./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label26_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_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label26_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/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 848d030cccdff5a4ae4d83a1350fa05a55064ab8 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-03 07:41:54,247 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 07:41:54,248 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 07:41:54,257 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 07:41:54,257 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 07:41:54,257 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 07:41:54,258 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 07:41:54,259 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 07:41:54,259 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 07:41:54,260 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 07:41:54,260 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 07:41:54,260 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 07:41:54,261 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 07:41:54,261 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 07:41:54,262 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 07:41:54,262 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 07:41:54,263 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 07:41:54,264 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 07:41:54,265 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 07:41:54,265 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 07:41:54,266 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 07:41:54,267 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 07:41:54,268 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 07:41:54,269 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 07:41:54,269 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 07:41:54,269 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 07:41:54,270 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 07:41:54,270 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 07:41:54,271 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 07:41:54,271 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 07:41:54,271 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 07:41:54,271 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 07:41:54,272 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 07:41:54,272 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 07:41:54,272 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 07:41:54,272 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 07:41:54,273 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 07:41:54,282 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 07:41:54,283 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 07:41:54,283 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 07:41:54,283 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 07:41:54,284 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 07:41:54,284 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 07:41:54,284 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 07:41:54,284 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 07:41:54,284 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 07:41:54,284 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 07:41:54,285 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 07:41:54,285 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 07:41:54,285 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 07:41:54,286 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 07:41:54,286 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 07:41:54,286 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 07:41:54,286 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 07:41:54,286 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 07:41:54,286 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 07:41:54,286 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 07:41:54,287 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 07:41:54,287 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 07:41:54,287 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 07:41:54,287 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 07:41:54,287 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 07:41:54,287 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 07:41:54,288 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 07:41:54,288 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 07:41:54,288 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 07:41:54,288 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 07:41:54,288 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 07:41:54,288 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 07:41:54,288 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 07:41:54,289 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 07:41:54,289 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 07:41:54,289 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 07:41:54,289 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_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/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 -> 848d030cccdff5a4ae4d83a1350fa05a55064ab8 [2018-12-03 07:41:54,313 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 07:41:54,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 07:41:54,322 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 07:41:54,323 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 07:41:54,323 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 07:41:54,324 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem11_label26_true-unreach-call.c [2018-12-03 07:41:54,359 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/data/8b252f4d8/0fe62cd8de6a42bc88384094c04b8db9/FLAG0f65296d5 [2018-12-03 07:41:54,872 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 07:41:54,873 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/sv-benchmarks/c/eca-rers2012/Problem11_label26_true-unreach-call.c [2018-12-03 07:41:54,881 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/data/8b252f4d8/0fe62cd8de6a42bc88384094c04b8db9/FLAG0f65296d5 [2018-12-03 07:41:55,202 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/data/8b252f4d8/0fe62cd8de6a42bc88384094c04b8db9 [2018-12-03 07:41:55,208 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 07:41:55,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 07:41:55,213 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 07:41:55,213 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 07:41:55,220 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 07:41:55,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:41:55" (1/1) ... [2018-12-03 07:41:55,227 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:41:55, skipping insertion in model container [2018-12-03 07:41:55,227 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 07:41:55" (1/1) ... [2018-12-03 07:41:55,244 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 07:41:55,291 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 07:41:55,527 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:41:55,530 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 07:41:55,669 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 07:41:55,678 INFO L195 MainTranslator]: Completed translation [2018-12-03 07:41:55,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:41:55 WrapperNode [2018-12-03 07:41:55,679 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 07:41:55,679 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 07:41:55,679 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 07:41:55,679 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 07:41:55,684 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:41:55" (1/1) ... [2018-12-03 07:41:55,698 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:41:55" (1/1) ... [2018-12-03 07:41:55,703 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 07:41:55,703 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 07:41:55,703 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 07:41:55,703 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 07:41:55,710 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:41:55" (1/1) ... [2018-12-03 07:41:55,710 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:41:55" (1/1) ... [2018-12-03 07:41:55,714 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:41:55" (1/1) ... [2018-12-03 07:41:55,714 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:41:55" (1/1) ... [2018-12-03 07:41:55,738 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:41:55" (1/1) ... [2018-12-03 07:41:55,745 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:41:55" (1/1) ... [2018-12-03 07:41:55,750 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:41:55" (1/1) ... [2018-12-03 07:41:55,756 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 07:41:55,756 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 07:41:55,756 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 07:41:55,757 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 07:41:55,757 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:41:55" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 07:41:55,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 07:41:55,791 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 07:41:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 07:41:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 07:41:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 07:41:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 07:41:55,792 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 07:41:55,792 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 07:41:56,691 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 07:41:56,691 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 07:41:56,691 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:41:56 BoogieIcfgContainer [2018-12-03 07:41:56,692 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 07:41:56,692 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 07:41:56,692 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 07:41:56,695 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 07:41:56,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 07:41:55" (1/3) ... [2018-12-03 07:41:56,696 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b7f800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:41:56, skipping insertion in model container [2018-12-03 07:41:56,696 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 07:41:55" (2/3) ... [2018-12-03 07:41:56,697 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@73b7f800 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 07:41:56, skipping insertion in model container [2018-12-03 07:41:56,697 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:41:56" (3/3) ... [2018-12-03 07:41:56,698 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem11_label26_true-unreach-call.c [2018-12-03 07:41:56,706 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 07:41:56,713 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 07:41:56,727 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 07:41:56,755 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 07:41:56,755 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 07:41:56,756 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 07:41:56,756 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 07:41:56,756 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 07:41:56,756 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 07:41:56,756 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 07:41:56,756 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 07:41:56,776 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states. [2018-12-03 07:41:56,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-12-03 07:41:56,783 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:41:56,783 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] [2018-12-03 07:41:56,785 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:41:56,790 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:41:56,791 INFO L82 PathProgramCache]: Analyzing trace with hash -2020342670, now seen corresponding path program 1 times [2018-12-03 07:41:56,793 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:41:56,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:41:56,825 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:41:56,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:41:56,825 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:41:56,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:41:56,964 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:41:56,965 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:41:56,966 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 07:41:56,966 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:41:56,969 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 07:41:56,977 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 07:41:56,977 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:41:56,979 INFO L87 Difference]: Start difference. First operand 292 states. Second operand 3 states. [2018-12-03 07:41:57,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:41:57,652 INFO L93 Difference]: Finished difference Result 779 states and 1369 transitions. [2018-12-03 07:41:57,652 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:41:57,653 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-12-03 07:41:57,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:41:57,661 INFO L225 Difference]: With dead ends: 779 [2018-12-03 07:41:57,662 INFO L226 Difference]: Without dead ends: 425 [2018-12-03 07:41:57,665 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:41:57,679 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2018-12-03 07:41:57,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 420. [2018-12-03 07:41:57,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 420 states. [2018-12-03 07:41:57,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 420 states and 672 transitions. [2018-12-03 07:41:57,718 INFO L78 Accepts]: Start accepts. Automaton has 420 states and 672 transitions. Word has length 45 [2018-12-03 07:41:57,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:41:57,718 INFO L480 AbstractCegarLoop]: Abstraction has 420 states and 672 transitions. [2018-12-03 07:41:57,718 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 07:41:57,718 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 672 transitions. [2018-12-03 07:41:57,722 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-03 07:41:57,722 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:41:57,722 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] [2018-12-03 07:41:57,722 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:41:57,723 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:41:57,723 INFO L82 PathProgramCache]: Analyzing trace with hash 1793518198, now seen corresponding path program 1 times [2018-12-03 07:41:57,723 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:41:57,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:41:57,724 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:41:57,724 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:41:57,724 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:41:57,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:41:57,909 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:41:57,909 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:41:57,909 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-12-03 07:41:57,910 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:41:57,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-12-03 07:41:57,911 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-12-03 07:41:57,911 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2018-12-03 07:41:57,911 INFO L87 Difference]: Start difference. First operand 420 states and 672 transitions. Second operand 7 states. [2018-12-03 07:41:59,259 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:41:59,260 INFO L93 Difference]: Finished difference Result 1265 states and 2066 transitions. [2018-12-03 07:41:59,260 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 07:41:59,260 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 119 [2018-12-03 07:41:59,260 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:41:59,265 INFO L225 Difference]: With dead ends: 1265 [2018-12-03 07:41:59,265 INFO L226 Difference]: Without dead ends: 851 [2018-12-03 07:41:59,266 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2018-12-03 07:41:59,267 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 851 states. [2018-12-03 07:41:59,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 851 to 616. [2018-12-03 07:41:59,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 616 states. [2018-12-03 07:41:59,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 616 states to 616 states and 883 transitions. [2018-12-03 07:41:59,293 INFO L78 Accepts]: Start accepts. Automaton has 616 states and 883 transitions. Word has length 119 [2018-12-03 07:41:59,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:41:59,293 INFO L480 AbstractCegarLoop]: Abstraction has 616 states and 883 transitions. [2018-12-03 07:41:59,293 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-12-03 07:41:59,293 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 883 transitions. [2018-12-03 07:41:59,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-03 07:41:59,296 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:41:59,297 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:41:59,297 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:41:59,297 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:41:59,297 INFO L82 PathProgramCache]: Analyzing trace with hash 1331742614, now seen corresponding path program 1 times [2018-12-03 07:41:59,297 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:41:59,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:41:59,298 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:41:59,298 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:41:59,298 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:41:59,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:41:59,433 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 76 proven. 68 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-03 07:41:59,433 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:41:59,433 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:41:59,434 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 192 with the following transitions: [2018-12-03 07:41:59,435 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [506], [507], [511], [514], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-03 07:41:59,464 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:41:59,464 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:41:59,738 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 07:41:59,739 INFO L272 AbstractInterpreter]: Visited 79 different actions 79 times. Never merged. Never widened. Performed 839 root evaluator evaluations with a maximum evaluation depth of 14. Performed 839 inverse root evaluator evaluations with a maximum inverse evaluation depth of 14. Never found a fixpoint. Largest state had 28 variables. [2018-12-03 07:41:59,744 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:41:59,744 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 07:41:59,986 INFO L227 lantSequenceWeakener]: Weakened 182 states. On average, predicates are now at 73.5% of their original sizes. [2018-12-03 07:41:59,987 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 07:42:00,002 INFO L418 sIntCurrentIteration]: We unified 190 AI predicates to 190 [2018-12-03 07:42:00,002 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 07:42:00,002 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 07:42:00,003 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-03 07:42:00,003 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:42:00,003 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 07:42:00,003 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 07:42:00,003 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 07:42:00,003 INFO L87 Difference]: Start difference. First operand 616 states and 883 transitions. Second operand 6 states. [2018-12-03 07:42:08,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:42:08,849 INFO L93 Difference]: Finished difference Result 1416 states and 1966 transitions. [2018-12-03 07:42:08,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 07:42:08,849 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 191 [2018-12-03 07:42:08,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:42:08,851 INFO L225 Difference]: With dead ends: 1416 [2018-12-03 07:42:08,851 INFO L226 Difference]: Without dead ends: 806 [2018-12-03 07:42:08,852 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 191 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 07:42:08,853 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2018-12-03 07:42:08,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 805. [2018-12-03 07:42:08,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 805 states. [2018-12-03 07:42:08,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 805 states to 805 states and 1080 transitions. [2018-12-03 07:42:08,866 INFO L78 Accepts]: Start accepts. Automaton has 805 states and 1080 transitions. Word has length 191 [2018-12-03 07:42:08,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:42:08,866 INFO L480 AbstractCegarLoop]: Abstraction has 805 states and 1080 transitions. [2018-12-03 07:42:08,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 07:42:08,866 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1080 transitions. [2018-12-03 07:42:08,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-12-03 07:42:08,870 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:42:08,870 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:42:08,870 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:42:08,870 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:42:08,871 INFO L82 PathProgramCache]: Analyzing trace with hash -373682948, now seen corresponding path program 1 times [2018-12-03 07:42:08,871 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:42:08,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:42:08,871 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:42:08,871 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:42:08,871 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:42:08,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:42:09,086 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 80 proven. 70 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:42:09,086 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:42:09,087 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:42:09,087 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 236 with the following transitions: [2018-12-03 07:42:09,087 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-03 07:42:09,091 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:42:09,091 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:42:09,556 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 07:42:09,556 INFO L272 AbstractInterpreter]: Visited 125 different actions 370 times. Merged at 6 different actions 17 times. Never widened. Performed 4925 root evaluator evaluations with a maximum evaluation depth of 16. Performed 4925 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-03 07:42:09,560 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:42:09,561 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 07:42:09,561 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:42:09,561 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 07:42:09,568 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:42:09,568 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 07:42:09,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:42:09,628 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:42:10,454 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 1344 DAG size of output: 51 [2018-12-03 07:42:10,560 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 71 proven. 79 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:42:10,560 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 07:42:10,792 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-03 07:42:10,808 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2018-12-03 07:42:10,808 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [10, 9] total 18 [2018-12-03 07:42:10,808 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:42:10,808 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 07:42:10,808 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 07:42:10,808 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2018-12-03 07:42:10,809 INFO L87 Difference]: Start difference. First operand 805 states and 1080 transitions. Second operand 3 states. [2018-12-03 07:42:11,411 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:42:11,411 INFO L93 Difference]: Finished difference Result 1802 states and 2602 transitions. [2018-12-03 07:42:11,412 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:42:11,412 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 235 [2018-12-03 07:42:11,413 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:42:11,416 INFO L225 Difference]: With dead ends: 1802 [2018-12-03 07:42:11,416 INFO L226 Difference]: Without dead ends: 1192 [2018-12-03 07:42:11,418 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 481 GetRequests, 464 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=48, Invalid=258, Unknown=0, NotChecked=0, Total=306 [2018-12-03 07:42:11,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1192 states. [2018-12-03 07:42:11,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1192 to 1192. [2018-12-03 07:42:11,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1192 states. [2018-12-03 07:42:11,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1192 states to 1192 states and 1581 transitions. [2018-12-03 07:42:11,440 INFO L78 Accepts]: Start accepts. Automaton has 1192 states and 1581 transitions. Word has length 235 [2018-12-03 07:42:11,441 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:42:11,441 INFO L480 AbstractCegarLoop]: Abstraction has 1192 states and 1581 transitions. [2018-12-03 07:42:11,441 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 07:42:11,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1581 transitions. [2018-12-03 07:42:11,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-03 07:42:11,443 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:42:11,443 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:42:11,444 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:42:11,444 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:42:11,444 INFO L82 PathProgramCache]: Analyzing trace with hash -964875181, now seen corresponding path program 1 times [2018-12-03 07:42:11,444 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:42:11,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:42:11,444 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:42:11,444 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:42:11,445 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:42:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:42:11,566 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 159 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:42:11,566 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:42:11,566 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:42:11,566 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 247 with the following transitions: [2018-12-03 07:42:11,566 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [558], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-03 07:42:11,570 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:42:11,570 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:42:11,742 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 07:42:11,742 INFO L272 AbstractInterpreter]: Visited 124 different actions 242 times. Merged at 4 different actions 4 times. Never widened. Performed 3097 root evaluator evaluations with a maximum evaluation depth of 16. Performed 3097 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-12-03 07:42:11,743 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:42:11,744 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 07:42:11,981 INFO L227 lantSequenceWeakener]: Weakened 243 states. On average, predicates are now at 75.34% of their original sizes. [2018-12-03 07:42:11,981 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 07:42:12,041 INFO L418 sIntCurrentIteration]: We unified 245 AI predicates to 245 [2018-12-03 07:42:12,042 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 07:42:12,042 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 07:42:12,042 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 07:42:12,042 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:42:12,042 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 07:42:12,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 07:42:12,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 07:42:12,042 INFO L87 Difference]: Start difference. First operand 1192 states and 1581 transitions. Second operand 10 states. [2018-12-03 07:43:03,024 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:43:03,024 INFO L93 Difference]: Finished difference Result 2762 states and 3772 transitions. [2018-12-03 07:43:03,024 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 07:43:03,024 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 246 [2018-12-03 07:43:03,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:43:03,027 INFO L225 Difference]: With dead ends: 2762 [2018-12-03 07:43:03,027 INFO L226 Difference]: Without dead ends: 1765 [2018-12-03 07:43:03,028 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 254 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-03 07:43:03,029 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1765 states. [2018-12-03 07:43:03,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1765 to 1762. [2018-12-03 07:43:03,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1762 states. [2018-12-03 07:43:03,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1762 states to 1762 states and 2227 transitions. [2018-12-03 07:43:03,047 INFO L78 Accepts]: Start accepts. Automaton has 1762 states and 2227 transitions. Word has length 246 [2018-12-03 07:43:03,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:43:03,047 INFO L480 AbstractCegarLoop]: Abstraction has 1762 states and 2227 transitions. [2018-12-03 07:43:03,047 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 07:43:03,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1762 states and 2227 transitions. [2018-12-03 07:43:03,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-12-03 07:43:03,050 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:43:03,050 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:43:03,050 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:43:03,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:43:03,051 INFO L82 PathProgramCache]: Analyzing trace with hash -821495779, now seen corresponding path program 1 times [2018-12-03 07:43:03,051 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:43:03,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:43:03,051 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:43:03,051 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:43:03,051 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:43:03,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:43:03,158 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 77 proven. 5 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-03 07:43:03,158 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:43:03,158 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:43:03,158 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 276 with the following transitions: [2018-12-03 07:43:03,158 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-03 07:43:03,162 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:43:03,162 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:43:03,343 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 07:43:03,343 INFO L272 AbstractInterpreter]: Visited 140 different actions 413 times. Merged at 6 different actions 15 times. Never widened. Performed 5761 root evaluator evaluations with a maximum evaluation depth of 13. Performed 5761 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 3 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-03 07:43:03,345 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:43:03,346 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 07:43:03,346 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:43:03,346 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 07:43:03,352 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:43:03,352 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 07:43:03,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:43:03,399 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:43:03,792 WARN L854 $PredicateComparison]: unable to prove that (or (exists ((v_~a29~0_519 Int)) (let ((.cse0 (mod v_~a29~0_519 15))) (and (<= |c_old(~a29~0)| v_~a29~0_519) (<= c_~a29~0 (+ .cse0 260)) (= .cse0 0)))) (exists ((v_prenex_81 Int)) (and (<= 0 v_prenex_81) (<= |c_old(~a29~0)| v_prenex_81) (<= c_~a29~0 (+ (mod v_prenex_81 15) 260)))) (exists ((v_prenex_82 Int)) (let ((.cse1 (mod v_prenex_82 15))) (and (<= c_~a29~0 (+ .cse1 245)) (<= |c_old(~a29~0)| v_prenex_82) (< v_prenex_82 0) (not (= .cse1 0)))))) is different from true [2018-12-03 07:43:03,849 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 77 proven. 96 refuted. 0 times theorem prover too weak. 0 trivial. 2 not checked. [2018-12-03 07:43:03,849 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 07:43:03,929 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 173 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:43:03,944 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 07:43:03,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 5] total 12 [2018-12-03 07:43:03,944 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 07:43:03,945 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 07:43:03,945 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 07:43:03,945 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=83, Unknown=1, NotChecked=18, Total=132 [2018-12-03 07:43:03,945 INFO L87 Difference]: Start difference. First operand 1762 states and 2227 transitions. Second operand 10 states. [2018-12-03 07:43:06,055 WARN L180 SmtUtils]: Spent 564.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 16 [2018-12-03 07:43:09,486 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:43:09,486 INFO L93 Difference]: Finished difference Result 5335 states and 7644 transitions. [2018-12-03 07:43:09,487 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-03 07:43:09,487 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 275 [2018-12-03 07:43:09,487 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:43:09,496 INFO L225 Difference]: With dead ends: 5335 [2018-12-03 07:43:09,497 INFO L226 Difference]: Without dead ends: 3962 [2018-12-03 07:43:09,499 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 571 GetRequests, 544 SyntacticMatches, 4 SemanticMatches, 23 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 4.0s TimeCoverageRelationStatistics Valid=152, Invalid=399, Unknown=5, NotChecked=44, Total=600 [2018-12-03 07:43:09,502 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3962 states. [2018-12-03 07:43:09,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3962 to 3911. [2018-12-03 07:43:09,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3911 states. [2018-12-03 07:43:09,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3911 states to 3911 states and 5406 transitions. [2018-12-03 07:43:09,558 INFO L78 Accepts]: Start accepts. Automaton has 3911 states and 5406 transitions. Word has length 275 [2018-12-03 07:43:09,559 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:43:09,559 INFO L480 AbstractCegarLoop]: Abstraction has 3911 states and 5406 transitions. [2018-12-03 07:43:09,559 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 07:43:09,559 INFO L276 IsEmpty]: Start isEmpty. Operand 3911 states and 5406 transitions. [2018-12-03 07:43:09,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-12-03 07:43:09,561 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:43:09,562 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:43:09,562 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:43:09,562 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:43:09,562 INFO L82 PathProgramCache]: Analyzing trace with hash 1639629672, now seen corresponding path program 1 times [2018-12-03 07:43:09,562 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:43:09,562 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:43:09,563 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:43:09,563 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:43:09,563 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:43:09,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:43:09,670 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 173 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 07:43:09,670 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:43:09,670 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:43:09,670 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 292 with the following transitions: [2018-12-03 07:43:09,670 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [869], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-03 07:43:09,673 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:43:09,673 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:43:09,775 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 07:43:09,775 INFO L272 AbstractInterpreter]: Visited 155 different actions 304 times. Merged at 4 different actions 4 times. Never widened. Performed 4022 root evaluator evaluations with a maximum evaluation depth of 8. Performed 4022 inverse root evaluator evaluations with a maximum inverse evaluation depth of 8. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-12-03 07:43:09,819 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:43:09,819 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 07:43:09,979 INFO L227 lantSequenceWeakener]: Weakened 288 states. On average, predicates are now at 75.29% of their original sizes. [2018-12-03 07:43:09,979 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 07:43:10,019 INFO L418 sIntCurrentIteration]: We unified 290 AI predicates to 290 [2018-12-03 07:43:10,019 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 07:43:10,020 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 07:43:10,020 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-12-03 07:43:10,020 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:43:10,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 07:43:10,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 07:43:10,020 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 07:43:10,021 INFO L87 Difference]: Start difference. First operand 3911 states and 5406 transitions. Second operand 10 states. [2018-12-03 07:43:41,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:43:41,533 INFO L93 Difference]: Finished difference Result 8036 states and 11560 transitions. [2018-12-03 07:43:41,533 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-03 07:43:41,533 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 291 [2018-12-03 07:43:41,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:43:41,545 INFO L225 Difference]: With dead ends: 8036 [2018-12-03 07:43:41,546 INFO L226 Difference]: Without dead ends: 5456 [2018-12-03 07:43:41,550 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 299 GetRequests, 282 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 44 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-03 07:43:41,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5456 states. [2018-12-03 07:43:41,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5456 to 5450. [2018-12-03 07:43:41,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5450 states. [2018-12-03 07:43:41,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5450 states to 5450 states and 7265 transitions. [2018-12-03 07:43:41,614 INFO L78 Accepts]: Start accepts. Automaton has 5450 states and 7265 transitions. Word has length 291 [2018-12-03 07:43:41,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:43:41,614 INFO L480 AbstractCegarLoop]: Abstraction has 5450 states and 7265 transitions. [2018-12-03 07:43:41,614 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 07:43:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 5450 states and 7265 transitions. [2018-12-03 07:43:41,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-03 07:43:41,618 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:43:41,618 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:43:41,618 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:43:41,619 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:43:41,619 INFO L82 PathProgramCache]: Analyzing trace with hash -678672080, now seen corresponding path program 1 times [2018-12-03 07:43:41,619 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:43:41,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:43:41,619 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:43:41,619 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:43:41,619 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:43:41,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:43:41,720 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 273 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-03 07:43:41,720 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:43:41,720 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:43:41,720 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 320 with the following transitions: [2018-12-03 07:43:41,720 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [558], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-03 07:43:41,722 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:43:41,722 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:43:42,049 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 07:43:42,049 INFO L272 AbstractInterpreter]: Visited 126 different actions 371 times. Merged at 6 different actions 15 times. Never widened. Performed 4955 root evaluator evaluations with a maximum evaluation depth of 18. Performed 4955 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-03 07:43:42,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:43:42,051 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 07:43:42,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:43:42,051 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 07:43:42,057 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:43:42,057 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 07:43:42,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:43:42,106 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:43:42,140 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-12-03 07:43:42,140 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 07:43:42,184 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 225 trivial. 0 not checked. [2018-12-03 07:43:42,199 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 07:43:42,199 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [6] total 7 [2018-12-03 07:43:42,199 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:43:42,200 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 07:43:42,200 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 07:43:42,200 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 07:43:42,200 INFO L87 Difference]: Start difference. First operand 5450 states and 7265 transitions. Second operand 3 states. [2018-12-03 07:43:42,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:43:42,845 INFO L93 Difference]: Finished difference Result 10518 states and 14494 transitions. [2018-12-03 07:43:42,846 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:43:42,846 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 319 [2018-12-03 07:43:42,846 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:43:42,862 INFO L225 Difference]: With dead ends: 10518 [2018-12-03 07:43:42,862 INFO L226 Difference]: Without dead ends: 6398 [2018-12-03 07:43:42,867 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 643 GetRequests, 637 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-12-03 07:43:42,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6398 states. [2018-12-03 07:43:42,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6398 to 6205. [2018-12-03 07:43:42,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6205 states. [2018-12-03 07:43:42,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6205 states to 6205 states and 8209 transitions. [2018-12-03 07:43:42,932 INFO L78 Accepts]: Start accepts. Automaton has 6205 states and 8209 transitions. Word has length 319 [2018-12-03 07:43:42,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:43:42,932 INFO L480 AbstractCegarLoop]: Abstraction has 6205 states and 8209 transitions. [2018-12-03 07:43:42,932 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 07:43:42,932 INFO L276 IsEmpty]: Start isEmpty. Operand 6205 states and 8209 transitions. [2018-12-03 07:43:42,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2018-12-03 07:43:42,936 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:43:42,936 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, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:43:42,936 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:43:42,936 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:43:42,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1188433247, now seen corresponding path program 1 times [2018-12-03 07:43:42,936 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:43:42,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:43:42,937 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:43:42,937 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:43:42,937 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:43:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:43:43,044 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 278 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-03 07:43:43,045 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:43:43,045 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:43:43,045 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 325 with the following transitions: [2018-12-03 07:43:43,045 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-03 07:43:43,046 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:43:43,047 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:43:43,374 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 07:43:43,374 INFO L272 AbstractInterpreter]: Visited 126 different actions 373 times. Merged at 6 different actions 17 times. Never widened. Performed 5048 root evaluator evaluations with a maximum evaluation depth of 18. Performed 5048 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 3 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-03 07:43:43,376 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:43:43,376 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 07:43:43,376 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:43:43,376 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 07:43:43,382 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:43:43,382 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 07:43:43,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:43:43,427 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:43:43,461 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 278 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-03 07:43:43,461 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 07:43:43,535 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 278 proven. 2 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-03 07:43:43,550 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 07:43:43,550 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 7 [2018-12-03 07:43:43,550 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 07:43:43,551 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 07:43:43,551 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 07:43:43,551 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-03 07:43:43,551 INFO L87 Difference]: Start difference. First operand 6205 states and 8209 transitions. Second operand 6 states. [2018-12-03 07:43:44,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:43:44,220 INFO L93 Difference]: Finished difference Result 11188 states and 16137 transitions. [2018-12-03 07:43:44,224 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 07:43:44,224 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 324 [2018-12-03 07:43:44,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:43:44,240 INFO L225 Difference]: With dead ends: 11188 [2018-12-03 07:43:44,240 INFO L226 Difference]: Without dead ends: 8041 [2018-12-03 07:43:44,245 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 659 GetRequests, 649 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=55, Unknown=0, NotChecked=0, Total=90 [2018-12-03 07:43:44,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8041 states. [2018-12-03 07:43:44,326 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8041 to 7605. [2018-12-03 07:43:44,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7605 states. [2018-12-03 07:43:44,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7605 states to 7605 states and 9677 transitions. [2018-12-03 07:43:44,333 INFO L78 Accepts]: Start accepts. Automaton has 7605 states and 9677 transitions. Word has length 324 [2018-12-03 07:43:44,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:43:44,333 INFO L480 AbstractCegarLoop]: Abstraction has 7605 states and 9677 transitions. [2018-12-03 07:43:44,333 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 07:43:44,334 INFO L276 IsEmpty]: Start isEmpty. Operand 7605 states and 9677 transitions. [2018-12-03 07:43:44,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-12-03 07:43:44,339 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:43:44,339 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:43:44,339 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:43:44,339 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:43:44,339 INFO L82 PathProgramCache]: Analyzing trace with hash 1196500879, now seen corresponding path program 1 times [2018-12-03 07:43:44,339 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:43:44,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:43:44,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:43:44,340 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:43:44,340 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:43:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:43:44,441 INFO L134 CoverageAnalysis]: Checked inductivity of 398 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2018-12-03 07:43:44,442 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:43:44,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 07:43:44,442 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:43:44,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 07:43:44,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 07:43:44,442 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 07:43:44,442 INFO L87 Difference]: Start difference. First operand 7605 states and 9677 transitions. Second operand 4 states. [2018-12-03 07:43:44,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:43:44,853 INFO L93 Difference]: Finished difference Result 12148 states and 15783 transitions. [2018-12-03 07:43:44,853 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:43:44,853 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 361 [2018-12-03 07:43:44,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:43:44,873 INFO L225 Difference]: With dead ends: 12148 [2018-12-03 07:43:44,873 INFO L226 Difference]: Without dead ends: 7600 [2018-12-03 07:43:44,880 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-12-03 07:43:44,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7600 states. [2018-12-03 07:43:44,965 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7600 to 7600. [2018-12-03 07:43:44,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7600 states. [2018-12-03 07:43:44,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7600 states to 7600 states and 9665 transitions. [2018-12-03 07:43:44,972 INFO L78 Accepts]: Start accepts. Automaton has 7600 states and 9665 transitions. Word has length 361 [2018-12-03 07:43:44,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:43:44,973 INFO L480 AbstractCegarLoop]: Abstraction has 7600 states and 9665 transitions. [2018-12-03 07:43:44,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 07:43:44,973 INFO L276 IsEmpty]: Start isEmpty. Operand 7600 states and 9665 transitions. [2018-12-03 07:43:44,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 385 [2018-12-03 07:43:44,978 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:43:44,978 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:43:44,978 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:43:44,978 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:43:44,978 INFO L82 PathProgramCache]: Analyzing trace with hash 1861872962, now seen corresponding path program 1 times [2018-12-03 07:43:44,978 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:43:44,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:43:44,979 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:43:44,979 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:43:44,979 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:43:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:43:45,120 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 317 proven. 2 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-03 07:43:45,120 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:43:45,120 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:43:45,121 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 385 with the following transitions: [2018-12-03 07:43:45,121 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [562], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [815], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-03 07:43:45,122 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:43:45,122 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:43:45,441 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 07:43:45,441 INFO L272 AbstractInterpreter]: Visited 146 different actions 576 times. Merged at 6 different actions 22 times. Never widened. Performed 8039 root evaluator evaluations with a maximum evaluation depth of 16. Performed 8039 inverse root evaluator evaluations with a maximum inverse evaluation depth of 16. Found 4 fixpoints after 3 different actions. Largest state had 28 variables. [2018-12-03 07:43:45,442 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:43:45,442 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 07:43:45,668 INFO L227 lantSequenceWeakener]: Weakened 381 states. On average, predicates are now at 80.3% of their original sizes. [2018-12-03 07:43:45,668 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 07:43:45,710 INFO L418 sIntCurrentIteration]: We unified 383 AI predicates to 383 [2018-12-03 07:43:45,711 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 07:43:45,711 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 07:43:45,711 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-03 07:43:45,711 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:43:45,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 07:43:45,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 07:43:45,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 07:43:45,711 INFO L87 Difference]: Start difference. First operand 7600 states and 9665 transitions. Second operand 9 states. [2018-12-03 07:44:19,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:44:19,146 INFO L93 Difference]: Finished difference Result 17287 states and 22595 transitions. [2018-12-03 07:44:19,146 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-03 07:44:19,146 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 384 [2018-12-03 07:44:19,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:44:19,160 INFO L225 Difference]: With dead ends: 17287 [2018-12-03 07:44:19,161 INFO L226 Difference]: Without dead ends: 11017 [2018-12-03 07:44:19,165 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 390 GetRequests, 376 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-03 07:44:19,171 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11017 states. [2018-12-03 07:44:19,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11017 to 10762. [2018-12-03 07:44:19,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10762 states. [2018-12-03 07:44:19,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10762 states to 10762 states and 13904 transitions. [2018-12-03 07:44:19,272 INFO L78 Accepts]: Start accepts. Automaton has 10762 states and 13904 transitions. Word has length 384 [2018-12-03 07:44:19,272 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:44:19,272 INFO L480 AbstractCegarLoop]: Abstraction has 10762 states and 13904 transitions. [2018-12-03 07:44:19,272 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 07:44:19,272 INFO L276 IsEmpty]: Start isEmpty. Operand 10762 states and 13904 transitions. [2018-12-03 07:44:19,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 414 [2018-12-03 07:44:19,279 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:44:19,279 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, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:44:19,279 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:44:19,279 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:44:19,279 INFO L82 PathProgramCache]: Analyzing trace with hash -163389013, now seen corresponding path program 1 times [2018-12-03 07:44:19,279 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:44:19,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:44:19,280 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:44:19,280 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:44:19,280 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:44:19,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:44:19,474 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 0 proven. 128 refuted. 0 times theorem prover too weak. 313 trivial. 0 not checked. [2018-12-03 07:44:19,474 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:44:19,474 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:44:19,474 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 414 with the following transitions: [2018-12-03 07:44:19,474 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [614], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [769], [772], [776], [777], [781], [785], [789], [793], [797], [808], [812], [816], [819], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-03 07:44:19,476 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:44:19,476 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:44:19,665 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 07:44:19,665 INFO L272 AbstractInterpreter]: Visited 150 different actions 447 times. Merged at 7 different actions 19 times. Never widened. Performed 6260 root evaluator evaluations with a maximum evaluation depth of 13. Performed 6260 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 5 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-03 07:44:19,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:44:19,667 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 07:44:19,667 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:44:19,668 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 07:44:19,673 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:44:19,673 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 07:44:19,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:44:19,732 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:44:19,805 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 313 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-03 07:44:19,805 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 07:44:19,950 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 313 proven. 2 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2018-12-03 07:44:19,965 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 07:44:19,965 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-12-03 07:44:19,965 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 07:44:19,965 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-03 07:44:19,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-03 07:44:19,966 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=128, Unknown=0, NotChecked=0, Total=156 [2018-12-03 07:44:19,966 INFO L87 Difference]: Start difference. First operand 10762 states and 13904 transitions. Second operand 12 states. [2018-12-03 07:44:27,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:44:27,463 INFO L93 Difference]: Finished difference Result 26003 states and 36323 transitions. [2018-12-03 07:44:27,463 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 64 states. [2018-12-03 07:44:27,463 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 413 [2018-12-03 07:44:27,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:44:27,509 INFO L225 Difference]: With dead ends: 26003 [2018-12-03 07:44:27,509 INFO L226 Difference]: Without dead ends: 18300 [2018-12-03 07:44:27,522 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 947 GetRequests, 877 SyntacticMatches, 2 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1547 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=859, Invalid=3971, Unknown=0, NotChecked=0, Total=4830 [2018-12-03 07:44:27,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18300 states. [2018-12-03 07:44:27,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18300 to 17035. [2018-12-03 07:44:27,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17035 states. [2018-12-03 07:44:27,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17035 states to 17035 states and 21542 transitions. [2018-12-03 07:44:27,738 INFO L78 Accepts]: Start accepts. Automaton has 17035 states and 21542 transitions. Word has length 413 [2018-12-03 07:44:27,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:44:27,738 INFO L480 AbstractCegarLoop]: Abstraction has 17035 states and 21542 transitions. [2018-12-03 07:44:27,738 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-03 07:44:27,738 INFO L276 IsEmpty]: Start isEmpty. Operand 17035 states and 21542 transitions. [2018-12-03 07:44:27,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 462 [2018-12-03 07:44:27,748 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:44:27,748 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:44:27,748 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:44:27,748 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:44:27,748 INFO L82 PathProgramCache]: Analyzing trace with hash 818615912, now seen corresponding path program 1 times [2018-12-03 07:44:27,748 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:44:27,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:44:27,749 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:44:27,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:44:27,749 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:44:27,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:44:28,037 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 0 proven. 129 refuted. 0 times theorem prover too weak. 320 trivial. 0 not checked. [2018-12-03 07:44:28,037 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:44:28,037 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:44:28,037 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 462 with the following transitions: [2018-12-03 07:44:28,037 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [908], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [986], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-03 07:44:28,040 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:44:28,040 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:44:28,364 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 07:44:28,364 INFO L272 AbstractInterpreter]: Visited 181 different actions 893 times. Merged at 7 different actions 30 times. Never widened. Performed 13161 root evaluator evaluations with a maximum evaluation depth of 10. Performed 13161 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 8 fixpoints after 2 different actions. Largest state had 28 variables. [2018-12-03 07:44:28,365 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:44:28,365 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 07:44:28,365 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:44:28,365 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 07:44:28,372 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:44:28,372 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 07:44:28,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:44:28,433 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:44:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 295 proven. 2 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-12-03 07:44:28,514 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 07:44:28,689 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 295 proven. 2 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-12-03 07:44:28,703 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 07:44:28,703 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 5, 5] total 13 [2018-12-03 07:44:28,703 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 07:44:28,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2018-12-03 07:44:28,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2018-12-03 07:44:28,704 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2018-12-03 07:44:28,704 INFO L87 Difference]: Start difference. First operand 17035 states and 21542 transitions. Second operand 12 states. [2018-12-03 07:44:39,504 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:44:39,504 INFO L93 Difference]: Finished difference Result 43692 states and 58113 transitions. [2018-12-03 07:44:39,505 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2018-12-03 07:44:39,505 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 461 [2018-12-03 07:44:39,505 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:44:39,562 INFO L225 Difference]: With dead ends: 43692 [2018-12-03 07:44:39,562 INFO L226 Difference]: Without dead ends: 27803 [2018-12-03 07:44:39,582 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1044 GetRequests, 972 SyntacticMatches, 4 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1570 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=746, Invalid=4084, Unknown=0, NotChecked=0, Total=4830 [2018-12-03 07:44:39,598 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27803 states. [2018-12-03 07:44:39,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27803 to 26327. [2018-12-03 07:44:39,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26327 states. [2018-12-03 07:44:39,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26327 states to 26327 states and 33046 transitions. [2018-12-03 07:44:39,872 INFO L78 Accepts]: Start accepts. Automaton has 26327 states and 33046 transitions. Word has length 461 [2018-12-03 07:44:39,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:44:39,873 INFO L480 AbstractCegarLoop]: Abstraction has 26327 states and 33046 transitions. [2018-12-03 07:44:39,873 INFO L481 AbstractCegarLoop]: Interpolant automaton has 12 states. [2018-12-03 07:44:39,873 INFO L276 IsEmpty]: Start isEmpty. Operand 26327 states and 33046 transitions. [2018-12-03 07:44:39,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 586 [2018-12-03 07:44:39,891 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:44:39,891 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:44:39,891 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:44:39,891 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:44:39,892 INFO L82 PathProgramCache]: Analyzing trace with hash -1460378313, now seen corresponding path program 1 times [2018-12-03 07:44:39,892 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:44:39,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:44:39,892 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:44:39,892 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:44:39,892 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:44:39,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:44:40,129 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 519 proven. 2 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2018-12-03 07:44:40,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:44:40,129 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:44:40,130 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 586 with the following transitions: [2018-12-03 07:44:40,130 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1013], [1016], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-03 07:44:40,132 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:44:40,132 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:44:40,900 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 07:44:40,900 INFO L272 AbstractInterpreter]: Visited 188 different actions 748 times. Merged at 8 different actions 30 times. Widened at 1 different actions 1 times. Performed 10778 root evaluator evaluations with a maximum evaluation depth of 18. Performed 10778 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 8 fixpoints after 4 different actions. Largest state had 28 variables. [2018-12-03 07:44:40,907 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:44:40,908 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 07:44:40,908 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:44:40,908 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 07:44:40,914 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:44:40,914 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 07:44:40,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:44:40,987 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:44:41,092 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 519 proven. 2 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2018-12-03 07:44:41,092 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 07:44:41,258 INFO L134 CoverageAnalysis]: Checked inductivity of 777 backedges. 519 proven. 2 refuted. 0 times theorem prover too weak. 256 trivial. 0 not checked. [2018-12-03 07:44:41,273 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 07:44:41,273 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-03 07:44:41,273 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 07:44:41,274 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 07:44:41,274 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 07:44:41,274 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-03 07:44:41,274 INFO L87 Difference]: Start difference. First operand 26327 states and 33046 transitions. Second operand 9 states. [2018-12-03 07:44:42,721 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:44:42,721 INFO L93 Difference]: Finished difference Result 52494 states and 66064 transitions. [2018-12-03 07:44:42,721 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 07:44:42,721 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 585 [2018-12-03 07:44:42,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:44:42,760 INFO L225 Difference]: With dead ends: 52494 [2018-12-03 07:44:42,760 INFO L226 Difference]: Without dead ends: 27503 [2018-12-03 07:44:42,785 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1187 GetRequests, 1171 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-03 07:44:42,802 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27503 states. [2018-12-03 07:44:43,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27503 to 27408. [2018-12-03 07:44:43,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27408 states. [2018-12-03 07:44:43,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27408 states to 27408 states and 33674 transitions. [2018-12-03 07:44:43,075 INFO L78 Accepts]: Start accepts. Automaton has 27408 states and 33674 transitions. Word has length 585 [2018-12-03 07:44:43,075 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:44:43,075 INFO L480 AbstractCegarLoop]: Abstraction has 27408 states and 33674 transitions. [2018-12-03 07:44:43,075 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 07:44:43,076 INFO L276 IsEmpty]: Start isEmpty. Operand 27408 states and 33674 transitions. [2018-12-03 07:44:43,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 693 [2018-12-03 07:44:43,096 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:44:43,096 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:44:43,096 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:44:43,097 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:44:43,097 INFO L82 PathProgramCache]: Analyzing trace with hash 129154542, now seen corresponding path program 1 times [2018-12-03 07:44:43,097 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:44:43,097 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:44:43,097 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:44:43,098 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:44:43,098 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:44:43,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:44:43,314 INFO L134 CoverageAnalysis]: Checked inductivity of 1209 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 1007 trivial. 0 not checked. [2018-12-03 07:44:43,314 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 07:44:43,314 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-03 07:44:43,314 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 07:44:43,315 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 07:44:43,315 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 07:44:43,315 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-03 07:44:43,315 INFO L87 Difference]: Start difference. First operand 27408 states and 33674 transitions. Second operand 3 states. [2018-12-03 07:44:44,015 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:44:44,016 INFO L93 Difference]: Finished difference Result 47379 states and 58964 transitions. [2018-12-03 07:44:44,016 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 07:44:44,016 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 692 [2018-12-03 07:44:44,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:44:44,058 INFO L225 Difference]: With dead ends: 47379 [2018-12-03 07:44:44,059 INFO L226 Difference]: Without dead ends: 30443 [2018-12-03 07:44:44,077 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 [2018-12-03 07:44:44,095 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30443 states. [2018-12-03 07:44:44,391 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30443 to 30255. [2018-12-03 07:44:44,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30255 states. [2018-12-03 07:44:44,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30255 states to 30255 states and 36605 transitions. [2018-12-03 07:44:44,419 INFO L78 Accepts]: Start accepts. Automaton has 30255 states and 36605 transitions. Word has length 692 [2018-12-03 07:44:44,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:44:44,419 INFO L480 AbstractCegarLoop]: Abstraction has 30255 states and 36605 transitions. [2018-12-03 07:44:44,419 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 07:44:44,419 INFO L276 IsEmpty]: Start isEmpty. Operand 30255 states and 36605 transitions. [2018-12-03 07:44:44,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2018-12-03 07:44:44,444 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 07:44:44,444 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 07:44:44,444 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 07:44:44,445 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:44:44,445 INFO L82 PathProgramCache]: Analyzing trace with hash 1645115303, now seen corresponding path program 1 times [2018-12-03 07:44:44,445 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 07:44:44,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:44:44,445 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:44:44,445 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 07:44:44,445 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 07:44:44,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:44:44,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 543 proven. 195 refuted. 0 times theorem prover too weak. 918 trivial. 0 not checked. [2018-12-03 07:44:44,702 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:44:44,702 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 07:44:44,702 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 760 with the following transitions: [2018-12-03 07:44:44,703 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [269], [271], [274], [282], [290], [298], [306], [314], [322], [330], [338], [346], [354], [362], [370], [378], [386], [394], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [578], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [626], [630], [634], [638], [642], [646], [650], [653], [654], [658], [662], [666], [677], [688], [692], [696], [707], [710], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [762], [766], [777], [781], [785], [789], [793], [797], [808], [812], [816], [820], [824], [828], [832], [843], [847], [851], [862], [866], [870], [874], [878], [881], [886], [888], [889], [893], [897], [901], [905], [909], [913], [924], [928], [932], [936], [940], [944], [948], [952], [956], [960], [971], [975], [979], [983], [987], [991], [1002], [1005], [1008], [1012], [1084], [1088], [1097], [1101], [1103], [1108], [1109], [1110], [1112], [1113] [2018-12-03 07:44:44,705 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 07:44:44,705 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 07:44:45,389 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 07:44:45,389 INFO L272 AbstractInterpreter]: Visited 191 different actions 755 times. Merged at 10 different actions 31 times. Widened at 1 different actions 1 times. Performed 10988 root evaluator evaluations with a maximum evaluation depth of 18. Performed 10988 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 10 fixpoints after 4 different actions. Largest state had 28 variables. [2018-12-03 07:44:45,391 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 07:44:45,392 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 07:44:45,392 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 07:44:45,392 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/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 [2018-12-03 07:44:45,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 07:44:45,398 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 07:44:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 07:44:45,500 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 07:44:45,897 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 1024 proven. 4 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2018-12-03 07:44:45,897 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 07:44:47,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1656 backedges. 1024 proven. 4 refuted. 0 times theorem prover too weak. 628 trivial. 0 not checked. [2018-12-03 07:44:47,353 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 07:44:47,354 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 6] total 13 [2018-12-03 07:44:47,354 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 07:44:47,354 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 07:44:47,355 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 07:44:47,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2018-12-03 07:44:47,355 INFO L87 Difference]: Start difference. First operand 30255 states and 36605 transitions. Second operand 9 states. [2018-12-03 07:52:16,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 07:52:16,272 INFO L93 Difference]: Finished difference Result 58978 states and 71008 transitions. [2018-12-03 07:52:16,273 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 38 states. [2018-12-03 07:52:16,273 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 759 [2018-12-03 07:52:16,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 07:52:16,273 INFO L225 Difference]: With dead ends: 58978 [2018-12-03 07:52:16,273 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 07:52:16,303 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1586 GetRequests, 1541 SyntacticMatches, 2 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 513 ImplicationChecksByTransitivity, 13.4s TimeCoverageRelationStatistics Valid=375, Invalid=1605, Unknown=0, NotChecked=0, Total=1980 [2018-12-03 07:52:16,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 07:52:16,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 07:52:16,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 07:52:16,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 07:52:16,303 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 759 [2018-12-03 07:52:16,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 07:52:16,304 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 07:52:16,304 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 07:52:16,304 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 07:52:16,304 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 07:52:16,306 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 07:52:16,477 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,544 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,548 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,553 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,555 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,557 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,573 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,577 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,585 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,589 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,597 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,599 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,600 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,626 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,632 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,643 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,678 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,797 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,802 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,850 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,894 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,901 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,967 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,979 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,988 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:16,989 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,005 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,012 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,018 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,019 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,020 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,022 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,032 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,040 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,049 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,050 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,058 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,077 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,079 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,085 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,086 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,092 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,106 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,114 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,166 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,177 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,201 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,204 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,207 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,210 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,228 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,253 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,260 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,283 WARN L180 SmtUtils]: Spent 751.00 ms on a formula simplification. DAG size of input: 738 DAG size of output: 462 [2018-12-03 07:52:17,296 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,297 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,300 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,303 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,305 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,306 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,307 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,308 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,311 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,312 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,322 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,323 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,324 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,331 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,363 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,375 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,400 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,416 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,443 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,448 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,471 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,479 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,483 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,529 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,535 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,549 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,580 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,586 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,638 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,650 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,672 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,673 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,675 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,681 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,686 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,698 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,721 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,730 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,743 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,745 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,762 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,768 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,769 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,799 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,811 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,820 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,840 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,844 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,847 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,849 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,861 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,863 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,883 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,889 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,892 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 07:52:17,914 WARN L180 SmtUtils]: Spent 629.00 ms on a formula simplification. DAG size of input: 693 DAG size of output: 405 [2018-12-03 07:52:19,811 WARN L180 SmtUtils]: Spent 1.80 s on a formula simplification. DAG size of input: 516 DAG size of output: 90 [2018-12-03 07:52:22,341 WARN L180 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 440 DAG size of output: 77 [2018-12-03 07:52:23,740 WARN L180 SmtUtils]: Spent 1.40 s on a formula simplification. DAG size of input: 387 DAG size of output: 81 [2018-12-03 07:52:23,742 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a29~0 |old(~a29~0)|) (= ~a23~0 |old(~a23~0)|) (= |old(~a25~0)| ~a25~0) (= ~a4~0 |old(~a4~0)|)) [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L168(line 168) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L102(line 102) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L36(line 36) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L566(lines 566 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L170-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L104-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L38-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L963(lines 963 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L171(line 171) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 123) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L105(line 105) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L39(line 39) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L898(lines 898 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L436(lines 436 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L370(lines 370 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,743 INFO L448 ceAbstractionStarter]: For program point L635(lines 635 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L173-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L107-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L41-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L174(line 174) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L108(line 108) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L42(line 42) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L836(lines 836 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L572(lines 572 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L176-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L110-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L44-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L969(lines 969 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L903(lines 903 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L507(lines 507 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L177(line 177) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L111(line 111) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L45(line 45) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L970(lines 970 980) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L904(lines 904 914) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L970-2(lines 970 980) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L904-2(lines 904 914) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,744 INFO L448 ceAbstractionStarter]: For program point L310(lines 310 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L575(lines 575 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L179-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L113-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L47-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L774(lines 774 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L642(lines 642 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L180(line 180) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L114(line 114) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L48(line 48) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L841(lines 841 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L182-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L116-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L50-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L183(line 183) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L117(line 117) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L51(line 51) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L514(lines 514 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L647(lines 647 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,745 INFO L448 ceAbstractionStarter]: For program point L581(lines 581 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 525) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L515-2(lines 515 525) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L185-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L119-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L53-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L780(lines 780 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 657) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L648-2(lines 648 657) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L450(lines 450 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L186(line 186) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L120(line 120) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L54(line 54) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L254(lines 254 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L188-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L122-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L56-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L981(lines 981 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L915(lines 915 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L189(line 189) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L123(line 123) no Hoare annotation was computed. [2018-12-03 07:52:23,746 INFO L448 ceAbstractionStarter]: For program point L57(line 57) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L916(lines 916 926) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L916-2(lines 916 926) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 730) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L718-2(lines 718 730) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L586(lines 586 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L322(lines 322 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L587(lines 587 597) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L587-2(lines 587 597) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L191-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L125-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L59-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L852(lines 852 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 22 1026) the Hoare annotation is: (let ((.cse7 (= ~a29~0 |old(~a29~0)|)) (.cse9 (= ~a4~0 |old(~a4~0)|))) (let ((.cse2 (< 12 |old(~a25~0)|)) (.cse5 (< 274 |old(~a29~0)|)) (.cse4 (not (= 1 |old(~a4~0)|))) (.cse3 (< |old(~a25~0)| 12)) (.cse0 (not (= 15 ~a8~0))) (.cse1 (and .cse7 (= ~a23~0 |old(~a23~0)|) (= |old(~a25~0)| ~a25~0) .cse9))) (and (or (= |calculate_output_#in~input| 0) (not (= 12 |old(~a25~0)|)) .cse0 (not (= 1 ~a3~0)) .cse1) (or (< 140 |old(~a29~0)|) .cse0 .cse1 .cse2) (or .cse3 (< |old(~a29~0)| 141) .cse0 .cse4 .cse5 .cse1) (or .cse0 (= 11 |old(~a25~0)|) .cse4 .cse2 .cse1) (or .cse0 .cse2 (<= |old(~a29~0)| 245) .cse1) (let ((.cse6 (+ |old(~a23~0)| 599908))) (or (< .cse6 0) .cse3 .cse0 (let ((.cse8 (+ ~a23~0 599908))) (and .cse7 (<= .cse8 0) (<= |old(~a25~0)| ~a25~0) (<= 0 .cse8) (<= ~a25~0 |old(~a25~0)|) .cse9)) (< |old(~a29~0)| 130) .cse4 .cse5 (< 0 .cse6))) (or .cse1 (or .cse0 (<= |old(~a23~0)| 138) .cse4)) (or .cse3 .cse0 .cse1 (forall ((v_~a23~0_569 Int)) (let ((.cse10 (mod v_~a23~0_569 90))) (or (< (+ |old(~a23~0)| 43) .cse10) (< 0 (+ v_~a23~0_569 43)) (= .cse10 0) (<= 0 v_~a23~0_569)))))))) [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L456(lines 456 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L192(line 192) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L126(line 126) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L60(line 60) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L787(lines 787 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L260(lines 260 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,747 INFO L448 ceAbstractionStarter]: For program point L194-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L128-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L62-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L195(line 195) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L129(line 129) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L63(line 63) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L988(lines 988 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L658(lines 658 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L526(lines 526 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L197-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L131-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L65-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L792(lines 792 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L198(line 198) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L132(line 132) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L66(line 66) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L200-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L134-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L68-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L927(lines 927 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,748 INFO L448 ceAbstractionStarter]: For program point L663(lines 663 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L531(lines 531 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L399(lines 399 410) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L399-2(lines 399 410) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L201(line 201) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L135(line 135) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L69(line 69) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L598(lines 598 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L334(lines 334 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L731(lines 731 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L203-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L137-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L71-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L204(line 204) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L138(line 138) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L72(line 72) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L799(lines 799 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L932(lines 932 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L866(lines 866 875) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L866-2(lines 866 875) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L470(lines 470 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L140-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L74-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L537(lines 537 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,749 INFO L448 ceAbstractionStarter]: For program point L141(line 141) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L75(line 75) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L1000(lines 1000 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L604(lines 604 614) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L604-2(lines 604 614) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L340(lines 340 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L143-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L77-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L804(lines 804 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L738(lines 738 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L144(line 144) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L78(line 78) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L805(lines 805 815) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L805-2(lines 805 815) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L542(lines 542 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L146-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L80-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L939(lines 939 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L675(lines 675 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L477(lines 477 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L147(line 147) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L81(line 81) no Hoare annotation was computed. [2018-12-03 07:52:23,750 INFO L448 ceAbstractionStarter]: For program point L940(lines 940 952) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L940-2(lines 940 952) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 486) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L478-2(lines 478 486) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L346(lines 346 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L743(lines 743 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L149-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L83-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L876(lines 876 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L150(line 150) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L84(line 84) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L152-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L86-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L681(lines 681 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L549(lines 549 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L153(line 153) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L87(line 87) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L1012(lines 1012 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L881(lines 881 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L287(lines 287 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,751 INFO L448 ceAbstractionStarter]: For program point L221(lines 221 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L155-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L89-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L23(lines 23 25) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L23-2(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L816(lines 816 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L750(lines 750 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L156(line 156) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L90(line 90) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L487(lines 487 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L488(lines 488 499) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L422(lines 422 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L488-2(lines 488 499) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L158-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L92-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L26-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L1017(lines 1017 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L159(line 159) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L93(line 93) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L27(line 27) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L886(lines 886 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L358(lines 358 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L953(lines 953 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,752 INFO L448 ceAbstractionStarter]: For program point L227(lines 227 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L161-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L95-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L29-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L294(lines 294 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L162(line 162) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L96(line 96) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L30(line 30) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L757(lines 757 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 768) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L758-2(lines 758 768) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L164-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L98-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L32-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L429(lines 429 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L165(line 165) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L99(line 99) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L33(line 33) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L958(lines 958 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L628(lines 628 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L893(lines 893 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,753 INFO L448 ceAbstractionStarter]: For program point L695(lines 695 705) no Hoare annotation was computed. [2018-12-03 07:52:23,754 INFO L448 ceAbstractionStarter]: For program point L695-2(lines 695 705) no Hoare annotation was computed. [2018-12-03 07:52:23,754 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,754 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,754 INFO L448 ceAbstractionStarter]: For program point L233(lines 233 1024) no Hoare annotation was computed. [2018-12-03 07:52:23,754 INFO L448 ceAbstractionStarter]: For program point L167-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,754 INFO L448 ceAbstractionStarter]: For program point L101-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,754 INFO L448 ceAbstractionStarter]: For program point L35-1(lines 22 1026) no Hoare annotation was computed. [2018-12-03 07:52:23,754 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 07:52:23,754 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a23~0 312) (= ~a8~0 15) (<= ~a29~0 130) (= 1 ~a4~0) (<= 130 ~a29~0) (= ~a25~0 10) (= ~a3~0 1)) [2018-12-03 07:52:23,754 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 07:52:23,754 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 07:52:23,754 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1028 1044) the Hoare annotation is: (or (not (= 10 |old(~a25~0)|)) (and (= ~a25~0 10) (= ~a29~0 130) (= ~a23~0 |old(~a23~0)|) (= 1 ~a4~0)) (not (= 15 ~a8~0)) (not (= 1 ~a3~0)) (not (= 312 |old(~a23~0)|)) (not (= 1 |old(~a4~0)|)) (not (= 130 |old(~a29~0)|))) [2018-12-03 07:52:23,754 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1028 1044) no Hoare annotation was computed. [2018-12-03 07:52:23,754 INFO L444 ceAbstractionStarter]: At program point L1042(line 1042) the Hoare annotation is: (let ((.cse0 (not (= ~a25~0 11))) (.cse4 (<= 12 ~a25~0)) (.cse3 (<= ~a29~0 274)) (.cse2 (= 1 ~a4~0)) (.cse1 (<= ~a25~0 12))) (or (< |old(~a29~0)| 130) (and .cse0 .cse1 .cse2) (and .cse2 (< 138 ~a23~0)) (and .cse0 .cse3 (<= 0 (+ ~a23~0 599908)) (<= 130 ~a29~0) .cse2 (<= (+ ~a23~0 600220) |old(~a23~0)|)) (not (= 10 |old(~a25~0)|)) (not (= 1 ~a3~0)) (and .cse4 (exists ((v_~a23~0_569 Int)) (let ((.cse5 (mod v_~a23~0_569 90))) (and (not (= .cse5 0)) (<= .cse5 (+ ~a23~0 43)) (<= (+ v_~a23~0_569 43) 0) (< v_~a23~0_569 0))))) (< 130 |old(~a29~0)|) (not (= 312 |old(~a23~0)|)) (and (<= 141 ~a29~0) (and .cse4 .cse3 .cse2)) (and (<= ~a29~0 140) .cse1) (not (= 15 ~a8~0)) (not (= 1 |old(~a4~0)|)) (and .cse1 (< 245 ~a29~0)) (and (not (= main_~input~0 0)) (= 12 ~a25~0)))) [2018-12-03 07:52:23,754 INFO L448 ceAbstractionStarter]: For program point L1042-1(line 1042) no Hoare annotation was computed. [2018-12-03 07:52:23,754 INFO L448 ceAbstractionStarter]: For program point L1039(line 1039) no Hoare annotation was computed. [2018-12-03 07:52:23,754 INFO L444 ceAbstractionStarter]: At program point L1034-2(lines 1034 1043) the Hoare annotation is: (let ((.cse0 (not (= ~a25~0 11))) (.cse4 (<= 12 ~a25~0)) (.cse3 (<= ~a29~0 274)) (.cse2 (= 1 ~a4~0)) (.cse1 (<= ~a25~0 12))) (or (< |old(~a29~0)| 130) (and .cse0 .cse1 .cse2) (and .cse2 (< 138 ~a23~0)) (and .cse0 .cse3 (<= 0 (+ ~a23~0 599908)) (<= 130 ~a29~0) .cse2 (<= (+ ~a23~0 600220) |old(~a23~0)|)) (not (= 10 |old(~a25~0)|)) (= 12 ~a25~0) (not (= 1 ~a3~0)) (and .cse4 (exists ((v_~a23~0_569 Int)) (let ((.cse5 (mod v_~a23~0_569 90))) (and (not (= .cse5 0)) (<= .cse5 (+ ~a23~0 43)) (<= (+ v_~a23~0_569 43) 0) (< v_~a23~0_569 0))))) (< 130 |old(~a29~0)|) (not (= 312 |old(~a23~0)|)) (and (<= 141 ~a29~0) (and .cse4 .cse3 .cse2)) (and (<= ~a29~0 140) .cse1) (not (= 15 ~a8~0)) (not (= 1 |old(~a4~0)|)) (and .cse1 (< 245 ~a29~0)))) [2018-12-03 07:52:23,754 INFO L448 ceAbstractionStarter]: For program point L1034-3(lines 1028 1044) no Hoare annotation was computed. [2018-12-03 07:52:23,757 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-12-03 07:52:23,758 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-12-03 07:52:23,758 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-12-03 07:52:23,758 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-12-03 07:52:23,762 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-12-03 07:52:23,762 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-12-03 07:52:23,762 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-12-03 07:52:23,762 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-12-03 07:52:23,764 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 07:52:23 BoogieIcfgContainer [2018-12-03 07:52:23,764 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 07:52:23,764 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 07:52:23,764 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 07:52:23,764 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 07:52:23,765 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 07:41:56" (3/4) ... [2018-12-03 07:52:23,767 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 07:52:23,771 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 07:52:23,771 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 07:52:23,771 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 07:52:23,780 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-03 07:52:23,780 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 07:52:23,799 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((\old(a29) < 130 || ((!(a25 == 11) && a25 <= 12) && 1 == a4)) || (1 == a4 && 138 < a23)) || (((((!(a25 == 11) && a29 <= 274) && 0 <= a23 + 599908) && 130 <= a29) && 1 == a4) && a23 + 600220 <= \old(a23))) || !(10 == \old(a25))) || 12 == a25) || !(1 == a3)) || (12 <= a25 && (\exists v_~a23~0_569 : int :: ((!(v_~a23~0_569 % 90 == 0) && v_~a23~0_569 % 90 <= a23 + 43) && v_~a23~0_569 + 43 <= 0) && v_~a23~0_569 < 0))) || 130 < \old(a29)) || !(312 == \old(a23))) || (141 <= a29 && (12 <= a25 && a29 <= 274) && 1 == a4)) || (a29 <= 140 && a25 <= 12)) || !(15 == a8)) || !(1 == \old(a4))) || (a25 <= 12 && 245 < a29) [2018-12-03 07:52:23,882 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_13cafe4b-1e57-4467-82f6-ac4bdd567ab8/bin-2019/utaipan/witness.graphml [2018-12-03 07:52:23,882 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 07:52:23,883 INFO L168 Benchmark]: Toolchain (without parser) took 628674.19 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 950.6 MB in the beginning and 3.0 GB in the end (delta: -2.0 GB). Peak memory consumption was 1.8 GB. Max. memory is 11.5 GB. [2018-12-03 07:52:23,883 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:52:23,883 INFO L168 Benchmark]: CACSL2BoogieTranslator took 466.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -116.2 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. [2018-12-03 07:52:23,884 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 07:52:23,884 INFO L168 Benchmark]: Boogie Preprocessor took 52.86 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. [2018-12-03 07:52:23,884 INFO L168 Benchmark]: RCFGBuilder took 935.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 888.3 MB in the end (delta: 170.5 MB). Peak memory consumption was 170.5 MB. Max. memory is 11.5 GB. [2018-12-03 07:52:23,884 INFO L168 Benchmark]: TraceAbstraction took 627071.62 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 885.6 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. [2018-12-03 07:52:23,884 INFO L168 Benchmark]: Witness Printer took 118.20 ms. Allocated memory is still 4.9 GB. Free memory was 3.1 GB in the beginning and 3.0 GB in the end (delta: 73.8 MB). Peak memory consumption was 73.8 MB. Max. memory is 11.5 GB. [2018-12-03 07:52:23,885 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 466.04 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 97.0 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -116.2 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.20 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.86 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 935.32 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 888.3 MB in the end (delta: 170.5 MB). Peak memory consumption was 170.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 627071.62 ms. Allocated memory was 1.1 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 885.6 MB in the beginning and 3.1 GB in the end (delta: -2.2 GB). Peak memory consumption was 4.3 GB. Max. memory is 11.5 GB. * Witness Printer took 118.20 ms. Allocated memory is still 4.9 GB. Free memory was 3.1 GB in the beginning and 3.0 GB in the end (delta: 73.8 MB). Peak memory consumption was 73.8 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_~a23~0_569,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 123]: 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: 1034]: Loop Invariant [2018-12-03 07:52:23,887 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-12-03 07:52:23,887 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-12-03 07:52:23,887 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-12-03 07:52:23,888 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-12-03 07:52:23,888 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-12-03 07:52:23,888 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-12-03 07:52:23,888 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] [2018-12-03 07:52:23,888 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a23~0_569,QUANTIFIED] Derived loop invariant: (((((((((((((\old(a29) < 130 || ((!(a25 == 11) && a25 <= 12) && 1 == a4)) || (1 == a4 && 138 < a23)) || (((((!(a25 == 11) && a29 <= 274) && 0 <= a23 + 599908) && 130 <= a29) && 1 == a4) && a23 + 600220 <= \old(a23))) || !(10 == \old(a25))) || 12 == a25) || !(1 == a3)) || (12 <= a25 && (\exists v_~a23~0_569 : int :: ((!(v_~a23~0_569 % 90 == 0) && v_~a23~0_569 % 90 <= a23 + 43) && v_~a23~0_569 + 43 <= 0) && v_~a23~0_569 < 0))) || 130 < \old(a29)) || !(312 == \old(a23))) || (141 <= a29 && (12 <= a25 && a29 <= 274) && 1 == a4)) || (a29 <= 140 && a25 <= 12)) || !(15 == a8)) || !(1 == \old(a4))) || (a25 <= 12 && 245 < a29) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 292 locations, 1 error locations. SAFE Result, 627.0s OverallTime, 16 OverallIterations, 7 TraceHistogramMax, 604.4s AutomataDifference, 0.0s DeadEndRemovalTime, 7.4s HoareAnnotationTime, HoareTripleCheckerStatistics: 2112 SDtfs, 17643 SDslu, 2432 SDs, 0 SdLazy, 33342 SolverSat, 6632 SolverUnsat, 209 SolverUnknown, 0 SolverNotchecked, 568.0s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 8280 GetRequests, 7947 SyntacticMatches, 21 SemanticMatches, 312 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 3936 ImplicationChecksByTransitivity, 20.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=30255occurred in iteration=15, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.2s AbstIntTime, 12 AbstIntIterations, 4 AbstIntStrong, 0.9974875928222714 AbsIntWeakeningRatio, 0.10649819494584838 AbsIntAvgWeakeningVarsNumRemoved, 17.48826714801444 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 16 MinimizatonAttempts, 4209 StatesRemovedByMinimization, 13 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 770 PreInvPairs, 1078 NumberOfFragments, 612 HoareAnnotationTreeSize, 770 FomulaSimplifications, 220972 FormulaSimplificationTreeSizeReduction, 1.6s HoareSimplificationTime, 7 FomulaSimplificationsInter, 51878 FormulaSimplificationTreeSizeReductionInter, 5.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.8s InterpolantComputationTime, 9071 NumberOfCodeBlocks, 9071 NumberOfCodeBlocksAsserted, 24 NumberOfCheckSat, 12410 ConstructedInterpolants, 300 QuantifiedInterpolants, 21757979 SizeOfPredicates, 9 NumberOfNonLiveVariables, 5441 ConjunctsInSsa, 58 ConjunctsInUnsatCore, 32 InterpolantComputations, 7 PerfectInterpolantSequences, 14750/15560 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...