./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label12_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_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label12_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/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 b5c6b8316fe3005137d926d381b455230e5ce2ce ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 07:43:42,932 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 07:43:42,934 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 07:43:42,942 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 07:43:42,943 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 07:43:42,943 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 07:43:42,944 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 07:43:42,945 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 07:43:42,946 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 07:43:42,947 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 07:43:42,948 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 07:43:42,948 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 07:43:42,948 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 07:43:42,949 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 07:43:42,950 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 07:43:42,950 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 07:43:42,951 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 07:43:42,952 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 07:43:42,953 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 07:43:42,954 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 07:43:42,955 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 07:43:42,956 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 07:43:42,957 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 07:43:42,957 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 07:43:42,958 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 07:43:42,958 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 07:43:42,959 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 07:43:42,959 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 07:43:42,960 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 07:43:42,960 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 07:43:42,961 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 07:43:42,961 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 07:43:42,961 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 07:43:42,961 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 07:43:42,962 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 07:43:42,962 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 07:43:42,963 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-09 07:43:42,973 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 07:43:42,973 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 07:43:42,973 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 07:43:42,973 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-09 07:43:42,974 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-09 07:43:42,974 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-09 07:43:42,974 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-09 07:43:42,974 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-09 07:43:42,974 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-09 07:43:42,974 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-09 07:43:42,974 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-09 07:43:42,974 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-09 07:43:42,974 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-09 07:43:42,975 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 07:43:42,975 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 07:43:42,975 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 07:43:42,975 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 07:43:42,975 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 07:43:42,975 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 07:43:42,975 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 07:43:42,975 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 07:43:42,975 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 07:43:42,975 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 07:43:42,975 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 07:43:42,975 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 07:43:42,975 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-09 07:43:42,976 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 07:43:42,976 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-09 07:43:42,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 07:43:42,976 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 07:43:42,976 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 07:43:42,976 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 07:43:42,976 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-09 07:43:42,976 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 07:43:42,976 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 07:43:42,976 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-09 07:43:42,976 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_f030a423-7cca-4abb-b825-e67f8d376f32/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 -> b5c6b8316fe3005137d926d381b455230e5ce2ce [2018-12-09 07:43:42,993 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 07:43:43,000 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 07:43:43,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 07:43:43,002 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 07:43:43,003 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 07:43:43,003 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label12_true-unreach-call.c [2018-12-09 07:43:43,039 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/data/571ccdabc/3a08caaeb65348dba76f3a3698a29b24/FLAG6a925d520 [2018-12-09 07:43:43,505 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 07:43:43,505 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/sv-benchmarks/c/eca-rers2012/Problem16_label12_true-unreach-call.c [2018-12-09 07:43:43,517 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/data/571ccdabc/3a08caaeb65348dba76f3a3698a29b24/FLAG6a925d520 [2018-12-09 07:43:43,529 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/data/571ccdabc/3a08caaeb65348dba76f3a3698a29b24 [2018-12-09 07:43:43,531 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 07:43:43,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 07:43:43,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 07:43:43,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 07:43:43,535 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 07:43:43,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:43:43" (1/1) ... [2018-12-09 07:43:43,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8209d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:43, skipping insertion in model container [2018-12-09 07:43:43,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 07:43:43" (1/1) ... [2018-12-09 07:43:43,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 07:43:43,588 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 07:43:43,941 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 07:43:43,944 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 07:43:44,147 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 07:43:44,157 INFO L195 MainTranslator]: Completed translation [2018-12-09 07:43:44,157 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:44 WrapperNode [2018-12-09 07:43:44,158 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 07:43:44,158 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 07:43:44,158 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 07:43:44,158 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 07:43:44,163 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:44" (1/1) ... [2018-12-09 07:43:44,177 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:44" (1/1) ... [2018-12-09 07:43:44,182 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 07:43:44,182 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 07:43:44,182 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 07:43:44,182 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 07:43:44,189 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:44" (1/1) ... [2018-12-09 07:43:44,189 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:44" (1/1) ... [2018-12-09 07:43:44,194 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:44" (1/1) ... [2018-12-09 07:43:44,194 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:44" (1/1) ... [2018-12-09 07:43:44,219 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:44" (1/1) ... [2018-12-09 07:43:44,227 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:44" (1/1) ... [2018-12-09 07:43:44,234 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:44" (1/1) ... [2018-12-09 07:43:44,242 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 07:43:44,242 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 07:43:44,242 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 07:43:44,242 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 07:43:44,243 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-09 07:43:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-09 07:43:44,274 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-09 07:43:44,274 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-09 07:43:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-09 07:43:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-09 07:43:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-09 07:43:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 07:43:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 07:43:44,275 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-09 07:43:44,275 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-09 07:43:45,624 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 07:43:45,624 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-09 07:43:45,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:43:45 BoogieIcfgContainer [2018-12-09 07:43:45,624 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 07:43:45,625 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-09 07:43:45,625 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-09 07:43:45,626 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-09 07:43:45,626 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.12 07:43:43" (1/3) ... [2018-12-09 07:43:45,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b896b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:43:45, skipping insertion in model container [2018-12-09 07:43:45,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 07:43:44" (2/3) ... [2018-12-09 07:43:45,627 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b896b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.12 07:43:45, skipping insertion in model container [2018-12-09 07:43:45,627 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:43:45" (3/3) ... [2018-12-09 07:43:45,628 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label12_true-unreach-call.c [2018-12-09 07:43:45,634 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-09 07:43:45,638 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-09 07:43:45,647 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-09 07:43:45,667 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-09 07:43:45,667 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-09 07:43:45,667 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-09 07:43:45,668 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-09 07:43:45,668 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-09 07:43:45,668 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-09 07:43:45,668 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-09 07:43:45,668 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-09 07:43:45,682 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-09 07:43:45,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-09 07:43:45,687 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:43:45,687 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] [2018-12-09 07:43:45,689 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:43:45,692 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:43:45,692 INFO L82 PathProgramCache]: Analyzing trace with hash 1524372618, now seen corresponding path program 1 times [2018-12-09 07:43:45,693 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:43:45,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:43:45,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:43:45,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:43:45,721 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:43:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:43:45,843 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:43:45,845 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:43:45,845 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 07:43:45,845 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:43:45,850 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 07:43:45,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 07:43:45,861 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 07:43:45,863 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-09 07:43:46,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:43:46,948 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-09 07:43:46,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 07:43:46,949 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-12-09 07:43:46,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:43:46,958 INFO L225 Difference]: With dead ends: 1153 [2018-12-09 07:43:46,959 INFO L226 Difference]: Without dead ends: 682 [2018-12-09 07:43:46,962 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 [2018-12-09 07:43:46,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-09 07:43:47,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-09 07:43:47,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-09 07:43:47,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1184 transitions. [2018-12-09 07:43:47,009 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1184 transitions. Word has length 45 [2018-12-09 07:43:47,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:43:47,010 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1184 transitions. [2018-12-09 07:43:47,010 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 07:43:47,010 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1184 transitions. [2018-12-09 07:43:47,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 07:43:47,012 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:43:47,012 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:43:47,012 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:43:47,013 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:43:47,013 INFO L82 PathProgramCache]: Analyzing trace with hash 1650431575, now seen corresponding path program 1 times [2018-12-09 07:43:47,013 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:43:47,013 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:43:47,014 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:43:47,014 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:43:47,014 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:43:47,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:43:47,108 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:43:47,108 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:43:47,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-09 07:43:47,108 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:43:47,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-09 07:43:47,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-09 07:43:47,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-09 07:43:47,110 INFO L87 Difference]: Start difference. First operand 682 states and 1184 transitions. Second operand 5 states. [2018-12-09 07:43:48,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:43:48,392 INFO L93 Difference]: Finished difference Result 2066 states and 3624 transitions. [2018-12-09 07:43:48,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 07:43:48,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 114 [2018-12-09 07:43:48,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:43:48,397 INFO L225 Difference]: With dead ends: 2066 [2018-12-09 07:43:48,397 INFO L226 Difference]: Without dead ends: 1390 [2018-12-09 07:43:48,398 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-09 07:43:48,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1390 states. [2018-12-09 07:43:48,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1390 to 1372. [2018-12-09 07:43:48,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1372 states. [2018-12-09 07:43:48,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1372 states and 2268 transitions. [2018-12-09 07:43:48,423 INFO L78 Accepts]: Start accepts. Automaton has 1372 states and 2268 transitions. Word has length 114 [2018-12-09 07:43:48,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:43:48,424 INFO L480 AbstractCegarLoop]: Abstraction has 1372 states and 2268 transitions. [2018-12-09 07:43:48,424 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-09 07:43:48,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1372 states and 2268 transitions. [2018-12-09 07:43:48,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-09 07:43:48,425 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:43:48,425 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:43:48,425 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:43:48,426 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:43:48,426 INFO L82 PathProgramCache]: Analyzing trace with hash 1950133058, now seen corresponding path program 1 times [2018-12-09 07:43:48,426 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:43:48,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:43:48,426 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:43:48,426 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:43:48,426 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:43:48,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:43:48,524 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:43:48,524 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:43:48,524 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 07:43:48,524 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:43:48,524 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 07:43:48,524 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 07:43:48,524 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 07:43:48,525 INFO L87 Difference]: Start difference. First operand 1372 states and 2268 transitions. Second operand 6 states. [2018-12-09 07:43:49,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:43:49,900 INFO L93 Difference]: Finished difference Result 3472 states and 5791 transitions. [2018-12-09 07:43:49,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 07:43:49,900 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 143 [2018-12-09 07:43:49,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:43:49,906 INFO L225 Difference]: With dead ends: 3472 [2018-12-09 07:43:49,906 INFO L226 Difference]: Without dead ends: 2106 [2018-12-09 07:43:49,908 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 07:43:49,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2106 states. [2018-12-09 07:43:49,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2106 to 2081. [2018-12-09 07:43:49,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2081 states. [2018-12-09 07:43:49,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 2081 states and 3263 transitions. [2018-12-09 07:43:49,939 INFO L78 Accepts]: Start accepts. Automaton has 2081 states and 3263 transitions. Word has length 143 [2018-12-09 07:43:49,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:43:49,940 INFO L480 AbstractCegarLoop]: Abstraction has 2081 states and 3263 transitions. [2018-12-09 07:43:49,940 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 07:43:49,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2081 states and 3263 transitions. [2018-12-09 07:43:49,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-09 07:43:49,941 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:43:49,941 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:43:49,941 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:43:49,942 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:43:49,942 INFO L82 PathProgramCache]: Analyzing trace with hash 903433606, now seen corresponding path program 1 times [2018-12-09 07:43:49,942 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:43:49,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:43:49,942 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:43:49,942 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:43:49,942 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:43:49,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:43:50,027 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 07:43:50,027 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:43:50,027 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-09 07:43:50,028 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:43:50,028 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 07:43:50,028 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 07:43:50,028 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 07:43:50,028 INFO L87 Difference]: Start difference. First operand 2081 states and 3263 transitions. Second operand 6 states. [2018-12-09 07:43:51,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:43:51,400 INFO L93 Difference]: Finished difference Result 5241 states and 8253 transitions. [2018-12-09 07:43:51,400 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-09 07:43:51,400 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 161 [2018-12-09 07:43:51,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:43:51,409 INFO L225 Difference]: With dead ends: 5241 [2018-12-09 07:43:51,409 INFO L226 Difference]: Without dead ends: 3166 [2018-12-09 07:43:51,413 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-09 07:43:51,415 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3166 states. [2018-12-09 07:43:51,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3166 to 3140. [2018-12-09 07:43:51,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3140 states. [2018-12-09 07:43:51,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3140 states to 3140 states and 4128 transitions. [2018-12-09 07:43:51,454 INFO L78 Accepts]: Start accepts. Automaton has 3140 states and 4128 transitions. Word has length 161 [2018-12-09 07:43:51,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:43:51,454 INFO L480 AbstractCegarLoop]: Abstraction has 3140 states and 4128 transitions. [2018-12-09 07:43:51,454 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 07:43:51,454 INFO L276 IsEmpty]: Start isEmpty. Operand 3140 states and 4128 transitions. [2018-12-09 07:43:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-09 07:43:51,456 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:43:51,457 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:43:51,457 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:43:51,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:43:51,457 INFO L82 PathProgramCache]: Analyzing trace with hash 582436338, now seen corresponding path program 1 times [2018-12-09 07:43:51,457 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:43:51,457 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:43:51,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:43:51,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:43:51,458 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:43:51,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:43:51,548 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 104 proven. 37 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 07:43:51,548 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:43:51,548 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:43:51,549 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 244 with the following transitions: [2018-12-09 07:43:51,550 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 07:43:51,577 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:43:51,577 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:43:51,824 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 07:43:51,825 INFO L272 AbstractInterpreter]: Visited 134 different actions 134 times. Never merged. Never widened. Performed 1263 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1263 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-09 07:43:51,837 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:43:51,837 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 07:43:52,113 INFO L227 lantSequenceWeakener]: Weakened 234 states. On average, predicates are now at 77.8% of their original sizes. [2018-12-09 07:43:52,113 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 07:43:52,134 INFO L418 sIntCurrentIteration]: We unified 242 AI predicates to 242 [2018-12-09 07:43:52,134 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 07:43:52,135 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 07:43:52,135 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [5] total 9 [2018-12-09 07:43:52,135 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:43:52,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-09 07:43:52,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-09 07:43:52,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-09 07:43:52,136 INFO L87 Difference]: Start difference. First operand 3140 states and 4128 transitions. Second operand 6 states. [2018-12-09 07:44:10,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:44:10,011 INFO L93 Difference]: Finished difference Result 6612 states and 8630 transitions. [2018-12-09 07:44:10,011 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-09 07:44:10,011 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 243 [2018-12-09 07:44:10,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:44:10,017 INFO L225 Difference]: With dead ends: 6612 [2018-12-09 07:44:10,017 INFO L226 Difference]: Without dead ends: 3478 [2018-12-09 07:44:10,020 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 243 GetRequests, 238 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 07:44:10,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3478 states. [2018-12-09 07:44:10,055 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3478 to 3477. [2018-12-09 07:44:10,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3477 states. [2018-12-09 07:44:10,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3477 states to 3477 states and 4473 transitions. [2018-12-09 07:44:10,059 INFO L78 Accepts]: Start accepts. Automaton has 3477 states and 4473 transitions. Word has length 243 [2018-12-09 07:44:10,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:44:10,060 INFO L480 AbstractCegarLoop]: Abstraction has 3477 states and 4473 transitions. [2018-12-09 07:44:10,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-09 07:44:10,060 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 4473 transitions. [2018-12-09 07:44:10,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-09 07:44:10,062 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:44:10,063 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:44:10,063 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:44:10,063 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:44:10,063 INFO L82 PathProgramCache]: Analyzing trace with hash 623450187, now seen corresponding path program 1 times [2018-12-09 07:44:10,063 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:44:10,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:44:10,064 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:44:10,064 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:44:10,064 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:44:10,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:44:10,211 INFO L134 CoverageAnalysis]: Checked inductivity of 343 backedges. 184 proven. 115 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 07:44:10,211 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:44:10,212 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:44:10,212 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 335 with the following transitions: [2018-12-09 07:44:10,212 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 07:44:10,214 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:44:10,214 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:44:10,393 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 07:44:10,393 INFO L272 AbstractInterpreter]: Visited 138 different actions 401 times. Merged at 4 different actions 7 times. Never widened. Performed 4096 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4096 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 07:44:10,397 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:44:10,397 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 07:44:10,597 INFO L227 lantSequenceWeakener]: Weakened 331 states. On average, predicates are now at 80.4% of their original sizes. [2018-12-09 07:44:10,597 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 07:44:10,635 INFO L418 sIntCurrentIteration]: We unified 333 AI predicates to 333 [2018-12-09 07:44:10,635 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 07:44:10,635 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 07:44:10,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-09 07:44:10,636 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:44:10,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 07:44:10,636 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 07:44:10,636 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 07:44:10,637 INFO L87 Difference]: Start difference. First operand 3477 states and 4473 transitions. Second operand 10 states. [2018-12-09 07:45:47,507 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:45:47,508 INFO L93 Difference]: Finished difference Result 7683 states and 9934 transitions. [2018-12-09 07:45:47,508 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 07:45:47,508 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 334 [2018-12-09 07:45:47,508 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:45:47,520 INFO L225 Difference]: With dead ends: 7683 [2018-12-09 07:45:47,521 INFO L226 Difference]: Without dead ends: 4549 [2018-12-09 07:45:47,524 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 343 GetRequests, 325 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 07:45:47,528 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4549 states. [2018-12-09 07:45:47,600 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4549 to 4518. [2018-12-09 07:45:47,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-09 07:45:47,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5629 transitions. [2018-12-09 07:45:47,604 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5629 transitions. Word has length 334 [2018-12-09 07:45:47,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:45:47,605 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5629 transitions. [2018-12-09 07:45:47,605 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 07:45:47,605 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5629 transitions. [2018-12-09 07:45:47,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 483 [2018-12-09 07:45:47,610 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:45:47,610 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:45:47,610 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:45:47,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:45:47,611 INFO L82 PathProgramCache]: Analyzing trace with hash -799504077, now seen corresponding path program 1 times [2018-12-09 07:45:47,611 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:45:47,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:45:47,611 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:45:47,611 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:45:47,611 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:45:47,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:45:47,764 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 214 proven. 37 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2018-12-09 07:45:47,764 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:45:47,764 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:45:47,764 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 483 with the following transitions: [2018-12-09 07:45:47,765 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 07:45:47,768 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:45:47,768 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:45:48,060 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 07:45:48,060 INFO L272 AbstractInterpreter]: Visited 249 different actions 739 times. Merged at 7 different actions 14 times. Never widened. Performed 8339 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8339 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 07:45:48,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:45:48,065 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 07:45:48,065 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:45:48,065 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 07:45:48,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:45:48,073 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 07:45:48,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:45:48,145 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:45:48,249 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-09 07:45:48,249 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 07:45:48,412 INFO L134 CoverageAnalysis]: Checked inductivity of 381 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-09 07:45:48,428 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 07:45:48,428 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [5] total 7 [2018-12-09 07:45:48,428 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:45:48,429 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 07:45:48,429 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 07:45:48,429 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 07:45:48,430 INFO L87 Difference]: Start difference. First operand 4518 states and 5629 transitions. Second operand 3 states. [2018-12-09 07:45:49,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:45:49,213 INFO L93 Difference]: Finished difference Result 8693 states and 10913 transitions. [2018-12-09 07:45:49,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 07:45:49,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 482 [2018-12-09 07:45:49,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:45:49,220 INFO L225 Difference]: With dead ends: 8693 [2018-12-09 07:45:49,220 INFO L226 Difference]: Without dead ends: 4518 [2018-12-09 07:45:49,224 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 970 GetRequests, 965 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-09 07:45:49,228 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4518 states. [2018-12-09 07:45:49,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4518 to 4518. [2018-12-09 07:45:49,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4518 states. [2018-12-09 07:45:49,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4518 states to 4518 states and 5478 transitions. [2018-12-09 07:45:49,271 INFO L78 Accepts]: Start accepts. Automaton has 4518 states and 5478 transitions. Word has length 482 [2018-12-09 07:45:49,271 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:45:49,271 INFO L480 AbstractCegarLoop]: Abstraction has 4518 states and 5478 transitions. [2018-12-09 07:45:49,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 07:45:49,272 INFO L276 IsEmpty]: Start isEmpty. Operand 4518 states and 5478 transitions. [2018-12-09 07:45:49,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 508 [2018-12-09 07:45:49,277 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:45:49,278 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:45:49,278 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:45:49,278 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:45:49,278 INFO L82 PathProgramCache]: Analyzing trace with hash -218742454, now seen corresponding path program 1 times [2018-12-09 07:45:49,278 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:45:49,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:45:49,279 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:45:49,279 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:45:49,279 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:45:49,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:45:49,752 INFO L134 CoverageAnalysis]: Checked inductivity of 299 backedges. 58 proven. 237 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 07:45:49,752 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:45:49,752 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:45:49,752 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 508 with the following transitions: [2018-12-09 07:45:49,752 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 07:45:49,755 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:45:49,755 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:45:49,988 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 07:45:49,988 INFO L272 AbstractInterpreter]: Visited 247 different actions 738 times. Merged at 6 different actions 17 times. Never widened. Performed 8331 root evaluator evaluations with a maximum evaluation depth of 8. Performed 8331 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-09 07:45:49,989 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:45:49,990 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 07:45:50,249 INFO L227 lantSequenceWeakener]: Weakened 504 states. On average, predicates are now at 80.21% of their original sizes. [2018-12-09 07:45:50,249 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 07:45:50,284 INFO L418 sIntCurrentIteration]: We unified 506 AI predicates to 506 [2018-12-09 07:45:50,284 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 07:45:50,284 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 07:45:50,284 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 13 [2018-12-09 07:45:50,284 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:45:50,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-09 07:45:50,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-09 07:45:50,285 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-09 07:45:50,285 INFO L87 Difference]: Start difference. First operand 4518 states and 5478 transitions. Second operand 10 states. [2018-12-09 07:46:27,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:46:27,555 INFO L93 Difference]: Finished difference Result 10065 states and 12169 transitions. [2018-12-09 07:46:27,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 07:46:27,555 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 507 [2018-12-09 07:46:27,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:46:27,563 INFO L225 Difference]: With dead ends: 10065 [2018-12-09 07:46:27,563 INFO L226 Difference]: Without dead ends: 5890 [2018-12-09 07:46:27,566 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 516 GetRequests, 498 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-09 07:46:27,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5890 states. [2018-12-09 07:46:27,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5890 to 5879. [2018-12-09 07:46:27,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5879 states. [2018-12-09 07:46:27,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5879 states to 5879 states and 6985 transitions. [2018-12-09 07:46:27,619 INFO L78 Accepts]: Start accepts. Automaton has 5879 states and 6985 transitions. Word has length 507 [2018-12-09 07:46:27,620 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:46:27,620 INFO L480 AbstractCegarLoop]: Abstraction has 5879 states and 6985 transitions. [2018-12-09 07:46:27,620 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-09 07:46:27,620 INFO L276 IsEmpty]: Start isEmpty. Operand 5879 states and 6985 transitions. [2018-12-09 07:46:27,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 645 [2018-12-09 07:46:27,630 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:46:27,630 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:46:27,630 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:46:27,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:46:27,630 INFO L82 PathProgramCache]: Analyzing trace with hash -928808789, now seen corresponding path program 1 times [2018-12-09 07:46:27,630 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:46:27,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:46:27,631 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:46:27,631 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:46:27,631 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:46:27,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:46:27,863 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 391 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-09 07:46:27,863 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:46:27,863 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:46:27,863 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 645 with the following transitions: [2018-12-09 07:46:27,864 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 07:46:27,866 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:46:27,866 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:46:28,253 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 07:46:28,253 INFO L272 AbstractInterpreter]: Visited 250 different actions 995 times. Merged at 8 different actions 27 times. Never widened. Performed 11653 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11653 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 7 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 07:46:28,254 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:46:28,254 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 07:46:28,254 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:46:28,254 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 07:46:28,262 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:46:28,262 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 07:46:28,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:46:28,340 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:46:28,459 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 691 proven. 2 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-09 07:46:28,460 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 07:46:28,682 INFO L134 CoverageAnalysis]: Checked inductivity of 858 backedges. 391 proven. 115 refuted. 0 times theorem prover too weak. 352 trivial. 0 not checked. [2018-12-09 07:46:28,697 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 07:46:28,697 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 07:46:28,697 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 07:46:28,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 07:46:28,698 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 07:46:28,698 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-09 07:46:28,698 INFO L87 Difference]: Start difference. First operand 5879 states and 6985 transitions. Second operand 9 states. [2018-12-09 07:46:31,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:46:31,585 INFO L93 Difference]: Finished difference Result 13972 states and 17329 transitions. [2018-12-09 07:46:31,586 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-09 07:46:31,586 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 644 [2018-12-09 07:46:31,587 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:46:31,615 INFO L225 Difference]: With dead ends: 13972 [2018-12-09 07:46:31,615 INFO L226 Difference]: Without dead ends: 8436 [2018-12-09 07:46:31,623 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1309 GetRequests, 1291 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-09 07:46:31,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8436 states. [2018-12-09 07:46:31,706 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8436 to 8412. [2018-12-09 07:46:31,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8412 states. [2018-12-09 07:46:31,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8412 states to 8412 states and 10124 transitions. [2018-12-09 07:46:31,717 INFO L78 Accepts]: Start accepts. Automaton has 8412 states and 10124 transitions. Word has length 644 [2018-12-09 07:46:31,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:46:31,718 INFO L480 AbstractCegarLoop]: Abstraction has 8412 states and 10124 transitions. [2018-12-09 07:46:31,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 07:46:31,718 INFO L276 IsEmpty]: Start isEmpty. Operand 8412 states and 10124 transitions. [2018-12-09 07:46:31,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 897 [2018-12-09 07:46:31,727 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:46:31,727 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:46:31,727 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:46:31,727 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:46:31,727 INFO L82 PathProgramCache]: Analyzing trace with hash -140083625, now seen corresponding path program 1 times [2018-12-09 07:46:31,727 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:46:31,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:46:31,728 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:46:31,728 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:46:31,728 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:46:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:46:32,053 INFO L134 CoverageAnalysis]: Checked inductivity of 1427 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 1225 trivial. 0 not checked. [2018-12-09 07:46:32,053 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:46:32,053 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-09 07:46:32,053 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:46:32,054 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 07:46:32,054 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 07:46:32,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 07:46:32,054 INFO L87 Difference]: Start difference. First operand 8412 states and 10124 transitions. Second operand 3 states. [2018-12-09 07:46:33,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:46:33,200 INFO L93 Difference]: Finished difference Result 21656 states and 26939 transitions. [2018-12-09 07:46:33,200 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 07:46:33,200 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 896 [2018-12-09 07:46:33,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:46:33,222 INFO L225 Difference]: With dead ends: 21656 [2018-12-09 07:46:33,222 INFO L226 Difference]: Without dead ends: 13189 [2018-12-09 07:46:33,236 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-09 07:46:33,245 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13189 states. [2018-12-09 07:46:33,354 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13189 to 13189. [2018-12-09 07:46:33,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13189 states. [2018-12-09 07:46:33,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13189 states to 13189 states and 14772 transitions. [2018-12-09 07:46:33,371 INFO L78 Accepts]: Start accepts. Automaton has 13189 states and 14772 transitions. Word has length 896 [2018-12-09 07:46:33,372 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:46:33,372 INFO L480 AbstractCegarLoop]: Abstraction has 13189 states and 14772 transitions. [2018-12-09 07:46:33,372 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 07:46:33,373 INFO L276 IsEmpty]: Start isEmpty. Operand 13189 states and 14772 transitions. [2018-12-09 07:46:33,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 981 [2018-12-09 07:46:33,388 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:46:33,388 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:46:33,388 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:46:33,388 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:46:33,389 INFO L82 PathProgramCache]: Analyzing trace with hash -2088386945, now seen corresponding path program 1 times [2018-12-09 07:46:33,389 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:46:33,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:46:33,389 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:46:33,389 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:46:33,389 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:46:33,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:46:34,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1558 backedges. 878 proven. 2 refuted. 0 times theorem prover too weak. 678 trivial. 0 not checked. [2018-12-09 07:46:34,012 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:46:34,012 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:46:34,012 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 981 with the following transitions: [2018-12-09 07:46:34,012 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 07:46:34,015 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:46:34,015 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:46:34,255 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-09 07:46:34,256 INFO L272 AbstractInterpreter]: Visited 265 different actions 782 times. Merged at 4 different actions 7 times. Never widened. Performed 9199 root evaluator evaluations with a maximum evaluation depth of 9. Performed 9199 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-09 07:46:34,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:46:34,257 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-09 07:46:34,716 INFO L227 lantSequenceWeakener]: Weakened 977 states. On average, predicates are now at 80.15% of their original sizes. [2018-12-09 07:46:34,716 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-09 07:46:34,752 INFO L418 sIntCurrentIteration]: We unified 979 AI predicates to 979 [2018-12-09 07:46:34,752 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-09 07:46:34,752 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-09 07:46:34,753 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-09 07:46:34,753 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:46:34,753 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 07:46:34,754 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 07:46:34,754 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-09 07:46:34,754 INFO L87 Difference]: Start difference. First operand 13189 states and 14772 transitions. Second operand 9 states. [2018-12-09 07:47:34,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:47:34,531 INFO L93 Difference]: Finished difference Result 26044 states and 29209 transitions. [2018-12-09 07:47:34,532 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-09 07:47:34,532 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 980 [2018-12-09 07:47:34,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:47:34,552 INFO L225 Difference]: With dead ends: 26044 [2018-12-09 07:47:34,552 INFO L226 Difference]: Without dead ends: 13198 [2018-12-09 07:47:34,565 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 986 GetRequests, 972 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-09 07:47:34,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13198 states. [2018-12-09 07:47:34,670 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13198 to 13191. [2018-12-09 07:47:34,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13191 states. [2018-12-09 07:47:34,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13191 states to 13191 states and 14771 transitions. [2018-12-09 07:47:34,687 INFO L78 Accepts]: Start accepts. Automaton has 13191 states and 14771 transitions. Word has length 980 [2018-12-09 07:47:34,688 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:47:34,688 INFO L480 AbstractCegarLoop]: Abstraction has 13191 states and 14771 transitions. [2018-12-09 07:47:34,688 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 07:47:34,688 INFO L276 IsEmpty]: Start isEmpty. Operand 13191 states and 14771 transitions. [2018-12-09 07:47:34,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1015 [2018-12-09 07:47:34,698 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:47:34,699 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 07:47:34,699 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:47:34,699 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:47:34,699 INFO L82 PathProgramCache]: Analyzing trace with hash -499504041, now seen corresponding path program 1 times [2018-12-09 07:47:34,699 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:47:34,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:47:34,700 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:47:34,700 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:47:34,700 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:47:34,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:47:35,291 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 953 proven. 2 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2018-12-09 07:47:35,291 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:47:35,292 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:47:35,292 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1015 with the following transitions: [2018-12-09 07:47:35,292 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 07:47:35,294 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:47:35,294 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:47:35,724 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 07:47:35,724 INFO L272 AbstractInterpreter]: Visited 267 different actions 1074 times. Merged at 10 different actions 38 times. Never widened. Performed 12744 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12744 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 07:47:35,729 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:47:35,729 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 07:47:35,729 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:47:35,729 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 07:47:35,735 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:47:35,735 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 07:47:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:47:35,843 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:47:36,135 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 953 proven. 2 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2018-12-09 07:47:36,135 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 07:47:36,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 953 proven. 2 refuted. 0 times theorem prover too weak. 1033 trivial. 0 not checked. [2018-12-09 07:47:36,605 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 07:47:36,605 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-09 07:47:36,605 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 07:47:36,606 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 07:47:36,606 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 07:47:36,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-09 07:47:36,606 INFO L87 Difference]: Start difference. First operand 13191 states and 14771 transitions. Second operand 9 states. [2018-12-09 07:47:38,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:47:38,471 INFO L93 Difference]: Finished difference Result 32614 states and 37267 transitions. [2018-12-09 07:47:38,471 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-09 07:47:38,472 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1014 [2018-12-09 07:47:38,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:47:38,505 INFO L225 Difference]: With dead ends: 32614 [2018-12-09 07:47:38,505 INFO L226 Difference]: Without dead ends: 17323 [2018-12-09 07:47:38,534 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2043 GetRequests, 2028 SyntacticMatches, 1 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2018-12-09 07:47:38,545 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17323 states. [2018-12-09 07:47:38,684 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17323 to 17247. [2018-12-09 07:47:38,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17247 states. [2018-12-09 07:47:38,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17247 states to 17247 states and 18927 transitions. [2018-12-09 07:47:38,706 INFO L78 Accepts]: Start accepts. Automaton has 17247 states and 18927 transitions. Word has length 1014 [2018-12-09 07:47:38,707 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:47:38,707 INFO L480 AbstractCegarLoop]: Abstraction has 17247 states and 18927 transitions. [2018-12-09 07:47:38,707 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 07:47:38,707 INFO L276 IsEmpty]: Start isEmpty. Operand 17247 states and 18927 transitions. [2018-12-09 07:47:38,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1113 [2018-12-09 07:47:38,720 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:47:38,720 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:47:38,720 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:47:38,720 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:47:38,720 INFO L82 PathProgramCache]: Analyzing trace with hash 2061201735, now seen corresponding path program 1 times [2018-12-09 07:47:38,721 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:47:38,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:47:38,721 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:47:38,721 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:47:38,721 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:47:38,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:47:39,219 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 691 proven. 115 refuted. 0 times theorem prover too weak. 1307 trivial. 0 not checked. [2018-12-09 07:47:39,219 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:47:39,219 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:47:39,219 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1113 with the following transitions: [2018-12-09 07:47:39,219 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [776], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-09 07:47:39,222 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:47:39,222 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:47:42,307 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 07:47:42,307 INFO L272 AbstractInterpreter]: Visited 340 different actions 1352 times. Merged at 10 different actions 33 times. Never widened. Performed 16646 root evaluator evaluations with a maximum evaluation depth of 22. Performed 16646 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 07:47:42,309 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:47:42,309 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 07:47:42,309 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:47:42,309 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 07:47:42,315 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:47:42,315 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 07:47:42,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:47:42,430 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:47:42,747 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 1376 proven. 2 refuted. 0 times theorem prover too weak. 735 trivial. 0 not checked. [2018-12-09 07:47:42,747 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 07:47:43,181 INFO L134 CoverageAnalysis]: Checked inductivity of 2113 backedges. 691 proven. 115 refuted. 0 times theorem prover too weak. 1307 trivial. 0 not checked. [2018-12-09 07:47:43,196 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 07:47:43,197 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 07:47:43,197 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 07:47:43,198 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 07:47:43,198 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 07:47:43,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 07:47:43,198 INFO L87 Difference]: Start difference. First operand 17247 states and 18927 transitions. Second operand 9 states. [2018-12-09 07:47:44,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:47:44,716 INFO L93 Difference]: Finished difference Result 33327 states and 36193 transitions. [2018-12-09 07:47:44,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-09 07:47:44,717 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1112 [2018-12-09 07:47:44,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:47:44,739 INFO L225 Difference]: With dead ends: 33327 [2018-12-09 07:47:44,739 INFO L226 Difference]: Without dead ends: 16423 [2018-12-09 07:47:44,756 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2241 GetRequests, 2225 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-09 07:47:44,767 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16423 states. [2018-12-09 07:47:44,861 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16423 to 13701. [2018-12-09 07:47:44,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13701 states. [2018-12-09 07:47:44,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13701 states to 13701 states and 14501 transitions. [2018-12-09 07:47:44,872 INFO L78 Accepts]: Start accepts. Automaton has 13701 states and 14501 transitions. Word has length 1112 [2018-12-09 07:47:44,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:47:44,872 INFO L480 AbstractCegarLoop]: Abstraction has 13701 states and 14501 transitions. [2018-12-09 07:47:44,872 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 07:47:44,872 INFO L276 IsEmpty]: Start isEmpty. Operand 13701 states and 14501 transitions. [2018-12-09 07:47:44,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1088 [2018-12-09 07:47:44,881 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:47:44,882 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 07:47:44,882 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:47:44,882 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:47:44,882 INFO L82 PathProgramCache]: Analyzing trace with hash -62950082, now seen corresponding path program 1 times [2018-12-09 07:47:44,882 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:47:44,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:47:44,883 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:47:44,883 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:47:44,883 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:47:44,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:47:45,581 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 900 proven. 519 refuted. 0 times theorem prover too weak. 569 trivial. 0 not checked. [2018-12-09 07:47:45,581 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:47:45,581 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:47:45,581 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1088 with the following transitions: [2018-12-09 07:47:45,581 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [137], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-09 07:47:45,584 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:47:45,585 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:47:46,255 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 07:47:46,255 INFO L272 AbstractInterpreter]: Visited 340 different actions 1359 times. Merged at 10 different actions 40 times. Widened at 1 different actions 1 times. Performed 16668 root evaluator evaluations with a maximum evaluation depth of 18. Performed 16668 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-09 07:47:46,257 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:47:46,257 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 07:47:46,257 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:47:46,257 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/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 [2018-12-09 07:47:46,263 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:47:46,263 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 07:47:46,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:47:46,378 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:47:46,656 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2018-12-09 07:47:46,657 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 07:47:46,992 INFO L134 CoverageAnalysis]: Checked inductivity of 1988 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 1745 trivial. 0 not checked. [2018-12-09 07:47:47,007 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-09 07:47:47,008 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-09 07:47:47,008 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:47:47,008 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-09 07:47:47,008 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-09 07:47:47,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-09 07:47:47,009 INFO L87 Difference]: Start difference. First operand 13701 states and 14501 transitions. Second operand 3 states. [2018-12-09 07:47:47,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:47:47,578 INFO L93 Difference]: Finished difference Result 27059 states and 28655 transitions. [2018-12-09 07:47:47,578 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-09 07:47:47,578 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1087 [2018-12-09 07:47:47,579 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:47:47,597 INFO L225 Difference]: With dead ends: 27059 [2018-12-09 07:47:47,597 INFO L226 Difference]: Without dead ends: 13701 [2018-12-09 07:47:47,609 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2188 GetRequests, 2175 SyntacticMatches, 6 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-09 07:47:47,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13701 states. [2018-12-09 07:47:47,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13701 to 13701. [2018-12-09 07:47:47,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13701 states. [2018-12-09 07:47:47,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13701 states to 13701 states and 14381 transitions. [2018-12-09 07:47:47,738 INFO L78 Accepts]: Start accepts. Automaton has 13701 states and 14381 transitions. Word has length 1087 [2018-12-09 07:47:47,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:47:47,739 INFO L480 AbstractCegarLoop]: Abstraction has 13701 states and 14381 transitions. [2018-12-09 07:47:47,739 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-09 07:47:47,739 INFO L276 IsEmpty]: Start isEmpty. Operand 13701 states and 14381 transitions. [2018-12-09 07:47:47,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1242 [2018-12-09 07:47:47,751 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:47:47,751 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-12-09 07:47:47,752 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:47:47,752 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:47:47,752 INFO L82 PathProgramCache]: Analyzing trace with hash 1635597650, now seen corresponding path program 1 times [2018-12-09 07:47:47,752 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:47:47,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:47:47,752 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:47:47,752 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:47:47,752 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:47:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:47:48,913 INFO L134 CoverageAnalysis]: Checked inductivity of 2741 backedges. 976 proven. 198 refuted. 0 times theorem prover too weak. 1567 trivial. 0 not checked. [2018-12-09 07:47:48,913 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:47:48,913 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:47:48,913 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1242 with the following transitions: [2018-12-09 07:47:48,913 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 07:47:48,916 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:47:48,916 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:47:49,658 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 07:47:49,658 INFO L272 AbstractInterpreter]: Visited 286 different actions 1146 times. Merged at 9 different actions 34 times. Widened at 1 different actions 1 times. Performed 13826 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13826 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-09 07:47:49,660 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:47:49,660 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 07:47:49,660 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:47:49,660 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/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 [2018-12-09 07:47:49,666 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:47:49,666 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 07:47:49,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:47:49,793 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:47:50,229 INFO L134 CoverageAnalysis]: Checked inductivity of 2741 backedges. 1120 proven. 2 refuted. 0 times theorem prover too weak. 1619 trivial. 0 not checked. [2018-12-09 07:47:50,229 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 07:47:50,743 INFO L134 CoverageAnalysis]: Checked inductivity of 2741 backedges. 1120 proven. 2 refuted. 0 times theorem prover too weak. 1619 trivial. 0 not checked. [2018-12-09 07:47:50,758 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 07:47:50,759 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 12 [2018-12-09 07:47:50,759 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 07:47:50,760 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-12-09 07:47:50,760 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-12-09 07:47:50,760 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2018-12-09 07:47:50,760 INFO L87 Difference]: Start difference. First operand 13701 states and 14381 transitions. Second operand 11 states. [2018-12-09 07:47:54,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:47:54,418 INFO L93 Difference]: Finished difference Result 27673 states and 29536 transitions. [2018-12-09 07:47:54,418 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-09 07:47:54,419 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1241 [2018-12-09 07:47:54,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:47:54,438 INFO L225 Difference]: With dead ends: 27673 [2018-12-09 07:47:54,438 INFO L226 Difference]: Without dead ends: 14315 [2018-12-09 07:47:54,450 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2555 GetRequests, 2506 SyntacticMatches, 3 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 592 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=465, Invalid=1791, Unknown=0, NotChecked=0, Total=2256 [2018-12-09 07:47:54,460 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14315 states. [2018-12-09 07:47:54,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14315 to 13720. [2018-12-09 07:47:54,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13720 states. [2018-12-09 07:47:54,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13720 states to 13720 states and 14225 transitions. [2018-12-09 07:47:54,576 INFO L78 Accepts]: Start accepts. Automaton has 13720 states and 14225 transitions. Word has length 1241 [2018-12-09 07:47:54,576 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:47:54,576 INFO L480 AbstractCegarLoop]: Abstraction has 13720 states and 14225 transitions. [2018-12-09 07:47:54,576 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-12-09 07:47:54,576 INFO L276 IsEmpty]: Start isEmpty. Operand 13720 states and 14225 transitions. [2018-12-09 07:47:54,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1265 [2018-12-09 07:47:54,589 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:47:54,589 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:47:54,589 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:47:54,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:47:54,590 INFO L82 PathProgramCache]: Analyzing trace with hash -1766404845, now seen corresponding path program 1 times [2018-12-09 07:47:54,590 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:47:54,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:47:54,590 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:47:54,590 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:47:54,590 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:47:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:47:55,283 INFO L134 CoverageAnalysis]: Checked inductivity of 3796 backedges. 1300 proven. 2 refuted. 0 times theorem prover too weak. 2494 trivial. 0 not checked. [2018-12-09 07:47:55,284 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:47:55,284 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:47:55,284 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1265 with the following transitions: [2018-12-09 07:47:55,284 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [776], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 07:47:55,286 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:47:55,286 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:47:58,181 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 07:47:58,181 INFO L272 AbstractInterpreter]: Visited 254 different actions 1020 times. Merged at 11 different actions 36 times. Never widened. Performed 11936 root evaluator evaluations with a maximum evaluation depth of 22. Performed 11936 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-09 07:47:58,183 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:47:58,183 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 07:47:58,183 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:47:58,183 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/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 [2018-12-09 07:47:58,188 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:47:58,189 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 07:47:58,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:47:58,314 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:47:58,718 INFO L134 CoverageAnalysis]: Checked inductivity of 3796 backedges. 1300 proven. 2 refuted. 0 times theorem prover too weak. 2494 trivial. 0 not checked. [2018-12-09 07:47:58,718 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 07:47:59,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3796 backedges. 1300 proven. 2 refuted. 0 times theorem prover too weak. 2494 trivial. 0 not checked. [2018-12-09 07:47:59,300 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 07:47:59,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-09 07:47:59,301 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 07:47:59,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-09 07:47:59,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-09 07:47:59,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-09 07:47:59,302 INFO L87 Difference]: Start difference. First operand 13720 states and 14225 transitions. Second operand 9 states. [2018-12-09 07:48:01,392 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:48:01,392 INFO L93 Difference]: Finished difference Result 31899 states and 33305 transitions. [2018-12-09 07:48:01,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-09 07:48:01,392 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1264 [2018-12-09 07:48:01,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:48:01,412 INFO L225 Difference]: With dead ends: 31899 [2018-12-09 07:48:01,412 INFO L226 Difference]: Without dead ends: 16454 [2018-12-09 07:48:01,424 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2555 GetRequests, 2533 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-09 07:48:01,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16454 states. [2018-12-09 07:48:01,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16454 to 13690. [2018-12-09 07:48:01,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13690 states. [2018-12-09 07:48:01,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13690 states to 13690 states and 14168 transitions. [2018-12-09 07:48:01,544 INFO L78 Accepts]: Start accepts. Automaton has 13690 states and 14168 transitions. Word has length 1264 [2018-12-09 07:48:01,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:48:01,544 INFO L480 AbstractCegarLoop]: Abstraction has 13690 states and 14168 transitions. [2018-12-09 07:48:01,545 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-09 07:48:01,545 INFO L276 IsEmpty]: Start isEmpty. Operand 13690 states and 14168 transitions. [2018-12-09 07:48:01,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1362 [2018-12-09 07:48:01,558 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:48:01,558 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:48:01,558 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:48:01,558 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:48:01,558 INFO L82 PathProgramCache]: Analyzing trace with hash 1079807314, now seen corresponding path program 1 times [2018-12-09 07:48:01,558 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:48:01,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:48:01,559 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:48:01,559 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:48:01,559 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:48:01,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:48:02,185 INFO L134 CoverageAnalysis]: Checked inductivity of 3837 backedges. 325 proven. 0 refuted. 0 times theorem prover too weak. 3512 trivial. 0 not checked. [2018-12-09 07:48:02,186 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-09 07:48:02,186 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-09 07:48:02,186 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-09 07:48:02,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-09 07:48:02,186 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-09 07:48:02,186 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 07:48:02,187 INFO L87 Difference]: Start difference. First operand 13690 states and 14168 transitions. Second operand 4 states. [2018-12-09 07:48:03,063 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:48:03,063 INFO L93 Difference]: Finished difference Result 27359 states and 28322 transitions. [2018-12-09 07:48:03,064 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-09 07:48:03,064 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1361 [2018-12-09 07:48:03,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:48:03,077 INFO L225 Difference]: With dead ends: 27359 [2018-12-09 07:48:03,077 INFO L226 Difference]: Without dead ends: 12632 [2018-12-09 07:48:03,087 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-09 07:48:03,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12632 states. [2018-12-09 07:48:03,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12632 to 12632. [2018-12-09 07:48:03,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12632 states. [2018-12-09 07:48:03,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12632 states to 12632 states and 12961 transitions. [2018-12-09 07:48:03,185 INFO L78 Accepts]: Start accepts. Automaton has 12632 states and 12961 transitions. Word has length 1361 [2018-12-09 07:48:03,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:48:03,186 INFO L480 AbstractCegarLoop]: Abstraction has 12632 states and 12961 transitions. [2018-12-09 07:48:03,186 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-09 07:48:03,186 INFO L276 IsEmpty]: Start isEmpty. Operand 12632 states and 12961 transitions. [2018-12-09 07:48:03,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1816 [2018-12-09 07:48:03,205 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:48:03,206 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:48:03,206 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:48:03,206 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:48:03,206 INFO L82 PathProgramCache]: Analyzing trace with hash -1907666271, now seen corresponding path program 1 times [2018-12-09 07:48:03,206 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:48:03,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:48:03,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:48:03,207 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:48:03,207 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:48:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:48:06,222 INFO L134 CoverageAnalysis]: Checked inductivity of 6501 backedges. 2386 proven. 1143 refuted. 0 times theorem prover too weak. 2972 trivial. 0 not checked. [2018-12-09 07:48:06,222 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:48:06,222 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:48:06,222 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1816 with the following transitions: [2018-12-09 07:48:06,222 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [776], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-09 07:48:06,225 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:48:06,225 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:48:09,336 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 07:48:09,336 INFO L272 AbstractInterpreter]: Visited 353 different actions 1409 times. Merged at 11 different actions 38 times. Never widened. Performed 17353 root evaluator evaluations with a maximum evaluation depth of 22. Performed 17353 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-09 07:48:09,337 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:48:09,338 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 07:48:09,338 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:48:09,338 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 07:48:09,343 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:48:09,344 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 07:48:09,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:48:09,524 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:48:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 6501 backedges. 2606 proven. 2 refuted. 0 times theorem prover too weak. 3893 trivial. 0 not checked. [2018-12-09 07:48:10,616 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 07:48:12,836 INFO L134 CoverageAnalysis]: Checked inductivity of 6501 backedges. 413 proven. 2475 refuted. 0 times theorem prover too weak. 3613 trivial. 0 not checked. [2018-12-09 07:48:12,851 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 07:48:12,852 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 8, 8] total 25 [2018-12-09 07:48:12,852 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 07:48:12,853 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-09 07:48:12,853 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-09 07:48:12,853 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2018-12-09 07:48:12,853 INFO L87 Difference]: Start difference. First operand 12632 states and 12961 transitions. Second operand 20 states. [2018-12-09 07:48:14,776 WARN L180 SmtUtils]: Spent 269.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 46 [2018-12-09 07:48:16,524 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2018-12-09 07:48:20,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:48:20,190 INFO L93 Difference]: Finished difference Result 23280 states and 23965 transitions. [2018-12-09 07:48:20,190 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-09 07:48:20,191 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1815 [2018-12-09 07:48:20,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:48:20,204 INFO L225 Difference]: With dead ends: 23280 [2018-12-09 07:48:20,204 INFO L226 Difference]: Without dead ends: 13027 [2018-12-09 07:48:20,212 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3720 GetRequests, 3654 SyntacticMatches, 3 SemanticMatches, 63 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1051 ImplicationChecksByTransitivity, 1.9s TimeCoverageRelationStatistics Valid=770, Invalid=3390, Unknown=0, NotChecked=0, Total=4160 [2018-12-09 07:48:20,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13027 states. [2018-12-09 07:48:20,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13027 to 12981. [2018-12-09 07:48:20,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12981 states. [2018-12-09 07:48:20,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12981 states to 12981 states and 13304 transitions. [2018-12-09 07:48:20,318 INFO L78 Accepts]: Start accepts. Automaton has 12981 states and 13304 transitions. Word has length 1815 [2018-12-09 07:48:20,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:48:20,318 INFO L480 AbstractCegarLoop]: Abstraction has 12981 states and 13304 transitions. [2018-12-09 07:48:20,319 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-09 07:48:20,319 INFO L276 IsEmpty]: Start isEmpty. Operand 12981 states and 13304 transitions. [2018-12-09 07:48:20,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2094 [2018-12-09 07:48:20,342 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:48:20,343 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:48:20,343 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:48:20,343 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:48:20,343 INFO L82 PathProgramCache]: Analyzing trace with hash -1867526319, now seen corresponding path program 1 times [2018-12-09 07:48:20,343 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:48:20,343 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:48:20,344 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:48:20,344 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:48:20,344 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:48:20,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:48:26,653 INFO L134 CoverageAnalysis]: Checked inductivity of 7478 backedges. 2746 proven. 1988 refuted. 0 times theorem prover too weak. 2744 trivial. 0 not checked. [2018-12-09 07:48:26,653 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:48:26,653 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:48:26,653 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2094 with the following transitions: [2018-12-09 07:48:26,654 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-09 07:48:26,658 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:48:26,658 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:48:27,611 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 07:48:27,611 INFO L272 AbstractInterpreter]: Visited 353 different actions 1418 times. Merged at 13 different actions 47 times. Widened at 1 different actions 1 times. Performed 17447 root evaluator evaluations with a maximum evaluation depth of 22. Performed 17447 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-09 07:48:27,613 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:48:27,613 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 07:48:27,613 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:48:27,613 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 07:48:27,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:48:27,619 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 07:48:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:48:27,829 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:48:28,905 INFO L134 CoverageAnalysis]: Checked inductivity of 7478 backedges. 4310 proven. 2 refuted. 0 times theorem prover too weak. 3166 trivial. 0 not checked. [2018-12-09 07:48:28,905 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 07:48:30,618 INFO L134 CoverageAnalysis]: Checked inductivity of 7478 backedges. 1626 proven. 411 refuted. 0 times theorem prover too weak. 5441 trivial. 0 not checked. [2018-12-09 07:48:30,634 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 07:48:30,635 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [21, 5, 5] total 26 [2018-12-09 07:48:30,635 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 07:48:30,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-09 07:48:30,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-09 07:48:30,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=102, Invalid=548, Unknown=0, NotChecked=0, Total=650 [2018-12-09 07:48:30,637 INFO L87 Difference]: Start difference. First operand 12981 states and 13304 transitions. Second operand 24 states. [2018-12-09 07:48:35,583 WARN L180 SmtUtils]: Spent 358.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 51 [2018-12-09 07:48:36,820 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 26 [2018-12-09 07:48:37,087 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 19 [2018-12-09 07:48:38,632 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 70 [2018-12-09 07:48:38,969 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 70 DAG size of output: 66 [2018-12-09 07:48:39,451 WARN L180 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 55 [2018-12-09 07:48:39,777 WARN L180 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 35 [2018-12-09 07:48:40,696 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2018-12-09 07:48:43,135 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 36 [2018-12-09 07:48:43,384 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 28 [2018-12-09 07:48:45,309 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 16 [2018-12-09 07:48:49,649 WARN L180 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 60 DAG size of output: 43 [2018-12-09 07:48:50,365 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 26 [2018-12-09 07:48:50,862 WARN L180 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 59 [2018-12-09 07:48:51,455 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:48:51,455 INFO L93 Difference]: Finished difference Result 23376 states and 24113 transitions. [2018-12-09 07:48:51,455 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 73 states. [2018-12-09 07:48:51,456 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 2093 [2018-12-09 07:48:51,456 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:48:51,472 INFO L225 Difference]: With dead ends: 23376 [2018-12-09 07:48:51,472 INFO L226 Difference]: Without dead ends: 13115 [2018-12-09 07:48:51,482 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4325 GetRequests, 4225 SyntacticMatches, 8 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2625 ImplicationChecksByTransitivity, 7.1s TimeCoverageRelationStatistics Valid=1472, Invalid=7270, Unknown=0, NotChecked=0, Total=8742 [2018-12-09 07:48:51,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13115 states. [2018-12-09 07:48:51,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13115 to 12646. [2018-12-09 07:48:51,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12646 states. [2018-12-09 07:48:51,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12646 states to 12646 states and 12879 transitions. [2018-12-09 07:48:51,599 INFO L78 Accepts]: Start accepts. Automaton has 12646 states and 12879 transitions. Word has length 2093 [2018-12-09 07:48:51,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:48:51,600 INFO L480 AbstractCegarLoop]: Abstraction has 12646 states and 12879 transitions. [2018-12-09 07:48:51,600 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-09 07:48:51,600 INFO L276 IsEmpty]: Start isEmpty. Operand 12646 states and 12879 transitions. [2018-12-09 07:48:51,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2234 [2018-12-09 07:48:51,625 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:48:51,626 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-09 07:48:51,626 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:48:51,626 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:48:51,626 INFO L82 PathProgramCache]: Analyzing trace with hash -1106029690, now seen corresponding path program 1 times [2018-12-09 07:48:51,626 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:48:51,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:48:51,627 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:48:51,627 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:48:51,627 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:48:51,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:48:55,955 INFO L134 CoverageAnalysis]: Checked inductivity of 10107 backedges. 2602 proven. 2145 refuted. 0 times theorem prover too weak. 5360 trivial. 0 not checked. [2018-12-09 07:48:55,955 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:48:55,955 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:48:55,956 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2234 with the following transitions: [2018-12-09 07:48:55,956 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [776], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1532], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 07:48:55,958 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:48:55,958 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:48:58,883 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 07:48:58,884 INFO L272 AbstractInterpreter]: Visited 303 different actions 1218 times. Merged at 11 different actions 38 times. Widened at 1 different actions 1 times. Performed 14646 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14646 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 18 fixpoints after 10 different actions. Largest state had 24 variables. [2018-12-09 07:48:58,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:48:58,886 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 07:48:58,886 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:48:58,886 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 07:48:58,891 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:48:58,891 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 07:48:59,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:48:59,108 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:49:00,505 INFO L134 CoverageAnalysis]: Checked inductivity of 10107 backedges. 6722 proven. 6 refuted. 0 times theorem prover too weak. 3379 trivial. 0 not checked. [2018-12-09 07:49:00,505 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 07:49:02,780 INFO L134 CoverageAnalysis]: Checked inductivity of 10107 backedges. 1769 proven. 1344 refuted. 0 times theorem prover too weak. 6994 trivial. 0 not checked. [2018-12-09 07:49:02,795 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 07:49:02,796 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 8, 8] total 28 [2018-12-09 07:49:02,796 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 07:49:02,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2018-12-09 07:49:02,797 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2018-12-09 07:49:02,797 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=106, Invalid=650, Unknown=0, NotChecked=0, Total=756 [2018-12-09 07:49:02,797 INFO L87 Difference]: Start difference. First operand 12646 states and 12879 transitions. Second operand 23 states. [2018-12-09 07:49:07,627 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 21 [2018-12-09 07:49:07,883 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 22 [2018-12-09 07:49:08,270 WARN L180 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 34 [2018-12-09 07:49:19,912 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:49:19,912 INFO L93 Difference]: Finished difference Result 23292 states and 23771 transitions. [2018-12-09 07:49:19,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 72 states. [2018-12-09 07:49:19,913 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 2233 [2018-12-09 07:49:19,913 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:49:19,927 INFO L225 Difference]: With dead ends: 23292 [2018-12-09 07:49:19,927 INFO L226 Difference]: Without dead ends: 13717 [2018-12-09 07:49:19,935 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4613 GetRequests, 4513 SyntacticMatches, 5 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2623 ImplicationChecksByTransitivity, 3.0s TimeCoverageRelationStatistics Valid=1565, Invalid=7747, Unknown=0, NotChecked=0, Total=9312 [2018-12-09 07:49:19,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13717 states. [2018-12-09 07:49:20,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13717 to 13356. [2018-12-09 07:49:20,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13356 states. [2018-12-09 07:49:20,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13356 states to 13356 states and 13626 transitions. [2018-12-09 07:49:20,047 INFO L78 Accepts]: Start accepts. Automaton has 13356 states and 13626 transitions. Word has length 2233 [2018-12-09 07:49:20,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:49:20,047 INFO L480 AbstractCegarLoop]: Abstraction has 13356 states and 13626 transitions. [2018-12-09 07:49:20,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has 23 states. [2018-12-09 07:49:20,047 INFO L276 IsEmpty]: Start isEmpty. Operand 13356 states and 13626 transitions. [2018-12-09 07:49:20,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2240 [2018-12-09 07:49:20,073 INFO L394 BasicCegarLoop]: Found error trace [2018-12-09 07:49:20,073 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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] [2018-12-09 07:49:20,073 INFO L423 AbstractCegarLoop]: === Iteration 21 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-09 07:49:20,073 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:49:20,074 INFO L82 PathProgramCache]: Analyzing trace with hash -1355704378, now seen corresponding path program 1 times [2018-12-09 07:49:20,074 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-09 07:49:20,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:49:20,074 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:49:20,074 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-09 07:49:20,074 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-09 07:49:20,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:49:26,745 INFO L134 CoverageAnalysis]: Checked inductivity of 9742 backedges. 1229 proven. 6086 refuted. 0 times theorem prover too weak. 2427 trivial. 0 not checked. [2018-12-09 07:49:26,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:49:26,746 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-09 07:49:26,746 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2240 with the following transitions: [2018-12-09 07:49:26,746 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [447], [449], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1188], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1216], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1296], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-09 07:49:26,749 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-09 07:49:26,749 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-09 07:49:27,576 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-09 07:49:27,577 INFO L272 AbstractInterpreter]: Visited 292 different actions 1174 times. Merged at 11 different actions 38 times. Widened at 1 different actions 1 times. Performed 14183 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14183 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 18 fixpoints after 11 different actions. Largest state had 24 variables. [2018-12-09 07:49:27,578 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 07:49:27,579 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-09 07:49:27,579 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-09 07:49:27,579 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-09 07:49:27,584 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-09 07:49:27,584 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-09 07:49:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 07:49:27,806 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-09 07:49:29,070 INFO L134 CoverageAnalysis]: Checked inductivity of 9742 backedges. 5371 proven. 2 refuted. 0 times theorem prover too weak. 4369 trivial. 0 not checked. [2018-12-09 07:49:29,070 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-09 07:49:30,788 INFO L134 CoverageAnalysis]: Checked inductivity of 9742 backedges. 990 proven. 749 refuted. 0 times theorem prover too weak. 8003 trivial. 0 not checked. [2018-12-09 07:49:30,825 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-09 07:49:30,826 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-12-09 07:49:30,826 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-09 07:49:30,827 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-12-09 07:49:30,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-12-09 07:49:30,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=127, Invalid=743, Unknown=0, NotChecked=0, Total=870 [2018-12-09 07:49:30,828 INFO L87 Difference]: Start difference. First operand 13356 states and 13626 transitions. Second operand 28 states. [2018-12-09 07:49:42,983 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 53 [2018-12-09 07:49:43,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-09 07:49:43,294 INFO L93 Difference]: Finished difference Result 27428 states and 28118 transitions. [2018-12-09 07:49:43,295 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2018-12-09 07:49:43,295 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2239 [2018-12-09 07:49:43,296 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-09 07:49:43,297 INFO L225 Difference]: With dead ends: 27428 [2018-12-09 07:49:43,297 INFO L226 Difference]: Without dead ends: 0 [2018-12-09 07:49:43,327 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4627 GetRequests, 4529 SyntacticMatches, 6 SemanticMatches, 92 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2886 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1313, Invalid=7429, Unknown=0, NotChecked=0, Total=8742 [2018-12-09 07:49:43,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-09 07:49:43,327 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-09 07:49:43,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-09 07:49:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-09 07:49:43,328 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2239 [2018-12-09 07:49:43,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-09 07:49:43,328 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-09 07:49:43,329 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-12-09 07:49:43,329 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-09 07:49:43,329 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 07:49:43,333 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-09 07:49:43,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,404 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,433 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,451 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,469 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,508 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,515 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,525 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,533 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,604 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,653 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,665 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,750 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,786 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,831 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,960 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:43,978 WARN L180 SmtUtils]: Spent 631.00 ms on a formula simplification. DAG size of input: 687 DAG size of output: 490 [2018-12-09 07:49:43,994 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,028 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,074 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,075 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,082 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,115 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,120 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,161 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,181 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,188 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,242 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,249 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,339 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,348 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,381 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,394 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,425 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,464 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,465 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,470 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,539 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,542 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,587 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,588 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,620 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,657 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,814 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,916 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-09 07:49:44,930 WARN L180 SmtUtils]: Spent 602.00 ms on a formula simplification. DAG size of input: 722 DAG size of output: 544 [2018-12-09 07:49:46,872 WARN L180 SmtUtils]: Spent 1.92 s on a formula simplification. DAG size of input: 425 DAG size of output: 124 [2018-12-09 07:49:49,087 WARN L180 SmtUtils]: Spent 2.17 s on a formula simplification. DAG size of input: 406 DAG size of output: 145 [2018-12-09 07:49:51,167 WARN L180 SmtUtils]: Spent 2.07 s on a formula simplification. DAG size of input: 404 DAG size of output: 132 [2018-12-09 07:49:54,207 WARN L180 SmtUtils]: Spent 3.03 s on a formula simplification. DAG size of input: 435 DAG size of output: 164 [2018-12-09 07:49:58,050 WARN L180 SmtUtils]: Spent 3.83 s on a formula simplification. DAG size of input: 489 DAG size of output: 122 [2018-12-09 07:49:58,055 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-09 07:49:58,055 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-09 07:49:58,055 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-09 07:49:58,056 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,056 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 07:49:58,056 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,056 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,056 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,056 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,057 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,057 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,057 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,057 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,057 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,057 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,057 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,058 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,058 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,058 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,058 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,058 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,058 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,059 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,059 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,059 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,059 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,059 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,059 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,059 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,060 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,060 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,060 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,061 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse28 (= 8 |old(~a12~0)|))) (let ((.cse32 (= ~a16~0 |old(~a16~0)|)) (.cse20 (= ~a18~0 |old(~a18~0)|)) (.cse26 (= |old(~a16~0)| ~a16~0)) (.cse11 (= ~a16~0 10)) (.cse10 (= |old(~a15~0)| ~a15~0)) (.cse12 (= |old(~a12~0)| ~a12~0)) (.cse7 (not (= 3 |old(~a15~0)|))) (.cse16 (not (= 11 |old(~a16~0)|))) (.cse31 (= 6 |old(~a12~0)|)) (.cse17 (= 4 |old(~a15~0)|)) (.cse14 (not .cse28)) (.cse25 (< 0 (+ |old(~a18~0)| 156)))) (let ((.cse4 (or (= 12 |old(~a16~0)|) .cse17 .cse14 .cse25)) (.cse3 (not .cse31)) (.cse15 (not (= 7 |old(~a12~0)|))) (.cse21 (let ((.cse33 (= 0 |old(~a12~0)|))) (and (or .cse7 (not (= (+ |old(~a18~0)| 87) 0)) .cse33 .cse16) (or .cse7 .cse33 (not (= 0 (mod |old(~a12~0)| 2))) .cse16)))) (.cse9 (< |old(~a16~0)| 12)) (.cse24 (not (= 9 |old(~a12~0)|))) (.cse18 (and .cse11 .cse10 .cse12)) (.cse19 (= ~a16~0 11)) (.cse23 (or .cse7 .cse16)) (.cse29 (< |old(~a12~0)| 6)) (.cse27 (and .cse26 .cse10 .cse12)) (.cse1 (not (= 8 |old(~a16~0)|))) (.cse5 (<= (+ ~a18~0 156) 0)) (.cse13 (not (= 10 |old(~a16~0)|))) (.cse30 (< 7 |old(~a12~0)|)) (.cse0 (not .cse17)) (.cse2 (and .cse10 .cse32 .cse20 .cse12)) (.cse8 (not (= 5 |old(~a12~0)|))) (.cse6 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse4 .cse5 .cse6) (or .cse7 .cse8 .cse9 .cse2) (or .cse7 .cse8 (and .cse10 .cse11 .cse12) .cse13) (or .cse0 .cse1 .cse2 .cse14) (or .cse5 .cse13 .cse4) (or .cse0 .cse2 .cse1 .cse15) (or .cse2 (or .cse7 .cse15 .cse16)) (or .cse17 .cse18 .cse14 .cse13) (or (and (and .cse19 (= ~a15~0 3)) .cse20 .cse12) .cse21 .cse3) (or .cse2 .cse1 .cse14 (forall ((v_prenex_4 Int)) (let ((.cse22 (* 5 (div (* 10 v_prenex_4) (- 5))))) (or (< .cse22 0) (< 0 (+ v_prenex_4 79)) (< |old(~a18~0)| (div .cse22 5)))))) (or .cse2 .cse23 .cse24) (or .cse5 .cse15 .cse6 .cse25) (or (and .cse26 .cse20 .cse10 .cse12) (or .cse21 .cse14)) (or .cse1 .cse27 .cse17 .cse28) (or .cse17 .cse29 .cse9 .cse2) (or .cse0 .cse29 .cse2 .cse6) (or .cse0 .cse1 .cse2 .cse24) (or .cse29 .cse18 .cse13 .cse30) (or (and .cse20 .cse19 (= ~a15~0 |old(~a15~0)|) .cse12) .cse23 .cse8) (or .cse0 .cse1 .cse8 .cse2) (or .cse31 .cse29 .cse27 .cse6) (or .cse1 .cse17 .cse28 .cse5 .cse25) (or .cse7 .cse8 (and .cse10 .cse32 .cse12) .cse6) (or .cse0 (and .cse10 .cse20 .cse11 .cse12) .cse13 .cse30) (or .cse0 .cse2 .cse8 .cse6))))) [2018-12-09 07:49:58,061 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,061 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,061 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,062 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,062 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,062 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,062 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,062 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-09 07:49:58,062 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,062 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,063 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,063 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,063 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,063 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,063 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,063 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,064 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-09 07:49:58,064 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,064 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,064 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,064 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,064 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,064 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,065 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,065 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,065 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,065 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,065 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,065 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,065 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,066 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-09 07:49:58,066 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,066 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-09 07:49:58,066 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-09 07:49:58,067 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse30 (+ |old(~a18~0)| 156)) (.cse29 (= 8 |old(~a12~0)|))) (let ((.cse36 (= 6 |old(~a12~0)|)) (.cse8 (not (= 3 |old(~a15~0)|))) (.cse26 (not (= calculate_output_~input 0))) (.cse13 (= 4 |old(~a15~0)|)) (.cse16 (not .cse29)) (.cse24 (< 0 .cse30)) (.cse33 (= ~a16~0 10)) (.cse27 (= |old(~a15~0)| ~a15~0)) (.cse10 (= ~a16~0 |old(~a16~0)|)) (.cse11 (= ~a18~0 |old(~a18~0)|)) (.cse12 (= |old(~a12~0)| ~a12~0)) (.cse31 (= calculate_output_~input 4))) (let ((.cse3 (not (= 7 |old(~a12~0)|))) (.cse18 (not .cse31)) (.cse2 (and .cse27 .cse10 .cse11 .cse12)) (.cse19 (and .cse33 .cse27 .cse12)) (.cse25 (<= ~a18~0 134)) (.cse32 (not (= 9 |old(~a12~0)|))) (.cse14 (< |old(~a12~0)| 6)) (.cse28 (and (= |old(~a16~0)| ~a16~0) .cse27 .cse12)) (.cse1 (not (= 8 |old(~a16~0)|))) (.cse6 (<= (+ ~a18~0 156) 0)) (.cse5 (or (= 12 |old(~a16~0)|) .cse13 .cse16 .cse24)) (.cse0 (not .cse13)) (.cse20 (not (= 10 |old(~a16~0)|))) (.cse34 (< 7 |old(~a12~0)|)) (.cse22 (and .cse27 .cse26 .cse10 .cse11 .cse12)) (.cse15 (< |old(~a16~0)| 12)) (.cse35 (and (or .cse8 (not (= (+ |old(~a18~0)| 87) 0))) (or .cse8 (not (= 0 (mod |old(~a12~0)| 2)))))) (.cse9 (not (= 11 |old(~a16~0)|))) (.cse4 (not .cse36)) (.cse17 (not (= 5 |old(~a12~0)|))) (.cse23 (= |calculate_output_#in~input| 0)) (.cse7 (not (= 9 |old(~a16~0)|)))) (and (or .cse0 .cse1 .cse2 .cse3) (or .cse0 .cse1 .cse2 .cse4) (or .cse5 .cse6 .cse7) (or .cse8 .cse5 .cse9 (and .cse10 (= 3 ~a15~0) (not (= calculate_output_~input 3)) .cse11 .cse12)) (or .cse13 .cse14 .cse2 .cse15) (or .cse0 .cse1 .cse2 .cse16) (or .cse0 (< 0 (+ |old(~a18~0)| 388559)) .cse17 .cse18 .cse7) (or .cse13 .cse19 .cse16 .cse20) (or .cse2 .cse1 .cse16 (forall ((v_prenex_4 Int)) (let ((.cse21 (* 5 (div (* 10 v_prenex_4) (- 5))))) (or (< .cse21 0) (< 0 (+ v_prenex_4 79)) (< |old(~a18~0)| (div .cse21 5)))))) (or .cse22 (or .cse8 .cse3 .cse9 .cse23)) (or .cse6 .cse3 .cse7 .cse24) (or .cse0 .cse4 .cse7 (or .cse25 .cse18)) (or (and .cse11 (and (= ~a16~0 11) .cse26) .cse27 .cse12) (or .cse8 .cse17 .cse9 .cse23)) (or .cse1 .cse28 .cse13 .cse29) (or .cse0 .cse17 .cse2 (and (<= .cse30 0) .cse31) .cse7) (or .cse0 .cse2 .cse14 .cse7) (or .cse0 .cse1 .cse2 .cse32) (or .cse8 .cse17 .cse23 .cse20 (and .cse27 .cse26 .cse33 .cse12)) (or .cse14 .cse19 .cse20 .cse34) (or .cse0 .cse1 .cse17 (and (or (not (= calculate_output_~input 6)) .cse25) .cse27 .cse10 .cse11 .cse12)) (or .cse22 (or .cse8 .cse9 .cse23) .cse32) (or (or .cse35 .cse16 .cse9 .cse23) (and .cse26 .cse10 .cse11 .cse27 .cse12)) (or .cse36 .cse14 .cse28 .cse7) (or .cse1 .cse13 .cse29 .cse6 .cse24) (or .cse26 (or .cse1 .cse8 .cse17) .cse23) (or .cse6 .cse5 .cse20) (or .cse0 (and .cse27 .cse11 .cse33 .cse12) .cse20 .cse34) (or .cse8 .cse17 .cse22 .cse15 .cse23) (or (and (and .cse26 .cse10) .cse11 (= ~a15~0 |old(~a15~0)|) .cse12) (or .cse35 .cse9 .cse23) .cse4) (or .cse8 .cse17 (and .cse27 .cse26 .cse10 .cse12) .cse23 .cse7))))) [2018-12-09 07:49:58,067 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,068 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-09 07:49:58,068 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,068 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,068 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,068 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,068 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,069 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,069 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,069 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-09 07:49:58,069 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-09 07:49:58,069 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,069 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-09 07:49:58,069 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,070 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,070 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 124) no Hoare annotation was computed. [2018-12-09 07:49:58,070 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,070 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,070 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,070 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,071 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,071 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,071 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,071 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,071 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,071 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,071 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,072 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,072 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,072 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-09 07:49:58,072 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,072 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-09 07:49:58,072 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-09 07:49:58,072 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,072 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,072 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,073 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,073 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,073 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,073 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,073 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,073 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,073 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,073 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-09 07:49:58,073 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-09 07:49:58,073 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,074 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-09 07:49:58,074 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,074 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,074 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,074 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,074 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,074 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,074 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,074 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,075 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,075 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,075 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,075 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,075 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-09 07:49:58,075 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,075 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-09 07:49:58,075 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-09 07:49:58,075 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,075 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,076 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,076 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,076 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,076 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,076 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,076 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,076 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,076 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,076 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,076 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,077 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-09 07:49:58,077 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,077 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-09 07:49:58,077 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,077 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-09 07:49:58,077 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,077 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,077 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,077 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,077 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,077 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,077 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,077 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,078 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,078 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,078 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,078 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,078 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,078 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-09 07:49:58,078 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-09 07:49:58,078 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-09 07:49:58,078 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,078 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,078 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,078 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,078 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,079 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,079 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,079 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,079 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,079 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,079 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,079 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,079 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-09 07:49:58,079 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,079 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-09 07:49:58,079 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-09 07:49:58,079 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,079 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,080 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,080 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,080 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,080 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,080 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse31 (+ |old(~a18~0)| 156)) (.cse26 (= 8 |old(~a12~0)|))) (let ((.cse30 (= 6 |old(~a12~0)|)) (.cse0 (not (= 3 |old(~a15~0)|))) (.cse1 (= ~a16~0 |old(~a16~0)|)) (.cse2 (= ~a18~0 |old(~a18~0)|)) (.cse19 (= 4 |old(~a15~0)|)) (.cse14 (not .cse26)) (.cse24 (< 0 .cse31)) (.cse32 (= |old(~a16~0)| ~a16~0)) (.cse23 (= ~a16~0 10)) (.cse18 (= |old(~a15~0)| ~a15~0)) (.cse3 (= |old(~a12~0)| ~a12~0))) (let ((.cse12 (not (= 7 |old(~a12~0)|))) (.cse16 (< |old(~a16~0)| 12)) (.cse28 (not (= 9 |old(~a12~0)|))) (.cse20 (and .cse23 .cse18 .cse3)) (.cse27 (< |old(~a12~0)| 6)) (.cse25 (and .cse32 .cse18 .cse3)) (.cse7 (not (= 8 |old(~a16~0)|))) (.cse10 (<= (+ ~a18~0 156) 0)) (.cse4 (or (= 12 |old(~a16~0)|) .cse19 .cse14 .cse24)) (.cse21 (not (= 10 |old(~a16~0)|))) (.cse29 (< 7 |old(~a12~0)|)) (.cse6 (not .cse19)) (.cse15 (not (= 5 |old(~a12~0)|))) (.cse8 (and .cse18 .cse1 .cse2 .cse3)) (.cse11 (not (= 9 |old(~a16~0)|))) (.cse17 (and (or .cse0 (not (= (+ |old(~a18~0)| 87) 0))) (or .cse0 (not (= 0 (mod |old(~a12~0)| 2)))))) (.cse5 (not (= 11 |old(~a16~0)|))) (.cse13 (= |calculate_output_#in~input| 0)) (.cse9 (not .cse30))) (and (or .cse0 (and .cse1 (= 3 ~a15~0) .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or .cse4 .cse10 .cse11) (or (or .cse0 .cse12 .cse5 .cse13) .cse8) (or .cse6 .cse7 .cse8 .cse14) (or .cse0 .cse15 .cse8 .cse16 .cse13) (or (or .cse17 .cse14 .cse5 .cse13) (and .cse1 .cse2 .cse18 .cse3)) (or .cse6 .cse8 .cse7 .cse12) (or .cse6 (< 0 (+ |old(~a18~0)| 388559)) .cse15 .cse8 .cse11) (or .cse19 .cse20 .cse14 .cse21) (or .cse8 .cse7 .cse14 (forall ((v_prenex_4 Int)) (let ((.cse22 (* 5 (div (* 10 v_prenex_4) (- 5))))) (or (< .cse22 0) (< 0 (+ v_prenex_4 79)) (< |old(~a18~0)| (div .cse22 5)))))) (or .cse0 .cse15 (and .cse18 .cse23 .cse3) .cse13 .cse21) (or (and .cse18 .cse1 .cse3) .cse0 .cse15 .cse13 .cse11) (or .cse10 .cse12 .cse11 .cse24) (or .cse7 .cse25 .cse19 .cse26) (or .cse19 .cse27 .cse16 .cse8) (or .cse8 (or .cse0 .cse5 .cse13) .cse28) (or .cse6 .cse27 .cse8 .cse11) (or (and .cse1 .cse2 (= ~a15~0 |old(~a15~0)|) .cse3) (or .cse0 .cse15 .cse5 .cse13)) (or .cse6 .cse7 .cse8 .cse28) (or .cse27 .cse20 .cse21 .cse29) (or .cse6 .cse7 .cse15 .cse8) (or .cse30 .cse27 .cse25 .cse11) (or .cse7 .cse19 .cse26 .cse10 .cse24) (or .cse10 .cse4 .cse21) (or .cse6 (and .cse18 .cse2 .cse23 .cse3) .cse21 .cse29) (or .cse6 .cse15 (and (<= .cse31 0) (= calculate_output_~input 4)) .cse8 .cse11) (or (or .cse17 .cse5 .cse13) .cse9 (and .cse32 .cse2 .cse18 .cse3)))))) [2018-12-09 07:49:58,080 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,081 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,081 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,081 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,081 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,081 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,081 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,081 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,081 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,081 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-09 07:49:58,081 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-09 07:49:58,081 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-09 07:49:58,081 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,081 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,082 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,083 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,084 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,084 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,084 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,084 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,084 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,084 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,084 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,084 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,084 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-09 07:49:58,084 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,084 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-09 07:49:58,084 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-09 07:49:58,084 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,084 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,084 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,085 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,085 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,085 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,085 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,085 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,085 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,085 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,085 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,085 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,085 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-09 07:49:58,085 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-09 07:49:58,085 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-09 07:49:58,085 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,085 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,086 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,087 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-09 07:49:58,088 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,089 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,090 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,091 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-09 07:49:58,092 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-09 07:49:58,093 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,093 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,093 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-09 07:49:58,093 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-09 07:49:58,093 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5))) [2018-12-09 07:49:58,093 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-09 07:49:58,093 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-09 07:49:58,093 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0))) [2018-12-09 07:49:58,093 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 07:49:58,093 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse21 (= ~a12~0 6))) (let ((.cse19 (not .cse21)) (.cse10 (not (= ~a15~0 4))) (.cse23 (+ ~a18~0 156)) (.cse4 (not (= main_~input~0 0))) (.cse28 (= ~a16~0 11)) (.cse5 (= ~a15~0 3))) (let ((.cse7 (= ~a16~0 10)) (.cse13 (<= ~a12~0 7)) (.cse1 (= 5 ~a12~0)) (.cse12 (and .cse4 .cse28 .cse5)) (.cse25 (= ~a12~0 9)) (.cse3 (< 0 .cse23)) (.cse22 (= ~a16~0 |old(~a16~0)|)) (.cse18 (<= 12 ~a16~0)) (.cse24 (= |old(~a15~0)| ~a15~0)) (.cse11 (<= |old(~a18~0)| ~a18~0)) (.cse20 (or (and .cse28 .cse5 (= (mod ~a12~0 2) 0)) (and .cse28 .cse5 (= (+ ~a18~0 87) 0)))) (.cse17 (= 8 ~a12~0)) (.cse0 (= 4 ~a15~0)) (.cse15 (<= 6 ~a12~0)) (.cse9 (= ~a16~0 8)) (.cse16 (and .cse19 .cse10 (not (= ~a16~0 12)))) (.cse8 (= 8 ~a16~0)) (.cse26 (= 7 ~a12~0)) (.cse14 (+ |old(~a18~0)| 87)) (.cse6 (= ~a12~0 5)) (.cse2 (= 9 ~a16~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse1) (and .cse9 .cse10 (not (= ~a12~0 8))) (and .cse11 .cse12 (= |old(~a12~0)| ~a12~0)) (and .cse0 .cse13 .cse7) (not (= 3 |old(~a15~0)|)) (< .cse14 0) (and .cse0 .cse2 .cse15) (and (and .cse16 .cse17) .cse7) (and .cse7 .cse13 .cse15) (and (and .cse18 .cse19 .cse10) .cse15) (and .cse17 .cse4 .cse20) (and .cse8 .cse21) (and (and .cse22 (and (<= .cse23 0) .cse17)) .cse24) (and .cse18 .cse24 .cse21) (and .cse0 .cse1 (<= (+ ~a18~0 388559) 0) .cse2) (and .cse25 .cse12) (and .cse8 .cse25) (and (and .cse4 .cse3 .cse26 .cse22) .cse24) (and .cse18 .cse4 .cse6 .cse24) (not (= 5 |old(~a12~0)|)) (and .cse11 (and .cse4 .cse20) .cse21) (and .cse8 .cse17 .cse0) (and .cse2 .cse19 .cse15) (and (and .cse9 .cse16) (exists ((v_prenex_4 Int)) (let ((.cse27 (* 5 (div (* 10 v_prenex_4) (- 5))))) (and (<= 0 .cse27) (<= (+ v_prenex_4 79) 0) (<= (div .cse27 5) ~a18~0))))) (and .cse8 .cse26) (< 0 .cse14) (and .cse4 .cse5 .cse6 .cse2))))) [2018-12-09 07:49:58,093 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-09 07:49:58,093 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-09 07:49:58,094 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse11 (= ~a12~0 6))) (let ((.cse21 (= ~a12~0 5)) (.cse19 (not .cse11)) (.cse6 (not (= ~a15~0 4))) (.cse27 (not (= ~a16~0 12))) (.cse23 (= ~a16~0 11)) (.cse20 (= ~a15~0 3))) (let ((.cse10 (or (and .cse23 .cse20 (= (mod ~a12~0 2) 0)) (and .cse23 .cse20 (= (+ ~a18~0 87) 0)))) (.cse9 (<= |old(~a18~0)| ~a18~0)) (.cse7 (<= ~a12~0 7)) (.cse16 (= ~a16~0 |old(~a16~0)|)) (.cse18 (<= 12 ~a16~0)) (.cse15 (= |old(~a15~0)| ~a15~0)) (.cse1 (= 5 ~a12~0)) (.cse22 (= ~a12~0 9)) (.cse3 (< 0 (+ ~a18~0 156))) (.cse12 (= 8 ~a12~0)) (.cse0 (= 4 ~a15~0)) (.cse2 (= 9 ~a16~0)) (.cse14 (<= 6 ~a12~0)) (.cse5 (= ~a16~0 8)) (.cse17 (and .cse19 .cse6 .cse27)) (.cse8 (= ~a16~0 10)) (.cse25 (and (and (not (= ~a16~0 0)) .cse20 .cse27 .cse21) (<= |old(~a12~0)| 5))) (.cse4 (= 8 ~a16~0)) (.cse24 (= 7 ~a12~0)) (.cse13 (+ |old(~a18~0)| 87))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse1) (and .cse5 .cse6 (not (= ~a12~0 8))) (and .cse0 .cse7 .cse8) (and .cse9 .cse10 .cse11) (not (= 3 |old(~a15~0)|)) (and .cse12 .cse10) (< .cse13 0) (and .cse0 .cse2 .cse14) (and .cse9 .cse15 .cse16 (= |old(~a12~0)| ~a12~0)) (and (and .cse17 .cse12) .cse8) (and .cse8 .cse7 .cse14) (and (and .cse18 .cse19 .cse6) .cse14) (and .cse18 (and .cse20 .cse21)) (and .cse4 .cse11) (and .cse16 .cse22 .cse15) (and .cse18 .cse15 .cse11) (and .cse0 .cse1 (<= (+ ~a18~0 388559) 0) .cse2) (and .cse4 .cse22) (and (and (and .cse23 .cse20) .cse24) .cse3) (not (= 5 |old(~a12~0)|)) (and .cse2 .cse25) (and .cse4 .cse12 .cse0) (and .cse2 .cse19 .cse14) (and (and .cse5 .cse17) (exists ((v_prenex_4 Int)) (let ((.cse26 (* 5 (div (* 10 v_prenex_4) (- 5))))) (and (<= 0 .cse26) (<= (+ v_prenex_4 79) 0) (<= (div .cse26 5) ~a18~0))))) (and .cse8 .cse25) (and .cse4 .cse24) (< 0 .cse13))))) [2018-12-09 07:49:58,094 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-09 07:49:58,098 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-09 07:49:58,099 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-09 07:49:58,099 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-09 07:49:58,104 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-09 07:49:58,104 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-09 07:49:58,104 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-09 07:49:58,106 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 09.12 07:49:58 BoogieIcfgContainer [2018-12-09 07:49:58,106 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-09 07:49:58,107 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 07:49:58,107 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 07:49:58,107 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 07:49:58,107 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 07:43:45" (3/4) ... [2018-12-09 07:49:58,109 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 07:49:58,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-09 07:49:58,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-09 07:49:58,113 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-09 07:49:58,114 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-09 07:49:58,124 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-09 07:49:58,125 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-09 07:49:58,146 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((((((!(11 == \old(a16)) || (((4 == a15 && 5 == a12) && 9 == a16) && 0 < a18 + 156)) || (8 == a16 && 5 == a12)) || ((a16 == 8 && !(a15 == 4)) && !(a12 == 8))) || ((4 == a15 && a12 <= 7) && a16 == 10)) || ((\old(a18) <= a18 && (((a16 == 11 && a15 == 3) && a12 % 2 == 0) || ((a16 == 11 && a15 == 3) && a18 + 87 == 0))) && a12 == 6)) || !(3 == \old(a15))) || (8 == a12 && (((a16 == 11 && a15 == 3) && a12 % 2 == 0) || ((a16 == 11 && a15 == 3) && a18 + 87 == 0)))) || \old(a18) + 87 < 0) || ((4 == a15 && 9 == a16) && 6 <= a12)) || (((\old(a18) <= a18 && \old(a15) == a15) && a16 == \old(a16)) && \old(a12) == a12)) || ((((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && 8 == a12) && a16 == 10)) || ((a16 == 10 && a12 <= 7) && 6 <= a12)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || (12 <= a16 && a15 == 3 && a12 == 5)) || (8 == a16 && a12 == 6)) || ((a16 == \old(a16) && a12 == 9) && \old(a15) == a15)) || ((12 <= a16 && \old(a15) == a15) && a12 == 6)) || (((4 == a15 && 5 == a12) && a18 + 388559 <= 0) && 9 == a16)) || (8 == a16 && a12 == 9)) || (((a16 == 11 && a15 == 3) && 7 == a12) && 0 < a18 + 156)) || !(5 == \old(a12))) || (9 == a16 && (((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && \old(a12) <= 5)) || ((8 == a16 && 8 == a12) && 4 == a15)) || ((9 == a16 && !(a12 == 6)) && 6 <= a12)) || ((a16 == 8 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && (\exists v_prenex_4 : int :: (0 <= 5 * (10 * v_prenex_4 / -5) && v_prenex_4 + 79 <= 0) && 5 * (10 * v_prenex_4 / -5) / 5 <= a18))) || (a16 == 10 && (((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && \old(a12) <= 5)) || (8 == a16 && 7 == a12)) || 0 < \old(a18) + 87 [2018-12-09 07:49:58,254 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f030a423-7cca-4abb-b825-e67f8d376f32/bin-2019/utaipan/witness.graphml [2018-12-09 07:49:58,254 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 07:49:58,255 INFO L168 Benchmark]: Toolchain (without parser) took 374723.05 ms. Allocated memory was 1.0 GB in the beginning and 5.5 GB in the end (delta: 4.4 GB). Free memory was 944.3 MB in the beginning and 1.6 GB in the end (delta: -651.6 MB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2018-12-09 07:49:58,255 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 07:49:58,256 INFO L168 Benchmark]: CACSL2BoogieTranslator took 625.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -120.4 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. [2018-12-09 07:49:58,256 INFO L168 Benchmark]: Boogie Procedure Inliner took 23.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-09 07:49:58,256 INFO L168 Benchmark]: Boogie Preprocessor took 59.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-09 07:49:58,256 INFO L168 Benchmark]: RCFGBuilder took 1382.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -4.8 MB). Peak memory consumption was 235.1 MB. Max. memory is 11.5 GB. [2018-12-09 07:49:58,256 INFO L168 Benchmark]: TraceAbstraction took 372481.82 ms. Allocated memory was 1.1 GB in the beginning and 5.5 GB in the end (delta: 4.3 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -618.3 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. [2018-12-09 07:49:58,257 INFO L168 Benchmark]: Witness Printer took 147.51 ms. Allocated memory is still 5.5 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 81.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 11.5 GB. [2018-12-09 07:49:58,259 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 625.10 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 100.7 MB). Free memory was 944.3 MB in the beginning and 1.1 GB in the end (delta: -120.4 MB). Peak memory consumption was 68.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 23.93 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.78 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1382.09 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -4.8 MB). Peak memory consumption was 235.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 372481.82 ms. Allocated memory was 1.1 GB in the beginning and 5.5 GB in the end (delta: 4.3 GB). Free memory was 1.1 GB in the beginning and 1.7 GB in the end (delta: -618.3 MB). Peak memory consumption was 4.4 GB. Max. memory is 11.5 GB. * Witness Printer took 147.51 ms. Allocated memory is still 5.5 GB. Free memory was 1.7 GB in the beginning and 1.6 GB in the end (delta: 81.1 MB). Peak memory consumption was 81.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 124]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant [2018-12-09 07:49:58,262 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-09 07:49:58,262 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-09 07:49:58,262 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-09 07:49:58,263 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-09 07:49:58,263 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] [2018-12-09 07:49:58,263 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_4,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((((((!(11 == \old(a16)) || (((4 == a15 && 5 == a12) && 9 == a16) && 0 < a18 + 156)) || (8 == a16 && 5 == a12)) || ((a16 == 8 && !(a15 == 4)) && !(a12 == 8))) || ((4 == a15 && a12 <= 7) && a16 == 10)) || ((\old(a18) <= a18 && (((a16 == 11 && a15 == 3) && a12 % 2 == 0) || ((a16 == 11 && a15 == 3) && a18 + 87 == 0))) && a12 == 6)) || !(3 == \old(a15))) || (8 == a12 && (((a16 == 11 && a15 == 3) && a12 % 2 == 0) || ((a16 == 11 && a15 == 3) && a18 + 87 == 0)))) || \old(a18) + 87 < 0) || ((4 == a15 && 9 == a16) && 6 <= a12)) || (((\old(a18) <= a18 && \old(a15) == a15) && a16 == \old(a16)) && \old(a12) == a12)) || ((((!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && 8 == a12) && a16 == 10)) || ((a16 == 10 && a12 <= 7) && 6 <= a12)) || (((12 <= a16 && !(a12 == 6)) && !(a15 == 4)) && 6 <= a12)) || (12 <= a16 && a15 == 3 && a12 == 5)) || (8 == a16 && a12 == 6)) || ((a16 == \old(a16) && a12 == 9) && \old(a15) == a15)) || ((12 <= a16 && \old(a15) == a15) && a12 == 6)) || (((4 == a15 && 5 == a12) && a18 + 388559 <= 0) && 9 == a16)) || (8 == a16 && a12 == 9)) || (((a16 == 11 && a15 == 3) && 7 == a12) && 0 < a18 + 156)) || !(5 == \old(a12))) || (9 == a16 && (((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && \old(a12) <= 5)) || ((8 == a16 && 8 == a12) && 4 == a15)) || ((9 == a16 && !(a12 == 6)) && 6 <= a12)) || ((a16 == 8 && (!(a12 == 6) && !(a15 == 4)) && !(a16 == 12)) && (\exists v_prenex_4 : int :: (0 <= 5 * (10 * v_prenex_4 / -5) && v_prenex_4 + 79 <= 0) && 5 * (10 * v_prenex_4 / -5) / 5 <= a18))) || (a16 == 10 && (((!(a16 == 0) && a15 == 3) && !(a16 == 12)) && a12 == 5) && \old(a12) <= 5)) || (8 == a16 && 7 == a12)) || 0 < \old(a18) + 87 - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 372.4s OverallTime, 21 OverallIterations, 13 TraceHistogramMax, 290.5s AutomataDifference, 0.0s DeadEndRemovalTime, 14.7s HoareAnnotationTime, HoareTripleCheckerStatistics: 3426 SDtfs, 44978 SDslu, 4722 SDs, 0 SdLazy, 114413 SolverSat, 8716 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 248.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 33278 GetRequests, 32692 SyntacticMatches, 42 SemanticMatches, 544 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10124 ImplicationChecksByTransitivity, 16.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=17247occurred in iteration=12, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 17.3s AbstIntTime, 15 AbstIntIterations, 4 AbstIntStrong, 0.9980438793172353 AbsIntWeakeningRatio, 0.062135922330097085 AbsIntAvgWeakeningVarsNumRemoved, 15.77621359223301 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.8s AutomataMinimizationTime, 21 MinimizatonAttempts, 7176 StatesRemovedByMinimization, 15 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 2011 PreInvPairs, 2278 NumberOfFragments, 3336 HoareAnnotationTreeSize, 2011 FomulaSimplifications, 351643 FormulaSimplificationTreeSizeReduction, 1.5s HoareSimplificationTime, 9 FomulaSimplificationsInter, 126677 FormulaSimplificationTreeSizeReductionInter, 13.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.8s SatisfiabilityAnalysisTime, 21.9s InterpolantComputationTime, 35232 NumberOfCodeBlocks, 35232 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 50413 ConstructedInterpolants, 6 QuantifiedInterpolants, 286842493 SizeOfPredicates, 11 NumberOfNonLiveVariables, 19738 ConjunctsInSsa, 68 ConjunctsInUnsatCore, 43 InterpolantComputations, 10 PerfectInterpolantSequences, 132824/150802 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...