./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label29_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label29_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/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 b58a35b82358ba5160d6216f8f839a69fd1d9edf .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:36:30,397 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:36:30,399 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:36:30,407 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:36:30,407 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:36:30,408 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:36:30,409 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:36:30,410 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:36:30,411 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:36:30,411 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:36:30,412 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:36:30,412 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:36:30,413 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:36:30,413 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:36:30,414 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:36:30,415 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:36:30,415 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:36:30,416 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:36:30,418 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:36:30,418 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:36:30,419 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:36:30,420 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:36:30,421 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:36:30,422 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:36:30,422 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:36:30,422 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:36:30,423 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:36:30,424 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:36:30,424 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:36:30,425 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:36:30,425 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:36:30,425 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:36:30,425 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:36:30,426 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:36:30,426 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:36:30,427 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:36:30,427 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-22 23:36:30,438 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:36:30,438 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:36:30,439 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:36:30,439 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-22 23:36:30,439 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-22 23:36:30,439 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-22 23:36:30,439 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-22 23:36:30,439 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-22 23:36:30,439 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-22 23:36:30,439 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-22 23:36:30,440 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-22 23:36:30,440 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-22 23:36:30,440 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-22 23:36:30,440 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:36:30,440 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:36:30,441 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:36:30,441 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:36:30,441 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:36:30,441 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:36:30,441 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:36:30,441 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:36:30,441 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:36:30,441 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:36:30,442 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:36:30,442 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:36:30,442 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:36:30,442 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-22 23:36:30,442 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:36:30,442 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-22 23:36:30,442 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:36:30,442 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:36:30,443 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:36:30,443 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:36:30,443 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-22 23:36:30,443 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:36:30,443 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:36:30,443 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-22 23:36:30,443 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_15a0ea02-f11e-4432-a127-32be8b491aa3/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 -> b58a35b82358ba5160d6216f8f839a69fd1d9edf [2018-11-22 23:36:30,465 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:36:30,474 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:36:30,477 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:36:30,478 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:36:30,479 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:36:30,479 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label29_true-unreach-call.c [2018-11-22 23:36:30,514 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/data/ea87b132c/b1a1b4b82de74573b38924bf96855df2/FLAGc010ddb57 [2018-11-22 23:36:30,997 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:36:30,998 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/sv-benchmarks/c/eca-rers2012/Problem16_label29_true-unreach-call.c [2018-11-22 23:36:31,011 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/data/ea87b132c/b1a1b4b82de74573b38924bf96855df2/FLAGc010ddb57 [2018-11-22 23:36:31,500 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/data/ea87b132c/b1a1b4b82de74573b38924bf96855df2 [2018-11-22 23:36:31,502 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:36:31,503 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:36:31,504 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:36:31,504 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:36:31,506 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:36:31,506 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:36:31" (1/1) ... [2018-11-22 23:36:31,508 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3128d31d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:31, skipping insertion in model container [2018-11-22 23:36:31,508 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:36:31" (1/1) ... [2018-11-22 23:36:31,514 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:36:31,560 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:36:31,941 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:36:31,944 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:36:32,088 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:36:32,098 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:36:32,098 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:32 WrapperNode [2018-11-22 23:36:32,098 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:36:32,099 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:36:32,099 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:36:32,099 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:36:32,185 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:32" (1/1) ... [2018-11-22 23:36:32,204 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:32" (1/1) ... [2018-11-22 23:36:32,211 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:36:32,212 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:36:32,212 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:36:32,212 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:36:32,220 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:32" (1/1) ... [2018-11-22 23:36:32,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:32" (1/1) ... [2018-11-22 23:36:32,225 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:32" (1/1) ... [2018-11-22 23:36:32,226 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:32" (1/1) ... [2018-11-22 23:36:32,253 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:32" (1/1) ... [2018-11-22 23:36:32,263 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:32" (1/1) ... [2018-11-22 23:36:32,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:32" (1/1) ... [2018-11-22 23:36:32,282 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:36:32,282 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:36:32,282 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:36:32,282 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:36:32,283 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:32" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-22 23:36:32,333 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 23:36:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-22 23:36:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-22 23:36:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-22 23:36:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-22 23:36:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-22 23:36:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-22 23:36:32,334 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:36:32,334 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:36:32,335 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-22 23:36:32,335 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-22 23:36:33,672 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:36:33,673 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-22 23:36:33,673 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:36:33 BoogieIcfgContainer [2018-11-22 23:36:33,673 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:36:33,674 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-22 23:36:33,674 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-22 23:36:33,676 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-22 23:36:33,676 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 11:36:31" (1/3) ... [2018-11-22 23:36:33,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ac6820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:36:33, skipping insertion in model container [2018-11-22 23:36:33,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:36:32" (2/3) ... [2018-11-22 23:36:33,677 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@51ac6820 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 11:36:33, skipping insertion in model container [2018-11-22 23:36:33,677 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:36:33" (3/3) ... [2018-11-22 23:36:33,679 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label29_true-unreach-call.c [2018-11-22 23:36:33,700 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-22 23:36:33,707 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-22 23:36:33,717 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-22 23:36:33,740 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-22 23:36:33,740 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-22 23:36:33,740 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-22 23:36:33,740 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-22 23:36:33,740 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-22 23:36:33,740 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-22 23:36:33,741 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-22 23:36:33,741 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-22 23:36:33,765 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-11-22 23:36:33,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-22 23:36:33,770 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:36:33,771 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] [2018-11-22 23:36:33,772 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:36:33,776 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:36:33,776 INFO L82 PathProgramCache]: Analyzing trace with hash -1301398987, now seen corresponding path program 1 times [2018-11-22 23:36:33,778 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:36:33,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:33,808 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:36:33,808 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:33,808 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:36:33,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:36:33,973 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:36:33,974 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:36:33,975 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-22 23:36:33,975 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:36:33,978 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:36:33,985 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:36:33,986 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:36:33,987 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-11-22 23:36:35,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:36:35,231 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-11-22 23:36:35,231 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:36:35,232 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-22 23:36:35,232 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:36:35,246 INFO L225 Difference]: With dead ends: 1153 [2018-11-22 23:36:35,246 INFO L226 Difference]: Without dead ends: 742 [2018-11-22 23:36:35,252 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-22 23:36:35,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2018-11-22 23:36:35,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 742. [2018-11-22 23:36:35,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 742 states. [2018-11-22 23:36:35,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 742 states and 1327 transitions. [2018-11-22 23:36:35,317 INFO L78 Accepts]: Start accepts. Automaton has 742 states and 1327 transitions. Word has length 52 [2018-11-22 23:36:35,318 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:36:35,318 INFO L480 AbstractCegarLoop]: Abstraction has 742 states and 1327 transitions. [2018-11-22 23:36:35,318 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:36:35,318 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 1327 transitions. [2018-11-22 23:36:35,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-22 23:36:35,323 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:36:35,323 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:36:35,324 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:36:35,324 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:36:35,324 INFO L82 PathProgramCache]: Analyzing trace with hash -740813347, now seen corresponding path program 1 times [2018-11-22 23:36:35,324 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:36:35,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:35,325 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:36:35,325 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:35,325 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:36:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:36:35,500 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:36:35,501 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:36:35,501 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:36:35,501 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:36:35,502 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:36:35,503 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:36:35,503 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:36:35,503 INFO L87 Difference]: Start difference. First operand 742 states and 1327 transitions. Second operand 6 states. [2018-11-22 23:36:37,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:36:37,530 INFO L93 Difference]: Finished difference Result 2176 states and 3901 transitions. [2018-11-22 23:36:37,531 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:36:37,531 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 159 [2018-11-22 23:36:37,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:36:37,543 INFO L225 Difference]: With dead ends: 2176 [2018-11-22 23:36:37,543 INFO L226 Difference]: Without dead ends: 1440 [2018-11-22 23:36:37,547 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:36:37,548 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1440 states. [2018-11-22 23:36:37,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1440 to 1421. [2018-11-22 23:36:37,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1421 states. [2018-11-22 23:36:37,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1421 states to 1421 states and 2236 transitions. [2018-11-22 23:36:37,587 INFO L78 Accepts]: Start accepts. Automaton has 1421 states and 2236 transitions. Word has length 159 [2018-11-22 23:36:37,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:36:37,588 INFO L480 AbstractCegarLoop]: Abstraction has 1421 states and 2236 transitions. [2018-11-22 23:36:37,588 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:36:37,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1421 states and 2236 transitions. [2018-11-22 23:36:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-22 23:36:37,590 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:36:37,591 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:36:37,591 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:36:37,591 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:36:37,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1072071420, now seen corresponding path program 1 times [2018-11-22 23:36:37,591 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:36:37,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:37,592 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:36:37,592 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:37,592 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:36:37,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:36:37,718 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:36:37,719 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-22 23:36:37,719 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-22 23:36:37,719 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:36:37,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:36:37,720 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:36:37,720 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:36:37,720 INFO L87 Difference]: Start difference. First operand 1421 states and 2236 transitions. Second operand 6 states. [2018-11-22 23:36:39,243 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:36:39,243 INFO L93 Difference]: Finished difference Result 3892 states and 6341 transitions. [2018-11-22 23:36:39,244 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-22 23:36:39,244 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 162 [2018-11-22 23:36:39,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:36:39,251 INFO L225 Difference]: With dead ends: 3892 [2018-11-22 23:36:39,252 INFO L226 Difference]: Without dead ends: 2477 [2018-11-22 23:36:39,255 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:36:39,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2477 states. [2018-11-22 23:36:39,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2477 to 2468. [2018-11-22 23:36:39,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2468 states. [2018-11-22 23:36:39,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2468 states and 3738 transitions. [2018-11-22 23:36:39,308 INFO L78 Accepts]: Start accepts. Automaton has 2468 states and 3738 transitions. Word has length 162 [2018-11-22 23:36:39,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:36:39,309 INFO L480 AbstractCegarLoop]: Abstraction has 2468 states and 3738 transitions. [2018-11-22 23:36:39,309 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:36:39,309 INFO L276 IsEmpty]: Start isEmpty. Operand 2468 states and 3738 transitions. [2018-11-22 23:36:39,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-11-22 23:36:39,312 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:36:39,313 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:36:39,313 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:36:39,313 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:36:39,313 INFO L82 PathProgramCache]: Analyzing trace with hash -1495259620, now seen corresponding path program 1 times [2018-11-22 23:36:39,313 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:36:39,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:39,314 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:36:39,314 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:36:39,314 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:36:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:36:39,455 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 90 proven. 106 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 23:36:39,455 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:36:39,455 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:36:39,456 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 278 with the following transitions: [2018-11-22 23:36:39,457 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:36:39,482 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:36:39,482 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:36:39,789 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:36:39,790 INFO L272 AbstractInterpreter]: Visited 120 different actions 120 times. Never merged. Never widened. Performed 1095 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1095 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-22 23:36:39,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:36:39,803 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:36:40,190 INFO L227 lantSequenceWeakener]: Weakened 268 states. On average, predicates are now at 77.86% of their original sizes. [2018-11-22 23:36:40,190 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:36:40,215 INFO L415 sIntCurrentIteration]: We unified 276 AI predicates to 276 [2018-11-22 23:36:40,216 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:36:40,216 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:36:40,217 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-22 23:36:40,217 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:36:40,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-22 23:36:40,217 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-22 23:36:40,217 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-22 23:36:40,219 INFO L87 Difference]: Start difference. First operand 2468 states and 3738 transitions. Second operand 6 states. [2018-11-22 23:37:01,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:37:01,875 INFO L93 Difference]: Finished difference Result 5268 states and 7953 transitions. [2018-11-22 23:37:01,875 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-22 23:37:01,875 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 277 [2018-11-22 23:37:01,875 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:37:01,881 INFO L225 Difference]: With dead ends: 5268 [2018-11-22 23:37:01,881 INFO L226 Difference]: Without dead ends: 2806 [2018-11-22 23:37:01,884 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 277 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-22 23:37:01,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2806 states. [2018-11-22 23:37:01,915 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2806 to 2805. [2018-11-22 23:37:01,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2805 states. [2018-11-22 23:37:01,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2805 states to 2805 states and 4082 transitions. [2018-11-22 23:37:01,920 INFO L78 Accepts]: Start accepts. Automaton has 2805 states and 4082 transitions. Word has length 277 [2018-11-22 23:37:01,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:37:01,921 INFO L480 AbstractCegarLoop]: Abstraction has 2805 states and 4082 transitions. [2018-11-22 23:37:01,921 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-22 23:37:01,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2805 states and 4082 transitions. [2018-11-22 23:37:01,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2018-11-22 23:37:01,924 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:37:01,924 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:37:01,925 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:37:01,925 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:37:01,925 INFO L82 PathProgramCache]: Analyzing trace with hash 563458644, now seen corresponding path program 1 times [2018-11-22 23:37:01,925 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:37:01,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:37:01,926 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:37:01,926 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:37:01,926 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:37:01,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:37:02,074 INFO L134 CoverageAnalysis]: Checked inductivity of 427 backedges. 228 proven. 110 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-22 23:37:02,075 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:37:02,075 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:37:02,075 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 369 with the following transitions: [2018-11-22 23:37:02,075 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:37:02,078 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:37:02,078 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:37:02,299 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:37:02,299 INFO L272 AbstractInterpreter]: Visited 124 different actions 359 times. Merged at 4 different actions 7 times. Never widened. Performed 3526 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3526 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-22 23:37:02,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:37:02,311 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:37:02,648 INFO L227 lantSequenceWeakener]: Weakened 365 states. On average, predicates are now at 80.46% of their original sizes. [2018-11-22 23:37:02,648 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:37:02,725 INFO L415 sIntCurrentIteration]: We unified 367 AI predicates to 367 [2018-11-22 23:37:02,726 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:37:02,726 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:37:02,726 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 14 [2018-11-22 23:37:02,726 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:37:02,726 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 23:37:02,727 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 23:37:02,727 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:37:02,727 INFO L87 Difference]: Start difference. First operand 2805 states and 4082 transitions. Second operand 10 states. [2018-11-22 23:38:14,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:38:14,090 INFO L93 Difference]: Finished difference Result 8037 states and 11681 transitions. [2018-11-22 23:38:14,090 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-22 23:38:14,090 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 368 [2018-11-22 23:38:14,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:38:14,108 INFO L225 Difference]: With dead ends: 8037 [2018-11-22 23:38:14,108 INFO L226 Difference]: Without dead ends: 5575 [2018-11-22 23:38:14,117 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 377 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-22 23:38:14,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5575 states. [2018-11-22 23:38:14,209 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5575 to 5556. [2018-11-22 23:38:14,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5556 states. [2018-11-22 23:38:14,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5556 states to 5556 states and 7089 transitions. [2018-11-22 23:38:14,221 INFO L78 Accepts]: Start accepts. Automaton has 5556 states and 7089 transitions. Word has length 368 [2018-11-22 23:38:14,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:38:14,221 INFO L480 AbstractCegarLoop]: Abstraction has 5556 states and 7089 transitions. [2018-11-22 23:38:14,221 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 23:38:14,221 INFO L276 IsEmpty]: Start isEmpty. Operand 5556 states and 7089 transitions. [2018-11-22 23:38:14,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 517 [2018-11-22 23:38:14,232 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:38:14,233 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:38:14,233 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:38:14,233 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:38:14,233 INFO L82 PathProgramCache]: Analyzing trace with hash 1047245756, now seen corresponding path program 1 times [2018-11-22 23:38:14,234 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:38:14,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:38:14,234 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:38:14,234 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:38:14,235 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:38:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:38:14,888 INFO L134 CoverageAnalysis]: Checked inductivity of 470 backedges. 243 proven. 123 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-11-22 23:38:14,888 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:38:14,889 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:38:14,889 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 517 with the following transitions: [2018-11-22 23:38:14,889 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:38:14,893 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:38:14,893 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:38:15,044 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:38:15,044 INFO L272 AbstractInterpreter]: Visited 248 different actions 490 times. Merged at 4 different actions 4 times. Never widened. Performed 5191 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5191 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-22 23:38:15,045 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:38:15,045 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:38:15,305 INFO L227 lantSequenceWeakener]: Weakened 513 states. On average, predicates are now at 77.61% of their original sizes. [2018-11-22 23:38:15,305 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:38:15,352 INFO L415 sIntCurrentIteration]: We unified 515 AI predicates to 515 [2018-11-22 23:38:15,352 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:38:15,352 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:38:15,352 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-22 23:38:15,352 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:38:15,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 23:38:15,353 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 23:38:15,353 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:38:15,353 INFO L87 Difference]: Start difference. First operand 5556 states and 7089 transitions. Second operand 10 states. [2018-11-22 23:38:54,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:38:54,105 INFO L93 Difference]: Finished difference Result 11110 states and 14319 transitions. [2018-11-22 23:38:54,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-22 23:38:54,105 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 516 [2018-11-22 23:38:54,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:38:54,116 INFO L225 Difference]: With dead ends: 11110 [2018-11-22 23:38:54,116 INFO L226 Difference]: Without dead ends: 5897 [2018-11-22 23:38:54,124 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 523 GetRequests, 507 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-22 23:38:54,127 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5897 states. [2018-11-22 23:38:54,182 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5897 to 5895. [2018-11-22 23:38:54,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5895 states. [2018-11-22 23:38:54,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5895 states to 5895 states and 7444 transitions. [2018-11-22 23:38:54,190 INFO L78 Accepts]: Start accepts. Automaton has 5895 states and 7444 transitions. Word has length 516 [2018-11-22 23:38:54,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:38:54,190 INFO L480 AbstractCegarLoop]: Abstraction has 5895 states and 7444 transitions. [2018-11-22 23:38:54,190 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 23:38:54,190 INFO L276 IsEmpty]: Start isEmpty. Operand 5895 states and 7444 transitions. [2018-11-22 23:38:54,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2018-11-22 23:38:54,200 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:38:54,200 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 23:38:54,200 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:38:54,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:38:54,201 INFO L82 PathProgramCache]: Analyzing trace with hash 135352452, now seen corresponding path program 1 times [2018-11-22 23:38:54,201 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:38:54,201 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:38:54,201 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:38:54,202 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:38:54,202 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:38:54,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:38:55,002 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 277 proven. 223 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-11-22 23:38:55,002 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:38:55,002 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:38:55,003 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 608 with the following transitions: [2018-11-22 23:38:55,003 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [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], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:38:55,008 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:38:55,008 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:38:55,471 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:38:55,471 INFO L272 AbstractInterpreter]: Visited 250 different actions 1243 times. Merged at 8 different actions 36 times. Widened at 1 different actions 1 times. Performed 15054 root evaluator evaluations with a maximum evaluation depth of 17. Performed 15054 inverse root evaluator evaluations with a maximum inverse evaluation depth of 17. Found 9 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-22 23:38:55,473 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:38:55,473 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:38:55,473 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:38:55,473 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:38:55,480 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:38:55,480 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:38:55,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:38:55,590 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:38:55,788 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 584 proven. 2 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-11-22 23:38:55,789 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:38:56,176 INFO L134 CoverageAnalysis]: Checked inductivity of 788 backedges. 277 proven. 223 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2018-11-22 23:38:56,192 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:38:56,192 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 18 [2018-11-22 23:38:56,192 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:38:56,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-22 23:38:56,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-22 23:38:56,193 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=66, Invalid=240, Unknown=0, NotChecked=0, Total=306 [2018-11-22 23:38:56,194 INFO L87 Difference]: Start difference. First operand 5895 states and 7444 transitions. Second operand 15 states. [2018-11-22 23:39:02,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:39:02,108 INFO L93 Difference]: Finished difference Result 14231 states and 18060 transitions. [2018-11-22 23:39:02,108 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-22 23:39:02,108 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 607 [2018-11-22 23:39:02,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:39:02,119 INFO L225 Difference]: With dead ends: 14231 [2018-11-22 23:39:02,119 INFO L226 Difference]: Without dead ends: 6139 [2018-11-22 23:39:02,139 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1302 GetRequests, 1244 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1018 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=778, Invalid=2762, Unknown=0, NotChecked=0, Total=3540 [2018-11-22 23:39:02,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6139 states. [2018-11-22 23:39:02,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6139 to 5949. [2018-11-22 23:39:02,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5949 states. [2018-11-22 23:39:02,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5949 states to 5949 states and 6533 transitions. [2018-11-22 23:39:02,198 INFO L78 Accepts]: Start accepts. Automaton has 5949 states and 6533 transitions. Word has length 607 [2018-11-22 23:39:02,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:39:02,198 INFO L480 AbstractCegarLoop]: Abstraction has 5949 states and 6533 transitions. [2018-11-22 23:39:02,198 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-22 23:39:02,198 INFO L276 IsEmpty]: Start isEmpty. Operand 5949 states and 6533 transitions. [2018-11-22 23:39:02,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2018-11-22 23:39:02,202 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:39:02,202 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:39:02,203 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:39:02,203 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:02,203 INFO L82 PathProgramCache]: Analyzing trace with hash 635033833, now seen corresponding path program 1 times [2018-11-22 23:39:02,203 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:39:02,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:02,204 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:02,204 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:02,204 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:39:02,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:02,513 INFO L134 CoverageAnalysis]: Checked inductivity of 815 backedges. 190 proven. 389 refuted. 0 times theorem prover too weak. 236 trivial. 0 not checked. [2018-11-22 23:39:02,513 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:02,513 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:39:02,514 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 625 with the following transitions: [2018-11-22 23:39:02,514 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [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], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:39:02,517 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:39:02,518 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:39:02,766 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-22 23:39:02,766 INFO L272 AbstractInterpreter]: Visited 257 different actions 763 times. Merged at 6 different actions 12 times. Never widened. Performed 8945 root evaluator evaluations with a maximum evaluation depth of 10. Performed 8945 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-22 23:39:02,769 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:02,770 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-22 23:39:03,088 INFO L227 lantSequenceWeakener]: Weakened 621 states. On average, predicates are now at 80.31% of their original sizes. [2018-11-22 23:39:03,088 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-22 23:39:03,124 INFO L415 sIntCurrentIteration]: We unified 623 AI predicates to 623 [2018-11-22 23:39:03,124 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-22 23:39:03,124 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:39:03,125 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-22 23:39:03,125 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:39:03,125 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 23:39:03,125 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 23:39:03,126 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:39:03,126 INFO L87 Difference]: Start difference. First operand 5949 states and 6533 transitions. Second operand 9 states. [2018-11-22 23:39:18,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:39:18,191 INFO L93 Difference]: Finished difference Result 12420 states and 13714 transitions. [2018-11-22 23:39:18,191 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-22 23:39:18,191 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 624 [2018-11-22 23:39:18,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:39:18,203 INFO L225 Difference]: With dead ends: 12420 [2018-11-22 23:39:18,203 INFO L226 Difference]: Without dead ends: 7153 [2018-11-22 23:39:18,208 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 630 GetRequests, 616 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-22 23:39:18,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7153 states. [2018-11-22 23:39:18,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7153 to 7134. [2018-11-22 23:39:18,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7134 states. [2018-11-22 23:39:18,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7134 states to 7134 states and 7742 transitions. [2018-11-22 23:39:18,278 INFO L78 Accepts]: Start accepts. Automaton has 7134 states and 7742 transitions. Word has length 624 [2018-11-22 23:39:18,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:39:18,279 INFO L480 AbstractCegarLoop]: Abstraction has 7134 states and 7742 transitions. [2018-11-22 23:39:18,279 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 23:39:18,279 INFO L276 IsEmpty]: Start isEmpty. Operand 7134 states and 7742 transitions. [2018-11-22 23:39:18,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 754 [2018-11-22 23:39:18,285 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:39:18,285 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:39:18,286 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:39:18,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:18,286 INFO L82 PathProgramCache]: Analyzing trace with hash 1486348371, now seen corresponding path program 1 times [2018-11-22 23:39:18,286 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:39:18,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:18,287 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:18,287 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:18,287 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:39:18,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:19,048 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 472 proven. 511 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2018-11-22 23:39:19,048 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:19,048 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:39:19,049 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 754 with the following transitions: [2018-11-22 23:39:19,049 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [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], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:39:19,051 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:39:19,051 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:39:19,650 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:39:19,650 INFO L272 AbstractInterpreter]: Visited 259 different actions 1290 times. Merged at 9 different actions 38 times. Never widened. Performed 15742 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15742 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-22 23:39:19,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:19,653 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:39:19,653 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:19,653 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:39:19,659 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:19,659 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:39:19,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:19,758 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:39:19,941 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 943 proven. 2 refuted. 0 times theorem prover too weak. 369 trivial. 0 not checked. [2018-11-22 23:39:19,941 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:39:20,178 INFO L134 CoverageAnalysis]: Checked inductivity of 1314 backedges. 571 proven. 110 refuted. 0 times theorem prover too weak. 633 trivial. 0 not checked. [2018-11-22 23:39:20,193 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:39:20,193 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-22 23:39:20,193 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:39:20,194 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-22 23:39:20,194 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-22 23:39:20,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-22 23:39:20,194 INFO L87 Difference]: Start difference. First operand 7134 states and 7742 transitions. Second operand 15 states. [2018-11-22 23:39:24,977 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:39:24,977 INFO L93 Difference]: Finished difference Result 19597 states and 21733 transitions. [2018-11-22 23:39:24,977 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-22 23:39:24,977 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 753 [2018-11-22 23:39:24,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:39:24,999 INFO L225 Difference]: With dead ends: 19597 [2018-11-22 23:39:25,000 INFO L226 Difference]: Without dead ends: 13145 [2018-11-22 23:39:25,011 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1597 GetRequests, 1538 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1001 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=680, Invalid=2742, Unknown=0, NotChecked=0, Total=3422 [2018-11-22 23:39:25,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13145 states. [2018-11-22 23:39:25,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13145 to 11170. [2018-11-22 23:39:25,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11170 states. [2018-11-22 23:39:25,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11170 states to 11170 states and 12169 transitions. [2018-11-22 23:39:25,131 INFO L78 Accepts]: Start accepts. Automaton has 11170 states and 12169 transitions. Word has length 753 [2018-11-22 23:39:25,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:39:25,132 INFO L480 AbstractCegarLoop]: Abstraction has 11170 states and 12169 transitions. [2018-11-22 23:39:25,132 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-22 23:39:25,132 INFO L276 IsEmpty]: Start isEmpty. Operand 11170 states and 12169 transitions. [2018-11-22 23:39:25,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1080 [2018-11-22 23:39:25,143 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:39:25,144 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:39:25,144 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:39:25,144 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:25,144 INFO L82 PathProgramCache]: Analyzing trace with hash -379927405, now seen corresponding path program 1 times [2018-11-22 23:39:25,144 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:39:25,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:25,145 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:25,145 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:25,145 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:39:25,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:25,668 INFO L134 CoverageAnalysis]: Checked inductivity of 2633 backedges. 768 proven. 223 refuted. 0 times theorem prover too weak. 1642 trivial. 0 not checked. [2018-11-22 23:39:25,668 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:25,668 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:39:25,668 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1080 with the following transitions: [2018-11-22 23:39:25,669 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [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], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:39:25,671 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:39:25,671 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:39:26,191 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:39:26,191 INFO L272 AbstractInterpreter]: Visited 253 different actions 1017 times. Merged at 11 different actions 37 times. Never widened. Performed 11922 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11922 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-22 23:39:26,192 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:26,192 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:39:26,192 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:26,192 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:39:26,198 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:26,198 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:39:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:26,351 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:39:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 2633 backedges. 1750 proven. 2 refuted. 0 times theorem prover too weak. 881 trivial. 0 not checked. [2018-11-22 23:39:26,720 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:39:27,147 INFO L134 CoverageAnalysis]: Checked inductivity of 2633 backedges. 768 proven. 223 refuted. 0 times theorem prover too weak. 1642 trivial. 0 not checked. [2018-11-22 23:39:27,163 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:39:27,164 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-22 23:39:27,164 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:39:27,165 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 23:39:27,165 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 23:39:27,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:39:27,165 INFO L87 Difference]: Start difference. First operand 11170 states and 12169 transitions. Second operand 9 states. [2018-11-22 23:39:28,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:39:28,717 INFO L93 Difference]: Finished difference Result 23315 states and 25708 transitions. [2018-11-22 23:39:28,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-22 23:39:28,717 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1079 [2018-11-22 23:39:28,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:39:28,743 INFO L225 Difference]: With dead ends: 23315 [2018-11-22 23:39:28,744 INFO L226 Difference]: Without dead ends: 12871 [2018-11-22 23:39:28,761 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2175 GetRequests, 2159 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-22 23:39:28,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12871 states. [2018-11-22 23:39:28,901 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12871 to 12795. [2018-11-22 23:39:28,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12795 states. [2018-11-22 23:39:28,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12795 states to 12795 states and 13783 transitions. [2018-11-22 23:39:28,919 INFO L78 Accepts]: Start accepts. Automaton has 12795 states and 13783 transitions. Word has length 1079 [2018-11-22 23:39:28,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:39:28,920 INFO L480 AbstractCegarLoop]: Abstraction has 12795 states and 13783 transitions. [2018-11-22 23:39:28,920 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 23:39:28,920 INFO L276 IsEmpty]: Start isEmpty. Operand 12795 states and 13783 transitions. [2018-11-22 23:39:28,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1081 [2018-11-22 23:39:28,937 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:39:28,938 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, 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, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-22 23:39:28,938 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:39:28,938 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:28,938 INFO L82 PathProgramCache]: Analyzing trace with hash 85379184, now seen corresponding path program 1 times [2018-11-22 23:39:28,938 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:39:28,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:28,939 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:28,939 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:28,939 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:39:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:29,762 INFO L134 CoverageAnalysis]: Checked inductivity of 2639 backedges. 943 proven. 110 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2018-11-22 23:39:29,763 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:29,763 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:39:29,763 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1081 with the following transitions: [2018-11-22 23:39:29,763 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [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], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:39:29,766 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:39:29,766 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:39:30,263 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:39:30,263 INFO L272 AbstractInterpreter]: Visited 253 different actions 1020 times. Merged at 11 different actions 40 times. Never widened. Performed 11915 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11915 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-22 23:39:30,267 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:30,267 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:39:30,267 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:30,267 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:39:30,274 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:30,274 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:39:30,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:30,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:39:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 2639 backedges. 1497 proven. 2 refuted. 0 times theorem prover too weak. 1140 trivial. 0 not checked. [2018-11-22 23:39:30,736 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:39:31,202 INFO L134 CoverageAnalysis]: Checked inductivity of 2639 backedges. 943 proven. 110 refuted. 0 times theorem prover too weak. 1586 trivial. 0 not checked. [2018-11-22 23:39:31,217 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:39:31,218 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-22 23:39:31,218 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:39:31,218 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-22 23:39:31,219 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-22 23:39:31,219 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-22 23:39:31,219 INFO L87 Difference]: Start difference. First operand 12795 states and 13783 transitions. Second operand 9 states. [2018-11-22 23:39:33,703 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:39:33,703 INFO L93 Difference]: Finished difference Result 28416 states and 31901 transitions. [2018-11-22 23:39:33,707 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-22 23:39:33,707 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1080 [2018-11-22 23:39:33,709 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:39:33,755 INFO L225 Difference]: With dead ends: 28416 [2018-11-22 23:39:33,755 INFO L226 Difference]: Without dead ends: 16347 [2018-11-22 23:39:33,782 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2188 GetRequests, 2166 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-22 23:39:33,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16347 states. [2018-11-22 23:39:33,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16347 to 16283. [2018-11-22 23:39:33,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16283 states. [2018-11-22 23:39:33,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16283 states to 16283 states and 17813 transitions. [2018-11-22 23:39:33,973 INFO L78 Accepts]: Start accepts. Automaton has 16283 states and 17813 transitions. Word has length 1080 [2018-11-22 23:39:33,973 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:39:33,973 INFO L480 AbstractCegarLoop]: Abstraction has 16283 states and 17813 transitions. [2018-11-22 23:39:33,973 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-22 23:39:33,973 INFO L276 IsEmpty]: Start isEmpty. Operand 16283 states and 17813 transitions. [2018-11-22 23:39:33,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1091 [2018-11-22 23:39:33,990 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:39:33,991 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, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 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, 2, 2, 2, 2, 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] [2018-11-22 23:39:33,991 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:39:33,991 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:33,991 INFO L82 PathProgramCache]: Analyzing trace with hash 819358287, now seen corresponding path program 1 times [2018-11-22 23:39:33,991 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:39:33,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:33,992 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:33,992 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:33,992 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:39:34,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:34,795 INFO L134 CoverageAnalysis]: Checked inductivity of 2375 backedges. 848 proven. 110 refuted. 0 times theorem prover too weak. 1417 trivial. 0 not checked. [2018-11-22 23:39:34,795 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:34,795 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:39:34,796 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1091 with the following transitions: [2018-11-22 23:39:34,796 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [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], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:39:34,798 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:39:34,798 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:39:35,350 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:39:35,350 INFO L272 AbstractInterpreter]: Visited 252 different actions 1005 times. Merged at 10 different actions 29 times. Never widened. Performed 11801 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11801 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-22 23:39:35,352 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:35,352 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:39:35,352 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:35,352 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:39:35,358 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:35,358 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:39:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:35,478 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:39:35,790 INFO L134 CoverageAnalysis]: Checked inductivity of 2375 backedges. 1336 proven. 2 refuted. 0 times theorem prover too weak. 1037 trivial. 0 not checked. [2018-11-22 23:39:35,790 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:39:36,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2375 backedges. 848 proven. 110 refuted. 0 times theorem prover too weak. 1417 trivial. 0 not checked. [2018-11-22 23:39:36,238 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:39:36,239 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 5] total 11 [2018-11-22 23:39:36,239 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:39:36,240 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-22 23:39:36,240 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-22 23:39:36,240 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2018-11-22 23:39:36,240 INFO L87 Difference]: Start difference. First operand 16283 states and 17813 transitions. Second operand 10 states. [2018-11-22 23:39:38,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:39:38,207 INFO L93 Difference]: Finished difference Result 31460 states and 34329 transitions. [2018-11-22 23:39:38,208 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-22 23:39:38,208 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 1090 [2018-11-22 23:39:38,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:39:38,229 INFO L225 Difference]: With dead ends: 31460 [2018-11-22 23:39:38,229 INFO L226 Difference]: Without dead ends: 15903 [2018-11-22 23:39:38,250 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2211 GetRequests, 2187 SyntacticMatches, 4 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 80 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=139, Invalid=323, Unknown=0, NotChecked=0, Total=462 [2018-11-22 23:39:38,261 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15903 states. [2018-11-22 23:39:38,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15903 to 15821. [2018-11-22 23:39:38,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15821 states. [2018-11-22 23:39:38,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15821 states to 15821 states and 16927 transitions. [2018-11-22 23:39:38,393 INFO L78 Accepts]: Start accepts. Automaton has 15821 states and 16927 transitions. Word has length 1090 [2018-11-22 23:39:38,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:39:38,393 INFO L480 AbstractCegarLoop]: Abstraction has 15821 states and 16927 transitions. [2018-11-22 23:39:38,393 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-22 23:39:38,393 INFO L276 IsEmpty]: Start isEmpty. Operand 15821 states and 16927 transitions. [2018-11-22 23:39:38,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1112 [2018-11-22 23:39:38,405 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:39:38,405 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:39:38,405 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:39:38,405 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:38,406 INFO L82 PathProgramCache]: Analyzing trace with hash -1358247243, now seen corresponding path program 1 times [2018-11-22 23:39:38,406 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:39:38,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:38,407 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:38,407 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:38,407 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:39:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:39,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 958 proven. 598 refuted. 0 times theorem prover too weak. 455 trivial. 0 not checked. [2018-11-22 23:39:39,152 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:39,152 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:39:39,152 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1112 with the following transitions: [2018-11-22 23:39:39,153 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [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], [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] [2018-11-22 23:39:39,155 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:39:39,156 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:39:39,980 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:39:39,980 INFO L272 AbstractInterpreter]: Visited 285 different actions 1143 times. Merged at 8 different actions 35 times. Widened at 1 different actions 1 times. Performed 13760 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13760 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-22 23:39:39,983 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:39,983 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:39:39,983 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:39,983 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:39:39,990 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:39,990 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:39:40,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:40,119 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:39:40,410 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-11-22 23:39:40,411 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:39:40,745 INFO L134 CoverageAnalysis]: Checked inductivity of 2011 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 1774 trivial. 0 not checked. [2018-11-22 23:39:40,760 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:39:40,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-22 23:39:40,761 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:39:40,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:39:40,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:39:40,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:39:40,762 INFO L87 Difference]: Start difference. First operand 15821 states and 16927 transitions. Second operand 3 states. [2018-11-22 23:39:41,325 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:39:41,326 INFO L93 Difference]: Finished difference Result 30283 states and 32464 transitions. [2018-11-22 23:39:41,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:39:41,326 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1111 [2018-11-22 23:39:41,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:39:41,352 INFO L225 Difference]: With dead ends: 30283 [2018-11-22 23:39:41,353 INFO L226 Difference]: Without dead ends: 15188 [2018-11-22 23:39:41,371 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2234 GetRequests, 2223 SyntacticMatches, 4 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:39:41,384 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15188 states. [2018-11-22 23:39:41,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15188 to 15188. [2018-11-22 23:39:41,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15188 states. [2018-11-22 23:39:41,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15188 states to 15188 states and 16171 transitions. [2018-11-22 23:39:41,523 INFO L78 Accepts]: Start accepts. Automaton has 15188 states and 16171 transitions. Word has length 1111 [2018-11-22 23:39:41,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:39:41,524 INFO L480 AbstractCegarLoop]: Abstraction has 15188 states and 16171 transitions. [2018-11-22 23:39:41,524 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:39:41,524 INFO L276 IsEmpty]: Start isEmpty. Operand 15188 states and 16171 transitions. [2018-11-22 23:39:41,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1183 [2018-11-22 23:39:41,535 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:39:41,535 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, 6, 6, 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, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-22 23:39:41,535 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:39:41,535 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:41,536 INFO L82 PathProgramCache]: Analyzing trace with hash 949226469, now seen corresponding path program 1 times [2018-11-22 23:39:41,536 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:39:41,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:41,537 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:41,537 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:41,537 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:39:41,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:42,542 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 1232 proven. 647 refuted. 0 times theorem prover too weak. 532 trivial. 0 not checked. [2018-11-22 23:39:42,542 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:42,543 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:39:42,543 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1183 with the following transitions: [2018-11-22 23:39:42,543 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [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], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:39:42,546 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:39:42,546 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:39:43,378 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:39:43,378 INFO L272 AbstractInterpreter]: Visited 286 different actions 1141 times. Merged at 9 different actions 29 times. Never widened. Performed 13791 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13791 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 11 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-22 23:39:43,379 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:43,379 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:39:43,379 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:43,380 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:39:43,386 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:43,386 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:39:43,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:43,517 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:39:43,934 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 2126 trivial. 0 not checked. [2018-11-22 23:39:43,934 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:39:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 2411 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 2126 trivial. 0 not checked. [2018-11-22 23:39:44,301 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:39:44,301 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-22 23:39:44,301 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:39:44,302 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:39:44,302 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:39:44,302 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:39:44,302 INFO L87 Difference]: Start difference. First operand 15188 states and 16171 transitions. Second operand 3 states. [2018-11-22 23:39:44,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:39:44,858 INFO L93 Difference]: Finished difference Result 28712 states and 30598 transitions. [2018-11-22 23:39:44,859 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:39:44,859 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1182 [2018-11-22 23:39:44,860 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:39:44,878 INFO L225 Difference]: With dead ends: 28712 [2018-11-22 23:39:44,878 INFO L226 Difference]: Without dead ends: 14250 [2018-11-22 23:39:44,892 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2378 GetRequests, 2366 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2018-11-22 23:39:44,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14250 states. [2018-11-22 23:39:45,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14250 to 14157. [2018-11-22 23:39:45,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14157 states. [2018-11-22 23:39:45,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14157 states to 14157 states and 14846 transitions. [2018-11-22 23:39:45,028 INFO L78 Accepts]: Start accepts. Automaton has 14157 states and 14846 transitions. Word has length 1182 [2018-11-22 23:39:45,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:39:45,029 INFO L480 AbstractCegarLoop]: Abstraction has 14157 states and 14846 transitions. [2018-11-22 23:39:45,029 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:39:45,029 INFO L276 IsEmpty]: Start isEmpty. Operand 14157 states and 14846 transitions. [2018-11-22 23:39:45,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1327 [2018-11-22 23:39:45,043 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:39:45,043 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:39:45,043 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:39:45,043 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:45,043 INFO L82 PathProgramCache]: Analyzing trace with hash -1793878195, now seen corresponding path program 1 times [2018-11-22 23:39:45,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:39:45,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:45,044 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:45,044 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:45,044 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:39:45,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:46,384 INFO L134 CoverageAnalysis]: Checked inductivity of 3807 backedges. 1406 proven. 2 refuted. 0 times theorem prover too weak. 2399 trivial. 0 not checked. [2018-11-22 23:39:46,384 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:46,384 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:39:46,384 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1327 with the following transitions: [2018-11-22 23:39:46,385 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [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], [1268], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:39:46,387 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:39:46,387 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:39:46,845 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:39:46,845 INFO L272 AbstractInterpreter]: Visited 254 different actions 1022 times. Merged at 11 different actions 38 times. Widened at 1 different actions 1 times. Performed 12009 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12009 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-22 23:39:46,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:46,847 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:39:46,847 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:46,847 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/z3 Starting monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 9 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:39:46,853 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:46,853 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:39:46,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:46,994 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:39:47,633 INFO L134 CoverageAnalysis]: Checked inductivity of 3807 backedges. 2593 proven. 6 refuted. 0 times theorem prover too weak. 1208 trivial. 0 not checked. [2018-11-22 23:39:47,633 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:39:48,808 INFO L134 CoverageAnalysis]: Checked inductivity of 3807 backedges. 1525 proven. 360 refuted. 0 times theorem prover too weak. 1922 trivial. 0 not checked. [2018-11-22 23:39:48,824 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:39:48,824 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 19 [2018-11-22 23:39:48,825 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:39:48,825 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-11-22 23:39:48,826 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-11-22 23:39:48,826 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=279, Unknown=0, NotChecked=0, Total=342 [2018-11-22 23:39:48,826 INFO L87 Difference]: Start difference. First operand 14157 states and 14846 transitions. Second operand 14 states. [2018-11-22 23:39:55,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:39:55,680 INFO L93 Difference]: Finished difference Result 30225 states and 31793 transitions. [2018-11-22 23:39:55,681 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 54 states. [2018-11-22 23:39:55,681 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1326 [2018-11-22 23:39:55,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:39:55,707 INFO L225 Difference]: With dead ends: 30225 [2018-11-22 23:39:55,708 INFO L226 Difference]: Without dead ends: 15268 [2018-11-22 23:39:55,723 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2744 GetRequests, 2681 SyntacticMatches, 2 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1019 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=730, Invalid=3176, Unknown=0, NotChecked=0, Total=3906 [2018-11-22 23:39:55,734 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15268 states. [2018-11-22 23:39:55,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15268 to 14540. [2018-11-22 23:39:55,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14540 states. [2018-11-22 23:39:55,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14540 states to 14540 states and 15098 transitions. [2018-11-22 23:39:55,866 INFO L78 Accepts]: Start accepts. Automaton has 14540 states and 15098 transitions. Word has length 1326 [2018-11-22 23:39:55,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:39:55,866 INFO L480 AbstractCegarLoop]: Abstraction has 14540 states and 15098 transitions. [2018-11-22 23:39:55,866 INFO L481 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-11-22 23:39:55,866 INFO L276 IsEmpty]: Start isEmpty. Operand 14540 states and 15098 transitions. [2018-11-22 23:39:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1820 [2018-11-22 23:39:55,888 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:39:55,888 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, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:39:55,889 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:39:55,889 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:55,889 INFO L82 PathProgramCache]: Analyzing trace with hash 1414444609, now seen corresponding path program 1 times [2018-11-22 23:39:55,889 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:39:55,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:55,890 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:55,890 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:39:55,890 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:39:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:58,164 INFO L134 CoverageAnalysis]: Checked inductivity of 6114 backedges. 1262 proven. 702 refuted. 0 times theorem prover too weak. 4150 trivial. 0 not checked. [2018-11-22 23:39:58,164 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:58,165 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:39:58,165 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1820 with the following transitions: [2018-11-22 23:39:58,165 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1176], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1268], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:39:58,167 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:39:58,167 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:39:59,047 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:39:59,048 INFO L272 AbstractInterpreter]: Visited 289 different actions 1155 times. Merged at 10 different actions 31 times. Never widened. Performed 13964 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13964 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 14 fixpoints after 7 different actions. Largest state had 24 variables. [2018-11-22 23:39:59,050 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:39:59,051 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:39:59,051 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:39:59,051 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/z3 Starting monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 10 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:39:59,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:39:59,058 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:39:59,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:39:59,279 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:40:00,390 INFO L134 CoverageAnalysis]: Checked inductivity of 6114 backedges. 4176 proven. 2 refuted. 0 times theorem prover too weak. 1936 trivial. 0 not checked. [2018-11-22 23:40:00,390 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:40:02,940 INFO L134 CoverageAnalysis]: Checked inductivity of 6114 backedges. 1262 proven. 702 refuted. 0 times theorem prover too weak. 4150 trivial. 0 not checked. [2018-11-22 23:40:02,956 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:40:02,957 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 13 [2018-11-22 23:40:02,957 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:40:02,958 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-22 23:40:02,959 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-22 23:40:02,959 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=115, Unknown=0, NotChecked=0, Total=156 [2018-11-22 23:40:02,959 INFO L87 Difference]: Start difference. First operand 14540 states and 15098 transitions. Second operand 11 states. [2018-11-22 23:40:05,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:05,982 INFO L93 Difference]: Finished difference Result 28856 states and 30042 transitions. [2018-11-22 23:40:05,982 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2018-11-22 23:40:05,982 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 1819 [2018-11-22 23:40:05,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:06,005 INFO L225 Difference]: With dead ends: 28856 [2018-11-22 23:40:06,005 INFO L226 Difference]: Without dead ends: 14998 [2018-11-22 23:40:06,018 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3680 GetRequests, 3650 SyntacticMatches, 2 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 150 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=210, Invalid=660, Unknown=0, NotChecked=0, Total=870 [2018-11-22 23:40:06,028 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14998 states. [2018-11-22 23:40:06,141 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14998 to 14540. [2018-11-22 23:40:06,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14540 states. [2018-11-22 23:40:06,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14540 states to 14540 states and 15082 transitions. [2018-11-22 23:40:06,153 INFO L78 Accepts]: Start accepts. Automaton has 14540 states and 15082 transitions. Word has length 1819 [2018-11-22 23:40:06,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:06,154 INFO L480 AbstractCegarLoop]: Abstraction has 14540 states and 15082 transitions. [2018-11-22 23:40:06,155 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-22 23:40:06,155 INFO L276 IsEmpty]: Start isEmpty. Operand 14540 states and 15082 transitions. [2018-11-22 23:40:06,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1998 [2018-11-22 23:40:06,180 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:06,180 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 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, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:40:06,180 INFO L423 AbstractCegarLoop]: === Iteration 17 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:06,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:06,181 INFO L82 PathProgramCache]: Analyzing trace with hash 805593613, now seen corresponding path program 1 times [2018-11-22 23:40:06,181 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:40:06,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:06,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:06,182 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:06,182 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:40:06,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:12,532 INFO L134 CoverageAnalysis]: Checked inductivity of 7860 backedges. 1258 proven. 4991 refuted. 0 times theorem prover too weak. 1611 trivial. 0 not checked. [2018-11-22 23:40:12,532 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:40:12,532 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:40:12,532 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1998 with the following transitions: [2018-11-22 23:40:12,533 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1148], [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], [1268], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:40:12,535 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:40:12,535 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:40:13,333 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:40:13,333 INFO L272 AbstractInterpreter]: Visited 291 different actions 1168 times. Merged at 11 different actions 36 times. Widened at 1 different actions 1 times. Performed 14122 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14122 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 17 fixpoints after 10 different actions. Largest state had 24 variables. [2018-11-22 23:40:13,334 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:13,334 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:40:13,334 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:40:13,334 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/z3 Starting monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 11 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:40:13,340 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:13,340 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:40:13,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:13,550 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:40:14,707 INFO L134 CoverageAnalysis]: Checked inductivity of 7860 backedges. 4631 proven. 2 refuted. 0 times theorem prover too weak. 3227 trivial. 0 not checked. [2018-11-22 23:40:14,707 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:40:16,186 INFO L134 CoverageAnalysis]: Checked inductivity of 7860 backedges. 1013 proven. 636 refuted. 0 times theorem prover too weak. 6211 trivial. 0 not checked. [2018-11-22 23:40:16,202 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:40:16,203 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [25, 5, 5] total 30 [2018-11-22 23:40:16,203 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:40:16,204 INFO L459 AbstractCegarLoop]: Interpolant automaton has 28 states [2018-11-22 23:40:16,204 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2018-11-22 23:40:16,205 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=128, Invalid=742, Unknown=0, NotChecked=0, Total=870 [2018-11-22 23:40:16,205 INFO L87 Difference]: Start difference. First operand 14540 states and 15082 transitions. Second operand 28 states. [2018-11-22 23:40:31,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:31,680 INFO L93 Difference]: Finished difference Result 37818 states and 39496 transitions. [2018-11-22 23:40:31,680 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 81 states. [2018-11-22 23:40:31,680 INFO L78 Accepts]: Start accepts. Automaton has 28 states. Word has length 1997 [2018-11-22 23:40:31,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:31,701 INFO L225 Difference]: With dead ends: 37818 [2018-11-22 23:40:31,701 INFO L226 Difference]: Without dead ends: 23298 [2018-11-22 23:40:31,709 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4168 GetRequests, 4058 SyntacticMatches, 6 SemanticMatches, 104 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3753 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=1752, Invalid=9378, Unknown=0, NotChecked=0, Total=11130 [2018-11-22 23:40:31,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23298 states. [2018-11-22 23:40:31,873 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23298 to 19993. [2018-11-22 23:40:31,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19993 states. [2018-11-22 23:40:31,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19993 states to 19993 states and 20751 transitions. [2018-11-22 23:40:31,890 INFO L78 Accepts]: Start accepts. Automaton has 19993 states and 20751 transitions. Word has length 1997 [2018-11-22 23:40:31,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:31,891 INFO L480 AbstractCegarLoop]: Abstraction has 19993 states and 20751 transitions. [2018-11-22 23:40:31,891 INFO L481 AbstractCegarLoop]: Interpolant automaton has 28 states. [2018-11-22 23:40:31,891 INFO L276 IsEmpty]: Start isEmpty. Operand 19993 states and 20751 transitions. [2018-11-22 23:40:31,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2093 [2018-11-22 23:40:31,921 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:31,921 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 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, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:40:31,921 INFO L423 AbstractCegarLoop]: === Iteration 18 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:31,922 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:31,922 INFO L82 PathProgramCache]: Analyzing trace with hash 795509130, now seen corresponding path program 1 times [2018-11-22 23:40:31,922 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:40:31,922 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:31,923 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:31,923 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:31,923 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:40:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:38,369 INFO L134 CoverageAnalysis]: Checked inductivity of 8521 backedges. 1362 proven. 5591 refuted. 0 times theorem prover too weak. 1568 trivial. 0 not checked. [2018-11-22 23:40:38,369 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:40:38,369 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:40:38,370 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2093 with the following transitions: [2018-11-22 23:40:38,370 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [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], [1268], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:40:38,373 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:40:38,373 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:40:39,227 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:40:39,227 INFO L272 AbstractInterpreter]: Visited 291 different actions 1163 times. Merged at 11 different actions 31 times. Widened at 1 different actions 1 times. Performed 14081 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14081 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 16 fixpoints after 9 different actions. Largest state had 24 variables. [2018-11-22 23:40:39,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:39,235 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:40:39,235 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:40:39,235 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/z3 Starting monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 12 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:40:39,241 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:39,241 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:40:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:39,460 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:40:40,657 INFO L134 CoverageAnalysis]: Checked inductivity of 8521 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 7996 trivial. 0 not checked. [2018-11-22 23:40:40,657 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:40:41,716 INFO L134 CoverageAnalysis]: Checked inductivity of 8521 backedges. 525 proven. 0 refuted. 0 times theorem prover too weak. 7996 trivial. 0 not checked. [2018-11-22 23:40:41,732 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:40:41,732 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [25] total 27 [2018-11-22 23:40:41,733 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:40:41,733 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:40:41,733 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:40:41,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2018-11-22 23:40:41,733 INFO L87 Difference]: Start difference. First operand 19993 states and 20751 transitions. Second operand 3 states. [2018-11-22 23:40:43,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:40:43,054 INFO L93 Difference]: Finished difference Result 21320 states and 22090 transitions. [2018-11-22 23:40:43,054 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:40:43,054 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2092 [2018-11-22 23:40:43,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:40:43,077 INFO L225 Difference]: With dead ends: 21320 [2018-11-22 23:40:43,077 INFO L226 Difference]: Without dead ends: 19991 [2018-11-22 23:40:43,083 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4218 GetRequests, 4188 SyntacticMatches, 5 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 258 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=97, Invalid=605, Unknown=0, NotChecked=0, Total=702 [2018-11-22 23:40:43,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19991 states. [2018-11-22 23:40:43,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19991 to 19991. [2018-11-22 23:40:43,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19991 states. [2018-11-22 23:40:43,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19991 states to 19991 states and 20744 transitions. [2018-11-22 23:40:43,254 INFO L78 Accepts]: Start accepts. Automaton has 19991 states and 20744 transitions. Word has length 2092 [2018-11-22 23:40:43,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:40:43,256 INFO L480 AbstractCegarLoop]: Abstraction has 19991 states and 20744 transitions. [2018-11-22 23:40:43,256 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:40:43,256 INFO L276 IsEmpty]: Start isEmpty. Operand 19991 states and 20744 transitions. [2018-11-22 23:40:43,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2140 [2018-11-22 23:40:43,284 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:40:43,284 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, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:40:43,285 INFO L423 AbstractCegarLoop]: === Iteration 19 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:40:43,285 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:43,285 INFO L82 PathProgramCache]: Analyzing trace with hash 2097518000, now seen corresponding path program 1 times [2018-11-22 23:40:43,285 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:40:43,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:43,286 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:43,286 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:40:43,286 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:40:43,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:50,097 INFO L134 CoverageAnalysis]: Checked inductivity of 9369 backedges. 3103 proven. 5464 refuted. 0 times theorem prover too weak. 802 trivial. 0 not checked. [2018-11-22 23:40:50,097 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:40:50,097 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:40:50,098 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2140 with the following transitions: [2018-11-22 23:40:50,098 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [680], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [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], [824], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1028], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:40:50,101 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:40:50,101 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:40:50,953 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:40:50,954 INFO L272 AbstractInterpreter]: Visited 292 different actions 1170 times. Merged at 12 different actions 34 times. Never widened. Performed 14061 root evaluator evaluations with a maximum evaluation depth of 22. Performed 14061 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 17 fixpoints after 10 different actions. Largest state had 24 variables. [2018-11-22 23:40:50,955 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:40:50,955 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:40:50,955 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:40:50,955 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/z3 Starting monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 13 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:40:50,962 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:40:50,962 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:40:51,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:40:51,186 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:40:52,275 INFO L134 CoverageAnalysis]: Checked inductivity of 9369 backedges. 1685 proven. 2 refuted. 0 times theorem prover too weak. 7682 trivial. 0 not checked. [2018-11-22 23:40:52,275 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:40:53,619 INFO L134 CoverageAnalysis]: Checked inductivity of 9369 backedges. 1685 proven. 2 refuted. 0 times theorem prover too weak. 7682 trivial. 0 not checked. [2018-11-22 23:40:53,635 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-22 23:40:53,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 5, 5] total 37 [2018-11-22 23:40:53,636 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-22 23:40:53,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 35 states [2018-11-22 23:40:53,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 35 interpolants. [2018-11-22 23:40:53,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=160, Invalid=1172, Unknown=0, NotChecked=0, Total=1332 [2018-11-22 23:40:53,637 INFO L87 Difference]: Start difference. First operand 19991 states and 20744 transitions. Second operand 35 states. [2018-11-22 23:41:11,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:41:11,609 INFO L93 Difference]: Finished difference Result 51037 states and 53353 transitions. [2018-11-22 23:41:11,609 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 135 states. [2018-11-22 23:41:11,609 INFO L78 Accepts]: Start accepts. Automaton has 35 states. Word has length 2139 [2018-11-22 23:41:11,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:41:11,647 INFO L225 Difference]: With dead ends: 51037 [2018-11-22 23:41:11,647 INFO L226 Difference]: Without dead ends: 29354 [2018-11-22 23:41:11,673 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4553 GetRequests, 4384 SyntacticMatches, 3 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10552 ImplicationChecksByTransitivity, 5.0s TimeCoverageRelationStatistics Valid=3864, Invalid=24192, Unknown=0, NotChecked=0, Total=28056 [2018-11-22 23:41:11,693 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29354 states. [2018-11-22 23:41:11,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29354 to 26240. [2018-11-22 23:41:11,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26240 states. [2018-11-22 23:41:11,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26240 states to 26240 states and 27134 transitions. [2018-11-22 23:41:11,953 INFO L78 Accepts]: Start accepts. Automaton has 26240 states and 27134 transitions. Word has length 2139 [2018-11-22 23:41:11,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:41:11,954 INFO L480 AbstractCegarLoop]: Abstraction has 26240 states and 27134 transitions. [2018-11-22 23:41:11,954 INFO L481 AbstractCegarLoop]: Interpolant automaton has 35 states. [2018-11-22 23:41:11,954 INFO L276 IsEmpty]: Start isEmpty. Operand 26240 states and 27134 transitions. [2018-11-22 23:41:11,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2263 [2018-11-22 23:41:11,985 INFO L394 BasicCegarLoop]: Found error trace [2018-11-22 23:41:11,986 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, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 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, 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, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-22 23:41:11,986 INFO L423 AbstractCegarLoop]: === Iteration 20 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-22 23:41:11,986 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:41:11,987 INFO L82 PathProgramCache]: Analyzing trace with hash 1015691815, now seen corresponding path program 1 times [2018-11-22 23:41:11,987 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-22 23:41:11,987 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:41:11,988 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:41:11,988 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-22 23:41:11,988 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-22 23:41:12,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:41:17,024 INFO L134 CoverageAnalysis]: Checked inductivity of 9670 backedges. 1803 proven. 4666 refuted. 0 times theorem prover too weak. 3201 trivial. 0 not checked. [2018-11-22 23:41:17,024 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:41:17,024 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-22 23:41:17,024 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 2263 with the following transitions: [2018-11-22 23:41:17,024 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [503], [505], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1044], [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], [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], [1393], [1397], [1401], [1405], [1409], [1412], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1444], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1532], [1533], [1537], [1540], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-11-22 23:41:17,027 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-22 23:41:17,027 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-22 23:41:17,731 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-22 23:41:17,732 INFO L272 AbstractInterpreter]: Visited 305 different actions 1531 times. Merged at 14 different actions 49 times. Never widened. Performed 19051 root evaluator evaluations with a maximum evaluation depth of 18. Performed 19051 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 21 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-22 23:41:17,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:41:17,733 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-22 23:41:17,733 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-22 23:41:17,733 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/z3 Starting monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 14 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-22 23:41:17,742 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-22 23:41:17,742 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-22 23:41:17,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:41:17,982 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-22 23:41:19,216 INFO L134 CoverageAnalysis]: Checked inductivity of 9670 backedges. 573 proven. 0 refuted. 0 times theorem prover too weak. 9097 trivial. 0 not checked. [2018-11-22 23:41:19,216 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-22 23:41:20,458 INFO L134 CoverageAnalysis]: Checked inductivity of 9670 backedges. 573 proven. 0 refuted. 0 times theorem prover too weak. 9097 trivial. 0 not checked. [2018-11-22 23:41:20,474 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-22 23:41:20,474 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [19] total 21 [2018-11-22 23:41:20,474 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-22 23:41:20,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-22 23:41:20,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-22 23:41:20,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2018-11-22 23:41:20,476 INFO L87 Difference]: Start difference. First operand 26240 states and 27134 transitions. Second operand 3 states. [2018-11-22 23:41:21,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-22 23:41:21,105 INFO L93 Difference]: Finished difference Result 49096 states and 50834 transitions. [2018-11-22 23:41:21,106 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-22 23:41:21,106 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 2262 [2018-11-22 23:41:21,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-22 23:41:21,107 INFO L225 Difference]: With dead ends: 49096 [2018-11-22 23:41:21,107 INFO L226 Difference]: Without dead ends: 0 [2018-11-22 23:41:21,132 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4549 GetRequests, 4528 SyntacticMatches, 2 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 118 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2018-11-22 23:41:21,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-22 23:41:21,132 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-22 23:41:21,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-22 23:41:21,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-22 23:41:21,132 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 2262 [2018-11-22 23:41:21,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-22 23:41:21,132 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-22 23:41:21,133 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-22 23:41:21,133 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-22 23:41:21,133 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:41:21,136 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-22 23:41:21,353 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:21,524 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:21,628 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:21,666 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:21,758 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:21,829 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:21,928 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:21,935 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:21,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:22,104 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:22,144 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:22,146 WARN L180 SmtUtils]: Spent 996.00 ms on a formula simplification. DAG size of input: 483 DAG size of output: 444 [2018-11-22 23:41:22,211 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:22,212 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:22,213 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:22,235 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:22,236 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:22,392 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:22,393 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:22,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:22,491 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:22,538 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:23,887 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:23,893 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:23,908 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:23,921 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:23,945 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:24,026 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:24,035 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:24,180 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-22 23:41:24,521 WARN L180 SmtUtils]: Spent 650.00 ms on a formula simplification. DAG size of input: 513 DAG size of output: 468 [2018-11-22 23:41:26,137 WARN L180 SmtUtils]: Spent 1.59 s on a formula simplification. DAG size of input: 452 DAG size of output: 71 [2018-11-22 23:41:28,679 WARN L180 SmtUtils]: Spent 2.49 s on a formula simplification. DAG size of input: 599 DAG size of output: 112 [2018-11-22 23:41:29,754 WARN L180 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 405 DAG size of output: 72 [2018-11-22 23:41:33,320 WARN L180 SmtUtils]: Spent 3.55 s on a formula simplification. DAG size of input: 588 DAG size of output: 150 [2018-11-22 23:41:35,003 WARN L180 SmtUtils]: Spent 1.67 s on a formula simplification. DAG size of input: 471 DAG size of output: 68 [2018-11-22 23:41:35,004 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,005 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,006 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,006 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,006 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,006 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,006 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,006 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,006 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,006 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,006 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,006 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,006 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,006 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,007 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse22 (= 5 |old(~a12~0)|)) (.cse21 (= 3 |old(~a15~0)|)) (.cse23 (= 8 |old(~a16~0)|))) (let ((.cse16 (= ~a18~0 |old(~a18~0)|)) (.cse7 (= 9 |old(~a16~0)|)) (.cse8 (= 4 |old(~a15~0)|)) (.cse15 (not .cse23)) (.cse12 (not .cse21)) (.cse13 (not .cse22)) (.cse19 (= |old(~a15~0)| ~a15~0)) (.cse17 (= ~a16~0 |old(~a16~0)|)) (.cse18 (= |old(~a12~0)| ~a12~0))) (let ((.cse3 (< 134 ~a18~0)) (.cse4 (and (<= ~a18~0 |old(~a18~0)|) .cse19 .cse17 .cse18)) (.cse1 (< 0 (+ |old(~a18~0)| 156))) (.cse11 (= 10 |old(~a16~0)|)) (.cse0 (and (or .cse15 .cse12 .cse13) (or .cse12 .cse13 (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|))))) (.cse2 (<= (+ ~a18~0 156) 0)) (.cse14 (not .cse8)) (.cse5 (not (= 8 |old(~a12~0)|))) (.cse10 (not (= 7 |old(~a12~0)|))) (.cse6 (not .cse7)) (.cse9 (and .cse19 .cse17 .cse16 .cse18))) (and (or .cse0 .cse1 (or .cse2 .cse3)) (or .cse4 .cse5 .cse6) (or .cse0 (<= |old(~a18~0)| 134) .cse3) (or .cse7 .cse8 .cse9 .cse10 .cse11) (or .cse4 (or .cse12 .cse13) .cse6) (or .cse14 .cse15 .cse9) (or (or .cse10 .cse6) (and .cse16 (and .cse17 .cse18) .cse19) .cse1) (or (and (= |old(~a16~0)| ~a16~0) (and (= ~a15~0 3) (= ~a12~0 5))) .cse0) (or (< |old(~a12~0)| 9) .cse11 .cse9) (or .cse0 (<= (+ |old(~a18~0)| 79) 0) (or .cse2 (< 0 (+ ~a18~0 79)))) (or .cse14 .cse9 .cse6) (or (and (and .cse17 .cse16 .cse18) (= ~a15~0 |old(~a15~0)|)) (or .cse7 .cse8 .cse5)) (or .cse9 .cse10 (forall ((v_prenex_27 Int)) (let ((.cse20 (mod v_prenex_27 299932))) (or (<= 0 v_prenex_27) (= 0 .cse20) (< |old(~a18~0)| (+ .cse20 136))))) .cse6) (or (< 6 |old(~a12~0)|) (and .cse21 .cse22 .cse23) .cse7 .cse9))))) [2018-11-22 23:41:35,007 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,007 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,007 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,007 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,007 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,007 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,007 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,007 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-22 23:41:35,007 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,007 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,007 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,008 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,008 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,008 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,008 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,008 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,008 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-22 23:41:35,008 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,008 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,008 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,008 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,008 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,008 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,008 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,008 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,009 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,009 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,009 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,009 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,009 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,009 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-22 23:41:35,009 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,009 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-22 23:41:35,009 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse38 (= ~a15~0 3)) (.cse37 (= 8 ~a16~0))) (let ((.cse35 (+ ~a18~0 156)) (.cse19 (not (= 8 |old(~a16~0)|))) (.cse0 (not (= 3 |old(~a15~0)|))) (.cse29 (not (= 5 |old(~a12~0)|))) (.cse1 (not (= 11 |old(~a16~0)|))) (.cse4 (= 9 |old(~a16~0)|)) (.cse14 (= ~a16~0 |old(~a16~0)|)) (.cse15 (= ~a18~0 |old(~a18~0)|)) (.cse16 (= |old(~a12~0)| ~a12~0)) (.cse17 (= 4 |old(~a15~0)|)) (.cse28 (not .cse37)) (.cse11 (not .cse38)) (.cse36 (= ~a12~0 |old(~a12~0)|)) (.cse26 (= |old(~a16~0)| ~a16~0)) (.cse30 (let ((.cse39 (= ~a12~0 5))) (or (and (= ~a16~0 8) .cse38 .cse39) (and (= ~a16~0 11) .cse38 .cse39 (= (+ ~a18~0 87) 0))))) (.cse13 (= |old(~a15~0)| ~a15~0))) (let ((.cse7 (and .cse36 .cse37 .cse26 .cse30 .cse13)) (.cse5 (and .cse36 (not (= ~a15~0 4)) .cse26 (<= ~a16~0 8) (or (not (= 5 ~a12~0)) .cse28 .cse11) .cse13)) (.cse20 (< |old(~a12~0)| 9)) (.cse18 (= 10 |old(~a16~0)|)) (.cse24 (< 134 ~a18~0)) (.cse22 (< 0 (+ |old(~a18~0)| 156))) (.cse27 (not .cse17)) (.cse8 (not (= 7 |old(~a12~0)|))) (.cse6 (and .cse13 .cse14 .cse15 .cse16)) (.cse32 (<= ~a18~0 |old(~a18~0)|)) (.cse33 (not .cse4)) (.cse25 (not (= 8 |old(~a12~0)|))) (.cse9 (not (= 11 ~a16~0))) (.cse10 (not (= calculate_output_~input 3))) (.cse3 (not (= calculate_output_~input 0))) (.cse31 (= 0 |old(~a16~0)|)) (.cse21 (and (or .cse19 .cse0 .cse29) (or .cse0 .cse29 (not (= (+ |old(~a18~0)| 87) 0)) .cse1))) (.cse23 (<= .cse35 0)) (.cse12 (< 0 (+ ~a18~0 79))) (.cse2 (= |calculate_output_#in~input| 0))) (and (or (or .cse0 (= 0 |old(~a12~0)|) .cse1 .cse2) .cse3) (or .cse4 .cse5 .cse6 .cse7 (< 6 |old(~a12~0)|)) (or .cse4 .cse5 .cse8 (and (or .cse9 .cse10 .cse11 .cse12) .cse13 .cse14 .cse15 .cse16) .cse17 .cse18) (or .cse19 .cse5 .cse6 .cse7) (or .cse6 .cse20 .cse5 .cse18) (or .cse21 .cse22 (or .cse23 .cse24) .cse2) (or .cse4 .cse5 .cse25 (and (and .cse26 .cse16) .cse15 (= ~a15~0 |old(~a15~0)|)) .cse17) (or .cse27 .cse20 (or .cse10 .cse28 (not (= 9 ~a12~0))) .cse18 .cse22) (or .cse0 .cse29 .cse4 .cse2 .cse30 .cse31 .cse15) (or .cse0 .cse29 .cse2 (and .cse32 (and .cse13 .cse14) .cse16) .cse33) (or .cse21 (<= |old(~a18~0)| 134) .cse24 .cse2) (or .cse8 (and .cse15 (and .cse14 .cse16) .cse13) .cse33 .cse22) (or .cse27 .cse6 .cse33) (or .cse8 (forall ((v_prenex_27 Int)) (let ((.cse34 (mod v_prenex_27 299932))) (or (<= 0 v_prenex_27) (= 0 .cse34) (< |old(~a18~0)| (+ .cse34 136))))) .cse6 .cse33) (or .cse25 (and .cse32 .cse13 .cse14 .cse16) .cse33) (or .cse17 .cse25 (or .cse9 .cse10 .cse11 (< 0 .cse35))) (or .cse0 .cse29 .cse3 .cse2 .cse31) (or .cse21 (<= (+ |old(~a18~0)| 79) 0) (or .cse23 .cse12) .cse2))))) [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,010 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,011 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,012 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-22 23:41:35,013 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,014 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse5 (= 9 |old(~a16~0)|)) (.cse9 (= |old(~a15~0)| ~a15~0)) (.cse10 (= ~a16~0 |old(~a16~0)|)) (.cse11 (= |old(~a12~0)| ~a12~0))) (let ((.cse1 (= 10 |old(~a16~0)|)) (.cse2 (and (<= ~a18~0 |old(~a18~0)|) .cse9 .cse10 .cse11)) (.cse3 (not (= 8 |old(~a12~0)|))) (.cse6 (= 4 |old(~a15~0)|)) (.cse0 (and .cse9 .cse10 (= ~a18~0 |old(~a18~0)|) .cse11)) (.cse7 (not (= 7 |old(~a12~0)|))) (.cse4 (not .cse5))) (and (or (< |old(~a12~0)| 9) .cse0 .cse1) (or .cse2 .cse3 .cse4) (or (< 6 |old(~a12~0)|) .cse5 .cse0) (or .cse5 .cse6 .cse1 .cse0) (or .cse2 (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (= |calculate_output_#in~input| 0)) (or (not (= 8 |old(~a16~0)|)) .cse0) (or .cse0 .cse7 .cse4 (< 0 (+ |old(~a18~0)| 156))) (or .cse5 .cse0 .cse6 .cse3) (or (not .cse6) .cse4 .cse0) (or .cse0 .cse7 (forall ((v_prenex_27 Int)) (let ((.cse8 (mod v_prenex_27 299932))) (or (<= 0 v_prenex_27) (= 0 .cse8) (< |old(~a18~0)| (+ .cse8 136))))) .cse4)))) [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,015 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,016 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,017 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,018 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,018 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,018 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-22 23:41:35,018 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-22 23:41:35,018 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-22 23:41:35,018 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,018 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,018 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,018 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,018 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,018 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,018 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,018 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,018 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,019 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,019 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,019 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,019 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,019 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-22 23:41:35,019 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-22 23:41:35,019 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,019 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,019 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,019 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,019 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,019 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,019 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,019 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,019 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,020 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 145) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,021 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,022 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-22 23:41:35,023 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-22 23:41:35,024 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))) [2018-11-22 23:41:35,024 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-22 23:41:35,024 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (and (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= ~a18~0 |old(~a18~0)|) (= |old(~a12~0)| ~a12~0)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0))) [2018-11-22 23:41:35,024 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-22 23:41:35,025 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse2 (= 7 ~a12~0)) (.cse4 (+ |old(~a18~0)| 87)) (.cse1 (not (= ~a16~0 10))) (.cse0 (not (= ~a15~0 4))) (.cse5 (not (= ~a16~0 9)))) (or (= 8 ~a16~0) (and (not (= main_~input~0 0)) (= ~a15~0 3) (= ~a12~0 5)) (not (= 11 |old(~a16~0)|)) (and (= 8 ~a12~0) .cse0) (not (= 3 |old(~a15~0)|)) (and (= 4 ~a15~0) (= 9 ~a16~0)) (not (= 5 |old(~a12~0)|)) (and .cse1 (<= 9 ~a12~0)) (and .cse2 .cse1 .cse0 (exists ((v_prenex_27 Int)) (let ((.cse3 (mod v_prenex_27 299932))) (and (< v_prenex_27 0) (not (= 0 .cse3)) (<= (+ .cse3 136) ~a18~0))))) (and (<= (+ ~a18~0 156) 0) .cse2 .cse1 .cse0) (< 0 .cse4) (< .cse4 0) (and .cse5 (<= ~a12~0 6)) (and .cse1 .cse0 .cse5))) [2018-11-22 23:41:35,025 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-22 23:41:35,025 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-22 23:41:35,025 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse2 (= 7 ~a12~0)) (.cse4 (+ |old(~a18~0)| 87)) (.cse1 (not (= ~a16~0 10))) (.cse0 (not (= ~a15~0 4))) (.cse5 (not (= ~a16~0 9)))) (or (= 8 ~a16~0) (not (= 11 |old(~a16~0)|)) (and (= 8 ~a12~0) .cse0) (and (= ~a15~0 3) (= 5 ~a12~0)) (not (= 3 |old(~a15~0)|)) (and (= 4 ~a15~0) (= 9 ~a16~0)) (not (= 5 |old(~a12~0)|)) (and .cse1 (<= 9 ~a12~0)) (and .cse2 .cse1 .cse0 (exists ((v_prenex_27 Int)) (let ((.cse3 (mod v_prenex_27 299932))) (and (< v_prenex_27 0) (not (= 0 .cse3)) (<= (+ .cse3 136) ~a18~0))))) (and (<= (+ ~a18~0 156) 0) .cse2 .cse1 .cse0) (< 0 .cse4) (< .cse4 0) (and .cse5 (<= ~a12~0 6)) (and .cse1 .cse0 .cse5))) [2018-11-22 23:41:35,025 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-11-22 23:41:35,028 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-22 23:41:35,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-22 23:41:35,029 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-22 23:41:35,034 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-22 23:41:35,034 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-22 23:41:35,034 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-22 23:41:35,036 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.11 11:41:35 BoogieIcfgContainer [2018-11-22 23:41:35,036 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-22 23:41:35,037 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:41:35,037 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:41:35,037 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:41:35,037 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:36:33" (3/4) ... [2018-11-22 23:41:35,039 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:41:35,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-22 23:41:35,042 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-22 23:41:35,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-22 23:41:35,043 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-22 23:41:35,062 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-22 23:41:35,067 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-22 23:41:35,092 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((((8 == a16 || !(11 == \old(a16))) || (8 == a12 && !(a15 == 4))) || (a15 == 3 && 5 == a12)) || !(3 == \old(a15))) || (4 == a15 && 9 == a16)) || !(5 == \old(a12))) || (!(a16 == 10) && 9 <= a12)) || (((7 == a12 && !(a16 == 10)) && !(a15 == 4)) && (\exists v_prenex_27 : int :: (v_prenex_27 < 0 && !(0 == v_prenex_27 % 299932)) && v_prenex_27 % 299932 + 136 <= a18))) || (((a18 + 156 <= 0 && 7 == a12) && !(a16 == 10)) && !(a15 == 4))) || 0 < \old(a18) + 87) || \old(a18) + 87 < 0) || (!(a16 == 9) && a12 <= 6)) || ((!(a16 == 10) && !(a15 == 4)) && !(a16 == 9)) [2018-11-22 23:41:35,242 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_15a0ea02-f11e-4432-a127-32be8b491aa3/bin-2019/utaipan/witness.graphml [2018-11-22 23:41:35,242 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:41:35,243 INFO L168 Benchmark]: Toolchain (without parser) took 303739.86 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 955.4 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 2.3 GB. Max. memory is 11.5 GB. [2018-11-22 23:41:35,243 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:41:35,243 INFO L168 Benchmark]: CACSL2BoogieTranslator took 595.06 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 880.2 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. [2018-11-22 23:41:35,244 INFO L168 Benchmark]: Boogie Procedure Inliner took 112.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 880.2 MB in the beginning and 1.1 GB in the end (delta: -250.9 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. [2018-11-22 23:41:35,244 INFO L168 Benchmark]: Boogie Preprocessor took 70.15 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:41:35,244 INFO L168 Benchmark]: RCFGBuilder took 1391.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.1 MB in the end (delta: 244.3 MB). Peak memory consumption was 244.3 MB. Max. memory is 11.5 GB. [2018-11-22 23:41:35,244 INFO L168 Benchmark]: TraceAbstraction took 301362.73 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 876.1 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. [2018-11-22 23:41:35,245 INFO L168 Benchmark]: Witness Printer took 205.20 ms. Allocated memory is still 5.0 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. [2018-11-22 23:41:35,246 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 1.0 GB. Free memory is still 982.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 595.06 ms. Allocated memory is still 1.0 GB. Free memory was 955.4 MB in the beginning and 880.2 MB in the end (delta: 75.2 MB). Peak memory consumption was 75.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 112.77 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.6 MB). Free memory was 880.2 MB in the beginning and 1.1 GB in the end (delta: -250.9 MB). Peak memory consumption was 27.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 70.15 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1391.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 876.1 MB in the end (delta: 244.3 MB). Peak memory consumption was 244.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 301362.73 ms. Allocated memory was 1.2 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 876.1 MB in the beginning and 2.6 GB in the end (delta: -1.7 GB). Peak memory consumption was 4.5 GB. Max. memory is 11.5 GB. * Witness Printer took 205.20 ms. Allocated memory is still 5.0 GB. Free memory was 2.6 GB in the beginning and 2.6 GB in the end (delta: 4.2 kB). Peak memory consumption was 4.2 kB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 145]: 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 [2018-11-22 23:41:35,250 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-22 23:41:35,250 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-22 23:41:35,250 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-22 23:41:35,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-22 23:41:35,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] [2018-11-22 23:41:35,251 WARN L416 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_prenex_27,QUANTIFIED] Derived loop invariant: ((((((((((((8 == a16 || !(11 == \old(a16))) || (8 == a12 && !(a15 == 4))) || (a15 == 3 && 5 == a12)) || !(3 == \old(a15))) || (4 == a15 && 9 == a16)) || !(5 == \old(a12))) || (!(a16 == 10) && 9 <= a12)) || (((7 == a12 && !(a16 == 10)) && !(a15 == 4)) && (\exists v_prenex_27 : int :: (v_prenex_27 < 0 && !(0 == v_prenex_27 % 299932)) && v_prenex_27 % 299932 + 136 <= a18))) || (((a18 + 156 <= 0 && 7 == a12) && !(a16 == 10)) && !(a15 == 4))) || 0 < \old(a18) + 87) || \old(a18) + 87 < 0) || (!(a16 == 9) && a12 <= 6)) || ((!(a16 == 10) && !(a15 == 4)) && !(a16 == 9)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 301.2s OverallTime, 20 OverallIterations, 13 TraceHistogramMax, 215.3s AutomataDifference, 0.0s DeadEndRemovalTime, 13.8s HoareAnnotationTime, HoareTripleCheckerStatistics: 4333 SDtfs, 77572 SDslu, 5941 SDs, 0 SdLazy, 133472 SolverSat, 13042 SolverUnsat, 1 SolverUnknown, 0 SolverNotchecked, 179.1s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 39829 GetRequests, 39132 SyntacticMatches, 43 SemanticMatches, 654 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18210 ImplicationChecksByTransitivity, 12.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=26240occurred in iteration=19, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 9.9s AbstIntTime, 17 AbstIntIterations, 4 AbstIntStrong, 0.9977668756494201 AbsIntWeakeningRatio, 0.07186973610331275 AbsIntAvgWeakeningVarsNumRemoved, 16.04267265581134 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 20 MinimizatonAttempts, 10154 StatesRemovedByMinimization, 16 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1681 PreInvPairs, 3905 NumberOfFragments, 1820 HoareAnnotationTreeSize, 1681 FomulaSimplifications, 406449 FormulaSimplificationTreeSizeReduction, 3.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 422425 FormulaSimplificationTreeSizeReductionInter, 10.4s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.7s SsaConstructionTime, 2.5s SatisfiabilityAnalysisTime, 27.2s InterpolantComputationTime, 39232 NumberOfCodeBlocks, 39232 NumberOfCodeBlocksAsserted, 33 NumberOfCheckSat, 57723 ConstructedInterpolants, 54 QuantifiedInterpolants, 329335011 SizeOfPredicates, 15 NumberOfNonLiveVariables, 23935 ConjunctsInSsa, 62 ConjunctsInUnsatCore, 46 InterpolantComputations, 11 PerfectInterpolantSequences, 153474/180538 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...