1/1) ... [2018-12-03 05:24:54,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:24:54" (1/1) ... [2018-12-03 05:24:54,623 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:24:54" (1/1) ... [2018-12-03 05:24:54,629 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:24:54" (1/1) ... [2018-12-03 05:24:54,636 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 05:24:54,637 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 05:24:54,637 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 05:24:54,637 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 05:24:54,637 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:24:54" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 05:24:54,669 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 05:24:54,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 05:24:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 05:24:54,670 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 05:24:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 05:24:54,670 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 05:24:54,670 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 05:24:54,670 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 05:24:55,682 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 05:24:55,682 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 05:24:55,682 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:24:55 BoogieIcfgContainer [2018-12-03 05:24:55,682 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 05:24:55,683 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 05:24:55,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 05:24:55,685 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 05:24:55,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 05:24:53" (1/3) ... [2018-12-03 05:24:55,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50198bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:24:55, skipping insertion in model container [2018-12-03 05:24:55,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 05:24:54" (2/3) ... [2018-12-03 05:24:55,686 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@50198bb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 05:24:55, skipping insertion in model container [2018-12-03 05:24:55,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:24:55" (3/3) ... [2018-12-03 05:24:55,687 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem03_label24_true-unreach-call.c [2018-12-03 05:24:55,693 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 05:24:55,699 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 05:24:55,708 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 05:24:55,729 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 05:24:55,730 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 05:24:55,730 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 05:24:55,730 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 05:24:55,730 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 05:24:55,730 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 05:24:55,730 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 05:24:55,730 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 05:24:55,745 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states. [2018-12-03 05:24:55,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-03 05:24:55,755 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:24:55,756 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:24:55,757 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:24:55,761 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:24:55,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1879577704, now seen corresponding path program 1 times [2018-12-03 05:24:55,762 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:24:55,793 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:24:55,793 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:24:55,794 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:24:55,794 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:24:55,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:24:56,184 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:24:56,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:24:56,187 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 05:24:56,187 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:24:56,192 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:24:56,203 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:24:56,204 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:24:56,206 INFO L87 Difference]: Start difference. First operand 311 states. Second operand 3 states. [2018-12-03 05:24:57,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:24:57,586 INFO L93 Difference]: Finished difference Result 841 states and 1486 transitions. [2018-12-03 05:24:57,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:24:57,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 197 [2018-12-03 05:24:57,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:24:57,596 INFO L225 Difference]: With dead ends: 841 [2018-12-03 05:24:57,596 INFO L226 Difference]: Without dead ends: 468 [2018-12-03 05:24:57,600 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:24:57,611 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 468 states. [2018-12-03 05:24:57,639 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 468 to 463. [2018-12-03 05:24:57,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2018-12-03 05:24:57,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 714 transitions. [2018-12-03 05:24:57,644 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 714 transitions. Word has length 197 [2018-12-03 05:24:57,645 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:24:57,645 INFO L480 AbstractCegarLoop]: Abstraction has 463 states and 714 transitions. [2018-12-03 05:24:57,645 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:24:57,645 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 714 transitions. [2018-12-03 05:24:57,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-12-03 05:24:57,648 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:24:57,649 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:24:57,649 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:24:57,649 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:24:57,650 INFO L82 PathProgramCache]: Analyzing trace with hash 380333484, now seen corresponding path program 1 times [2018-12-03 05:24:57,650 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:24:57,650 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:24:57,651 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:24:57,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:24:57,651 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:24:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:24:57,842 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:24:57,842 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:24:57,842 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 05:24:57,842 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:24:57,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:24:57,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:24:57,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:24:57,844 INFO L87 Difference]: Start difference. First operand 463 states and 714 transitions. Second operand 3 states. [2018-12-03 05:24:58,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:24:58,370 INFO L93 Difference]: Finished difference Result 1347 states and 2099 transitions. [2018-12-03 05:24:58,370 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:24:58,370 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 209 [2018-12-03 05:24:58,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:24:58,373 INFO L225 Difference]: With dead ends: 1347 [2018-12-03 05:24:58,373 INFO L226 Difference]: Without dead ends: 890 [2018-12-03 05:24:58,375 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:24:58,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 890 states. [2018-12-03 05:24:58,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 890 to 889. [2018-12-03 05:24:58,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2018-12-03 05:24:58,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1282 transitions. [2018-12-03 05:24:58,391 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1282 transitions. Word has length 209 [2018-12-03 05:24:58,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:24:58,391 INFO L480 AbstractCegarLoop]: Abstraction has 889 states and 1282 transitions. [2018-12-03 05:24:58,391 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:24:58,391 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1282 transitions. [2018-12-03 05:24:58,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-03 05:24:58,393 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:24:58,394 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:24:58,394 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:24:58,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:24:58,394 INFO L82 PathProgramCache]: Analyzing trace with hash -1077912688, now seen corresponding path program 1 times [2018-12-03 05:24:58,394 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:24:58,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:24:58,395 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:24:58,395 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:24:58,395 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:24:58,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:24:58,504 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:24:58,504 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:24:58,504 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 05:24:58,504 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:24:58,505 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:24:58,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:24:58,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:24:58,505 INFO L87 Difference]: Start difference. First operand 889 states and 1282 transitions. Second operand 3 states. [2018-12-03 05:24:59,041 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:24:59,041 INFO L93 Difference]: Finished difference Result 2618 states and 3837 transitions. [2018-12-03 05:24:59,041 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:24:59,041 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 211 [2018-12-03 05:24:59,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:24:59,045 INFO L225 Difference]: With dead ends: 2618 [2018-12-03 05:24:59,045 INFO L226 Difference]: Without dead ends: 1735 [2018-12-03 05:24:59,047 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 05:24:59,048 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1735 states. [2018-12-03 05:24:59,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1735 to 1718. [2018-12-03 05:24:59,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1718 states. [2018-12-03 05:24:59,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1718 states to 1718 states and 2466 transitions. [2018-12-03 05:24:59,070 INFO L78 Accepts]: Start accepts. Automaton has 1718 states and 2466 transitions. Word has length 211 [2018-12-03 05:24:59,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:24:59,071 INFO L480 AbstractCegarLoop]: Abstraction has 1718 states and 2466 transitions. [2018-12-03 05:24:59,071 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:24:59,071 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2466 transitions. [2018-12-03 05:24:59,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-03 05:24:59,074 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:24:59,074 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:24:59,074 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:24:59,074 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:24:59,074 INFO L82 PathProgramCache]: Analyzing trace with hash -2116089621, now seen corresponding path program 1 times [2018-12-03 05:24:59,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:24:59,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:24:59,075 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:24:59,075 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:24:59,075 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:24:59,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:24:59,197 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:24:59,198 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 05:24:59,198 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 05:24:59,198 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:24:59,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 05:24:59,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 05:24:59,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 05:24:59,199 INFO L87 Difference]: Start difference. First operand 1718 states and 2466 transitions. Second operand 6 states. [2018-12-03 05:25:00,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:25:00,064 INFO L93 Difference]: Finished difference Result 5243 states and 8309 transitions. [2018-12-03 05:25:00,065 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-12-03 05:25:00,065 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 214 [2018-12-03 05:25:00,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:25:00,085 INFO L225 Difference]: With dead ends: 5243 [2018-12-03 05:25:00,085 INFO L226 Difference]: Without dead ends: 3531 [2018-12-03 05:25:00,090 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 05:25:00,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3531 states. [2018-12-03 05:25:00,159 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3531 to 3443. [2018-12-03 05:25:00,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3443 states. [2018-12-03 05:25:00,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3443 states to 3443 states and 5067 transitions. [2018-12-03 05:25:00,164 INFO L78 Accepts]: Start accepts. Automaton has 3443 states and 5067 transitions. Word has length 214 [2018-12-03 05:25:00,164 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:25:00,164 INFO L480 AbstractCegarLoop]: Abstraction has 3443 states and 5067 transitions. [2018-12-03 05:25:00,165 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 05:25:00,165 INFO L276 IsEmpty]: Start isEmpty. Operand 3443 states and 5067 transitions. [2018-12-03 05:25:00,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-03 05:25:00,170 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:25:00,170 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:25:00,170 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:25:00,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:25:00,170 INFO L82 PathProgramCache]: Analyzing trace with hash -1988786189, now seen corresponding path program 1 times [2018-12-03 05:25:00,171 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:25:00,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:00,171 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:25:00,171 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:00,171 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:25:00,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:25:00,257 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 37 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:25:00,257 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:25:00,257 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:25:00,258 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 229 with the following transitions: [2018-12-03 05:25:00,260 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [36], [37], [41], [45], [48], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-03 05:25:00,298 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:25:00,299 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:25:00,886 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:25:00,887 INFO L272 AbstractInterpreter]: Visited 198 different actions 198 times. Never merged. Never widened. Performed 4258 root evaluator evaluations with a maximum evaluation depth of 3. Performed 4258 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 88 variables. [2018-12-03 05:25:00,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:25:00,891 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:25:01,385 INFO L227 lantSequenceWeakener]: Weakened 219 states. On average, predicates are now at 74.14% of their original sizes. [2018-12-03 05:25:01,385 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:25:01,468 INFO L418 sIntCurrentIteration]: We unified 227 AI predicates to 227 [2018-12-03 05:25:01,468 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:25:01,468 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:25:01,468 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [13] imperfect sequences [6] total 17 [2018-12-03 05:25:01,468 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:25:01,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-12-03 05:25:01,469 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-12-03 05:25:01,469 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=107, Unknown=0, NotChecked=0, Total=156 [2018-12-03 05:25:01,469 INFO L87 Difference]: Start difference. First operand 3443 states and 5067 transitions. Second operand 13 states. [2018-12-03 05:25:07,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:25:07,807 INFO L93 Difference]: Finished difference Result 7088 states and 10448 transitions. [2018-12-03 05:25:07,807 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 05:25:07,807 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 228 [2018-12-03 05:25:07,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:25:07,814 INFO L225 Difference]: With dead ends: 7088 [2018-12-03 05:25:07,814 INFO L226 Difference]: Without dead ends: 3651 [2018-12-03 05:25:07,817 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 228 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=121, Unknown=0, NotChecked=0, Total=182 [2018-12-03 05:25:07,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3651 states. [2018-12-03 05:25:07,857 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3651 to 3650. [2018-12-03 05:25:07,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3650 states. [2018-12-03 05:25:07,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3650 states to 3650 states and 5284 transitions. [2018-12-03 05:25:07,863 INFO L78 Accepts]: Start accepts. Automaton has 3650 states and 5284 transitions. Word has length 228 [2018-12-03 05:25:07,863 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:25:07,863 INFO L480 AbstractCegarLoop]: Abstraction has 3650 states and 5284 transitions. [2018-12-03 05:25:07,863 INFO L481 AbstractCegarLoop]: Interpolant automaton has 13 states. [2018-12-03 05:25:07,863 INFO L276 IsEmpty]: Start isEmpty. Operand 3650 states and 5284 transitions. [2018-12-03 05:25:07,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-03 05:25:07,869 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:25:07,869 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:25:07,869 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:25:07,869 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:25:07,869 INFO L82 PathProgramCache]: Analyzing trace with hash -1182809172, now seen corresponding path program 1 times [2018-12-03 05:25:07,869 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:25:07,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:07,870 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:25:07,870 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:07,870 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:25:07,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:25:07,991 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 47 proven. 22 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:25:07,991 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:25:07,992 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:25:07,992 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 240 with the following transitions: [2018-12-03 05:25:07,992 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [29], [33], [36], [37], [41], [45], [48], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-03 05:25:07,999 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:25:07,999 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:25:08,571 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:25:08,571 INFO L272 AbstractInterpreter]: Visited 202 different actions 398 times. Merged at 4 different actions 4 times. Never widened. Performed 8559 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8559 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-03 05:25:08,573 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:25:08,573 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:25:08,957 INFO L227 lantSequenceWeakener]: Weakened 236 states. On average, predicates are now at 74.45% of their original sizes. [2018-12-03 05:25:08,958 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:25:09,172 INFO L418 sIntCurrentIteration]: We unified 238 AI predicates to 238 [2018-12-03 05:25:09,172 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:25:09,172 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:25:09,172 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [20] imperfect sequences [10] total 28 [2018-12-03 05:25:09,173 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:25:09,173 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-03 05:25:09,173 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-03 05:25:09,173 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=303, Unknown=0, NotChecked=0, Total=380 [2018-12-03 05:25:09,173 INFO L87 Difference]: Start difference. First operand 3650 states and 5284 transitions. Second operand 20 states. [2018-12-03 05:25:28,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:25:28,082 INFO L93 Difference]: Finished difference Result 7299 states and 10671 transitions. [2018-12-03 05:25:28,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 05:25:28,082 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 239 [2018-12-03 05:25:28,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:25:28,088 INFO L225 Difference]: With dead ends: 7299 [2018-12-03 05:25:28,088 INFO L226 Difference]: Without dead ends: 3862 [2018-12-03 05:25:28,091 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 247 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 136 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=180, Invalid=632, Unknown=0, NotChecked=0, Total=812 [2018-12-03 05:25:28,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3862 states. [2018-12-03 05:25:28,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3862 to 3860. [2018-12-03 05:25:28,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3860 states. [2018-12-03 05:25:28,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3860 states to 3860 states and 5511 transitions. [2018-12-03 05:25:28,138 INFO L78 Accepts]: Start accepts. Automaton has 3860 states and 5511 transitions. Word has length 239 [2018-12-03 05:25:28,138 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:25:28,138 INFO L480 AbstractCegarLoop]: Abstraction has 3860 states and 5511 transitions. [2018-12-03 05:25:28,138 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-03 05:25:28,138 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 5511 transitions. [2018-12-03 05:25:28,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-03 05:25:28,144 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:25:28,144 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:25:28,144 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:25:28,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:25:28,144 INFO L82 PathProgramCache]: Analyzing trace with hash -2088785465, now seen corresponding path program 1 times [2018-12-03 05:25:28,145 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:25:28,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:28,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:25:28,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:28,145 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:25:28,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:25:28,219 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 47 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-03 05:25:28,219 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:25:28,219 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:25:28,219 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 246 with the following transitions: [2018-12-03 05:25:28,219 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [5], [8], [12], [13], [17], [21], [25], [29], [33], [37], [41], [45], [48], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-03 05:25:28,225 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:25:28,226 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:25:28,950 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:25:28,951 INFO L272 AbstractInterpreter]: Visited 205 different actions 608 times. Merged at 6 different actions 16 times. Never widened. Performed 13652 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13652 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 88 variables. [2018-12-03 05:25:28,953 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:25:28,954 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:25:28,954 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:25:28,954 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 05:25:28,960 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:25:28,961 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:25:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:25:29,096 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:25:29,172 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 53 proven. 2 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-03 05:25:29,172 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:25:29,365 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 47 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-03 05:25:29,381 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 05:25:29,381 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2018-12-03 05:25:29,381 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 05:25:29,381 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-12-03 05:25:29,381 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-12-03 05:25:29,382 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-12-03 05:25:29,382 INFO L87 Difference]: Start difference. First operand 3860 states and 5511 transitions. Second operand 8 states. [2018-12-03 05:25:30,859 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:25:30,859 INFO L93 Difference]: Finished difference Result 14219 states and 25189 transitions. [2018-12-03 05:25:30,860 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-12-03 05:25:30,860 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 245 [2018-12-03 05:25:30,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:25:30,910 INFO L225 Difference]: With dead ends: 14219 [2018-12-03 05:25:30,910 INFO L226 Difference]: Without dead ends: 10782 [2018-12-03 05:25:30,920 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 504 GetRequests, 490 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=76, Invalid=164, Unknown=0, NotChecked=0, Total=240 [2018-12-03 05:25:30,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10782 states. [2018-12-03 05:25:31,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10782 to 10600. [2018-12-03 05:25:31,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10600 states. [2018-12-03 05:25:31,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10600 states to 10600 states and 16435 transitions. [2018-12-03 05:25:31,110 INFO L78 Accepts]: Start accepts. Automaton has 10600 states and 16435 transitions. Word has length 245 [2018-12-03 05:25:31,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:25:31,110 INFO L480 AbstractCegarLoop]: Abstraction has 10600 states and 16435 transitions. [2018-12-03 05:25:31,110 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-12-03 05:25:31,110 INFO L276 IsEmpty]: Start isEmpty. Operand 10600 states and 16435 transitions. [2018-12-03 05:25:31,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2018-12-03 05:25:31,130 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:25:31,131 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:25:31,131 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:25:31,131 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:25:31,131 INFO L82 PathProgramCache]: Analyzing trace with hash -1513277960, now seen corresponding path program 1 times [2018-12-03 05:25:31,131 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:25:31,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:31,132 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:25:31,132 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:31,132 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:25:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:25:31,239 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 59 proven. 14 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-03 05:25:31,239 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:25:31,239 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:25:31,240 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 250 with the following transitions: [2018-12-03 05:25:31,240 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [36], [37], [41], [45], [48], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-03 05:25:31,244 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:25:31,244 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:25:31,686 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:25:31,686 INFO L272 AbstractInterpreter]: Visited 203 different actions 398 times. Merged at 3 different actions 3 times. Never widened. Performed 8956 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8956 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-03 05:25:31,687 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:25:31,688 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:25:31,688 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:25:31,688 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 05:25:31,693 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:25:31,694 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:25:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:25:31,790 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:25:31,837 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 05:25:31,837 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:25:31,891 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 75 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-03 05:25:31,906 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 05:25:31,906 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-03 05:25:31,906 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 05:25:31,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 05:25:31,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 05:25:31,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-03 05:25:31,907 INFO L87 Difference]: Start difference. First operand 10600 states and 16435 transitions. Second operand 9 states. [2018-12-03 05:25:35,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:25:35,814 INFO L93 Difference]: Finished difference Result 40268 states and 68117 transitions. [2018-12-03 05:25:35,815 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2018-12-03 05:25:35,815 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 249 [2018-12-03 05:25:35,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:25:35,903 INFO L225 Difference]: With dead ends: 40268 [2018-12-03 05:25:35,903 INFO L226 Difference]: Without dead ends: 30091 [2018-12-03 05:25:35,931 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 591 GetRequests, 536 SyntacticMatches, 2 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 979 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=605, Invalid=2365, Unknown=0, NotChecked=0, Total=2970 [2018-12-03 05:25:35,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30091 states. [2018-12-03 05:25:36,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30091 to 29033. [2018-12-03 05:25:36,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29033 states. [2018-12-03 05:25:36,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29033 states to 29033 states and 42233 transitions. [2018-12-03 05:25:36,357 INFO L78 Accepts]: Start accepts. Automaton has 29033 states and 42233 transitions. Word has length 249 [2018-12-03 05:25:36,357 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:25:36,357 INFO L480 AbstractCegarLoop]: Abstraction has 29033 states and 42233 transitions. [2018-12-03 05:25:36,357 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 05:25:36,358 INFO L276 IsEmpty]: Start isEmpty. Operand 29033 states and 42233 transitions. [2018-12-03 05:25:36,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2018-12-03 05:25:36,387 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:25:36,387 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:25:36,387 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:25:36,387 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:25:36,387 INFO L82 PathProgramCache]: Analyzing trace with hash 866006369, now seen corresponding path program 1 times [2018-12-03 05:25:36,387 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:25:36,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:36,388 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:25:36,388 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:36,388 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:25:36,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:25:36,557 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 116 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:25:36,557 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:25:36,557 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:25:36,558 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 301 with the following transitions: [2018-12-03 05:25:36,558 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [350], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-03 05:25:36,561 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:25:36,561 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:25:37,292 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:25:37,292 INFO L272 AbstractInterpreter]: Visited 202 different actions 596 times. Merged at 6 different actions 11 times. Never widened. Performed 13840 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13840 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-03 05:25:37,293 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:25:37,293 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:25:37,293 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:25:37,293 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 05:25:37,300 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:25:37,300 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:25:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:25:37,405 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:25:37,454 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-03 05:25:37,454 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:25:37,502 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-03 05:25:37,517 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:25:37,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-03 05:25:37,517 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:25:37,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:25:37,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:25:37,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:25:37,518 INFO L87 Difference]: Start difference. First operand 29033 states and 42233 transitions. Second operand 3 states. [2018-12-03 05:25:38,346 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:25:38,347 INFO L93 Difference]: Finished difference Result 70027 states and 104515 transitions. [2018-12-03 05:25:38,347 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:25:38,347 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 300 [2018-12-03 05:25:38,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:25:38,447 INFO L225 Difference]: With dead ends: 70027 [2018-12-03 05:25:38,448 INFO L226 Difference]: Without dead ends: 41207 [2018-12-03 05:25:38,491 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 598 SyntacticMatches, 2 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:25:38,519 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 41207 states. [2018-12-03 05:25:38,966 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 41207 to 41153. [2018-12-03 05:25:38,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 41153 states. [2018-12-03 05:25:39,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41153 states to 41153 states and 61070 transitions. [2018-12-03 05:25:39,201 INFO L78 Accepts]: Start accepts. Automaton has 41153 states and 61070 transitions. Word has length 300 [2018-12-03 05:25:39,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:25:39,202 INFO L480 AbstractCegarLoop]: Abstraction has 41153 states and 61070 transitions. [2018-12-03 05:25:39,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:25:39,202 INFO L276 IsEmpty]: Start isEmpty. Operand 41153 states and 61070 transitions. [2018-12-03 05:25:39,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-03 05:25:39,249 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:25:39,249 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 05:25:39,249 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:25:39,249 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:25:39,250 INFO L82 PathProgramCache]: Analyzing trace with hash -1711782223, now seen corresponding path program 1 times [2018-12-03 05:25:39,250 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:25:39,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:39,250 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:25:39,250 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:39,251 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:25:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:25:39,366 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 160 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 05:25:39,366 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:25:39,366 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:25:39,366 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 332 with the following transitions: [2018-12-03 05:25:39,367 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [436], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-03 05:25:39,370 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:25:39,370 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:25:39,775 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:25:39,775 INFO L272 AbstractInterpreter]: Visited 201 different actions 396 times. Merged at 4 different actions 4 times. Never widened. Performed 8636 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8636 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-03 05:25:39,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:25:39,776 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:25:40,245 INFO L227 lantSequenceWeakener]: Weakened 328 states. On average, predicates are now at 74.33% of their original sizes. [2018-12-03 05:25:40,246 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:25:40,409 INFO L418 sIntCurrentIteration]: We unified 330 AI predicates to 330 [2018-12-03 05:25:40,409 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:25:40,410 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:25:40,410 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [18] imperfect sequences [6] total 22 [2018-12-03 05:25:40,410 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:25:40,410 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-03 05:25:40,410 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-03 05:25:40,410 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=236, Unknown=0, NotChecked=0, Total=306 [2018-12-03 05:25:40,410 INFO L87 Difference]: Start difference. First operand 41153 states and 61070 transitions. Second operand 18 states. [2018-12-03 05:25:53,286 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:25:53,287 INFO L93 Difference]: Finished difference Result 81320 states and 120942 transitions. [2018-12-03 05:25:53,287 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-03 05:25:53,287 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 331 [2018-12-03 05:25:53,287 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:25:53,387 INFO L225 Difference]: With dead ends: 81320 [2018-12-03 05:25:53,387 INFO L226 Difference]: Without dead ends: 40662 [2018-12-03 05:25:53,433 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 338 GetRequests, 314 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 79 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=151, Invalid=499, Unknown=0, NotChecked=0, Total=650 [2018-12-03 05:25:53,458 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 40662 states. [2018-12-03 05:25:53,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 40662 to 40640. [2018-12-03 05:25:53,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40640 states. [2018-12-03 05:25:53,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40640 states to 40640 states and 59707 transitions. [2018-12-03 05:25:53,962 INFO L78 Accepts]: Start accepts. Automaton has 40640 states and 59707 transitions. Word has length 331 [2018-12-03 05:25:53,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:25:53,962 INFO L480 AbstractCegarLoop]: Abstraction has 40640 states and 59707 transitions. [2018-12-03 05:25:53,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-03 05:25:53,962 INFO L276 IsEmpty]: Start isEmpty. Operand 40640 states and 59707 transitions. [2018-12-03 05:25:54,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 366 [2018-12-03 05:25:54,016 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:25:54,016 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:25:54,017 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:25:54,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:25:54,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1075781687, now seen corresponding path program 1 times [2018-12-03 05:25:54,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:25:54,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:54,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:25:54,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:54,018 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:25:54,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:25:54,134 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 182 proven. 100 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-03 05:25:54,135 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:25:54,135 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:25:54,135 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 366 with the following transitions: [2018-12-03 05:25:54,135 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [115], [116], [120], [123], [124], [128], [132], [136], [139], [140], [144], [148], [151], [156], [158], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-03 05:25:54,139 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:25:54,139 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:25:54,853 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:25:54,853 INFO L272 AbstractInterpreter]: Visited 205 different actions 614 times. Merged at 7 different actions 20 times. Never widened. Performed 13818 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13818 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 88 variables. [2018-12-03 05:25:54,855 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:25:54,855 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:25:54,855 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:25:54,855 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 05:25:54,861 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:25:54,861 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:25:54,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:25:54,984 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:25:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 236 proven. 2 refuted. 0 times theorem prover too weak. 199 trivial. 0 not checked. [2018-12-03 05:25:55,045 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:25:55,113 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 182 proven. 100 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-03 05:25:55,138 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 05:25:55,138 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 8 [2018-12-03 05:25:55,138 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 05:25:55,138 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 05:25:55,138 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 05:25:55,138 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2018-12-03 05:25:55,139 INFO L87 Difference]: Start difference. First operand 40640 states and 59707 transitions. Second operand 7 states. [2018-12-03 05:25:58,166 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:25:58,167 INFO L93 Difference]: Finished difference Result 95180 states and 143456 transitions. [2018-12-03 05:25:58,167 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 05:25:58,168 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 365 [2018-12-03 05:25:58,168 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:25:58,316 INFO L225 Difference]: With dead ends: 95180 [2018-12-03 05:25:58,317 INFO L226 Difference]: Without dead ends: 55178 [2018-12-03 05:25:58,384 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 739 GetRequests, 729 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-12-03 05:25:58,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55178 states. [2018-12-03 05:25:59,142 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55178 to 54666. [2018-12-03 05:25:59,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54666 states. [2018-12-03 05:25:59,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54666 states to 54666 states and 76950 transitions. [2018-12-03 05:25:59,245 INFO L78 Accepts]: Start accepts. Automaton has 54666 states and 76950 transitions. Word has length 365 [2018-12-03 05:25:59,245 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:25:59,245 INFO L480 AbstractCegarLoop]: Abstraction has 54666 states and 76950 transitions. [2018-12-03 05:25:59,245 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 05:25:59,246 INFO L276 IsEmpty]: Start isEmpty. Operand 54666 states and 76950 transitions. [2018-12-03 05:25:59,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 386 [2018-12-03 05:25:59,318 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:25:59,318 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:25:59,318 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:25:59,318 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:25:59,318 INFO L82 PathProgramCache]: Analyzing trace with hash 1553166504, now seen corresponding path program 1 times [2018-12-03 05:25:59,318 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:25:59,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:59,319 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:25:59,319 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:25:59,319 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:25:59,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:25:59,481 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 202 proven. 103 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2018-12-03 05:25:59,481 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:25:59,481 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:25:59,482 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 386 with the following transitions: [2018-12-03 05:25:59,482 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [64], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [115], [116], [120], [123], [124], [128], [132], [136], [140], [144], [148], [151], [156], [158], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [240], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-03 05:25:59,485 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:25:59,485 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:26:00,207 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:26:00,207 INFO L272 AbstractInterpreter]: Visited 205 different actions 617 times. Merged at 7 different actions 23 times. Never widened. Performed 13890 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13890 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 88 variables. [2018-12-03 05:26:00,208 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:26:00,208 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:26:00,208 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:26:00,208 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/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 [2018-12-03 05:26:00,214 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:26:00,214 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:26:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:26:00,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:26:00,400 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 317 proven. 10 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-12-03 05:26:00,400 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:26:00,502 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 244 proven. 96 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-12-03 05:26:00,517 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 05:26:00,517 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-03 05:26:00,517 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 05:26:00,518 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 05:26:00,518 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 05:26:00,518 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2018-12-03 05:26:00,518 INFO L87 Difference]: Start difference. First operand 54666 states and 76950 transitions. Second operand 9 states. [2018-12-03 05:26:03,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:26:03,557 INFO L93 Difference]: Finished difference Result 106055 states and 148352 transitions. [2018-12-03 05:26:03,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-03 05:26:03,558 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 385 [2018-12-03 05:26:03,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:26:03,666 INFO L225 Difference]: With dead ends: 106055 [2018-12-03 05:26:03,666 INFO L226 Difference]: Without dead ends: 52059 [2018-12-03 05:26:03,734 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 794 GetRequests, 776 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2018-12-03 05:26:03,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52059 states. [2018-12-03 05:26:04,288 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52059 to 50510. [2018-12-03 05:26:04,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50510 states. [2018-12-03 05:26:04,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50510 states to 50510 states and 66835 transitions. [2018-12-03 05:26:04,372 INFO L78 Accepts]: Start accepts. Automaton has 50510 states and 66835 transitions. Word has length 385 [2018-12-03 05:26:04,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:26:04,372 INFO L480 AbstractCegarLoop]: Abstraction has 50510 states and 66835 transitions. [2018-12-03 05:26:04,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 05:26:04,372 INFO L276 IsEmpty]: Start isEmpty. Operand 50510 states and 66835 transitions. [2018-12-03 05:26:04,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 422 [2018-12-03 05:26:04,432 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:26:04,432 INFO L402 BasicCegarLoop]: trace histogram [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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:26:04,432 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:26:04,433 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:26:04,433 INFO L82 PathProgramCache]: Analyzing trace with hash -351671546, now seen corresponding path program 1 times [2018-12-03 05:26:04,433 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:26:04,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:26:04,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:26:04,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:26:04,433 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:26:04,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:26:04,748 INFO L134 CoverageAnalysis]: Checked inductivity of 356 backedges. 211 proven. 94 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-03 05:26:04,749 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:26:04,749 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:26:04,749 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 422 with the following transitions: [2018-12-03 05:26:04,749 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [24], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [111], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [213], [216], [220], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [543], [548], [550], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-03 05:26:04,753 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:26:04,754 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:26:05,734 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:26:05,734 INFO L272 AbstractInterpreter]: Visited 206 different actions 815 times. Merged at 7 different actions 26 times. Never widened. Performed 18336 root evaluator evaluations with a maximum evaluation depth of 3. Performed 18336 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 88 variables. [2018-12-03 05:26:05,736 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:26:05,736 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:26:06,422 INFO L227 lantSequenceWeakener]: Weakened 417 states. On average, predicates are now at 75.1% of their original sizes. [2018-12-03 05:26:06,423 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:26:06,635 INFO L418 sIntCurrentIteration]: We unified 420 AI predicates to 420 [2018-12-03 05:26:06,635 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:26:06,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:26:06,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [24] imperfect sequences [9] total 31 [2018-12-03 05:26:06,635 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:26:06,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-03 05:26:06,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-03 05:26:06,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=113, Invalid=439, Unknown=0, NotChecked=0, Total=552 [2018-12-03 05:26:06,636 INFO L87 Difference]: Start difference. First operand 50510 states and 66835 transitions. Second operand 24 states. [2018-12-03 05:26:41,533 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:26:41,533 INFO L93 Difference]: Finished difference Result 190894 states and 256296 transitions. [2018-12-03 05:26:41,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-12-03 05:26:41,533 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 421 [2018-12-03 05:26:41,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:26:41,850 INFO L225 Difference]: With dead ends: 190894 [2018-12-03 05:26:41,850 INFO L226 Difference]: Without dead ends: 141022 [2018-12-03 05:26:41,942 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 448 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 581 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=558, Invalid=2094, Unknown=0, NotChecked=0, Total=2652 [2018-12-03 05:26:42,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141022 states. [2018-12-03 05:26:45,937 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141022 to 137850. [2018-12-03 05:26:45,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 137850 states. [2018-12-03 05:26:46,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137850 states to 137850 states and 180766 transitions. [2018-12-03 05:26:46,155 INFO L78 Accepts]: Start accepts. Automaton has 137850 states and 180766 transitions. Word has length 421 [2018-12-03 05:26:46,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:26:46,156 INFO L480 AbstractCegarLoop]: Abstraction has 137850 states and 180766 transitions. [2018-12-03 05:26:46,156 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-03 05:26:46,156 INFO L276 IsEmpty]: Start isEmpty. Operand 137850 states and 180766 transitions. [2018-12-03 05:26:46,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 495 [2018-12-03 05:26:46,342 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:26:46,343 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 05:26:46,343 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:26:46,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:26:46,343 INFO L82 PathProgramCache]: Analyzing trace with hash 1470037474, now seen corresponding path program 1 times [2018-12-03 05:26:46,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:26:46,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:26:46,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:26:46,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:26:46,344 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:26:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:26:46,600 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 391 proven. 2 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-03 05:26:46,600 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:26:46,600 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:26:46,600 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 495 with the following transitions: [2018-12-03 05:26:46,600 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [123], [124], [128], [132], [136], [139], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [460], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [519], [520], [524], [528], [532], [536], [540], [551], [555], [559], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-03 05:26:46,603 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:26:46,603 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:26:47,344 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:26:47,344 INFO L272 AbstractInterpreter]: Visited 204 different actions 615 times. Merged at 8 different actions 25 times. Widened at 1 different actions 1 times. Performed 13884 root evaluator evaluations with a maximum evaluation depth of 3. Performed 13884 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 88 variables. [2018-12-03 05:26:47,346 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:26:47,347 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:26:47,347 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:26:47,347 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/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 [2018-12-03 05:26:47,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:26:47,352 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:26:47,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:26:47,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:26:47,556 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 391 proven. 2 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-03 05:26:47,556 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:26:47,650 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 391 proven. 2 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-03 05:26:47,665 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 05:26:47,665 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-12-03 05:26:47,665 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 05:26:47,666 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 05:26:47,666 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 05:26:47,666 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 05:26:47,666 INFO L87 Difference]: Start difference. First operand 137850 states and 180766 transitions. Second operand 6 states. [2018-12-03 05:26:50,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:26:50,321 INFO L93 Difference]: Finished difference Result 244488 states and 324794 transitions. [2018-12-03 05:26:50,322 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-12-03 05:26:50,322 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 494 [2018-12-03 05:26:50,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:26:50,560 INFO L225 Difference]: With dead ends: 244488 [2018-12-03 05:26:50,561 INFO L226 Difference]: Without dead ends: 107299 [2018-12-03 05:26:50,684 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 999 GetRequests, 989 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-12-03 05:26:50,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 107299 states. [2018-12-03 05:26:51,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 107299 to 99441. [2018-12-03 05:26:51,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99441 states. [2018-12-03 05:26:52,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99441 states to 99441 states and 122807 transitions. [2018-12-03 05:26:52,069 INFO L78 Accepts]: Start accepts. Automaton has 99441 states and 122807 transitions. Word has length 494 [2018-12-03 05:26:52,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:26:52,070 INFO L480 AbstractCegarLoop]: Abstraction has 99441 states and 122807 transitions. [2018-12-03 05:26:52,070 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 05:26:52,070 INFO L276 IsEmpty]: Start isEmpty. Operand 99441 states and 122807 transitions. [2018-12-03 05:26:52,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2018-12-03 05:26:52,199 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:26:52,200 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, 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, 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] [2018-12-03 05:26:52,200 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:26:52,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:26:52,200 INFO L82 PathProgramCache]: Analyzing trace with hash 2060116376, now seen corresponding path program 1 times [2018-12-03 05:26:52,200 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:26:52,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:26:52,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:26:52,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:26:52,201 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:26:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:26:52,510 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 316 proven. 269 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 05:26:52,510 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:26:52,510 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:26:52,510 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 520 with the following transitions: [2018-12-03 05:26:52,511 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [366], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [460], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [562], [567], [569], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-03 05:26:52,514 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:26:52,514 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:26:52,934 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 05:26:52,934 INFO L272 AbstractInterpreter]: Visited 202 different actions 398 times. Merged at 4 different actions 4 times. Never widened. Performed 8713 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8713 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 88 variables. [2018-12-03 05:26:52,935 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:26:52,936 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 05:26:53,822 INFO L227 lantSequenceWeakener]: Weakened 514 states. On average, predicates are now at 71.93% of their original sizes. [2018-12-03 05:26:53,823 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 05:26:54,182 INFO L418 sIntCurrentIteration]: We unified 518 AI predicates to 518 [2018-12-03 05:26:54,182 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 05:26:54,183 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:26:54,183 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [25] imperfect sequences [11] total 34 [2018-12-03 05:26:54,183 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:26:54,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2018-12-03 05:26:54,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2018-12-03 05:26:54,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=114, Invalid=486, Unknown=0, NotChecked=0, Total=600 [2018-12-03 05:26:54,184 INFO L87 Difference]: Start difference. First operand 99441 states and 122807 transitions. Second operand 25 states. [2018-12-03 05:27:06,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:27:06,082 INFO L93 Difference]: Finished difference Result 160175 states and 194802 transitions. [2018-12-03 05:27:06,082 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-03 05:27:06,082 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 519 [2018-12-03 05:27:06,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:27:06,183 INFO L225 Difference]: With dead ends: 160175 [2018-12-03 05:27:06,183 INFO L226 Difference]: Without dead ends: 62006 [2018-12-03 05:27:06,472 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 527 GetRequests, 495 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=238, Invalid=884, Unknown=0, NotChecked=0, Total=1122 [2018-12-03 05:27:06,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62006 states. [2018-12-03 05:27:07,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62006 to 60768. [2018-12-03 05:27:07,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60768 states. [2018-12-03 05:27:07,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60768 states to 60768 states and 71686 transitions. [2018-12-03 05:27:07,075 INFO L78 Accepts]: Start accepts. Automaton has 60768 states and 71686 transitions. Word has length 519 [2018-12-03 05:27:07,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:27:07,076 INFO L480 AbstractCegarLoop]: Abstraction has 60768 states and 71686 transitions. [2018-12-03 05:27:07,076 INFO L481 AbstractCegarLoop]: Interpolant automaton has 25 states. [2018-12-03 05:27:07,076 INFO L276 IsEmpty]: Start isEmpty. Operand 60768 states and 71686 transitions. [2018-12-03 05:27:07,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 524 [2018-12-03 05:27:07,128 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 05:27:07,128 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-03 05:27:07,128 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 05:27:07,128 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:27:07,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1784199681, now seen corresponding path program 1 times [2018-12-03 05:27:07,129 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 05:27:07,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:27:07,129 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:27:07,129 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 05:27:07,129 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 05:27:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:27:07,358 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 354 proven. 157 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2018-12-03 05:27:07,358 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:27:07,359 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 05:27:07,359 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 524 with the following transitions: [2018-12-03 05:27:07,359 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [13], [17], [21], [25], [29], [33], [37], [41], [45], [49], [53], [57], [61], [65], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [159], [163], [167], [171], [174], [175], [179], [183], [187], [191], [202], [206], [210], [221], [225], [229], [233], [237], [240], [241], [245], [249], [253], [257], [261], [265], [269], [273], [277], [281], [285], [289], [293], [297], [308], [312], [323], [327], [331], [335], [339], [343], [347], [351], [355], [359], [363], [367], [371], [375], [379], [383], [394], [398], [402], [406], [417], [421], [425], [429], [433], [437], [441], [445], [449], [453], [457], [461], [472], [476], [480], [484], [488], [492], [496], [500], [504], [508], [512], [516], [520], [524], [528], [532], [536], [540], [551], [555], [559], [562], [567], [569], [570], [574], [585], [589], [593], [597], [601], [605], [609], [613], [624], [635], [646], [650], [654], [658], [662], [666], [673], [681], [689], [697], [705], [713], [721], [729], [737], [745], [753], [761], [769], [777], [785], [793], [801], [809], [817], [825], [833], [841], [849], [857], [865], [873], [881], [889], [897], [905], [913], [921], [929], [937], [945], [953], [961], [969], [977], [985], [993], [1001], [1009], [1017], [1025], [1033], [1041], [1045], [1047], [1157], [1161], [1170], [1174], [1176], [1181], [1182], [1183], [1185], [1186] [2018-12-03 05:27:07,362 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 05:27:07,362 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 05:27:07,831 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 05:27:07,831 INFO L272 AbstractInterpreter]: Visited 204 different actions 405 times. Merged at 6 different actions 8 times. Never widened. Performed 9058 root evaluator evaluations with a maximum evaluation depth of 3. Performed 9058 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 2 fixpoints after 2 different actions. Largest state had 88 variables. [2018-12-03 05:27:07,833 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 05:27:07,833 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 05:27:07,833 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 05:27:07,833 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/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 [2018-12-03 05:27:07,839 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 05:27:07,839 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 05:27:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 05:27:07,992 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 05:27:08,083 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-03 05:27:08,083 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 05:27:08,197 INFO L134 CoverageAnalysis]: Checked inductivity of 758 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-03 05:27:08,213 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 05:27:08,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 8 [2018-12-03 05:27:08,213 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 05:27:08,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 05:27:08,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 05:27:08,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-03 05:27:08,214 INFO L87 Difference]: Start difference. First operand 60768 states and 71686 transitions. Second operand 3 states. [2018-12-03 05:27:09,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 05:27:09,243 INFO L93 Difference]: Finished difference Result 133717 states and 159272 transitions. [2018-12-03 05:27:09,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 05:27:09,244 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 523 [2018-12-03 05:27:09,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 05:27:09,244 INFO L225 Difference]: With dead ends: 133717 [2018-12-03 05:27:09,244 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 05:27:09,314 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1051 GetRequests, 1045 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2018-12-03 05:27:09,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 05:27:09,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 05:27:09,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 05:27:09,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 05:27:09,315 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 523 [2018-12-03 05:27:09,315 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 05:27:09,315 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 05:27:09,315 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 05:27:09,315 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 05:27:09,315 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 05:27:09,318 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 05:27:09,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:09,669 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:09,671 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:09,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:09,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:09,834 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:09,841 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:09,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:09,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,185 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,186 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,189 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,190 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,276 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,279 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,310 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,334 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,350 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,364 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,415 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,421 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,422 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,459 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,467 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,527 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,551 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,601 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,679 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,800 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:10,886 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:11,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:11,155 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:11,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:12,536 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:13,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:13,461 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:13,463 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:13,481 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:13,684 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:13,779 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:13,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:13,780 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:14,513 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:14,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:15,119 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:15,543 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:15,545 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:16,771 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:16,807 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:16,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:17,927 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,317 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,318 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,357 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,377 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,378 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,512 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,660 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,739 WARN L180 SmtUtils]: Spent 8.65 s on a formula simplification. DAG size of input: 1481 DAG size of output: 1263 [2018-12-03 05:27:18,845 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,846 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,879 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,910 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,912 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,932 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,941 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,955 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,976 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:18,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,041 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,047 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,150 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,174 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,346 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,362 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,391 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,450 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,566 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:19,867 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:20,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:21,365 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:21,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:21,711 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:21,729 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:21,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:22,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:22,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:22,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:22,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:22,986 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:23,329 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:23,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:23,764 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:24,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:24,909 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:24,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:24,947 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:26,033 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:26,432 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:26,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:26,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:26,489 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:26,490 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:26,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:26,767 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:26,770 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 05:27:26,815 WARN L180 SmtUtils]: Spent 8.07 s on a formula simplification. DAG size of input: 1437 DAG size of output: 1220 [2018-12-03 05:27:27,073 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 133 [2018-12-03 05:27:44,007 WARN L180 SmtUtils]: Spent 16.90 s on a formula simplification. DAG size of input: 791 DAG size of output: 236 [2018-12-03 05:28:03,733 WARN L180 SmtUtils]: Spent 19.70 s on a formula simplification. DAG size of input: 1268 DAG size of output: 141 [2018-12-03 05:28:22,732 WARN L180 SmtUtils]: Spent 18.99 s on a formula simplification. DAG size of input: 1226 DAG size of output: 142 [2018-12-03 05:28:22,734 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= |old(~a22~0)| ~a22~0) (= ~a27~0 |old(~a27~0)|) (= |old(~a3~0)| ~a3~0) (= ~a5~0 |old(~a5~0)|) (= ~a6~0 |old(~a6~0)|) (= ~a26~0 |old(~a26~0)|)) [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1608) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2018-12-03 05:28:22,735 INFO L448 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,736 INFO L448 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,737 INFO L448 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,738 INFO L448 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2018-12-03 05:28:22,739 INFO L448 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,740 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 54 1650) the Hoare annotation is: (let ((.cse37 (= ~a11~0 0)) (.cse39 (not (= 0 |old(~a6~0)|))) (.cse27 (not (= 1 |old(~a27~0)|))) (.cse40 (not (= 1 |old(~a3~0)|))) (.cse0 (not (= 1 |old(~a10~0)|))) (.cse58 (not (= 0 |old(~a27~0)|))) (.cse1 (not (= 1 |old(~a22~0)|))) (.cse59 (not (= 0 |old(~a11~0)|))) (.cse2 (not (= 1 |old(~a16~0)|))) (.cse3 (not (= 1 ~a18~0))) (.cse51 (not (= 0 |old(~a26~0)|))) (.cse4 (not (= 1 |old(~a1~0)|))) (.cse5 (not (= 0 |old(~a2~0)|))) (.cse60 (not (= 0 |old(~a12~0)|))) (.cse7 (not (= 0 |old(~a25~0)|))) (.cse9 (not (= 0 |old(~a7~0)|))) (.cse24 (= 0 |old(~a3~0)|)) (.cse28 (= 1 |old(~a12~0)|)) (.cse41 (= ~a12~0 |old(~a12~0)|)) (.cse55 (= 1 ~a27~0)) (.cse42 (= ~a6~0 |old(~a6~0)|)) (.cse43 (= ~a26~0 |old(~a26~0)|)) (.cse44 (= |old(~a22~0)| ~a22~0)) (.cse45 (= ~a27~0 |old(~a27~0)|)) (.cse46 (= |old(~a3~0)| ~a3~0)) (.cse35 (= 1 ~a11~0)) (.cse47 (= ~a5~0 |old(~a5~0)|)) (.cse48 (= 1 ~a12~0))) (let ((.cse32 (and .cse42 .cse43 .cse44 .cse45 .cse46 .cse35 .cse47 .cse48)) (.cse49 (and .cse42 .cse43 .cse44 .cse46 .cse47 .cse55 .cse48)) (.cse21 (not (= 2 |old(~a3~0)|))) (.cse29 (and .cse41 .cse44 .cse45 .cse46 .cse47 .cse42 .cse43)) (.cse53 (and .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse35 .cse47)) (.cse54 (and .cse44 .cse45 .cse46 .cse47 .cse42 .cse48 .cse43)) (.cse52 (= |old(~a6~0)| |old(~a22~0)|)) (.cse30 (and (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a23~0 0) (= ~a1~0 1) (= ~a29~0 1) (= ~a14~0 0) (= ~a8~0 0) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0))) (.cse31 (not .cse28)) (.cse50 (and .cse42 .cse43 .cse44 .cse45 .cse46 .cse47 .cse48)) (.cse6 (and (= ~a0~0 1) (= ~a19~0 0))) (.cse33 (< 0 |old(~a27~0)|)) (.cse25 (< 0 |old(~a6~0)|)) (.cse34 (not .cse24)) (.cse38 (and (or .cse0 .cse1 .cse59 .cse2 .cse3 .cse51 .cse4 .cse5 .cse60 .cse7 .cse9 .cse39 .cse27 .cse40) (or .cse0 .cse58 .cse1 .cse59 .cse2 .cse3 .cse51 .cse4 .cse5 .cse60 .cse7 .cse9))) (.cse17 (not (= 1 |old(~a11~0)|))) (.cse8 (not (= 1 |old(~a6~0)|))) (.cse36 (< |old(~a3~0)| 2)) (.cse16 (= |calculate_output_#in~input| 0)) (.cse56 (not (= 1 |old(~a13~0)|))) (.cse26 (not (= 1 |old(~a26~0)|))) (.cse10 (not (= 1 |old(~a15~0)|))) (.cse11 (not (= 0 |old(~a20~0)|))) (.cse12 (not (= 0 |old(~a23~0)|))) (.cse13 (not (= 1 |old(~a0~0)|))) (.cse14 (not (= 0 |old(~a19~0)|))) (.cse15 (not (= 1 |old(~a29~0)|))) (.cse18 (not (= 0 |old(~a8~0)|))) (.cse19 (not (= 0 |old(~a14~0)|))) (.cse20 (not (= 0 |old(~a17~0)|))) (.cse22 (not (= 1 |old(~a5~0)|))) (.cse23 (not (= 1 |old(~a4~0)|))) (.cse57 (and .cse37 (= ~a13~0 1)))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (or .cse0 .cse1 .cse2 .cse3 .cse24 .cse4 .cse25 .cse5 .cse26 .cse7 .cse9 .cse10 .cse6 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse27 .cse18 .cse19 .cse20 .cse22 .cse23) (or .cse22 .cse28 .cse29 .cse8) (or .cse9 .cse0 .cse1 .cse10 .cse11 .cse12 .cse2 .cse15 .cse3 .cse30 .cse17 .cse27 .cse18 .cse19 .cse20 .cse25 .cse4 .cse5 .cse22 .cse26 .cse23 .cse7) (or .cse31 .cse25 .cse32 .cse22 .cse26 .cse33 .cse17) (or .cse31 .cse34 .cse22 .cse17 .cse8 .cse32) (or .cse9 .cse0 .cse1 .cse10 .cse11 .cse12 .cse2 .cse15 .cse3 .cse28 .cse18 .cse30 .cse19 .cse20 .cse4 .cse5 .cse22 .cse23 .cse7 .cse8) (or .cse25 .cse35 .cse22 .cse26 .cse3 .cse17 .cse27) (or .cse9 .cse0 .cse1 .cse34 .cse10 .cse11 .cse12 .cse2 .cse15 .cse33 .cse3 .cse30 .cse18 .cse19 .cse20 .cse25 .cse4 .cse5 .cse22 .cse23 .cse7) (or .cse31 .cse22 .cse35 .cse3 .cse17 .cse36 .cse8) (or .cse37 .cse38 .cse39 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse33 .cse16 .cse18 .cse19 .cse40 .cse20 .cse22 .cse23) (or .cse25 (and .cse41 .cse42 .cse43 .cse44 .cse45 .cse46 .cse47) .cse22 .cse26 .cse33 .cse3 .cse28) (or .cse35 .cse22 .cse26 .cse33 .cse28 .cse17 .cse8) (or .cse31 (and .cse42 .cse43 .cse45 .cse44 .cse46 .cse35 .cse47 .cse48) (or .cse25 .cse34 .cse26 .cse17) .cse22) (or .cse31 .cse49 .cse22 .cse26 .cse27 .cse8) (or .cse31 .cse35 .cse22 .cse33 .cse3 .cse17 .cse8) (or .cse31 .cse22 .cse50 .cse26 .cse33 .cse8) (or .cse9 .cse0 .cse1 .cse34 .cse10 .cse11 .cse12 .cse2 .cse15 .cse30 .cse3 .cse17 .cse18 .cse19 .cse20 .cse4 .cse5 .cse22 .cse23 .cse7 .cse8) (or .cse9 .cse0 .cse1 .cse10 .cse11 .cse30 .cse12 .cse2 .cse15 .cse3 .cse27 .cse18 .cse19 .cse20 .cse4 .cse5 .cse22 .cse26 .cse23 .cse7 .cse8) (or .cse9 .cse0 .cse1 .cse10 .cse11 .cse12 .cse13 .cse2 .cse14 .cse15 .cse3 .cse16 .cse28 .cse24 .cse18 .cse19 .cse20 .cse4 .cse6 .cse5 .cse22 .cse23 .cse7 .cse8) (or .cse31 .cse25 .cse34 .cse22 .cse33 .cse50) (or .cse9 .cse0 .cse1 .cse10 .cse11 .cse12 .cse2 .cse15 .cse3 .cse27 .cse18 .cse19 .cse20 .cse4 .cse30 (or .cse25 .cse34 .cse26) .cse5 .cse22 .cse23 .cse7) (or .cse35 .cse51 .cse22 .cse3 .cse17 .cse27 .cse52 .cse36 .cse8) (or .cse22 .cse26 .cse3 .cse17 .cse27 .cse8 .cse35) (or .cse0 .cse1 .cse2 .cse3 .cse24 .cse4 .cse5 .cse26 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse17 .cse27 .cse18 .cse19 .cse20 .cse6 .cse22 .cse23) (or .cse22 .cse26 .cse35 .cse28 .cse17 .cse27 .cse8) (or .cse51 .cse25 .cse22 .cse3 (and .cse41 .cse42 (= ~a26~0 0) .cse44 .cse46 (= ~a27~0 1) .cse35 .cse47) .cse28 .cse17 .cse27 .cse36) (or .cse50 .cse31 .cse34 .cse22 .cse33 .cse8) (or .cse9 .cse0 .cse1 .cse10 .cse11 .cse12 .cse2 .cse15 .cse3 .cse28 .cse18 .cse19 .cse20 .cse25 .cse4 .cse5 .cse22 .cse30 .cse23 .cse7) (or .cse53 .cse25 .cse22 .cse26 .cse28 .cse17) (or .cse9 .cse30 .cse0 .cse1 .cse10 .cse11 .cse12 .cse2 .cse15 .cse3 .cse17 .cse18 .cse19 .cse20 .cse4 .cse5 .cse22 .cse23 .cse36 .cse7 .cse8) (or .cse31 .cse49 .cse25 .cse22 .cse26 .cse27) (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5 .cse26 .cse7 .cse8 .cse9 .cse6 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse27 .cse18 .cse19 .cse20 .cse21 .cse22 .cse23) (or .cse35 .cse34 .cse22 .cse17 .cse8) (or .cse31 .cse34 .cse22 .cse26 .cse50 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse24 .cse4 .cse5 .cse6 .cse7 .cse8 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse33 .cse16 .cse18 .cse19 .cse20 .cse22 .cse23) (or .cse31 .cse25 .cse22 .cse36 .cse54) (or .cse25 .cse29 .cse22 .cse28 .cse52) (or .cse25 .cse53 .cse22 .cse33 .cse3 .cse28 .cse17 .cse36) (or (or .cse25 .cse34 .cse22 .cse28 .cse17) .cse35) (or (and .cse41 .cse42 .cse43 .cse44 .cse46 .cse47 .cse55) .cse25 .cse22 .cse26 .cse3 .cse27) (or .cse0 .cse1 .cse2 .cse3 .cse25 .cse4 .cse5 .cse26 .cse30 .cse36 .cse7 .cse9 .cse10 .cse11 .cse12 .cse15 .cse33 .cse18 .cse19 .cse20 .cse22 .cse23) (or .cse31 .cse22 .cse54 .cse36 .cse8) (or .cse6 .cse0 .cse1 .cse2 .cse3 .cse28 .cse24 .cse25 .cse4 .cse5 .cse7 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse18 .cse19 .cse20 .cse22 .cse23) (or .cse25 .cse22 .cse28 .cse17 .cse52 .cse35) (or .cse9 .cse0 .cse1 .cse10 .cse11 .cse12 .cse30 .cse2 .cse15 .cse33 .cse3 .cse18 .cse19 .cse20 .cse4 .cse5 .cse22 .cse23 .cse7 .cse8) (or .cse31 .cse50 .cse22 .cse33 .cse3 .cse8) (or .cse0 .cse1 .cse2 .cse3 .cse6 .cse4 .cse25 .cse5 .cse26 .cse36 .cse7 .cse9 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse33 .cse16 .cse18 .cse19 .cse20 .cse22 .cse23) (or (or .cse25 .cse34 .cse22 .cse28) (and .cse41 .cse44 .cse45 .cse47 .cse42 (= 0 ~a3~0) .cse43)) (or .cse56 .cse38 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse16 .cse27 .cse18 .cse19 .cse20 .cse22 .cse23 .cse57) (or .cse35 (or .cse22 .cse26 .cse3 .cse17 .cse8) .cse36) (or .cse16 (or .cse0 .cse58 .cse1 .cse59 .cse2 .cse3 .cse4 .cse56 .cse5 .cse60 .cse26 .cse7 .cse9 .cse39 .cse10 .cse11 .cse12 .cse13 .cse14 .cse15 .cse18 .cse19) .cse40 .cse20 .cse22 .cse23 .cse57)))) [2018-12-03 05:28:22,740 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,740 INFO L448 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,740 INFO L448 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2018-12-03 05:28:22,740 INFO L448 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,740 INFO L448 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2018-12-03 05:28:22,740 INFO L448 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,740 INFO L448 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2018-12-03 05:28:22,740 INFO L448 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,740 INFO L448 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,740 INFO L448 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2018-12-03 05:28:22,740 INFO L448 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2018-12-03 05:28:22,741 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,742 INFO L448 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,743 INFO L448 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,744 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2018-12-03 05:28:22,745 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,746 INFO L448 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a6~0 0) (= ~a14~0 0) (= ~a3~0 1) (= ~a13~0 1) (= ~a19~0 0) (= ~a18~0 1) (= ~a8~0 0) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= ~a2~0 0)) [2018-12-03 05:28:22,747 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L1666-1(line 1666) no Hoare annotation was computed. [2018-12-03 05:28:22,747 INFO L448 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2018-12-03 05:28:22,748 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1652 1669) the Hoare annotation is: (or (not (= 1 |old(~a13~0)|)) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a2~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|))) (not (= 0 |old(~a6~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 1 |old(~a27~0)|)) (and (= ~a12~0 0) (= ~a4~0 1) (= ~a16~0 1) (= ~a15~0 1) (= ~a0~0 1) (= ~a26~0 0) (= ~a11~0 0) (= ~a17~0 0) (= ~a20~0 0) (= ~a25~0 0) (= ~a27~0 1) (= ~a23~0 0) (= ~a22~0 1) (= ~a1~0 1) (= ~a29~0 1) (= ~a14~0 0) (= ~a13~0 1) (= ~a19~0 0) (= ~a8~0 0) (= ~a6~0 |old(~a6~0)|) (= ~a5~0 1) (= ~a7~0 0) (= ~a10~0 1) (= |old(~a3~0)| ~a3~0) (= ~a2~0 0)) (not (= 0 |old(~a8~0)|)) (not (= 0 |old(~a14~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|))) [2018-12-03 05:28:22,748 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1652 1669) no Hoare annotation was computed. [2018-12-03 05:28:22,748 INFO L444 ceAbstractionStarter]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse10 (<= ~a6~0 0)) (.cse8 (= 1 ~a11~0)) (.cse3 (not (= ~a12~0 1)))) (let ((.cse1 (and .cse10 .cse8 .cse3)) (.cse0 (<= 2 ~a3~0)) (.cse9 (= 0 ~a3~0)) (.cse5 (<= ~a27~0 0)) (.cse7 (= ~a5~0 |old(~a5~0)|)) (.cse6 (= 1 ~a6~0)) (.cse11 (= 1 ~a27~0)) (.cse2 (= ~a5~0 1)) (.cse4 (= 1 ~a26~0))) (or (and .cse0 (and .cse1 (= ~a27~0 1) .cse2 (= ~a26~0 0))) (and (and (and (<= ~a6~0 |old(~a6~0)|) .cse3 .cse4) .cse5) .cse2) (and (and (and .cse1 .cse5) .cse2) .cse0) (and .cse6 .cse7 (and .cse8 .cse9)) (and .cse10 (= 1 ~a5~0) (and .cse8 .cse9 .cse4)) (and .cse10 .cse8 .cse7 .cse4 .cse5) (and .cse6 (and .cse7 .cse9 .cse4)) (not (= 1 |old(~a13~0)|)) (and (and .cse6 .cse7) .cse0) (and .cse10 .cse7 .cse9 .cse5) (not (= 1 |old(~a27~0)|)) (and .cse6 .cse7 .cse3) (and .cse0 (and .cse10 (= 1 ~a12~0) .cse2)) (and (and .cse10 .cse3 (not (= ~a22~0 ~a6~0))) .cse2) (and (and .cse10 .cse3 .cse9) .cse7) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|))) (and .cse6 .cse2 .cse5) (not (= 0 |old(~a6~0)|)) (not (= 0 |old(~a14~0)|)) (and (and .cse10 .cse8 .cse3 .cse4) .cse7) (not (= 0 |old(~a2~0)|)) (and .cse10 .cse7 .cse11 .cse4) (and .cse6 .cse11 .cse2 .cse4)))) [2018-12-03 05:28:22,748 INFO L448 ceAbstractionStarter]: For program point L1658-3(lines 1652 1669) no Hoare annotation was computed. [2018-12-03 05:28:22,748 INFO L444 ceAbstractionStarter]: At program point L1666(line 1666) the Hoare annotation is: (let ((.cse10 (<= ~a6~0 0)) (.cse8 (= 1 ~a11~0)) (.cse3 (not (= ~a12~0 1)))) (let ((.cse1 (and .cse10 .cse8 .cse3)) (.cse0 (<= 2 ~a3~0)) (.cse9 (= 0 ~a3~0)) (.cse5 (<= ~a27~0 0)) (.cse2 (= ~a5~0 |old(~a5~0)|)) (.cse7 (= 1 ~a6~0)) (.cse11 (= 1 ~a27~0)) (.cse6 (= ~a5~0 1)) (.cse4 (= 1 ~a26~0))) (or (and .cse0 (and (and .cse1 (= ~a27~0 1) (= ~a26~0 0)) .cse2)) (and (and (and (<= ~a6~0 |old(~a6~0)|) .cse3 .cse4) .cse5) .cse6) (and (and (and .cse1 .cse5) .cse6) .cse0) (and .cse7 .cse2 (and .cse8 .cse9)) (and .cse10 (= 1 ~a5~0) (and .cse8 .cse9 .cse4)) (and .cse10 .cse8 .cse2 .cse4 .cse5) (and .cse7 (and .cse2 .cse9 .cse4)) (not (= 1 |old(~a13~0)|)) (and (and .cse7 .cse2) .cse0) (and .cse10 .cse2 .cse9 .cse5) (not (= 1 |old(~a27~0)|)) (and .cse7 .cse2 .cse3) (and .cse0 (and .cse10 (= 1 ~a12~0) .cse6)) (and (and .cse10 .cse3 (not (= ~a22~0 ~a6~0))) .cse6) (and (and .cse10 .cse3 .cse9) .cse2) (or (not (= 1 |old(~a10~0)|)) (not (= 1 |old(~a22~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 1 |old(~a16~0)|)) (not (= 1 ~a18~0)) (not (= 0 |old(~a26~0)|)) (not (= 1 |old(~a1~0)|)) (not (= 0 |old(~a12~0)|)) (not (= 0 |old(~a25~0)|)) (not (= 0 |old(~a7~0)|)) (not (= 1 |old(~a15~0)|)) (not (= 0 |old(~a20~0)|)) (not (= 0 |old(~a23~0)|)) (not (= 1 |old(~a0~0)|)) (not (= 0 |old(~a19~0)|)) (not (= 1 |old(~a29~0)|)) (not (= 0 |old(~a8~0)|)) (not (= 1 |old(~a3~0)|)) (not (= 0 |old(~a17~0)|)) (not (= 1 |old(~a5~0)|)) (not (= 1 |old(~a4~0)|))) (and .cse7 .cse6 .cse5) (not (= 0 |old(~a6~0)|)) (not (= 0 |old(~a14~0)|)) (and (and .cse10 .cse8 .cse3 .cse4) .cse2) (not (= 0 |old(~a2~0)|)) (and .cse10 .cse2 .cse11 .cse4) (and .cse7 .cse11 .cse6 .cse4)))) [2018-12-03 05:28:22,757 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 05:28:22 BoogieIcfgContainer [2018-12-03 05:28:22,757 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 05:28:22,758 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 05:28:22,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 05:28:22,758 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 05:28:22,758 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 05:24:55" (3/4) ... [2018-12-03 05:28:22,760 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 05:28:22,764 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 05:28:22,764 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 05:28:22,764 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 05:28:22,775 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 05:28:22,776 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 05:28:22,793 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((((((((((((2 <= a3 && ((((a6 <= 0 && 1 == a11) && !(a12 == 1)) && a27 == 1) && a5 == 1) && a26 == 0) || ((((a6 <= \old(a6) && !(a12 == 1)) && 1 == a26) && a27 <= 0) && a5 == 1)) || (((((a6 <= 0 && 1 == a11) && !(a12 == 1)) && a27 <= 0) && a5 == 1) && 2 <= a3)) || ((1 == a6 && a5 == \old(a5)) && 1 == a11 && 0 == a3)) || ((a6 <= 0 && 1 == a5) && (1 == a11 && 0 == a3) && 1 == a26)) || ((((a6 <= 0 && 1 == a11) && a5 == \old(a5)) && 1 == a26) && a27 <= 0)) || (1 == a6 && (a5 == \old(a5) && 0 == a3) && 1 == a26)) || !(1 == \old(a13))) || ((1 == a6 && a5 == \old(a5)) && 2 <= a3)) || (((a6 <= 0 && a5 == \old(a5)) && 0 == a3) && a27 <= 0)) || !(1 == \old(a27))) || ((1 == a6 && a5 == \old(a5)) && !(a12 == 1))) || (2 <= a3 && (a6 <= 0 && 1 == a12) && a5 == 1)) || (((a6 <= 0 && !(a12 == 1)) && !(a22 == a6)) && a5 == 1)) || (((a6 <= 0 && !(a12 == 1)) && 0 == a3) && a5 == \old(a5))) || (((((((((((((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || !(0 == \old(a8))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4))) || ((1 == a6 && a5 == 1) && a27 <= 0)) || !(0 == \old(a6))) || !(0 == \old(a14))) || ((((a6 <= 0 && 1 == a11) && !(a12 == 1)) && 1 == a26) && a5 == \old(a5))) || !(0 == \old(a2))) || (((a6 <= 0 && a5 == \old(a5)) && 1 == a27) && 1 == a26)) || (((1 == a6 && 1 == a27) && a5 == 1) && 1 == a26) [2018-12-03 05:28:22,869 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7eb524bf-acbd-40e3-9273-710df509d6ce/bin-2019/utaipan/witness.graphml [2018-12-03 05:28:22,869 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 05:28:22,869 INFO L168 Benchmark]: Toolchain (without parser) took 208884.66 ms. Allocated memory was 1.0 GB in the beginning and 5.6 GB in the end (delta: 4.6 GB). Free memory was 947.9 MB in the beginning and 1.5 GB in the end (delta: -539.6 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-12-03 05:28:22,870 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 05:28:22,870 INFO L168 Benchmark]: CACSL2BoogieTranslator took 565.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 78.3 MB. Max. memory is 11.5 GB. [2018-12-03 05:28:22,870 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-12-03 05:28:22,870 INFO L168 Benchmark]: Boogie Preprocessor took 56.03 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-12-03 05:28:22,870 INFO L168 Benchmark]: RCFGBuilder took 1045.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 865.1 MB in the end (delta: 250.4 MB). Peak memory consumption was 250.4 MB. Max. memory is 11.5 GB. [2018-12-03 05:28:22,871 INFO L168 Benchmark]: TraceAbstraction took 207074.42 ms. Allocated memory was 1.2 GB in the beginning and 5.6 GB in the end (delta: 4.4 GB). Free memory was 865.1 MB in the beginning and 1.5 GB in the end (delta: -681.7 MB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-12-03 05:28:22,871 INFO L168 Benchmark]: Witness Printer took 111.35 ms. Allocated memory is still 5.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. [2018-12-03 05:28:22,872 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 565.28 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 168.3 MB). Free memory was 947.9 MB in the beginning and 1.1 GB in the end (delta: -184.6 MB). Peak memory consumption was 78.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 56.03 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1045.80 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 865.1 MB in the end (delta: 250.4 MB). Peak memory consumption was 250.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 207074.42 ms. Allocated memory was 1.2 GB in the beginning and 5.6 GB in the end (delta: 4.4 GB). Free memory was 865.1 MB in the beginning and 1.5 GB in the end (delta: -681.7 MB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. * Witness Printer took 111.35 ms. Allocated memory is still 5.6 GB. Free memory was 1.5 GB in the beginning and 1.5 GB in the end (delta: 59.3 MB). Peak memory consumption was 59.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1608]: 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: 1658]: Loop Invariant Derived loop invariant: ((((((((((((((((((((((2 <= a3 && ((((a6 <= 0 && 1 == a11) && !(a12 == 1)) && a27 == 1) && a5 == 1) && a26 == 0) || ((((a6 <= \old(a6) && !(a12 == 1)) && 1 == a26) && a27 <= 0) && a5 == 1)) || (((((a6 <= 0 && 1 == a11) && !(a12 == 1)) && a27 <= 0) && a5 == 1) && 2 <= a3)) || ((1 == a6 && a5 == \old(a5)) && 1 == a11 && 0 == a3)) || ((a6 <= 0 && 1 == a5) && (1 == a11 && 0 == a3) && 1 == a26)) || ((((a6 <= 0 && 1 == a11) && a5 == \old(a5)) && 1 == a26) && a27 <= 0)) || (1 == a6 && (a5 == \old(a5) && 0 == a3) && 1 == a26)) || !(1 == \old(a13))) || ((1 == a6 && a5 == \old(a5)) && 2 <= a3)) || (((a6 <= 0 && a5 == \old(a5)) && 0 == a3) && a27 <= 0)) || !(1 == \old(a27))) || ((1 == a6 && a5 == \old(a5)) && !(a12 == 1))) || (2 <= a3 && (a6 <= 0 && 1 == a12) && a5 == 1)) || (((a6 <= 0 && !(a12 == 1)) && !(a22 == a6)) && a5 == 1)) || (((a6 <= 0 && !(a12 == 1)) && 0 == a3) && a5 == \old(a5))) || (((((((((((((((((((!(1 == \old(a10)) || !(1 == \old(a22))) || !(0 == \old(a11))) || !(1 == \old(a16))) || !(1 == a18)) || !(0 == \old(a26))) || !(1 == \old(a1))) || !(0 == \old(a12))) || !(0 == \old(a25))) || !(0 == \old(a7))) || !(1 == \old(a15))) || !(0 == \old(a20))) || !(0 == \old(a23))) || !(1 == \old(a0))) || !(0 == \old(a19))) || !(1 == \old(a29))) || !(0 == \old(a8))) || !(1 == \old(a3))) || !(0 == \old(a17))) || !(1 == \old(a5))) || !(1 == \old(a4))) || ((1 == a6 && a5 == 1) && a27 <= 0)) || !(0 == \old(a6))) || !(0 == \old(a14))) || ((((a6 <= 0 && 1 == a11) && !(a12 == 1)) && 1 == a26) && a5 == \old(a5))) || !(0 == \old(a2))) || (((a6 <= 0 && a5 == \old(a5)) && 1 == a27) && 1 == a26)) || (((1 == a6 && 1 == a27) && a5 == 1) && 1 == a26) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 311 locations, 1 error locations. SAFE Result, 207.0s OverallTime, 16 OverallIterations, 6 TraceHistogramMax, 106.3s AutomataDifference, 0.0s DeadEndRemovalTime, 73.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 3092 SDtfs, 20423 SDslu, 2738 SDs, 0 SdLazy, 32718 SolverSat, 4910 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 55.1s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 7094 GetRequests, 6816 SyntacticMatches, 11 SemanticMatches, 267 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2050 ImplicationChecksByTransitivity, 2.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=137850occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.6s AbstIntTime, 12 AbstIntIterations, 5 AbstIntStrong, 0.9990668111631301 AbsIntWeakeningRatio, 0.20715522215810733 AbsIntAvgWeakeningVarsNumRemoved, 58.050201961915754 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 9.7s AutomataMinimizationTime, 16 MinimizatonAttempts, 15759 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 3974 PreInvPairs, 4666 NumberOfFragments, 4702 HoareAnnotationTreeSize, 3974 FomulaSimplifications, 240394 FormulaSimplificationTreeSizeReduction, 17.4s HoareSimplificationTime, 7 FomulaSimplificationsInter, 223841 FormulaSimplificationTreeSizeReductionInter, 55.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.4s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 2.4s InterpolantComputationTime, 7691 NumberOfCodeBlocks, 7691 NumberOfCodeBlocksAsserted, 23 NumberOfCheckSat, 10222 ConstructedInterpolants, 0 QuantifiedInterpolants, 8026805 SizeOfPredicates, 6 NumberOfNonLiveVariables, 10270 ConjunctsInSsa, 45 ConjunctsInUnsatCore, 30 InterpolantComputations, 8 PerfectInterpolantSequences, 7748/8749 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...