./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label45_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_864733c9-283f-4d0a-8605-b4283c7a73af/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label45_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/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 b47e6efaac96dd68fdf2e956514ab24129d0709d ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... 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 01:48:57,360 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-03 01:48:57,361 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-03 01:48:57,367 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-03 01:48:57,367 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-03 01:48:57,368 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-03 01:48:57,369 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-03 01:48:57,370 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-03 01:48:57,371 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-03 01:48:57,372 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-03 01:48:57,373 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-03 01:48:57,373 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-03 01:48:57,374 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-03 01:48:57,374 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-03 01:48:57,375 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-03 01:48:57,376 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-03 01:48:57,376 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-03 01:48:57,378 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-03 01:48:57,379 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-03 01:48:57,380 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-03 01:48:57,381 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-03 01:48:57,382 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-03 01:48:57,384 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-03 01:48:57,384 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-03 01:48:57,384 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-03 01:48:57,385 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-03 01:48:57,385 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-03 01:48:57,386 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-03 01:48:57,386 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-03 01:48:57,387 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-03 01:48:57,387 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-03 01:48:57,387 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-03 01:48:57,388 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-03 01:48:57,388 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-03 01:48:57,388 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-03 01:48:57,389 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-03 01:48:57,389 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-03 01:48:57,396 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-03 01:48:57,396 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-03 01:48:57,397 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-03 01:48:57,397 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-03 01:48:57,397 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-03 01:48:57,397 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-03 01:48:57,397 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-03 01:48:57,397 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-03 01:48:57,397 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-03 01:48:57,397 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-03 01:48:57,398 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-03 01:48:57,398 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-03 01:48:57,398 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-03 01:48:57,398 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-03 01:48:57,398 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-03 01:48:57,399 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-03 01:48:57,399 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-03 01:48:57,399 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-03 01:48:57,399 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-03 01:48:57,399 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-03 01:48:57,399 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-03 01:48:57,399 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-03 01:48:57,399 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-03 01:48:57,400 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-03 01:48:57,400 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-03 01:48:57,400 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-03 01:48:57,400 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-03 01:48:57,400 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-03 01:48:57,400 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-03 01:48:57,400 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-03 01:48:57,400 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-03 01:48:57,401 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-03 01:48:57,401 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-03 01:48:57,401 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-03 01:48:57,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-03 01:48:57,401 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-03 01:48:57,401 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_864733c9-283f-4d0a-8605-b4283c7a73af/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 -> b47e6efaac96dd68fdf2e956514ab24129d0709d [2018-12-03 01:48:57,418 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-03 01:48:57,425 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-03 01:48:57,426 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-03 01:48:57,427 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-03 01:48:57,427 INFO L276 PluginConnector]: CDTParser initialized [2018-12-03 01:48:57,428 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label45_true-unreach-call.c [2018-12-03 01:48:57,461 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/bin-2019/utaipan/data/61a5dbb41/9604596b86bf44b99d8891550d84e4fe/FLAG318881c83 [2018-12-03 01:48:58,007 INFO L307 CDTParser]: Found 1 translation units. [2018-12-03 01:48:58,007 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/sv-benchmarks/c/eca-rers2012/Problem16_label45_true-unreach-call.c [2018-12-03 01:48:58,016 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/bin-2019/utaipan/data/61a5dbb41/9604596b86bf44b99d8891550d84e4fe/FLAG318881c83 [2018-12-03 01:48:58,496 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/bin-2019/utaipan/data/61a5dbb41/9604596b86bf44b99d8891550d84e4fe [2018-12-03 01:48:58,498 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-03 01:48:58,498 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-03 01:48:58,499 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-03 01:48:58,499 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-03 01:48:58,501 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-03 01:48:58,501 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:48:58" (1/1) ... [2018-12-03 01:48:58,503 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7fdfc843 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:58, skipping insertion in model container [2018-12-03 01:48:58,503 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 03.12 01:48:58" (1/1) ... [2018-12-03 01:48:58,507 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-03 01:48:58,544 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-03 01:48:58,847 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:48:58,850 INFO L191 MainTranslator]: Completed pre-run [2018-12-03 01:48:59,072 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-03 01:48:59,086 INFO L195 MainTranslator]: Completed translation [2018-12-03 01:48:59,086 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:59 WrapperNode [2018-12-03 01:48:59,086 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-03 01:48:59,087 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-03 01:48:59,087 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-03 01:48:59,087 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-03 01:48:59,095 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:59" (1/1) ... [2018-12-03 01:48:59,114 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:59" (1/1) ... [2018-12-03 01:48:59,121 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-03 01:48:59,122 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-03 01:48:59,122 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-03 01:48:59,122 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-03 01:48:59,130 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:59" (1/1) ... [2018-12-03 01:48:59,130 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:59" (1/1) ... [2018-12-03 01:48:59,137 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:59" (1/1) ... [2018-12-03 01:48:59,137 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:59" (1/1) ... [2018-12-03 01:48:59,173 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:59" (1/1) ... [2018-12-03 01:48:59,185 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:59" (1/1) ... [2018-12-03 01:48:59,195 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:59" (1/1) ... [2018-12-03 01:48:59,205 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-03 01:48:59,205 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-03 01:48:59,205 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-03 01:48:59,205 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-03 01:48:59,206 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/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 01:48:59,250 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-03 01:48:59,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-03 01:48:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-03 01:48:59,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-03 01:48:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-03 01:48:59,251 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-03 01:48:59,251 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-03 01:48:59,251 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-03 01:48:59,252 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-03 01:48:59,252 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-03 01:49:00,546 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-03 01:49:00,547 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-03 01:49:00,547 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:00 BoogieIcfgContainer [2018-12-03 01:49:00,547 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-03 01:49:00,548 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-03 01:49:00,548 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-03 01:49:00,550 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-03 01:49:00,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 03.12 01:48:58" (1/3) ... [2018-12-03 01:49:00,550 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d12d389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:49:00, skipping insertion in model container [2018-12-03 01:49:00,550 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 03.12 01:48:59" (2/3) ... [2018-12-03 01:49:00,551 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d12d389 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 03.12 01:49:00, skipping insertion in model container [2018-12-03 01:49:00,551 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:00" (3/3) ... [2018-12-03 01:49:00,552 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label45_true-unreach-call.c [2018-12-03 01:49:00,558 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-03 01:49:00,563 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-03 01:49:00,573 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-03 01:49:00,594 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-03 01:49:00,595 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-03 01:49:00,595 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-03 01:49:00,595 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-03 01:49:00,595 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-03 01:49:00,595 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-03 01:49:00,595 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-03 01:49:00,595 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-03 01:49:00,612 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-03 01:49:00,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-03 01:49:00,617 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:49:00,618 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:49:00,619 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:49:00,623 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:00,623 INFO L82 PathProgramCache]: Analyzing trace with hash -157468318, now seen corresponding path program 1 times [2018-12-03 01:49:00,625 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:49:00,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:00,655 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:00,655 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:00,655 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:49:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:00,809 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 01:49:00,811 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:49:00,811 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 01:49:00,811 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:49:00,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 01:49:00,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 01:49:00,827 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 01:49:00,829 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 4 states. [2018-12-03 01:49:02,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:49:02,403 INFO L93 Difference]: Finished difference Result 1509 states and 2834 transitions. [2018-12-03 01:49:02,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 01:49:02,405 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 59 [2018-12-03 01:49:02,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:49:02,417 INFO L225 Difference]: With dead ends: 1509 [2018-12-03 01:49:02,417 INFO L226 Difference]: Without dead ends: 1019 [2018-12-03 01:49:02,422 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 01:49:02,434 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1019 states. [2018-12-03 01:49:02,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1019 to 682. [2018-12-03 01:49:02,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-03 01:49:02,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1148 transitions. [2018-12-03 01:49:02,473 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1148 transitions. Word has length 59 [2018-12-03 01:49:02,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:49:02,474 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1148 transitions. [2018-12-03 01:49:02,474 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 01:49:02,474 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1148 transitions. [2018-12-03 01:49:02,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-03 01:49:02,477 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:49:02,477 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 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 01:49:02,477 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:49:02,477 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:02,478 INFO L82 PathProgramCache]: Analyzing trace with hash -918606014, now seen corresponding path program 1 times [2018-12-03 01:49:02,478 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:49:02,478 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:02,478 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:02,479 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:02,479 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:49:02,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:49:02,591 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:49:02,592 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 01:49:02,592 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:49:02,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:49:02,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:49:02,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:49:02,593 INFO L87 Difference]: Start difference. First operand 682 states and 1148 transitions. Second operand 6 states. [2018-12-03 01:49:03,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:49:03,940 INFO L93 Difference]: Finished difference Result 2068 states and 3519 transitions. [2018-12-03 01:49:03,941 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 01:49:03,941 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 129 [2018-12-03 01:49:03,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:49:03,946 INFO L225 Difference]: With dead ends: 2068 [2018-12-03 01:49:03,946 INFO L226 Difference]: Without dead ends: 1392 [2018-12-03 01:49:03,947 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:49:03,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1392 states. [2018-12-03 01:49:03,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1392 to 1374. [2018-12-03 01:49:03,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1374 states. [2018-12-03 01:49:03,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1374 states and 2217 transitions. [2018-12-03 01:49:03,975 INFO L78 Accepts]: Start accepts. Automaton has 1374 states and 2217 transitions. Word has length 129 [2018-12-03 01:49:03,975 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:49:03,975 INFO L480 AbstractCegarLoop]: Abstraction has 1374 states and 2217 transitions. [2018-12-03 01:49:03,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:49:03,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1374 states and 2217 transitions. [2018-12-03 01:49:03,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-03 01:49:03,977 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:49:03,977 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 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 01:49:03,977 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:49:03,977 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:03,977 INFO L82 PathProgramCache]: Analyzing trace with hash 1859454899, now seen corresponding path program 1 times [2018-12-03 01:49:03,978 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:49:03,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:03,978 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:03,978 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:03,978 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:49:03,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:04,048 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:49:04,048 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:49:04,048 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-12-03 01:49:04,049 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:49:04,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-12-03 01:49:04,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-12-03 01:49:04,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-12-03 01:49:04,050 INFO L87 Difference]: Start difference. First operand 1374 states and 2217 transitions. Second operand 5 states. [2018-12-03 01:49:05,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:49:05,900 INFO L93 Difference]: Finished difference Result 3463 states and 5603 transitions. [2018-12-03 01:49:05,900 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 01:49:05,901 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 130 [2018-12-03 01:49:05,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:49:05,909 INFO L225 Difference]: With dead ends: 3463 [2018-12-03 01:49:05,910 INFO L226 Difference]: Without dead ends: 2095 [2018-12-03 01:49:05,912 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-12-03 01:49:05,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2095 states. [2018-12-03 01:49:05,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2095 to 2079. [2018-12-03 01:49:05,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2079 states. [2018-12-03 01:49:05,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2079 states to 2079 states and 2787 transitions. [2018-12-03 01:49:05,958 INFO L78 Accepts]: Start accepts. Automaton has 2079 states and 2787 transitions. Word has length 130 [2018-12-03 01:49:05,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:49:05,958 INFO L480 AbstractCegarLoop]: Abstraction has 2079 states and 2787 transitions. [2018-12-03 01:49:05,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-12-03 01:49:05,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2079 states and 2787 transitions. [2018-12-03 01:49:05,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-03 01:49:05,960 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:49:05,960 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:49:05,961 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:49:05,961 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:05,961 INFO L82 PathProgramCache]: Analyzing trace with hash 824896939, now seen corresponding path program 1 times [2018-12-03 01:49:05,961 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:49:05,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:05,961 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:05,961 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:05,962 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:49:05,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:06,091 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:49:06,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:49:06,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 01:49:06,092 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:49:06,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:49:06,092 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:49:06,092 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:49:06,093 INFO L87 Difference]: Start difference. First operand 2079 states and 2787 transitions. Second operand 6 states. [2018-12-03 01:49:08,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:49:08,196 INFO L93 Difference]: Finished difference Result 6268 states and 8594 transitions. [2018-12-03 01:49:08,196 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 01:49:08,197 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 222 [2018-12-03 01:49:08,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:49:08,218 INFO L225 Difference]: With dead ends: 6268 [2018-12-03 01:49:08,219 INFO L226 Difference]: Without dead ends: 4195 [2018-12-03 01:49:08,223 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:49:08,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4195 states. [2018-12-03 01:49:08,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4195 to 4157. [2018-12-03 01:49:08,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4157 states. [2018-12-03 01:49:08,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4157 states to 4157 states and 5579 transitions. [2018-12-03 01:49:08,287 INFO L78 Accepts]: Start accepts. Automaton has 4157 states and 5579 transitions. Word has length 222 [2018-12-03 01:49:08,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:49:08,288 INFO L480 AbstractCegarLoop]: Abstraction has 4157 states and 5579 transitions. [2018-12-03 01:49:08,288 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:49:08,288 INFO L276 IsEmpty]: Start isEmpty. Operand 4157 states and 5579 transitions. [2018-12-03 01:49:08,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-03 01:49:08,290 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:49:08,290 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:49:08,290 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:49:08,291 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:08,291 INFO L82 PathProgramCache]: Analyzing trace with hash -761221741, now seen corresponding path program 1 times [2018-12-03 01:49:08,291 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:49:08,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:08,292 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:08,292 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:08,292 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:49:08,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:08,408 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-03 01:49:08,408 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:49:08,408 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-03 01:49:08,408 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:49:08,409 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:49:08,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:49:08,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:49:08,409 INFO L87 Difference]: Start difference. First operand 4157 states and 5579 transitions. Second operand 6 states. [2018-12-03 01:49:09,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:49:09,656 INFO L93 Difference]: Finished difference Result 10099 states and 13767 transitions. [2018-12-03 01:49:09,656 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-03 01:49:09,656 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 242 [2018-12-03 01:49:09,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:49:09,672 INFO L225 Difference]: With dead ends: 10099 [2018-12-03 01:49:09,672 INFO L226 Difference]: Without dead ends: 5948 [2018-12-03 01:49:09,679 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:49:09,684 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5948 states. [2018-12-03 01:49:09,761 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5948 to 5913. [2018-12-03 01:49:09,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5913 states. [2018-12-03 01:49:09,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5913 states to 5913 states and 7732 transitions. [2018-12-03 01:49:09,767 INFO L78 Accepts]: Start accepts. Automaton has 5913 states and 7732 transitions. Word has length 242 [2018-12-03 01:49:09,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:49:09,768 INFO L480 AbstractCegarLoop]: Abstraction has 5913 states and 7732 transitions. [2018-12-03 01:49:09,768 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:49:09,768 INFO L276 IsEmpty]: Start isEmpty. Operand 5913 states and 7732 transitions. [2018-12-03 01:49:09,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2018-12-03 01:49:09,773 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:49:09,773 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:49:09,773 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:49:09,773 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:09,773 INFO L82 PathProgramCache]: Analyzing trace with hash 154123587, now seen corresponding path program 1 times [2018-12-03 01:49:09,773 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:49:09,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:09,774 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:49:09,774 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:49:09,774 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:49:09,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:49:10,019 INFO L134 CoverageAnalysis]: Checked inductivity of 423 backedges. 181 proven. 35 refuted. 0 times theorem prover too weak. 207 trivial. 0 not checked. [2018-12-03 01:49:10,019 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:49:10,020 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:49:10,020 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 421 with the following transitions: [2018-12-03 01:49:10,021 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1048], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 01:49:10,048 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:49:10,048 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:49:10,318 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 01:49:10,319 INFO L272 AbstractInterpreter]: Visited 169 different actions 169 times. Never merged. Never widened. Performed 1654 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1654 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-03 01:49:10,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:49:10,327 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 01:49:10,752 INFO L227 lantSequenceWeakener]: Weakened 408 states. On average, predicates are now at 77.75% of their original sizes. [2018-12-03 01:49:10,752 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 01:49:10,772 INFO L418 sIntCurrentIteration]: We unified 419 AI predicates to 419 [2018-12-03 01:49:10,772 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 01:49:10,772 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:49:10,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [8] total 12 [2018-12-03 01:49:10,772 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:49:10,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-03 01:49:10,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-03 01:49:10,773 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-03 01:49:10,773 INFO L87 Difference]: Start difference. First operand 5913 states and 7732 transitions. Second operand 6 states. [2018-12-03 01:50:08,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:50:08,671 INFO L93 Difference]: Finished difference Result 12158 states and 15830 transitions. [2018-12-03 01:50:08,671 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-03 01:50:08,671 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 420 [2018-12-03 01:50:08,671 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:50:08,680 INFO L225 Difference]: With dead ends: 12158 [2018-12-03 01:50:08,680 INFO L226 Difference]: Without dead ends: 6251 [2018-12-03 01:50:08,685 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 420 GetRequests, 415 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 01:50:08,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6251 states. [2018-12-03 01:50:08,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6251 to 6250. [2018-12-03 01:50:08,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6250 states. [2018-12-03 01:50:08,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6250 states to 6250 states and 8078 transitions. [2018-12-03 01:50:08,748 INFO L78 Accepts]: Start accepts. Automaton has 6250 states and 8078 transitions. Word has length 420 [2018-12-03 01:50:08,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:50:08,748 INFO L480 AbstractCegarLoop]: Abstraction has 6250 states and 8078 transitions. [2018-12-03 01:50:08,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-03 01:50:08,748 INFO L276 IsEmpty]: Start isEmpty. Operand 6250 states and 8078 transitions. [2018-12-03 01:50:08,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 512 [2018-12-03 01:50:08,755 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:50:08,755 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:50:08,755 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:50:08,755 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:50:08,756 INFO L82 PathProgramCache]: Analyzing trace with hash 321571626, now seen corresponding path program 1 times [2018-12-03 01:50:08,756 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:50:08,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:50:08,756 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:50:08,756 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:50:08,756 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:50:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:50:08,988 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 282 proven. 265 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-03 01:50:08,988 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:50:08,988 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:50:08,989 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 512 with the following transitions: [2018-12-03 01:50:08,989 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1048], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 01:50:08,992 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:50:08,992 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:50:09,220 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 01:50:09,220 INFO L272 AbstractInterpreter]: Visited 173 different actions 506 times. Merged at 4 different actions 7 times. Never widened. Performed 5425 root evaluator evaluations with a maximum evaluation depth of 7. Performed 5425 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-03 01:50:09,222 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:50:09,222 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 01:50:09,563 INFO L227 lantSequenceWeakener]: Weakened 508 states. On average, predicates are now at 80.41% of their original sizes. [2018-12-03 01:50:09,563 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 01:50:09,618 INFO L418 sIntCurrentIteration]: We unified 510 AI predicates to 510 [2018-12-03 01:50:09,618 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 01:50:09,618 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:50:09,618 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-03 01:50:09,618 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:50:09,619 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 01:50:09,619 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 01:50:09,619 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 01:50:09,619 INFO L87 Difference]: Start difference. First operand 6250 states and 8078 transitions. Second operand 10 states. [2018-12-03 01:50:47,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:50:47,854 INFO L93 Difference]: Finished difference Result 14266 states and 18419 transitions. [2018-12-03 01:50:47,854 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-12-03 01:50:47,854 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 511 [2018-12-03 01:50:47,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:50:47,878 INFO L225 Difference]: With dead ends: 14266 [2018-12-03 01:50:47,878 INFO L226 Difference]: Without dead ends: 8359 [2018-12-03 01:50:47,890 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 520 GetRequests, 502 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-12-03 01:50:47,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8359 states. [2018-12-03 01:50:47,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8359 to 7987. [2018-12-03 01:50:47,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7987 states. [2018-12-03 01:50:47,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7987 states to 7987 states and 10031 transitions. [2018-12-03 01:50:47,994 INFO L78 Accepts]: Start accepts. Automaton has 7987 states and 10031 transitions. Word has length 511 [2018-12-03 01:50:47,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:50:47,994 INFO L480 AbstractCegarLoop]: Abstraction has 7987 states and 10031 transitions. [2018-12-03 01:50:47,995 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 01:50:47,995 INFO L276 IsEmpty]: Start isEmpty. Operand 7987 states and 10031 transitions. [2018-12-03 01:50:48,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 660 [2018-12-03 01:50:48,000 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:50:48,001 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:50:48,001 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:50:48,001 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:50:48,001 INFO L82 PathProgramCache]: Analyzing trace with hash 817731394, now seen corresponding path program 1 times [2018-12-03 01:50:48,001 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:50:48,001 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:50:48,002 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:50:48,002 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:50:48,002 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:50:48,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:50:48,324 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 637 proven. 29 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-03 01:50:48,324 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:50:48,324 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:50:48,324 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 660 with the following transitions: [2018-12-03 01:50:48,324 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1048], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 01:50:48,328 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:50:48,328 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:50:48,618 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:50:48,618 INFO L272 AbstractInterpreter]: Visited 250 different actions 748 times. Merged at 8 different actions 20 times. Never widened. Performed 8441 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8441 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 6 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-03 01:50:48,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:50:48,620 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:50:48,621 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:50:48,621 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/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 01:50:48,628 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:50:48,628 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:50:48,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:50:48,725 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:50:48,962 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 573 proven. 2 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-03 01:50:48,962 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:50:49,206 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 573 proven. 2 refuted. 0 times theorem prover too weak. 261 trivial. 0 not checked. [2018-12-03 01:50:49,221 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 01:50:49,222 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-03 01:50:49,222 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 01:50:49,222 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 01:50:49,223 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 01:50:49,223 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-03 01:50:49,223 INFO L87 Difference]: Start difference. First operand 7987 states and 10031 transitions. Second operand 10 states. [2018-12-03 01:50:51,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:50:51,706 INFO L93 Difference]: Finished difference Result 18384 states and 22844 transitions. [2018-12-03 01:50:51,706 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-12-03 01:50:51,706 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 659 [2018-12-03 01:50:51,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:50:51,722 INFO L225 Difference]: With dead ends: 18384 [2018-12-03 01:50:51,722 INFO L226 Difference]: Without dead ends: 9625 [2018-12-03 01:50:51,731 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1348 GetRequests, 1325 SyntacticMatches, 5 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2018-12-03 01:50:51,737 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9625 states. [2018-12-03 01:50:51,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9625 to 7227. [2018-12-03 01:50:51,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7227 states. [2018-12-03 01:50:51,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7227 states to 7227 states and 7848 transitions. [2018-12-03 01:50:51,812 INFO L78 Accepts]: Start accepts. Automaton has 7227 states and 7848 transitions. Word has length 659 [2018-12-03 01:50:51,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:50:51,813 INFO L480 AbstractCegarLoop]: Abstraction has 7227 states and 7848 transitions. [2018-12-03 01:50:51,813 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 01:50:51,813 INFO L276 IsEmpty]: Start isEmpty. Operand 7227 states and 7848 transitions. [2018-12-03 01:50:51,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 686 [2018-12-03 01:50:51,820 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:50:51,820 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:50:51,820 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:50:51,820 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:50:51,821 INFO L82 PathProgramCache]: Analyzing trace with hash 408476754, now seen corresponding path program 1 times [2018-12-03 01:50:51,821 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:50:51,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:50:51,821 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:50:51,821 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:50:51,821 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:50:51,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:50:52,129 INFO L134 CoverageAnalysis]: Checked inductivity of 1119 backedges. 507 proven. 141 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2018-12-03 01:50:52,129 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:50:52,129 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:50:52,129 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 686 with the following transitions: [2018-12-03 01:50:52,129 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 01:50:52,133 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:50:52,133 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:50:52,611 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:50:52,611 INFO L272 AbstractInterpreter]: Visited 251 different actions 1004 times. Merged at 9 different actions 32 times. Widened at 1 different actions 1 times. Performed 11792 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11792 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-03 01:50:52,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:50:52,614 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:50:52,614 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:50:52,614 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/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 01:50:52,620 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:50:52,620 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:50:52,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:50:52,705 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:50:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 1119 backedges. 814 proven. 2 refuted. 0 times theorem prover too weak. 303 trivial. 0 not checked. [2018-12-03 01:50:52,846 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:50:53,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1119 backedges. 507 proven. 141 refuted. 0 times theorem prover too weak. 471 trivial. 0 not checked. [2018-12-03 01:50:53,108 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 01:50:53,108 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-03 01:50:53,109 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 01:50:53,109 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 01:50:53,109 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 01:50:53,109 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2018-12-03 01:50:53,109 INFO L87 Difference]: Start difference. First operand 7227 states and 7848 transitions. Second operand 9 states. [2018-12-03 01:50:54,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:50:54,913 INFO L93 Difference]: Finished difference Result 18334 states and 20488 transitions. [2018-12-03 01:50:54,913 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-03 01:50:54,913 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 685 [2018-12-03 01:50:54,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:50:54,929 INFO L225 Difference]: With dead ends: 18334 [2018-12-03 01:50:54,929 INFO L226 Difference]: Without dead ends: 11102 [2018-12-03 01:50:54,937 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1391 GetRequests, 1373 SyntacticMatches, 1 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2018-12-03 01:50:54,945 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11102 states. [2018-12-03 01:50:55,048 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11102 to 10737. [2018-12-03 01:50:55,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 10737 states. [2018-12-03 01:50:55,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10737 states to 10737 states and 11885 transitions. [2018-12-03 01:50:55,060 INFO L78 Accepts]: Start accepts. Automaton has 10737 states and 11885 transitions. Word has length 685 [2018-12-03 01:50:55,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:50:55,060 INFO L480 AbstractCegarLoop]: Abstraction has 10737 states and 11885 transitions. [2018-12-03 01:50:55,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 01:50:55,060 INFO L276 IsEmpty]: Start isEmpty. Operand 10737 states and 11885 transitions. [2018-12-03 01:50:55,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 879 [2018-12-03 01:50:55,068 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:50:55,069 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 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 01:50:55,069 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:50:55,069 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:50:55,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1047054171, now seen corresponding path program 1 times [2018-12-03 01:50:55,069 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:50:55,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:50:55,070 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:50:55,070 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:50:55,070 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:50:55,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:50:56,227 INFO L134 CoverageAnalysis]: Checked inductivity of 1142 backedges. 453 proven. 612 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-03 01:50:56,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:50:56,228 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:50:56,228 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 879 with the following transitions: [2018-12-03 01:50:56,228 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1444], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 01:50:56,231 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:50:56,231 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:50:56,482 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 01:50:56,482 INFO L272 AbstractInterpreter]: Visited 272 different actions 538 times. Merged at 4 different actions 4 times. Never widened. Performed 5879 root evaluator evaluations with a maximum evaluation depth of 17. Performed 5879 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-03 01:50:56,484 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:50:56,484 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 01:50:56,984 INFO L227 lantSequenceWeakener]: Weakened 875 states. On average, predicates are now at 77.52% of their original sizes. [2018-12-03 01:50:56,985 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 01:50:57,029 INFO L418 sIntCurrentIteration]: We unified 877 AI predicates to 877 [2018-12-03 01:50:57,030 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 01:50:57,030 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:50:57,030 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-03 01:50:57,030 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:50:57,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 01:50:57,030 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 01:50:57,030 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-03 01:50:57,031 INFO L87 Difference]: Start difference. First operand 10737 states and 11885 transitions. Second operand 10 states. [2018-12-03 01:51:57,069 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:51:57,069 INFO L93 Difference]: Finished difference Result 21472 states and 23781 transitions. [2018-12-03 01:51:57,070 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 01:51:57,070 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 878 [2018-12-03 01:51:57,070 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:51:57,087 INFO L225 Difference]: With dead ends: 21472 [2018-12-03 01:51:57,088 INFO L226 Difference]: Without dead ends: 11078 [2018-12-03 01:51:57,101 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 885 GetRequests, 869 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-03 01:51:57,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11078 states. [2018-12-03 01:51:57,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11078 to 11076. [2018-12-03 01:51:57,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11076 states. [2018-12-03 01:51:57,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11076 states to 11076 states and 12231 transitions. [2018-12-03 01:51:57,201 INFO L78 Accepts]: Start accepts. Automaton has 11076 states and 12231 transitions. Word has length 878 [2018-12-03 01:51:57,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:51:57,202 INFO L480 AbstractCegarLoop]: Abstraction has 11076 states and 12231 transitions. [2018-12-03 01:51:57,202 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 01:51:57,202 INFO L276 IsEmpty]: Start isEmpty. Operand 11076 states and 12231 transitions. [2018-12-03 01:51:57,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 887 [2018-12-03 01:51:57,214 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:51:57,215 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:51:57,215 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:51:57,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:51:57,215 INFO L82 PathProgramCache]: Analyzing trace with hash 1837873387, now seen corresponding path program 1 times [2018-12-03 01:51:57,216 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:51:57,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:51:57,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:51:57,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:51:57,216 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:51:57,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:51:57,512 INFO L134 CoverageAnalysis]: Checked inductivity of 1158 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 941 trivial. 0 not checked. [2018-12-03 01:51:57,512 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-03 01:51:57,512 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-03 01:51:57,512 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:51:57,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-03 01:51:57,513 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-03 01:51:57,513 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 01:51:57,513 INFO L87 Difference]: Start difference. First operand 11076 states and 12231 transitions. Second operand 4 states. [2018-12-03 01:51:58,448 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:51:58,448 INFO L93 Difference]: Finished difference Result 23882 states and 27182 transitions. [2018-12-03 01:51:58,449 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-03 01:51:58,449 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 886 [2018-12-03 01:51:58,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:51:58,470 INFO L225 Difference]: With dead ends: 23882 [2018-12-03 01:51:58,470 INFO L226 Difference]: Without dead ends: 15523 [2018-12-03 01:51:58,479 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-03 01:51:58,487 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15523 states. [2018-12-03 01:51:58,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15523 to 15178. [2018-12-03 01:51:58,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15178 states. [2018-12-03 01:51:58,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15178 states to 15178 states and 16689 transitions. [2018-12-03 01:51:58,615 INFO L78 Accepts]: Start accepts. Automaton has 15178 states and 16689 transitions. Word has length 886 [2018-12-03 01:51:58,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:51:58,616 INFO L480 AbstractCegarLoop]: Abstraction has 15178 states and 16689 transitions. [2018-12-03 01:51:58,616 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-03 01:51:58,616 INFO L276 IsEmpty]: Start isEmpty. Operand 15178 states and 16689 transitions. [2018-12-03 01:51:58,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1239 [2018-12-03 01:51:58,630 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:51:58,631 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:51:58,631 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:51:58,631 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:51:58,631 INFO L82 PathProgramCache]: Analyzing trace with hash -919756301, now seen corresponding path program 1 times [2018-12-03 01:51:58,631 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:51:58,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:51:58,632 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:51:58,632 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:51:58,632 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:51:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:52:00,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2428 backedges. 967 proven. 215 refuted. 0 times theorem prover too weak. 1246 trivial. 0 not checked. [2018-12-03 01:52:00,876 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:52:00,876 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:52:00,876 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1239 with the following transitions: [2018-12-03 01:52:00,877 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1385], [1389], [1392], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 01:52:00,879 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:52:00,879 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:52:01,233 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-03 01:52:01,233 INFO L272 AbstractInterpreter]: Visited 284 different actions 839 times. Merged at 4 different actions 7 times. Never widened. Performed 10004 root evaluator evaluations with a maximum evaluation depth of 15. Performed 10004 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-03 01:52:01,234 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:52:01,235 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-03 01:52:01,835 INFO L227 lantSequenceWeakener]: Weakened 1235 states. On average, predicates are now at 80.17% of their original sizes. [2018-12-03 01:52:01,835 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-03 01:52:01,877 INFO L418 sIntCurrentIteration]: We unified 1237 AI predicates to 1237 [2018-12-03 01:52:01,877 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-03 01:52:01,877 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:52:01,878 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 18 [2018-12-03 01:52:01,878 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:52:01,878 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 01:52:01,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 01:52:01,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:52:01,878 INFO L87 Difference]: Start difference. First operand 15178 states and 16689 transitions. Second operand 9 states. [2018-12-03 01:52:39,085 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:52:39,085 INFO L93 Difference]: Finished difference Result 26615 states and 29489 transitions. [2018-12-03 01:52:39,085 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-12-03 01:52:39,085 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1238 [2018-12-03 01:52:39,085 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:52:39,102 INFO L225 Difference]: With dead ends: 26615 [2018-12-03 01:52:39,102 INFO L226 Difference]: Without dead ends: 15184 [2018-12-03 01:52:39,113 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 1244 GetRequests, 1230 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 01:52:39,121 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15184 states. [2018-12-03 01:52:39,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15184 to 15180. [2018-12-03 01:52:39,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15180 states. [2018-12-03 01:52:39,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15180 states to 15180 states and 16689 transitions. [2018-12-03 01:52:39,241 INFO L78 Accepts]: Start accepts. Automaton has 15180 states and 16689 transitions. Word has length 1238 [2018-12-03 01:52:39,242 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:52:39,242 INFO L480 AbstractCegarLoop]: Abstraction has 15180 states and 16689 transitions. [2018-12-03 01:52:39,242 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 01:52:39,242 INFO L276 IsEmpty]: Start isEmpty. Operand 15180 states and 16689 transitions. [2018-12-03 01:52:39,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1334 [2018-12-03 01:52:39,259 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:52:39,260 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:52:39,260 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:52:39,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:52:39,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1262173170, now seen corresponding path program 1 times [2018-12-03 01:52:39,260 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:52:39,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:39,261 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:52:39,261 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:39,261 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:52:39,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:52:40,211 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 1730 proven. 661 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2018-12-03 01:52:40,212 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:52:40,212 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:52:40,212 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1334 with the following transitions: [2018-12-03 01:52:40,212 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 01:52:40,214 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:52:40,214 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:52:41,055 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:52:41,055 INFO L272 AbstractInterpreter]: Visited 286 different actions 1142 times. Merged at 9 different actions 30 times. Never widened. Performed 13779 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13779 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-03 01:52:41,057 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:52:41,057 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:52:41,057 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:52:41,057 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/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 01:52:41,063 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:52:41,063 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:52:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:52:41,195 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:52:41,590 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2018-12-03 01:52:41,590 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:52:42,033 INFO L134 CoverageAnalysis]: Checked inductivity of 3067 backedges. 327 proven. 0 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2018-12-03 01:52:42,048 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-03 01:52:42,049 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-03 01:52:42,049 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-03 01:52:42,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-03 01:52:42,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-03 01:52:42,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:52:42,050 INFO L87 Difference]: Start difference. First operand 15180 states and 16689 transitions. Second operand 3 states. [2018-12-03 01:52:42,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:52:42,584 INFO L93 Difference]: Finished difference Result 26609 states and 29482 transitions. [2018-12-03 01:52:42,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-03 01:52:42,584 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1333 [2018-12-03 01:52:42,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:52:42,604 INFO L225 Difference]: With dead ends: 26609 [2018-12-03 01:52:42,604 INFO L226 Difference]: Without dead ends: 15180 [2018-12-03 01:52:42,617 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2680 GetRequests, 2668 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-12-03 01:52:42,629 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15180 states. [2018-12-03 01:52:42,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15180 to 15180. [2018-12-03 01:52:42,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15180 states. [2018-12-03 01:52:42,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15180 states to 15180 states and 16657 transitions. [2018-12-03 01:52:42,757 INFO L78 Accepts]: Start accepts. Automaton has 15180 states and 16657 transitions. Word has length 1333 [2018-12-03 01:52:42,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:52:42,757 INFO L480 AbstractCegarLoop]: Abstraction has 15180 states and 16657 transitions. [2018-12-03 01:52:42,757 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-03 01:52:42,757 INFO L276 IsEmpty]: Start isEmpty. Operand 15180 states and 16657 transitions. [2018-12-03 01:52:42,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1406 [2018-12-03 01:52:42,774 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:52:42,775 INFO L402 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:52:42,775 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:52:42,775 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:52:42,775 INFO L82 PathProgramCache]: Analyzing trace with hash 124277750, now seen corresponding path program 1 times [2018-12-03 01:52:42,775 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:52:42,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:42,776 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:52:42,776 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:42,776 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:52:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:52:43,503 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 809 proven. 2 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2018-12-03 01:52:43,503 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:52:43,503 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:52:43,503 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1406 with the following transitions: [2018-12-03 01:52:43,503 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 01:52:43,505 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:52:43,506 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:52:44,354 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:52:44,354 INFO L272 AbstractInterpreter]: Visited 287 different actions 1147 times. Merged at 10 different actions 31 times. Never widened. Performed 13797 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13797 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 12 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-03 01:52:44,355 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:52:44,355 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:52:44,355 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:52:44,355 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/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 01:52:44,362 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:52:44,362 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:52:44,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:52:44,504 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:52:45,038 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 809 proven. 2 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2018-12-03 01:52:45,038 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:52:45,532 INFO L134 CoverageAnalysis]: Checked inductivity of 3551 backedges. 809 proven. 2 refuted. 0 times theorem prover too weak. 2740 trivial. 0 not checked. [2018-12-03 01:52:45,547 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 01:52:45,548 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-12-03 01:52:45,548 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 01:52:45,548 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-03 01:52:45,549 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-03 01:52:45,549 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-12-03 01:52:45,549 INFO L87 Difference]: Start difference. First operand 15180 states and 16657 transitions. Second operand 10 states. [2018-12-03 01:52:47,279 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:52:47,279 INFO L93 Difference]: Finished difference Result 32426 states and 35516 transitions. [2018-12-03 01:52:47,280 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-03 01:52:47,280 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1405 [2018-12-03 01:52:47,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:52:47,302 INFO L225 Difference]: With dead ends: 32426 [2018-12-03 01:52:47,302 INFO L226 Difference]: Without dead ends: 17246 [2018-12-03 01:52:47,317 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2831 GetRequests, 2812 SyntacticMatches, 4 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2018-12-03 01:52:47,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17246 states. [2018-12-03 01:52:47,451 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17246 to 16217. [2018-12-03 01:52:47,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16217 states. [2018-12-03 01:52:47,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16217 states to 16217 states and 17272 transitions. [2018-12-03 01:52:47,468 INFO L78 Accepts]: Start accepts. Automaton has 16217 states and 17272 transitions. Word has length 1405 [2018-12-03 01:52:47,469 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:52:47,469 INFO L480 AbstractCegarLoop]: Abstraction has 16217 states and 17272 transitions. [2018-12-03 01:52:47,469 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-03 01:52:47,469 INFO L276 IsEmpty]: Start isEmpty. Operand 16217 states and 17272 transitions. [2018-12-03 01:52:47,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1580 [2018-12-03 01:52:47,490 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:52:47,490 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-03 01:52:47,490 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:52:47,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:52:47,491 INFO L82 PathProgramCache]: Analyzing trace with hash 1675126946, now seen corresponding path program 1 times [2018-12-03 01:52:47,491 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:52:47,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:47,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:52:47,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:47,491 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:52:47,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:52:48,336 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 953 proven. 449 refuted. 0 times theorem prover too weak. 3733 trivial. 0 not checked. [2018-12-03 01:52:48,336 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:52:48,336 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:52:48,337 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1580 with the following transitions: [2018-12-03 01:52:48,337 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1076], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 01:52:48,339 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:52:48,340 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:52:48,940 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:52:48,940 INFO L272 AbstractInterpreter]: Visited 266 different actions 1072 times. Merged at 11 different actions 40 times. Widened at 1 different actions 1 times. Performed 12783 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12783 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-03 01:52:48,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:52:48,971 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:52:48,971 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:52:48,971 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/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 01:52:48,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:52:48,977 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:52:49,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:52:49,151 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:52:49,727 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 3357 proven. 2 refuted. 0 times theorem prover too weak. 1776 trivial. 0 not checked. [2018-12-03 01:52:49,727 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:52:50,424 INFO L134 CoverageAnalysis]: Checked inductivity of 5135 backedges. 953 proven. 449 refuted. 0 times theorem prover too weak. 3733 trivial. 0 not checked. [2018-12-03 01:52:50,440 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 01:52:50,440 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-03 01:52:50,440 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 01:52:50,441 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-03 01:52:50,441 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-03 01:52:50,441 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-03 01:52:50,441 INFO L87 Difference]: Start difference. First operand 16217 states and 17272 transitions. Second operand 9 states. [2018-12-03 01:52:51,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:52:51,671 INFO L93 Difference]: Finished difference Result 29584 states and 31314 transitions. [2018-12-03 01:52:51,672 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-03 01:52:51,672 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1579 [2018-12-03 01:52:51,673 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:52:51,689 INFO L225 Difference]: With dead ends: 29584 [2018-12-03 01:52:51,689 INFO L226 Difference]: Without dead ends: 16063 [2018-12-03 01:52:51,703 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3175 GetRequests, 3159 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 01:52:51,713 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16063 states. [2018-12-03 01:52:51,809 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16063 to 15369. [2018-12-03 01:52:51,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15369 states. [2018-12-03 01:52:51,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15369 states to 15369 states and 15907 transitions. [2018-12-03 01:52:51,821 INFO L78 Accepts]: Start accepts. Automaton has 15369 states and 15907 transitions. Word has length 1579 [2018-12-03 01:52:51,822 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:52:51,822 INFO L480 AbstractCegarLoop]: Abstraction has 15369 states and 15907 transitions. [2018-12-03 01:52:51,822 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-03 01:52:51,822 INFO L276 IsEmpty]: Start isEmpty. Operand 15369 states and 15907 transitions. [2018-12-03 01:52:51,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1581 [2018-12-03 01:52:51,838 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:52:51,839 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 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] [2018-12-03 01:52:51,839 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:52:51,839 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:52:51,839 INFO L82 PathProgramCache]: Analyzing trace with hash 306379775, now seen corresponding path program 1 times [2018-12-03 01:52:51,839 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:52:51,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:51,840 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:52:51,840 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:52:51,840 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:52:51,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:52:53,516 INFO L134 CoverageAnalysis]: Checked inductivity of 5143 backedges. 2595 proven. 61 refuted. 0 times theorem prover too weak. 2487 trivial. 0 not checked. [2018-12-03 01:52:53,516 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:52:53,516 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:52:53,516 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1581 with the following transitions: [2018-12-03 01:52:53,516 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1076], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-03 01:52:53,518 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:52:53,518 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:52:54,168 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:52:54,168 INFO L272 AbstractInterpreter]: Visited 266 different actions 1069 times. Merged at 11 different actions 37 times. Widened at 1 different actions 1 times. Performed 12725 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12725 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-03 01:52:54,170 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:52:54,170 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:52:54,170 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:52:54,170 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/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 01:52:54,176 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:52:54,177 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:52:54,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:52:54,337 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:52:55,139 INFO L134 CoverageAnalysis]: Checked inductivity of 5143 backedges. 2604 proven. 2 refuted. 0 times theorem prover too weak. 2537 trivial. 0 not checked. [2018-12-03 01:52:55,140 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:52:57,009 INFO L134 CoverageAnalysis]: Checked inductivity of 5143 backedges. 1581 proven. 170 refuted. 0 times theorem prover too weak. 3392 trivial. 0 not checked. [2018-12-03 01:52:57,025 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 01:52:57,026 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 18 [2018-12-03 01:52:57,026 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 01:52:57,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-12-03 01:52:57,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-12-03 01:52:57,027 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2018-12-03 01:52:57,027 INFO L87 Difference]: Start difference. First operand 15369 states and 15907 transitions. Second operand 16 states. [2018-12-03 01:53:03,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:53:03,747 INFO L93 Difference]: Finished difference Result 28387 states and 29441 transitions. [2018-12-03 01:53:03,747 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-03 01:53:03,747 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1580 [2018-12-03 01:53:03,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:53:03,763 INFO L225 Difference]: With dead ends: 28387 [2018-12-03 01:53:03,763 INFO L226 Difference]: Without dead ends: 15398 [2018-12-03 01:53:03,773 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3234 GetRequests, 3182 SyntacticMatches, 6 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 611 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=421, Invalid=1835, Unknown=0, NotChecked=0, Total=2256 [2018-12-03 01:53:03,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15398 states. [2018-12-03 01:53:03,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15398 to 14010. [2018-12-03 01:53:03,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14010 states. [2018-12-03 01:53:03,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14010 states to 14010 states and 14446 transitions. [2018-12-03 01:53:03,889 INFO L78 Accepts]: Start accepts. Automaton has 14010 states and 14446 transitions. Word has length 1580 [2018-12-03 01:53:03,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:53:03,890 INFO L480 AbstractCegarLoop]: Abstraction has 14010 states and 14446 transitions. [2018-12-03 01:53:03,890 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-12-03 01:53:03,890 INFO L276 IsEmpty]: Start isEmpty. Operand 14010 states and 14446 transitions. [2018-12-03 01:53:03,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2003 [2018-12-03 01:53:03,912 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:53:03,912 INFO L402 BasicCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 01:53:03,912 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:53:03,913 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:53:03,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1335635522, now seen corresponding path program 1 times [2018-12-03 01:53:03,913 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:53:03,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:53:03,913 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:53:03,913 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:53:03,913 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:53:03,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:53:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 6993 backedges. 4575 proven. 847 refuted. 0 times theorem prover too weak. 1571 trivial. 0 not checked. [2018-12-03 01:53:07,887 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:53:07,887 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:53:07,888 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2003 with the following transitions: [2018-12-03 01:53:07,888 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [117], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-03 01:53:07,890 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:53:07,890 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:53:08,825 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:53:08,825 INFO L272 AbstractInterpreter]: Visited 339 different actions 1349 times. Merged at 11 different actions 34 times. Never widened. Performed 16583 root evaluator evaluations with a maximum evaluation depth of 22. Performed 16583 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 15 fixpoints after 7 different actions. Largest state had 24 variables. [2018-12-03 01:53:08,827 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:53:08,827 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:53:08,827 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:53:08,827 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/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 01:53:08,833 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:53:08,834 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:53:09,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:53:09,028 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:53:10,313 INFO L134 CoverageAnalysis]: Checked inductivity of 6993 backedges. 4651 proven. 2 refuted. 0 times theorem prover too weak. 2340 trivial. 0 not checked. [2018-12-03 01:53:10,313 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:53:13,157 INFO L134 CoverageAnalysis]: Checked inductivity of 6993 backedges. 1393 proven. 827 refuted. 0 times theorem prover too weak. 4773 trivial. 0 not checked. [2018-12-03 01:53:13,173 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 01:53:13,173 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 5, 5] total 23 [2018-12-03 01:53:13,173 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 01:53:13,174 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2018-12-03 01:53:13,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2018-12-03 01:53:13,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=83, Invalid=423, Unknown=0, NotChecked=0, Total=506 [2018-12-03 01:53:13,175 INFO L87 Difference]: Start difference. First operand 14010 states and 14446 transitions. Second operand 21 states. [2018-12-03 01:53:16,443 WARN L180 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 57 [2018-12-03 01:53:17,551 WARN L180 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 35 [2018-12-03 01:53:19,356 WARN L180 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 35 [2018-12-03 01:53:21,228 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 35 [2018-12-03 01:53:23,839 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 31 [2018-12-03 01:53:26,872 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 48 [2018-12-03 01:53:27,524 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 41 [2018-12-03 01:53:27,677 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 29 [2018-12-03 01:53:28,371 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 56 [2018-12-03 01:53:28,641 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2018-12-03 01:53:29,140 WARN L180 SmtUtils]: Spent 325.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 56 [2018-12-03 01:53:29,628 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 39 [2018-12-03 01:53:29,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:53:29,825 INFO L93 Difference]: Finished difference Result 25346 states and 26208 transitions. [2018-12-03 01:53:29,825 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-12-03 01:53:29,825 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 2002 [2018-12-03 01:53:29,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:53:29,837 INFO L225 Difference]: With dead ends: 25346 [2018-12-03 01:53:29,837 INFO L226 Difference]: Without dead ends: 14054 [2018-12-03 01:53:29,841 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4109 GetRequests, 4039 SyntacticMatches, 4 SemanticMatches, 66 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1280 ImplicationChecksByTransitivity, 4.8s TimeCoverageRelationStatistics Valid=866, Invalid=3690, Unknown=0, NotChecked=0, Total=4556 [2018-12-03 01:53:29,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14054 states. [2018-12-03 01:53:29,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14054 to 13340. [2018-12-03 01:53:29,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13340 states. [2018-12-03 01:53:29,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13340 states to 13340 states and 13719 transitions. [2018-12-03 01:53:29,944 INFO L78 Accepts]: Start accepts. Automaton has 13340 states and 13719 transitions. Word has length 2002 [2018-12-03 01:53:29,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:53:29,945 INFO L480 AbstractCegarLoop]: Abstraction has 13340 states and 13719 transitions. [2018-12-03 01:53:29,945 INFO L481 AbstractCegarLoop]: Interpolant automaton has 21 states. [2018-12-03 01:53:29,945 INFO L276 IsEmpty]: Start isEmpty. Operand 13340 states and 13719 transitions. [2018-12-03 01:53:29,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2243 [2018-12-03 01:53:29,969 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:53:29,970 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:53:29,970 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:53:29,970 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:53:29,970 INFO L82 PathProgramCache]: Analyzing trace with hash 950903030, now seen corresponding path program 1 times [2018-12-03 01:53:29,970 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:53:29,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:53:29,971 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:53:29,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:53:29,971 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:53:30,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:53:36,694 INFO L134 CoverageAnalysis]: Checked inductivity of 9167 backedges. 1395 proven. 5684 refuted. 0 times theorem prover too weak. 2088 trivial. 0 not checked. [2018-12-03 01:53:36,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:53:36,695 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:53:36,695 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2243 with the following transitions: [2018-12-03 01:53:36,695 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [117], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [680], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1396], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-03 01:53:36,698 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:53:36,698 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:53:37,613 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:53:37,613 INFO L272 AbstractInterpreter]: Visited 341 different actions 1357 times. Merged at 11 different actions 34 times. Widened at 1 different actions 1 times. Performed 16769 root evaluator evaluations with a maximum evaluation depth of 22. Performed 16769 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 18 fixpoints after 12 different actions. Largest state had 24 variables. [2018-12-03 01:53:37,614 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:53:37,615 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:53:37,615 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:53:37,615 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/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 01:53:37,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:53:37,621 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:53:37,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:53:37,842 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:53:39,130 INFO L134 CoverageAnalysis]: Checked inductivity of 9167 backedges. 5135 proven. 2 refuted. 0 times theorem prover too weak. 4030 trivial. 0 not checked. [2018-12-03 01:53:39,130 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:53:40,837 INFO L134 CoverageAnalysis]: Checked inductivity of 9167 backedges. 1158 proven. 706 refuted. 0 times theorem prover too weak. 7303 trivial. 0 not checked. [2018-12-03 01:53:40,853 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 01:53:40,854 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-12-03 01:53:40,854 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 01:53:40,855 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-12-03 01:53:40,855 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-12-03 01:53:40,855 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2018-12-03 01:53:40,855 INFO L87 Difference]: Start difference. First operand 13340 states and 13719 transitions. Second operand 28 states. [2018-12-03 01:53:43,477 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 25 [2018-12-03 01:53:43,727 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2018-12-03 01:53:45,944 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2018-12-03 01:53:50,303 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 27 [2018-12-03 01:53:51,174 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 23 [2018-12-03 01:53:52,467 WARN L180 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 51 [2018-12-03 01:53:53,666 WARN L180 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 44 [2018-12-03 01:53:57,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:53:57,559 INFO L93 Difference]: Finished difference Result 27759 states and 28675 transitions. [2018-12-03 01:53:57,559 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-12-03 01:53:57,559 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2242 [2018-12-03 01:53:57,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:53:57,579 INFO L225 Difference]: With dead ends: 27759 [2018-12-03 01:53:57,579 INFO L226 Difference]: Without dead ends: 17149 [2018-12-03 01:53:57,590 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4634 GetRequests, 4535 SyntacticMatches, 6 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2890 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=1350, Invalid=7580, Unknown=0, NotChecked=0, Total=8930 [2018-12-03 01:53:57,601 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17149 states. [2018-12-03 01:53:57,719 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17149 to 16413. [2018-12-03 01:53:57,719 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16413 states. [2018-12-03 01:53:57,730 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16413 states to 16413 states and 16827 transitions. [2018-12-03 01:53:57,730 INFO L78 Accepts]: Start accepts. Automaton has 16413 states and 16827 transitions. Word has length 2242 [2018-12-03 01:53:57,731 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:53:57,731 INFO L480 AbstractCegarLoop]: Abstraction has 16413 states and 16827 transitions. [2018-12-03 01:53:57,731 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-12-03 01:53:57,731 INFO L276 IsEmpty]: Start isEmpty. Operand 16413 states and 16827 transitions. [2018-12-03 01:53:57,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2276 [2018-12-03 01:53:57,756 INFO L394 BasicCegarLoop]: Found error trace [2018-12-03 01:53:57,756 INFO L402 BasicCegarLoop]: trace histogram [13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-03 01:53:57,756 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-03 01:53:57,756 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:53:57,757 INFO L82 PathProgramCache]: Analyzing trace with hash -827897163, now seen corresponding path program 1 times [2018-12-03 01:53:57,757 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-03 01:53:57,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:53:57,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:53:57,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-03 01:53:57,757 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-03 01:53:57,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:54:04,474 INFO L134 CoverageAnalysis]: Checked inductivity of 9560 backedges. 1499 proven. 6082 refuted. 0 times theorem prover too weak. 1979 trivial. 0 not checked. [2018-12-03 01:54:04,474 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:54:04,474 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-03 01:54:04,475 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 2276 with the following transitions: [2018-12-03 01:54:04,475 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [117], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [559], [561], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [684], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [728], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1296], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-03 01:54:04,477 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-03 01:54:04,477 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-03 01:54:05,388 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-03 01:54:05,388 INFO L272 AbstractInterpreter]: Visited 341 different actions 1355 times. Merged at 11 different actions 32 times. Never widened. Performed 16675 root evaluator evaluations with a maximum evaluation depth of 22. Performed 16675 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 17 fixpoints after 11 different actions. Largest state had 24 variables. [2018-12-03 01:54:05,390 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-03 01:54:05,391 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-03 01:54:05,391 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-03 01:54:05,391 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-03 01:54:05,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-03 01:54:05,397 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-03 01:54:05,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-03 01:54:05,624 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-03 01:54:07,233 INFO L134 CoverageAnalysis]: Checked inductivity of 9560 backedges. 1390 proven. 55 refuted. 0 times theorem prover too weak. 8115 trivial. 0 not checked. [2018-12-03 01:54:07,233 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-03 01:54:08,716 INFO L134 CoverageAnalysis]: Checked inductivity of 9560 backedges. 1443 proven. 2 refuted. 0 times theorem prover too weak. 8115 trivial. 0 not checked. [2018-12-03 01:54:08,732 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-03 01:54:08,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 6, 6] total 32 [2018-12-03 01:54:08,733 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-03 01:54:08,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-12-03 01:54:08,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-12-03 01:54:08,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=139, Invalid=853, Unknown=0, NotChecked=0, Total=992 [2018-12-03 01:54:08,734 INFO L87 Difference]: Start difference. First operand 16413 states and 16827 transitions. Second operand 28 states. [2018-12-03 01:54:14,650 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2018-12-03 01:54:21,046 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 51 [2018-12-03 01:54:23,533 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 59 [2018-12-03 01:54:24,569 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 26 [2018-12-03 01:54:24,833 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 48 [2018-12-03 01:54:26,938 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 44 [2018-12-03 01:54:28,021 WARN L180 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 45 [2018-12-03 01:54:34,246 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-03 01:54:34,246 INFO L93 Difference]: Finished difference Result 32564 states and 33497 transitions. [2018-12-03 01:54:34,247 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 65 states. [2018-12-03 01:54:34,247 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 2275 [2018-12-03 01:54:34,247 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-03 01:54:34,247 INFO L225 Difference]: With dead ends: 32564 [2018-12-03 01:54:34,247 INFO L226 Difference]: Without dead ends: 0 [2018-12-03 01:54:34,263 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4688 GetRequests, 4592 SyntacticMatches, 7 SemanticMatches, 89 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2525 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=1274, Invalid=6916, Unknown=0, NotChecked=0, Total=8190 [2018-12-03 01:54:34,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-03 01:54:34,263 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-03 01:54:34,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-03 01:54:34,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-03 01:54:34,264 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2275 [2018-12-03 01:54:34,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-03 01:54:34,264 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-03 01:54:34,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-12-03 01:54:34,264 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-03 01:54:34,264 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-03 01:54:34,267 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-03 01:54:34,294 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:54:34,314 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:54:34,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:54:34,475 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:54:34,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:54:34,688 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:54:34,780 WARN L180 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 446 DAG size of output: 393 [2018-12-03 01:54:34,837 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:54:35,220 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:54:35,221 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:54:35,234 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:54:35,358 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:54:35,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-03 01:54:35,661 WARN L180 SmtUtils]: Spent 447.00 ms on a formula simplification. DAG size of input: 475 DAG size of output: 420 [2018-12-03 01:54:38,311 WARN L180 SmtUtils]: Spent 2.63 s on a formula simplification. DAG size of input: 394 DAG size of output: 101 [2018-12-03 01:54:41,188 WARN L180 SmtUtils]: Spent 2.80 s on a formula simplification. DAG size of input: 450 DAG size of output: 113 [2018-12-03 01:54:43,069 WARN L180 SmtUtils]: Spent 1.87 s on a formula simplification. DAG size of input: 442 DAG size of output: 112 [2018-12-03 01:54:45,603 WARN L180 SmtUtils]: Spent 2.52 s on a formula simplification. DAG size of input: 471 DAG size of output: 135 [2018-12-03 01:54:48,195 WARN L180 SmtUtils]: Spent 2.58 s on a formula simplification. DAG size of input: 418 DAG size of output: 98 [2018-12-03 01:54:48,197 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:54:48,197 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-03 01:54:48,197 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:54:48,197 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,197 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-03 01:54:48,197 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,197 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,197 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,198 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse7 (= |old(~a15~0)| ~a15~0)) (.cse5 (= ~a16~0 |old(~a16~0)|)) (.cse6 (= ~a18~0 |old(~a18~0)|)) (.cse12 (= |old(~a12~0)| ~a12~0)) (.cse20 (= 8 |old(~a12~0)|)) (.cse17 (= 6 |old(~a12~0)|))) (let ((.cse9 (not (= 5 |old(~a12~0)|))) (.cse13 (not .cse17)) (.cse19 (not (= 9 |old(~a16~0)|))) (.cse15 (not (= 7 |old(~a12~0)|))) (.cse18 (not .cse20)) (.cse2 (< 0 (+ |old(~a18~0)| 79))) (.cse8 (not (= 3 |old(~a15~0)|))) (.cse11 (= 3 ~a15~0)) (.cse1 (= 12 |old(~a16~0)|)) (.cse3 (< 7 |old(~a12~0)|)) (.cse4 (= 11 |old(~a16~0)|)) (.cse16 (not (= 9 |old(~a12~0)|))) (.cse0 (and .cse7 .cse5 .cse6 .cse12)) (.cse10 (not (= 8 |old(~a16~0)|))) (.cse14 (= 4 |old(~a15~0)|))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or (and .cse5 .cse6 (= ~a12~0 5) .cse7) .cse8 .cse9) (or .cse0 (or .cse9 .cse10)) (or .cse8 .cse2 (and .cse5 .cse11 .cse6 .cse12) .cse13) (or .cse14 (not .cse1) (< |old(~a12~0)| 6) .cse0) (or .cse14 .cse15 .cse0) (or .cse1 .cse0 .cse13 .cse4 (< |old(~a15~0)| 4)) (or .cse10 .cse16 .cse0) (or (and (and .cse5 .cse12) .cse6 (= ~a15~0 |old(~a15~0)|)) (or .cse17 .cse1 .cse14 .cse4)) (or (or .cse14 .cse18) .cse0) (or .cse0 (or .cse15 .cse19)) (or (or .cse18 .cse19) .cse0) (or .cse10 .cse15 .cse0) (or .cse10 .cse18 .cse0) (or .cse1 .cse20 (= 10 |old(~a16~0)|) .cse2 .cse0 .cse4) (or .cse1 .cse8 (<= |old(~a18~0)| 134) (and .cse5 .cse11 (or (<= (+ ~a18~0 79) 0) (< 134 ~a18~0)) .cse12) .cse4) (or .cse17 .cse1 (forall ((v_~a18~0_1172 Int)) (or (not (= (+ (* 3 v_~a18~0_1172) 599175) |old(~a18~0)|)) (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0))) .cse0 .cse3 .cse4) (or .cse14 .cse16 .cse0) (or .cse10 .cse14 (and (= |old(~a16~0)| ~a16~0) .cse7 .cse12))))) [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,199 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse9 (= 11 |old(~a16~0)|)) (.cse10 (= 8 |old(~a12~0)|))) (let ((.cse6 (= 6 |old(~a12~0)|)) (.cse22 (= |old(~a15~0)| ~a15~0)) (.cse16 (= ~a16~0 |old(~a16~0)|)) (.cse5 (= ~a18~0 |old(~a18~0)|)) (.cse4 (= |old(~a12~0)| ~a12~0)) (.cse8 (= 4 |old(~a15~0)|)) (.cse24 (not .cse10)) (.cse19 (not .cse9)) (.cse7 (= 12 |old(~a16~0)|))) (let ((.cse21 (not .cse7)) (.cse12 (not (= 7 |old(~a12~0)|))) (.cse1 (not (= 5 |old(~a12~0)|))) (.cse18 (= |calculate_output_#in~input| 0)) (.cse20 (not (= calculate_output_~input 0))) (.cse17 (= 3 ~a15~0)) (.cse13 (not (= 9 |old(~a12~0)|))) (.cse11 (< 0 (+ |old(~a18~0)| 79))) (.cse25 (< 7 |old(~a12~0)|)) (.cse14 (not (= 3 |old(~a15~0)|))) (.cse26 (or .cse8 .cse24 .cse19)) (.cse23 (not (= 9 |old(~a16~0)|))) (.cse0 (and .cse22 .cse16 .cse5 .cse4)) (.cse15 (not .cse6)) (.cse2 (not (= 8 |old(~a16~0)|))) (.cse3 (= |old(~a16~0)| ~a16~0))) (and (or .cse0 (or .cse1 .cse2)) (or (and (and .cse3 .cse4) .cse5 (= ~a15~0 |old(~a15~0)|)) (or .cse6 .cse7 .cse8 .cse9)) (or .cse7 .cse10 .cse0 (= 10 |old(~a16~0)|) .cse11 .cse9) (or .cse8 .cse12 .cse0) (or .cse2 .cse13 .cse0) (or .cse14 .cse11 .cse15 (and .cse16 .cse17 .cse5 .cse4)) (or .cse18 (or .cse14 .cse19) (not (= (+ |old(~a18~0)| 87) 0)) .cse20 .cse15) (or .cse14 .cse1 .cse21 (and .cse22 .cse20 .cse16 .cse5 .cse4) .cse18) (or .cse0 .cse8 .cse21 (< |old(~a12~0)| 6)) (or .cse2 .cse12 .cse0) (or .cse0 (or .cse12 .cse23)) (or .cse2 .cse24 .cse0) (or .cse20 (or (or .cse2 .cse14 .cse1) .cse18)) (or .cse14 .cse1 .cse19 .cse18 (and .cse20 .cse16 .cse5 (= ~a12~0 5) .cse22)) (or .cse7 .cse14 (<= |old(~a18~0)| 134) (and .cse16 .cse17 (or (<= (+ ~a18~0 79) 0) (< 134 ~a18~0)) .cse4) .cse9) (or .cse6 .cse7 (forall ((v_~a18~0_1172 Int)) (or (not (= (+ (* 3 v_~a18~0_1172) 599175) |old(~a18~0)|)) (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0))) .cse0 .cse25 .cse9) (or .cse8 .cse13 .cse0) (or .cse0 .cse26) (or .cse7 .cse11 .cse0 .cse25 .cse9) (or .cse14 (or (not (= calculate_output_~input 3)) (< 0 (+ ~a18~0 156))) .cse26) (or .cse0 (or .cse24 .cse23)) (or .cse0 .cse7 .cse15 .cse9 (< |old(~a15~0)| 4)) (or .cse2 .cse8 (and .cse3 .cse22 .cse4)))))) [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-03 01:54:48,200 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-03 01:54:48,201 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,202 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,203 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-03 01:54:48,204 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse17 (= |old(~a15~0)| ~a15~0)) (.cse8 (= ~a16~0 |old(~a16~0)|)) (.cse10 (= ~a18~0 |old(~a18~0)|)) (.cse11 (= |old(~a12~0)| ~a12~0)) (.cse21 (= 8 |old(~a12~0)|)) (.cse15 (= 6 |old(~a12~0)|))) (let ((.cse12 (not .cse15)) (.cse20 (not (= 9 |old(~a16~0)|))) (.cse14 (not (= 7 |old(~a12~0)|))) (.cse19 (not .cse21)) (.cse2 (< 0 (+ |old(~a18~0)| 79))) (.cse9 (= 3 ~a15~0)) (.cse1 (= 12 |old(~a16~0)|)) (.cse3 (< 7 |old(~a12~0)|)) (.cse4 (= 11 |old(~a16~0)|)) (.cse18 (not (= 9 |old(~a12~0)|))) (.cse0 (and .cse17 .cse8 .cse10 .cse11)) (.cse7 (not (= 3 |old(~a15~0)|))) (.cse5 (not (= 5 |old(~a12~0)|))) (.cse6 (not (= 8 |old(~a16~0)|))) (.cse13 (= 4 |old(~a15~0)|)) (.cse16 (= |old(~a16~0)| ~a16~0))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4) (or .cse0 (or .cse5 .cse6)) (or .cse7 .cse2 (and .cse8 .cse9 .cse10 .cse11) .cse12) (or .cse13 (not .cse1) (< |old(~a12~0)| 6) .cse0) (or .cse13 .cse14 .cse0) (or .cse1 .cse0 .cse12 .cse4 (< |old(~a15~0)| 4)) (or (or .cse15 .cse1 .cse13 .cse4) (and (and .cse16 .cse17) .cse10 .cse11)) (or .cse6 .cse18 .cse0) (or (or .cse13 .cse19) .cse0) (or .cse0 (or .cse14 .cse20)) (or (or .cse19 .cse20) .cse0) (or .cse6 .cse14 .cse0) (or .cse6 .cse19 .cse0) (or .cse1 .cse21 (= 10 |old(~a16~0)|) .cse2 .cse0 .cse4) (or .cse1 .cse7 (<= |old(~a18~0)| 134) (and .cse8 .cse9 (or (<= (+ ~a18~0 79) 0) (< 134 ~a18~0)) .cse11) .cse4) (or .cse15 .cse1 (forall ((v_~a18~0_1172 Int)) (or (not (= (+ (* 3 v_~a18~0_1172) 599175) |old(~a18~0)|)) (< 0 (+ v_~a18~0_1172 79)) (<= (+ v_~a18~0_1172 156) 0))) .cse0 .cse3 .cse4) (or .cse13 .cse18 .cse0) (or .cse7 .cse5 (= |calculate_output_#in~input| 0) (and .cse8 .cse10 (= ~a12~0 5) .cse17)) (or .cse6 .cse13 (and .cse16 .cse17 .cse11))))) [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-03 01:54:48,205 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 166) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,206 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,207 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,208 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-03 01:54:48,209 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,210 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,211 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,212 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5))) [2018-12-03 01:54:48,213 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (let ((.cse0 (+ ~a18~0 87))) (and (<= .cse0 0) (<= 0 .cse0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0)))) [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse5 (= 9 ~a16~0)) (.cse9 (<= ~a12~0 7)) (.cse1 (not (= ~a15~0 4))) (.cse10 (+ |old(~a18~0)| 87)) (.cse2 (= 8 ~a12~0)) (.cse11 (<= 4 ~a15~0)) (.cse16 (= 6 ~a12~0)) (.cse12 (<= |old(~a18~0)| ~a18~0)) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse0 (= 8 ~a16~0)) (.cse4 (= 7 ~a12~0)) (.cse13 (not (= main_~input~0 0))) (.cse17 (= ~a15~0 3)) (.cse14 (= ~a12~0 5)) (.cse15 (= 12 ~a16~0)) (.cse6 (<= (+ ~a18~0 79) 0)) (.cse7 (not (= ~a16~0 11))) (.cse8 (not (= ~a16~0 12)))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1) (not (= 3 |old(~a15~0)|)) (and .cse2 .cse3) (and (= 5 ~a12~0) .cse0) (and .cse4 .cse5) (and .cse0 (= 9 ~a12~0)) (and .cse6 .cse7 .cse8 .cse9) (not (= 5 |old(~a12~0)|)) (and .cse5 .cse2) (< 0 .cse10) (and (= ~a12~0 9) .cse3) (and (exists ((v_~a18~0_1172 Int)) (and (< 0 (+ v_~a18~0_1172 156)) (<= (+ v_~a18~0_1172 79) 0) (= ~a18~0 (+ (* 3 v_~a18~0_1172) 599175)))) .cse7 .cse11 .cse8 .cse9) (and .cse12 .cse13 .cse14 (= ~a15~0 |old(~a15~0)|)) (and .cse7 (not (= ~a12~0 6)) .cse1 .cse8) (and .cse15 .cse1 (<= 6 ~a12~0)) (< .cse10 0) (and .cse2 .cse0) (and .cse16 .cse7 .cse11 .cse8) (and .cse16 .cse6 .cse12 .cse3) (and .cse4 .cse3) (and .cse7 .cse17 .cse8 (< 134 ~a18~0)) (and .cse0 .cse4) (and .cse13 .cse17 .cse14 .cse15) (and (not (= 10 ~a16~0)) (not (= ~a12~0 8)) .cse6 .cse7 .cse8))) [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-03 01:54:48,213 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-03 01:54:48,214 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse5 (= 9 ~a16~0)) (.cse9 (<= ~a12~0 7)) (.cse13 (+ |old(~a18~0)| 87)) (.cse2 (= 8 ~a12~0)) (.cse14 (<= 4 ~a15~0)) (.cse16 (= 6 ~a12~0)) (.cse10 (<= |old(~a18~0)| ~a18~0)) (.cse1 (not (= ~a15~0 4))) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse0 (= 8 ~a16~0)) (.cse4 (= 7 ~a12~0)) (.cse6 (<= (+ ~a18~0 79) 0)) (.cse7 (not (= ~a16~0 11))) (.cse8 (not (= ~a16~0 12))) (.cse11 (= ~a15~0 3)) (.cse12 (= ~a12~0 5)) (.cse15 (= 12 ~a16~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1) (not (= 3 |old(~a15~0)|)) (and .cse2 .cse3) (and (= 5 ~a12~0) .cse0) (and .cse4 .cse5) (and .cse0 (= 9 ~a12~0)) (and .cse6 .cse7 .cse8 .cse9) (and .cse10 (and .cse11 .cse12)) (not (= 5 |old(~a12~0)|)) (and .cse5 .cse2) (< 0 .cse13) (and (= ~a12~0 9) .cse3) (and (exists ((v_~a18~0_1172 Int)) (and (< 0 (+ v_~a18~0_1172 156)) (<= (+ v_~a18~0_1172 79) 0) (= ~a18~0 (+ (* 3 v_~a18~0_1172) 599175)))) .cse7 .cse14 .cse8 .cse9) (and .cse15 .cse1 (<= 6 ~a12~0)) (< .cse13 0) (and .cse2 .cse0) (and .cse16 .cse7 .cse14 .cse8) (and .cse16 .cse6 .cse10 .cse3) (and .cse7 (not (= ~a12~0 6)) .cse1 .cse8) (and .cse4 .cse3) (and .cse7 .cse11 .cse8 (< 134 ~a18~0)) (and .cse0 .cse4) (and (not (= 10 ~a16~0)) (not (= ~a12~0 8)) .cse6 .cse7 .cse8) (and .cse11 .cse12 .cse15))) [2018-12-03 01:54:48,214 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-03 01:54:48,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-03 01:54:48,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-03 01:54:48,217 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-03 01:54:48,221 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-03 01:54:48,221 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-03 01:54:48,221 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-03 01:54:48,223 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 03.12 01:54:48 BoogieIcfgContainer [2018-12-03 01:54:48,223 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-03 01:54:48,223 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-03 01:54:48,223 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-03 01:54:48,223 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-03 01:54:48,224 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 03.12 01:49:00" (3/4) ... [2018-12-03 01:54:48,226 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-03 01:54:48,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-03 01:54:48,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-03 01:54:48,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-03 01:54:48,229 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-03 01:54:48,240 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-03 01:54:48,241 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-03 01:54:48,259 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((((((((((((!(11 == \old(a16)) || (8 == a16 && !(a15 == 4))) || !(3 == \old(a15))) || (8 == a12 && \old(a15) == a15)) || (5 == a12 && 8 == a16)) || (7 == a12 && 9 == a16)) || (8 == a16 && 9 == a12)) || (((a18 + 79 <= 0 && !(a16 == 11)) && !(a16 == 12)) && a12 <= 7)) || (\old(a18) <= a18 && a15 == 3 && a12 == 5)) || !(5 == \old(a12))) || (9 == a16 && 8 == a12)) || 0 < \old(a18) + 87) || (a12 == 9 && \old(a15) == a15)) || (((((\exists v_~a18~0_1172 : int :: (0 < v_~a18~0_1172 + 156 && v_~a18~0_1172 + 79 <= 0) && a18 == 3 * v_~a18~0_1172 + 599175) && !(a16 == 11)) && 4 <= a15) && !(a16 == 12)) && a12 <= 7)) || ((12 == a16 && !(a15 == 4)) && 6 <= a12)) || \old(a18) + 87 < 0) || (8 == a12 && 8 == a16)) || (((6 == a12 && !(a16 == 11)) && 4 <= a15) && !(a16 == 12))) || (((6 == a12 && a18 + 79 <= 0) && \old(a18) <= a18) && \old(a15) == a15)) || (((!(a16 == 11) && !(a12 == 6)) && !(a15 == 4)) && !(a16 == 12))) || (7 == a12 && \old(a15) == a15)) || (((!(a16 == 11) && a15 == 3) && !(a16 == 12)) && 134 < a18)) || (8 == a16 && 7 == a12)) || ((((!(10 == a16) && !(a12 == 8)) && a18 + 79 <= 0) && !(a16 == 11)) && !(a16 == 12))) || ((a15 == 3 && a12 == 5) && 12 == a16) [2018-12-03 01:54:48,330 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_864733c9-283f-4d0a-8605-b4283c7a73af/bin-2019/utaipan/witness.graphml [2018-12-03 01:54:48,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-03 01:54:48,331 INFO L168 Benchmark]: Toolchain (without parser) took 349833.29 ms. Allocated memory was 1.0 GB in the beginning and 5.3 GB in the end (delta: 4.3 GB). Free memory was 948.1 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.0 GB. Max. memory is 11.5 GB. [2018-12-03 01:54:48,332 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:54:48,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 587.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. [2018-12-03 01:54:48,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-03 01:54:48,332 INFO L168 Benchmark]: Boogie Preprocessor took 83.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2018-12-03 01:54:48,332 INFO L168 Benchmark]: RCFGBuilder took 1342.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 846.2 MB in the end (delta: 242.5 MB). Peak memory consumption was 242.5 MB. Max. memory is 11.5 GB. [2018-12-03 01:54:48,332 INFO L168 Benchmark]: TraceAbstraction took 347675.43 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.2 GB). Free memory was 839.5 MB in the beginning and 2.3 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-12-03 01:54:48,333 INFO L168 Benchmark]: Witness Printer took 107.37 ms. Allocated memory is still 5.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 MB. Max. memory is 11.5 GB. [2018-12-03 01:54:48,334 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 978.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 587.76 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 948.1 MB in the beginning and 1.1 GB in the end (delta: -147.4 MB). Peak memory consumption was 73.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.33 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.23 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1342.01 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 846.2 MB in the end (delta: 242.5 MB). Peak memory consumption was 242.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 347675.43 ms. Allocated memory was 1.2 GB in the beginning and 5.3 GB in the end (delta: 4.2 GB). Free memory was 839.5 MB in the beginning and 2.3 GB in the end (delta: -1.5 GB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. * Witness Printer took 107.37 ms. Allocated memory is still 5.3 GB. Free memory was 2.3 GB in the beginning and 2.2 GB in the end (delta: 80.2 MB). Peak memory consumption was 80.2 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_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 166]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1773]: Loop Invariant [2018-12-03 01:54:48,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-03 01:54:48,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-03 01:54:48,336 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-03 01:54:48,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-03 01:54:48,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] [2018-12-03 01:54:48,337 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_~a18~0_1172,QUANTIFIED] Derived loop invariant: (((((((((((((((((((((((!(11 == \old(a16)) || (8 == a16 && !(a15 == 4))) || !(3 == \old(a15))) || (8 == a12 && \old(a15) == a15)) || (5 == a12 && 8 == a16)) || (7 == a12 && 9 == a16)) || (8 == a16 && 9 == a12)) || (((a18 + 79 <= 0 && !(a16 == 11)) && !(a16 == 12)) && a12 <= 7)) || (\old(a18) <= a18 && a15 == 3 && a12 == 5)) || !(5 == \old(a12))) || (9 == a16 && 8 == a12)) || 0 < \old(a18) + 87) || (a12 == 9 && \old(a15) == a15)) || (((((\exists v_~a18~0_1172 : int :: (0 < v_~a18~0_1172 + 156 && v_~a18~0_1172 + 79 <= 0) && a18 == 3 * v_~a18~0_1172 + 599175) && !(a16 == 11)) && 4 <= a15) && !(a16 == 12)) && a12 <= 7)) || ((12 == a16 && !(a15 == 4)) && 6 <= a12)) || \old(a18) + 87 < 0) || (8 == a12 && 8 == a16)) || (((6 == a12 && !(a16 == 11)) && 4 <= a15) && !(a16 == 12))) || (((6 == a12 && a18 + 79 <= 0) && \old(a18) <= a18) && \old(a15) == a15)) || (((!(a16 == 11) && !(a12 == 6)) && !(a15 == 4)) && !(a16 == 12))) || (7 == a12 && \old(a15) == a15)) || (((!(a16 == 11) && a15 == 3) && !(a16 == 12)) && 134 < a18)) || (8 == a16 && 7 == a12)) || ((((!(10 == a16) && !(a12 == 8)) && a18 + 79 <= 0) && !(a16 == 11)) && !(a16 == 12))) || ((a15 == 3 && a12 == 5) && 12 == a16) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 347.6s OverallTime, 19 OverallIterations, 13 TraceHistogramMax, 276.2s AutomataDifference, 0.0s DeadEndRemovalTime, 13.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2121 SDtfs, 52076 SDslu, 3549 SDs, 0 SdLazy, 98714 SolverSat, 8443 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 234.8s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 31209 GetRequests, 30716 SyntacticMatches, 44 SemanticMatches, 449 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7633 ImplicationChecksByTransitivity, 14.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16413occurred in iteration=18, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 7.6s AbstIntTime, 13 AbstIntIterations, 4 AbstIntStrong, 0.9983529942850988 AbsIntWeakeningRatio, 0.04995070653959908 AbsIntAvgWeakeningVarsNumRemoved, 16.194544857048964 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.7s AutomataMinimizationTime, 19 MinimizatonAttempts, 8492 StatesRemovedByMinimization, 17 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1927 PreInvPairs, 2182 NumberOfFragments, 2215 HoareAnnotationTreeSize, 1927 FomulaSimplifications, 322258 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 300191 FormulaSimplificationTreeSizeReductionInter, 12.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.5s SsaConstructionTime, 1.6s SatisfiabilityAnalysisTime, 21.4s InterpolantComputationTime, 32235 NumberOfCodeBlocks, 32235 NumberOfCodeBlocksAsserted, 28 NumberOfCheckSat, 45958 ConstructedInterpolants, 68 QuantifiedInterpolants, 285638661 SizeOfPredicates, 8 NumberOfNonLiveVariables, 17675 ConjunctsInSsa, 51 ConjunctsInUnsatCore, 37 InterpolantComputations, 8 PerfectInterpolantSequences, 122347/139798 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...