./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label49_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label49_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/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 308ad44d52107ad8f325837cc646defe060ce6d2 .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:24:19,394 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:24:19,395 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:24:19,402 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:24:19,402 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:24:19,403 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:24:19,403 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:24:19,404 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:24:19,405 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:24:19,406 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:24:19,407 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:24:19,407 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:24:19,407 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:24:19,408 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:24:19,409 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:24:19,409 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:24:19,410 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:24:19,412 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:24:19,413 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:24:19,414 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:24:19,415 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:24:19,416 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:24:19,417 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:24:19,417 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:24:19,417 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:24:19,418 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:24:19,419 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:24:19,419 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:24:19,420 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:24:19,420 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:24:19,421 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:24:19,421 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:24:19,421 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:24:19,421 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:24:19,422 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:24:19,423 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:24:19,423 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:24:19,432 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:24:19,432 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:24:19,433 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:24:19,433 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:24:19,433 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:24:19,433 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:24:19,433 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:24:19,433 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:24:19,433 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:24:19,433 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:24:19,433 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:24:19,434 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:24:19,434 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:24:19,435 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:24:19,435 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:24:19,435 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:24:19,435 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:24:19,435 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:24:19,435 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:24:19,435 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:24:19,436 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:24:19,436 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:24:19,436 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:24:19,436 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:24:19,436 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:24:19,436 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:24:19,436 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:24:19,436 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:24:19,436 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:24:19,436 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:24:19,436 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:24:19,437 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:24:19,437 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:24:19,437 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:24:19,437 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:24:19,437 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:24:19,437 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:24:19,437 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_bdc8bad9-d995-4d12-a8cd-69a0f143b301/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 -> 308ad44d52107ad8f325837cc646defe060ce6d2 [2018-11-18 11:24:19,460 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:24:19,469 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:24:19,471 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:24:19,472 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:24:19,472 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:24:19,473 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label49_true-unreach-call.c [2018-11-18 11:24:19,508 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/bin-2019/utaipan/data/9489e01a9/0bc21d5fe34044e093818f02327b820c/FLAGb73df26f1 [2018-11-18 11:24:20,015 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:24:20,015 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/sv-benchmarks/c/eca-rers2012/Problem16_label49_true-unreach-call.c [2018-11-18 11:24:20,025 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/bin-2019/utaipan/data/9489e01a9/0bc21d5fe34044e093818f02327b820c/FLAGb73df26f1 [2018-11-18 11:24:20,489 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/bin-2019/utaipan/data/9489e01a9/0bc21d5fe34044e093818f02327b820c [2018-11-18 11:24:20,491 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:24:20,492 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:24:20,493 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:24:20,493 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:24:20,495 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:24:20,496 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:24:20" (1/1) ... [2018-11-18 11:24:20,497 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@411459c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:20, skipping insertion in model container [2018-11-18 11:24:20,497 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:24:20" (1/1) ... [2018-11-18 11:24:20,503 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:24:20,551 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:24:20,932 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:24:20,935 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:24:21,129 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:24:21,233 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:24:21,233 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:21 WrapperNode [2018-11-18 11:24:21,233 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:24:21,234 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:24:21,234 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:24:21,234 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:24:21,240 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:21" (1/1) ... [2018-11-18 11:24:21,263 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:21" (1/1) ... [2018-11-18 11:24:21,269 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:24:21,270 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:24:21,270 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:24:21,270 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:24:21,278 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:21" (1/1) ... [2018-11-18 11:24:21,278 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:21" (1/1) ... [2018-11-18 11:24:21,283 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:21" (1/1) ... [2018-11-18 11:24:21,283 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:21" (1/1) ... [2018-11-18 11:24:21,311 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:21" (1/1) ... [2018-11-18 11:24:21,320 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:21" (1/1) ... [2018-11-18 11:24:21,329 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:21" (1/1) ... [2018-11-18 11:24:21,338 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:24:21,339 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:24:21,339 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:24:21,339 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:24:21,340 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/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 [2018-11-18 11:24:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:24:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:24:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:24:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 11:24:21,392 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 11:24:21,392 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 11:24:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 11:24:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:24:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:24:21,393 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:24:21,393 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:24:22,680 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:24:22,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:24:22 BoogieIcfgContainer [2018-11-18 11:24:22,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:24:22,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:24:22,682 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:24:22,684 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:24:22,684 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:24:20" (1/3) ... [2018-11-18 11:24:22,684 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498053e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:24:22, skipping insertion in model container [2018-11-18 11:24:22,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:24:21" (2/3) ... [2018-11-18 11:24:22,685 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@498053e0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:24:22, skipping insertion in model container [2018-11-18 11:24:22,685 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:24:22" (3/3) ... [2018-11-18 11:24:22,686 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label49_true-unreach-call.c [2018-11-18 11:24:22,692 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:24:22,698 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:24:22,708 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:24:22,730 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:24:22,731 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:24:22,731 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:24:22,731 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:24:22,731 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:24:22,731 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:24:22,731 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:24:22,731 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:24:22,750 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 11:24:22,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2018-11-18 11:24:22,756 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:24:22,757 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:24:22,758 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:24:22,762 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:24:22,762 INFO L82 PathProgramCache]: Analyzing trace with hash -854858477, now seen corresponding path program 1 times [2018-11-18 11:24:22,763 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:24:22,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:24:22,792 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:24:22,792 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:24:22,792 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:24:22,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:22,982 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:22,983 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:24:22,983 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:24:22,984 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:24:22,987 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:24:22,995 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:24:22,995 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:24:22,997 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 4 states. [2018-11-18 11:24:24,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:24:24,855 INFO L93 Difference]: Finished difference Result 1513 states and 2838 transitions. [2018-11-18 11:24:24,856 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:24:24,857 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 67 [2018-11-18 11:24:24,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:24:24,873 INFO L225 Difference]: With dead ends: 1513 [2018-11-18 11:24:24,873 INFO L226 Difference]: Without dead ends: 1097 [2018-11-18 11:24:24,878 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:24:24,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1097 states. [2018-11-18 11:24:24,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1097 to 744. [2018-11-18 11:24:24,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 11:24:24,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1301 transitions. [2018-11-18 11:24:24,944 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1301 transitions. Word has length 67 [2018-11-18 11:24:24,944 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:24:24,944 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1301 transitions. [2018-11-18 11:24:24,944 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:24:24,945 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1301 transitions. [2018-11-18 11:24:24,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 11:24:24,949 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:24:24,950 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 11:24:24,950 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:24:24,950 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:24:24,950 INFO L82 PathProgramCache]: Analyzing trace with hash 1317509741, now seen corresponding path program 1 times [2018-11-18 11:24:24,950 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:24:24,951 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:24:24,951 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:24:24,952 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:24:24,952 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:24:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:25,102 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:25,102 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:24:25,103 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:24:25,103 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:24:25,104 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:24:25,104 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:24:25,104 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:24:25,105 INFO L87 Difference]: Start difference. First operand 744 states and 1301 transitions. Second operand 6 states. [2018-11-18 11:24:26,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:24:26,491 INFO L93 Difference]: Finished difference Result 2196 states and 3924 transitions. [2018-11-18 11:24:26,492 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:24:26,492 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 138 [2018-11-18 11:24:26,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:24:26,499 INFO L225 Difference]: With dead ends: 2196 [2018-11-18 11:24:26,499 INFO L226 Difference]: Without dead ends: 1458 [2018-11-18 11:24:26,501 INFO L604 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 [2018-11-18 11:24:26,501 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1458 states. [2018-11-18 11:24:26,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1458 to 1438. [2018-11-18 11:24:26,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1438 states. [2018-11-18 11:24:26,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 2463 transitions. [2018-11-18 11:24:26,533 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 2463 transitions. Word has length 138 [2018-11-18 11:24:26,533 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:24:26,533 INFO L480 AbstractCegarLoop]: Abstraction has 1438 states and 2463 transitions. [2018-11-18 11:24:26,534 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:24:26,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 2463 transitions. [2018-11-18 11:24:26,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 11:24:26,536 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:24:26,536 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 11:24:26,537 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:24:26,537 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:24:26,537 INFO L82 PathProgramCache]: Analyzing trace with hash 1542259272, now seen corresponding path program 1 times [2018-11-18 11:24:26,537 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:24:26,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:24:26,538 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:24:26,538 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:24:26,538 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:24:26,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:26,625 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:26,625 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:24:26,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-18 11:24:26,626 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:24:26,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-18 11:24:26,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-18 11:24:26,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-18 11:24:26,627 INFO L87 Difference]: Start difference. First operand 1438 states and 2463 transitions. Second operand 5 states. [2018-11-18 11:24:27,968 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:24:27,969 INFO L93 Difference]: Finished difference Result 3597 states and 6200 transitions. [2018-11-18 11:24:27,969 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:24:27,969 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 139 [2018-11-18 11:24:27,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:24:27,978 INFO L225 Difference]: With dead ends: 3597 [2018-11-18 11:24:27,979 INFO L226 Difference]: Without dead ends: 2165 [2018-11-18 11:24:27,983 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-18 11:24:27,985 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2165 states. [2018-11-18 11:24:28,026 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2165 to 2145. [2018-11-18 11:24:28,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2145 states. [2018-11-18 11:24:28,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2145 states to 2145 states and 3126 transitions. [2018-11-18 11:24:28,033 INFO L78 Accepts]: Start accepts. Automaton has 2145 states and 3126 transitions. Word has length 139 [2018-11-18 11:24:28,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:24:28,033 INFO L480 AbstractCegarLoop]: Abstraction has 2145 states and 3126 transitions. [2018-11-18 11:24:28,033 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-18 11:24:28,033 INFO L276 IsEmpty]: Start isEmpty. Operand 2145 states and 3126 transitions. [2018-11-18 11:24:28,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-11-18 11:24:28,037 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:24:28,037 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2018-11-18 11:24:28,037 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:24:28,038 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:24:28,038 INFO L82 PathProgramCache]: Analyzing trace with hash -353980736, now seen corresponding path program 1 times [2018-11-18 11:24:28,038 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:24:28,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:24:28,039 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:24:28,039 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:24:28,039 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:24:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:28,237 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:28,238 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:24:28,238 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:24:28,238 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:24:28,239 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:24:28,239 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:24:28,239 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:24:28,239 INFO L87 Difference]: Start difference. First operand 2145 states and 3126 transitions. Second operand 6 states. [2018-11-18 11:24:29,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:24:29,882 INFO L93 Difference]: Finished difference Result 7058 states and 10436 transitions. [2018-11-18 11:24:29,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:24:29,883 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 231 [2018-11-18 11:24:29,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:24:29,901 INFO L225 Difference]: With dead ends: 7058 [2018-11-18 11:24:29,901 INFO L226 Difference]: Without dead ends: 4919 [2018-11-18 11:24:29,913 INFO L604 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 [2018-11-18 11:24:29,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4919 states. [2018-11-18 11:24:29,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4919 to 4879. [2018-11-18 11:24:29,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4879 states. [2018-11-18 11:24:30,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4879 states to 4879 states and 6857 transitions. [2018-11-18 11:24:30,010 INFO L78 Accepts]: Start accepts. Automaton has 4879 states and 6857 transitions. Word has length 231 [2018-11-18 11:24:30,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:24:30,011 INFO L480 AbstractCegarLoop]: Abstraction has 4879 states and 6857 transitions. [2018-11-18 11:24:30,011 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:24:30,011 INFO L276 IsEmpty]: Start isEmpty. Operand 4879 states and 6857 transitions. [2018-11-18 11:24:30,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-11-18 11:24:30,015 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:24:30,016 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:24:30,016 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:24:30,016 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:24:30,016 INFO L82 PathProgramCache]: Analyzing trace with hash 1524621864, now seen corresponding path program 1 times [2018-11-18 11:24:30,016 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:24:30,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:24:30,017 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:24:30,017 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:24:30,018 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:24:30,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:30,264 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:30,264 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:24:30,264 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:24:30,264 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:24:30,265 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:24:30,265 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:24:30,265 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:24:30,265 INFO L87 Difference]: Start difference. First operand 4879 states and 6857 transitions. Second operand 6 states. [2018-11-18 11:24:31,848 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:24:31,848 INFO L93 Difference]: Finished difference Result 12216 states and 17406 transitions. [2018-11-18 11:24:31,848 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:24:31,849 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 251 [2018-11-18 11:24:31,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:24:31,871 INFO L225 Difference]: With dead ends: 12216 [2018-11-18 11:24:31,871 INFO L226 Difference]: Without dead ends: 7343 [2018-11-18 11:24:31,888 INFO L604 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 [2018-11-18 11:24:31,893 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7343 states. [2018-11-18 11:24:32,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7343 to 7306. [2018-11-18 11:24:32,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7306 states. [2018-11-18 11:24:32,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7306 states to 7306 states and 9825 transitions. [2018-11-18 11:24:32,039 INFO L78 Accepts]: Start accepts. Automaton has 7306 states and 9825 transitions. Word has length 251 [2018-11-18 11:24:32,039 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:24:32,039 INFO L480 AbstractCegarLoop]: Abstraction has 7306 states and 9825 transitions. [2018-11-18 11:24:32,039 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:24:32,040 INFO L276 IsEmpty]: Start isEmpty. Operand 7306 states and 9825 transitions. [2018-11-18 11:24:32,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-11-18 11:24:32,042 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:24:32,042 INFO L375 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:24:32,042 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:24:32,042 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:24:32,042 INFO L82 PathProgramCache]: Analyzing trace with hash 331280388, now seen corresponding path program 1 times [2018-11-18 11:24:32,043 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:24:32,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:24:32,043 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:24:32,043 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:24:32,043 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:24:32,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:32,252 INFO L134 CoverageAnalysis]: Checked inductivity of 191 backedges. 179 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:24:32,252 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:24:32,252 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:24:32,253 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 269 with the following transitions: [2018-11-18 11:24:32,254 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], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:24:32,284 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:24:32,285 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:24:32,598 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:24:32,599 INFO L272 AbstractInterpreter]: Visited 135 different actions 135 times. Never merged. Never widened. Performed 1263 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1263 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 11:24:32,610 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:24:32,611 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:24:32,881 INFO L227 lantSequenceWeakener]: Weakened 259 states. On average, predicates are now at 78.16% of their original sizes. [2018-11-18 11:24:32,881 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:24:32,917 INFO L415 sIntCurrentIteration]: We unified 267 AI predicates to 267 [2018-11-18 11:24:32,918 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:24:32,919 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:24:32,919 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [10] total 14 [2018-11-18 11:24:32,919 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:24:32,919 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:24:32,920 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:24:32,920 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:24:32,920 INFO L87 Difference]: Start difference. First operand 7306 states and 9825 transitions. Second operand 6 states. [2018-11-18 11:24:51,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:24:51,220 INFO L93 Difference]: Finished difference Result 14946 states and 20038 transitions. [2018-11-18 11:24:51,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:24:51,221 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 268 [2018-11-18 11:24:51,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:24:51,233 INFO L225 Difference]: With dead ends: 14946 [2018-11-18 11:24:51,234 INFO L226 Difference]: Without dead ends: 7646 [2018-11-18 11:24:51,243 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 268 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:24:51,248 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7646 states. [2018-11-18 11:24:51,314 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7646 to 7644. [2018-11-18 11:24:51,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7644 states. [2018-11-18 11:24:51,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7644 states to 7644 states and 10172 transitions. [2018-11-18 11:24:51,323 INFO L78 Accepts]: Start accepts. Automaton has 7644 states and 10172 transitions. Word has length 268 [2018-11-18 11:24:51,323 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:24:51,323 INFO L480 AbstractCegarLoop]: Abstraction has 7644 states and 10172 transitions. [2018-11-18 11:24:51,323 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:24:51,323 INFO L276 IsEmpty]: Start isEmpty. Operand 7644 states and 10172 transitions. [2018-11-18 11:24:51,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2018-11-18 11:24:51,326 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:24:51,327 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:24:51,327 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:24:51,327 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:24:51,327 INFO L82 PathProgramCache]: Analyzing trace with hash -2119334232, now seen corresponding path program 1 times [2018-11-18 11:24:51,327 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:24:51,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:24:51,328 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:24:51,328 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:24:51,328 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:24:51,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:24:51,483 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 11:24:51,484 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:24:51,484 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:24:51,484 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 316 with the following transitions: [2018-11-18 11:24:51,484 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], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [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], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:24:51,491 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:24:51,491 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:24:51,877 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:24:51,877 INFO L272 AbstractInterpreter]: Visited 255 different actions 752 times. Merged at 5 different actions 9 times. Never widened. Performed 8785 root evaluator evaluations with a maximum evaluation depth of 3. Performed 8785 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 11:24:51,886 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:24:51,886 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:24:52,130 INFO L227 lantSequenceWeakener]: Weakened 312 states. On average, predicates are now at 80.73% of their original sizes. [2018-11-18 11:24:52,130 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:24:52,175 INFO L415 sIntCurrentIteration]: We unified 314 AI predicates to 314 [2018-11-18 11:24:52,175 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:24:52,175 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:24:52,175 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2018-11-18 11:24:52,175 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:24:52,176 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:24:52,176 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:24:52,176 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:24:52,176 INFO L87 Difference]: Start difference. First operand 7644 states and 10172 transitions. Second operand 9 states. [2018-11-18 11:26:03,378 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:26:03,379 INFO L93 Difference]: Finished difference Result 15880 states and 21216 transitions. [2018-11-18 11:26:03,379 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2018-11-18 11:26:03,379 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 315 [2018-11-18 11:26:03,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:26:03,404 INFO L225 Difference]: With dead ends: 15880 [2018-11-18 11:26:03,404 INFO L226 Difference]: Without dead ends: 8580 [2018-11-18 11:26:03,426 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 321 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 11:26:03,431 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8580 states. [2018-11-18 11:26:03,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8580 to 8571. [2018-11-18 11:26:03,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8571 states. [2018-11-18 11:26:03,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8571 states to 8571 states and 11166 transitions. [2018-11-18 11:26:03,589 INFO L78 Accepts]: Start accepts. Automaton has 8571 states and 11166 transitions. Word has length 315 [2018-11-18 11:26:03,589 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:26:03,589 INFO L480 AbstractCegarLoop]: Abstraction has 8571 states and 11166 transitions. [2018-11-18 11:26:03,589 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:26:03,589 INFO L276 IsEmpty]: Start isEmpty. Operand 8571 states and 11166 transitions. [2018-11-18 11:26:03,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2018-11-18 11:26:03,596 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:26:03,596 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:26:03,597 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:26:03,597 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:03,597 INFO L82 PathProgramCache]: Analyzing trace with hash -1198417913, now seen corresponding path program 1 times [2018-11-18 11:26:03,597 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:26:03,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:03,598 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:26:03,598 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:03,598 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:26:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:03,943 INFO L134 CoverageAnalysis]: Checked inductivity of 414 backedges. 252 proven. 116 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-18 11:26:03,943 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:26:03,943 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:26:03,943 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 361 with the following transitions: [2018-11-18 11:26:03,944 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], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [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], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:26:03,946 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:26:03,946 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:26:04,061 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:26:04,061 INFO L272 AbstractInterpreter]: Visited 139 different actions 404 times. Merged at 5 different actions 9 times. Never widened. Performed 4088 root evaluator evaluations with a maximum evaluation depth of 7. Performed 4088 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 11:26:04,065 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:04,065 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:26:04,231 INFO L227 lantSequenceWeakener]: Weakened 357 states. On average, predicates are now at 80.68% of their original sizes. [2018-11-18 11:26:04,231 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:26:04,275 INFO L415 sIntCurrentIteration]: We unified 359 AI predicates to 359 [2018-11-18 11:26:04,275 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:26:04,275 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:26:04,276 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-11-18 11:26:04,276 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:26:04,276 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:26:04,276 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:26:04,276 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:26:04,277 INFO L87 Difference]: Start difference. First operand 8571 states and 11166 transitions. Second operand 10 states. [2018-11-18 11:26:52,209 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:26:52,209 INFO L93 Difference]: Finished difference Result 20262 states and 26504 transitions. [2018-11-18 11:26:52,209 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-18 11:26:52,209 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 360 [2018-11-18 11:26:52,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:26:52,242 INFO L225 Difference]: With dead ends: 20262 [2018-11-18 11:26:52,242 INFO L226 Difference]: Without dead ends: 12035 [2018-11-18 11:26:52,261 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 369 GetRequests, 351 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2018-11-18 11:26:52,270 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12035 states. [2018-11-18 11:26:52,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12035 to 11985. [2018-11-18 11:26:52,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11985 states. [2018-11-18 11:26:52,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11985 states to 11985 states and 14953 transitions. [2018-11-18 11:26:52,444 INFO L78 Accepts]: Start accepts. Automaton has 11985 states and 14953 transitions. Word has length 360 [2018-11-18 11:26:52,445 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:26:52,445 INFO L480 AbstractCegarLoop]: Abstraction has 11985 states and 14953 transitions. [2018-11-18 11:26:52,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:26:52,445 INFO L276 IsEmpty]: Start isEmpty. Operand 11985 states and 14953 transitions. [2018-11-18 11:26:52,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2018-11-18 11:26:52,456 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:26:52,457 INFO L375 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:26:52,457 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:26:52,457 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:52,457 INFO L82 PathProgramCache]: Analyzing trace with hash 413579817, now seen corresponding path program 1 times [2018-11-18 11:26:52,458 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:26:52,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:52,458 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:26:52,458 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:26:52,459 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:26:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:26:52,792 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 0 proven. 112 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-11-18 11:26:52,792 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:26:52,792 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:26:52,793 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 474 with the following transitions: [2018-11-18 11:26:52,794 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], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1024], [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], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:26:52,799 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:26:52,799 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:26:53,135 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:26:53,135 INFO L272 AbstractInterpreter]: Visited 256 different actions 760 times. Merged at 7 different actions 14 times. Never widened. Performed 8907 root evaluator evaluations with a maximum evaluation depth of 15. Performed 8907 inverse root evaluator evaluations with a maximum inverse evaluation depth of 15. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 11:26:53,137 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:26:53,137 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:26:53,382 INFO L227 lantSequenceWeakener]: Weakened 470 states. On average, predicates are now at 80.57% of their original sizes. [2018-11-18 11:26:53,382 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:26:53,416 INFO L415 sIntCurrentIteration]: We unified 472 AI predicates to 472 [2018-11-18 11:26:53,416 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:26:53,417 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:26:53,417 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [4] total 11 [2018-11-18 11:26:53,417 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:26:53,417 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:26:53,417 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:26:53,418 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:26:53,418 INFO L87 Difference]: Start difference. First operand 11985 states and 14953 transitions. Second operand 9 states. [2018-11-18 11:27:38,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:27:38,438 INFO L93 Difference]: Finished difference Result 25606 states and 32045 transitions. [2018-11-18 11:27:38,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 11:27:38,438 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 473 [2018-11-18 11:27:38,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:27:38,469 INFO L225 Difference]: With dead ends: 25606 [2018-11-18 11:27:38,469 INFO L226 Difference]: Without dead ends: 13965 [2018-11-18 11:27:38,487 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 479 GetRequests, 465 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 11:27:38,495 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13965 states. [2018-11-18 11:27:38,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13965 to 13939. [2018-11-18 11:27:38,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 13939 states. [2018-11-18 11:27:38,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13939 states to 13939 states and 17196 transitions. [2018-11-18 11:27:38,635 INFO L78 Accepts]: Start accepts. Automaton has 13939 states and 17196 transitions. Word has length 473 [2018-11-18 11:27:38,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:27:38,636 INFO L480 AbstractCegarLoop]: Abstraction has 13939 states and 17196 transitions. [2018-11-18 11:27:38,636 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:27:38,636 INFO L276 IsEmpty]: Start isEmpty. Operand 13939 states and 17196 transitions. [2018-11-18 11:27:38,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 509 [2018-11-18 11:27:38,646 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:27:38,646 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:27:38,647 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:27:38,647 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:27:38,647 INFO L82 PathProgramCache]: Analyzing trace with hash -1374580577, now seen corresponding path program 1 times [2018-11-18 11:27:38,647 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:27:38,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:38,648 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:27:38,648 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:38,648 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:27:38,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:27:39,052 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 313 proven. 139 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:27:39,052 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:27:39,052 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:27:39,052 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 509 with the following transitions: [2018-11-18 11:27:39,053 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], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:27:39,056 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:27:39,056 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:27:39,389 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:27:39,389 INFO L272 AbstractInterpreter]: Visited 250 different actions 743 times. Merged at 8 different actions 17 times. Never widened. Performed 8347 root evaluator evaluations with a maximum evaluation depth of 18. Performed 8347 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 4 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 11:27:39,394 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:27:39,395 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:27:39,395 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:27:39,395 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/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 [2018-11-18 11:27:39,402 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:27:39,402 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:27:39,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:27:39,509 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:27:39,648 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-11-18 11:27:39,648 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:27:39,761 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 266 trivial. 0 not checked. [2018-11-18 11:27:39,778 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:27:39,778 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [13] total 15 [2018-11-18 11:27:39,778 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:27:39,779 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:27:39,779 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:27:39,779 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-18 11:27:39,779 INFO L87 Difference]: Start difference. First operand 13939 states and 17196 transitions. Second operand 3 states. [2018-11-18 11:27:40,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:27:40,808 INFO L93 Difference]: Finished difference Result 30248 states and 37989 transitions. [2018-11-18 11:27:40,808 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:27:40,808 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 508 [2018-11-18 11:27:40,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:27:40,845 INFO L225 Difference]: With dead ends: 30248 [2018-11-18 11:27:40,845 INFO L226 Difference]: Without dead ends: 16653 [2018-11-18 11:27:40,889 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1029 GetRequests, 1016 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=166, Unknown=0, NotChecked=0, Total=210 [2018-11-18 11:27:40,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16653 states. [2018-11-18 11:27:41,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16653 to 16653. [2018-11-18 11:27:41,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16653 states. [2018-11-18 11:27:41,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16653 states to 16653 states and 20300 transitions. [2018-11-18 11:27:41,056 INFO L78 Accepts]: Start accepts. Automaton has 16653 states and 20300 transitions. Word has length 508 [2018-11-18 11:27:41,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:27:41,057 INFO L480 AbstractCegarLoop]: Abstraction has 16653 states and 20300 transitions. [2018-11-18 11:27:41,057 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:27:41,057 INFO L276 IsEmpty]: Start isEmpty. Operand 16653 states and 20300 transitions. [2018-11-18 11:27:41,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 558 [2018-11-18 11:27:41,066 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:27:41,066 INFO L375 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:27:41,067 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:27:41,067 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:27:41,067 INFO L82 PathProgramCache]: Analyzing trace with hash 436440209, now seen corresponding path program 1 times [2018-11-18 11:27:41,067 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:27:41,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:41,068 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:27:41,068 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:27:41,068 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:27:41,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:27:42,115 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 138 proven. 222 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:27:42,115 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:27:42,115 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:27:42,115 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 558 with the following transitions: [2018-11-18 11:27:42,115 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], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:27:42,119 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:27:42,119 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:27:42,267 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:27:42,267 INFO L272 AbstractInterpreter]: Visited 258 different actions 510 times. Merged at 5 different actions 5 times. Never widened. Performed 5453 root evaluator evaluations with a maximum evaluation depth of 9. Performed 5453 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 11:27:42,268 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:27:42,269 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:27:42,573 INFO L227 lantSequenceWeakener]: Weakened 554 states. On average, predicates are now at 77.71% of their original sizes. [2018-11-18 11:27:42,573 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:27:42,619 INFO L415 sIntCurrentIteration]: We unified 556 AI predicates to 556 [2018-11-18 11:27:42,619 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:27:42,619 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:27:42,619 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-11-18 11:27:42,619 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:27:42,620 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:27:42,620 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:27:42,620 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:27:42,620 INFO L87 Difference]: Start difference. First operand 16653 states and 20300 transitions. Second operand 10 states. [2018-11-18 11:29:10,364 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:29:10,364 INFO L93 Difference]: Finished difference Result 33305 states and 40640 transitions. [2018-11-18 11:29:10,364 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 11:29:10,364 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 557 [2018-11-18 11:29:10,365 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:29:10,393 INFO L225 Difference]: With dead ends: 33305 [2018-11-18 11:29:10,393 INFO L226 Difference]: Without dead ends: 16996 [2018-11-18 11:29:10,413 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 564 GetRequests, 548 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 11:29:10,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16996 states. [2018-11-18 11:29:10,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16996 to 16993. [2018-11-18 11:29:10,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16993 states. [2018-11-18 11:29:10,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16993 states to 16993 states and 20659 transitions. [2018-11-18 11:29:10,585 INFO L78 Accepts]: Start accepts. Automaton has 16993 states and 20659 transitions. Word has length 557 [2018-11-18 11:29:10,585 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:29:10,585 INFO L480 AbstractCegarLoop]: Abstraction has 16993 states and 20659 transitions. [2018-11-18 11:29:10,586 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 11:29:10,586 INFO L276 IsEmpty]: Start isEmpty. Operand 16993 states and 20659 transitions. [2018-11-18 11:29:10,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 650 [2018-11-18 11:29:10,595 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:29:10,595 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:29:10,596 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:29:10,596 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:29:10,596 INFO L82 PathProgramCache]: Analyzing trace with hash 1623167214, now seen corresponding path program 1 times [2018-11-18 11:29:10,596 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:29:10,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:10,597 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:29:10,597 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:10,597 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:29:10,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:29:11,695 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 275 proven. 239 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-18 11:29:11,695 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:29:11,695 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:29:11,695 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 650 with the following transitions: [2018-11-18 11:29:11,696 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], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [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], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1392], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:29:11,699 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:29:11,699 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:29:12,082 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:29:12,083 INFO L272 AbstractInterpreter]: Visited 260 different actions 1040 times. Merged at 8 different actions 36 times. Never widened. Performed 12384 root evaluator evaluations with a maximum evaluation depth of 9. Performed 12384 inverse root evaluator evaluations with a maximum inverse evaluation depth of 9. Found 8 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 11:29:12,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:29:12,084 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:29:12,084 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:29:12,084 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/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 [2018-11-18 11:29:12,091 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:29:12,091 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:29:12,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:29:12,182 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:29:12,379 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 541 proven. 2 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2018-11-18 11:29:12,379 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:29:12,701 INFO L134 CoverageAnalysis]: Checked inductivity of 604 backedges. 275 proven. 239 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-18 11:29:12,719 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:29:12,720 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 5, 5] total 19 [2018-11-18 11:29:12,720 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:29:12,721 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 11:29:12,721 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 11:29:12,721 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=79, Invalid=263, Unknown=0, NotChecked=0, Total=342 [2018-11-18 11:29:12,721 INFO L87 Difference]: Start difference. First operand 16993 states and 20659 transitions. Second operand 16 states. [2018-11-18 11:29:19,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:29:19,233 INFO L93 Difference]: Finished difference Result 44660 states and 56368 transitions. [2018-11-18 11:29:19,234 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2018-11-18 11:29:19,234 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 649 [2018-11-18 11:29:19,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:29:19,267 INFO L225 Difference]: With dead ends: 44660 [2018-11-18 11:29:19,267 INFO L226 Difference]: Without dead ends: 21514 [2018-11-18 11:29:19,334 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1391 GetRequests, 1330 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1124 ImplicationChecksByTransitivity, 1.3s TimeCoverageRelationStatistics Valid=833, Invalid=3073, Unknown=0, NotChecked=0, Total=3906 [2018-11-18 11:29:19,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21514 states. [2018-11-18 11:29:19,505 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21514 to 19741. [2018-11-18 11:29:19,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 19741 states. [2018-11-18 11:29:19,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19741 states to 19741 states and 21765 transitions. [2018-11-18 11:29:19,526 INFO L78 Accepts]: Start accepts. Automaton has 19741 states and 21765 transitions. Word has length 649 [2018-11-18 11:29:19,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:29:19,526 INFO L480 AbstractCegarLoop]: Abstraction has 19741 states and 21765 transitions. [2018-11-18 11:29:19,526 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 11:29:19,527 INFO L276 IsEmpty]: Start isEmpty. Operand 19741 states and 21765 transitions. [2018-11-18 11:29:19,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 667 [2018-11-18 11:29:19,533 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:29:19,533 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:29:19,533 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:29:19,534 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:29:19,534 INFO L82 PathProgramCache]: Analyzing trace with hash -77990835, now seen corresponding path program 1 times [2018-11-18 11:29:19,534 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:29:19,534 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:19,534 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:29:19,535 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:19,535 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:29:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:29:19,761 INFO L134 CoverageAnalysis]: Checked inductivity of 630 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 444 trivial. 0 not checked. [2018-11-18 11:29:19,761 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:29:19,761 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-11-18 11:29:19,761 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:29:19,762 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-11-18 11:29:19,762 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-11-18 11:29:19,762 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:29:19,762 INFO L87 Difference]: Start difference. First operand 19741 states and 21765 transitions. Second operand 4 states. [2018-11-18 11:29:20,767 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:29:20,767 INFO L93 Difference]: Finished difference Result 43221 states and 48548 transitions. [2018-11-18 11:29:20,768 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-11-18 11:29:20,768 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 666 [2018-11-18 11:29:20,768 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:29:20,812 INFO L225 Difference]: With dead ends: 43221 [2018-11-18 11:29:20,812 INFO L226 Difference]: Without dead ends: 26237 [2018-11-18 11:29:20,844 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-11-18 11:29:20,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26237 states. [2018-11-18 11:29:21,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26237 to 25894. [2018-11-18 11:29:21,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 25894 states. [2018-11-18 11:29:21,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25894 states to 25894 states and 28373 transitions. [2018-11-18 11:29:21,100 INFO L78 Accepts]: Start accepts. Automaton has 25894 states and 28373 transitions. Word has length 666 [2018-11-18 11:29:21,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:29:21,101 INFO L480 AbstractCegarLoop]: Abstraction has 25894 states and 28373 transitions. [2018-11-18 11:29:21,101 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-11-18 11:29:21,101 INFO L276 IsEmpty]: Start isEmpty. Operand 25894 states and 28373 transitions. [2018-11-18 11:29:21,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 891 [2018-11-18 11:29:21,112 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:29:21,113 INFO L375 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:29:21,113 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:29:21,113 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:29:21,113 INFO L82 PathProgramCache]: Analyzing trace with hash 373060886, now seen corresponding path program 1 times [2018-11-18 11:29:21,113 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:29:21,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:21,114 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:29:21,114 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:21,114 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:29:21,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:29:22,227 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 624 proven. 721 refuted. 0 times theorem prover too weak. 676 trivial. 0 not checked. [2018-11-18 11:29:22,227 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:29:22,228 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:29:22,228 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 891 with the following transitions: [2018-11-18 11:29:22,228 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], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [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], [860], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:29:22,230 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:29:22,230 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:29:22,760 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:29:22,760 INFO L272 AbstractInterpreter]: Visited 261 different actions 1304 times. Merged at 11 different actions 46 times. Widened at 1 different actions 1 times. Performed 15816 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15816 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 11:29:22,766 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:29:22,766 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:29:22,766 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:29:22,766 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/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 [2018-11-18 11:29:22,777 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:29:22,777 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:29:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:29:22,882 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:29:23,134 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 1460 proven. 2 refuted. 0 times theorem prover too weak. 559 trivial. 0 not checked. [2018-11-18 11:29:23,134 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:29:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2021 backedges. 727 proven. 223 refuted. 0 times theorem prover too weak. 1071 trivial. 0 not checked. [2018-11-18 11:29:23,454 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:29:23,455 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-18 11:29:23,455 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:29:23,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 11:29:23,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 11:29:23,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-18 11:29:23,457 INFO L87 Difference]: Start difference. First operand 25894 states and 28373 transitions. Second operand 15 states. [2018-11-18 11:29:28,468 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:29:28,468 INFO L93 Difference]: Finished difference Result 56201 states and 61691 transitions. [2018-11-18 11:29:28,469 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-18 11:29:28,469 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 890 [2018-11-18 11:29:28,469 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:29:28,515 INFO L225 Difference]: With dead ends: 56201 [2018-11-18 11:29:28,515 INFO L226 Difference]: Without dead ends: 30991 [2018-11-18 11:29:28,554 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1871 GetRequests, 1812 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1008 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=680, Invalid=2742, Unknown=0, NotChecked=0, Total=3422 [2018-11-18 11:29:28,569 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30991 states. [2018-11-18 11:29:28,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30991 to 28579. [2018-11-18 11:29:28,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28579 states. [2018-11-18 11:29:28,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28579 states to 28579 states and 30707 transitions. [2018-11-18 11:29:28,805 INFO L78 Accepts]: Start accepts. Automaton has 28579 states and 30707 transitions. Word has length 890 [2018-11-18 11:29:28,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:29:28,805 INFO L480 AbstractCegarLoop]: Abstraction has 28579 states and 30707 transitions. [2018-11-18 11:29:28,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 11:29:28,805 INFO L276 IsEmpty]: Start isEmpty. Operand 28579 states and 30707 transitions. [2018-11-18 11:29:28,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1338 [2018-11-18 11:29:28,834 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:29:28,835 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:29:28,835 INFO L423 AbstractCegarLoop]: === Iteration 15 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:29:28,835 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:29:28,836 INFO L82 PathProgramCache]: Analyzing trace with hash -1697520798, now seen corresponding path program 1 times [2018-11-18 11:29:28,836 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:29:28,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:28,836 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:29:28,836 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:28,836 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:29:28,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:29:29,748 INFO L134 CoverageAnalysis]: Checked inductivity of 3276 backedges. 885 proven. 228 refuted. 0 times theorem prover too weak. 2163 trivial. 0 not checked. [2018-11-18 11:29:29,749 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:29:29,749 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:29:29,749 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1338 with the following transitions: [2018-11-18 11:29:29,749 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], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [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], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:29:29,752 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:29:29,752 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:29:30,668 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:29:30,668 INFO L272 AbstractInterpreter]: Visited 288 different actions 1159 times. Merged at 11 different actions 42 times. Widened at 1 different actions 1 times. Performed 13898 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13898 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 11:29:30,671 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:29:30,672 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:29:30,672 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:29:30,672 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/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 [2018-11-18 11:29:30,678 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:29:30,678 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:29:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:29:30,826 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:29:31,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3276 backedges. 2251 proven. 2 refuted. 0 times theorem prover too weak. 1023 trivial. 0 not checked. [2018-11-18 11:29:31,359 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:29:32,061 INFO L134 CoverageAnalysis]: Checked inductivity of 3276 backedges. 885 proven. 228 refuted. 0 times theorem prover too weak. 2163 trivial. 0 not checked. [2018-11-18 11:29:32,078 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:29:32,078 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 11:29:32,078 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:29:32,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:29:32,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:29:32,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:29:32,080 INFO L87 Difference]: Start difference. First operand 28579 states and 30707 transitions. Second operand 9 states. [2018-11-18 11:29:33,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:29:33,869 INFO L93 Difference]: Finished difference Result 54818 states and 59014 transitions. [2018-11-18 11:29:33,870 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 11:29:33,870 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1337 [2018-11-18 11:29:33,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:29:33,907 INFO L225 Difference]: With dead ends: 54818 [2018-11-18 11:29:33,907 INFO L226 Difference]: Without dead ends: 27306 [2018-11-18 11:29:33,938 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2691 GetRequests, 2675 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-18 11:29:33,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27306 states. [2018-11-18 11:29:34,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27306 to 26665. [2018-11-18 11:29:34,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26665 states. [2018-11-18 11:29:34,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26665 states to 26665 states and 28280 transitions. [2018-11-18 11:29:34,172 INFO L78 Accepts]: Start accepts. Automaton has 26665 states and 28280 transitions. Word has length 1337 [2018-11-18 11:29:34,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:29:34,173 INFO L480 AbstractCegarLoop]: Abstraction has 26665 states and 28280 transitions. [2018-11-18 11:29:34,173 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:29:34,173 INFO L276 IsEmpty]: Start isEmpty. Operand 26665 states and 28280 transitions. [2018-11-18 11:29:34,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1339 [2018-11-18 11:29:34,188 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:29:34,188 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:29:34,188 INFO L423 AbstractCegarLoop]: === Iteration 16 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:29:34,188 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:29:34,188 INFO L82 PathProgramCache]: Analyzing trace with hash 395933413, now seen corresponding path program 1 times [2018-11-18 11:29:34,189 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:29:34,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:34,189 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:29:34,189 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:29:34,189 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:29:34,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:29:35,680 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 1812 proven. 671 refuted. 0 times theorem prover too weak. 799 trivial. 0 not checked. [2018-11-18 11:29:35,680 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:29:35,680 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:29:35,681 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1339 with the following transitions: [2018-11-18 11:29:35,681 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], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [615], [617], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1385], [1389], [1393], [1397], [1401], [1405], [1409], [1413], [1417], [1421], [1425], [1429], [1433], [1437], [1441], [1445], [1449], [1453], [1457], [1461], [1465], [1469], [1473], [1477], [1481], [1485], [1488], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:29:35,684 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:29:35,684 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:29:36,488 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:29:36,489 INFO L272 AbstractInterpreter]: Visited 288 different actions 1160 times. Merged at 11 different actions 43 times. Widened at 1 different actions 1 times. Performed 13879 root evaluator evaluations with a maximum evaluation depth of 22. Performed 13879 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 13 fixpoints after 5 different actions. Largest state had 24 variables. [2018-11-18 11:29:36,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:29:36,490 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:29:36,490 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:29:36,490 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/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 [2018-11-18 11:29:36,497 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:29:36,497 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:29:36,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:29:36,643 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:29:37,233 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 438 proven. 0 refuted. 0 times theorem prover too weak. 2844 trivial. 0 not checked. [2018-11-18 11:29:37,233 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:29:37,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3282 backedges. 438 proven. 0 refuted. 0 times theorem prover too weak. 2844 trivial. 0 not checked. [2018-11-18 11:29:37,745 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:29:37,746 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 11:29:37,746 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:29:37,746 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:29:37,747 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:29:37,747 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:29:37,747 INFO L87 Difference]: Start difference. First operand 26665 states and 28280 transitions. Second operand 3 states. [2018-11-18 11:29:38,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:29:38,484 INFO L93 Difference]: Finished difference Result 52031 states and 55263 transitions. [2018-11-18 11:29:38,484 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:29:38,484 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1338 [2018-11-18 11:29:38,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:29:38,486 INFO L225 Difference]: With dead ends: 52031 [2018-11-18 11:29:38,486 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 11:29:38,530 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2690 GetRequests, 2678 SyntacticMatches, 5 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:29:38,530 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 11:29:38,530 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 11:29:38,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 11:29:38,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 11:29:38,530 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1338 [2018-11-18 11:29:38,530 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:29:38,531 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 11:29:38,531 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:29:38,531 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 11:29:38,531 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 11:29:38,533 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 11:29:38,565 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:29:38,640 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:29:38,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:29:38,803 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:29:39,029 WARN L180 SmtUtils]: Spent 483.00 ms on a formula simplification. DAG size of input: 336 DAG size of output: 312 [2018-11-18 11:29:39,138 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:29:39,292 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:29:40,439 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:29:40,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:29:40,625 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 11:29:40,748 WARN L180 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 402 DAG size of output: 375 [2018-11-18 11:29:41,365 WARN L180 SmtUtils]: Spent 589.00 ms on a formula simplification. DAG size of input: 322 DAG size of output: 48 [2018-11-18 11:29:42,442 WARN L180 SmtUtils]: Spent 1.04 s on a formula simplification. DAG size of input: 391 DAG size of output: 96 [2018-11-18 11:29:43,238 WARN L180 SmtUtils]: Spent 783.00 ms on a formula simplification. DAG size of input: 317 DAG size of output: 95 [2018-11-18 11:29:45,670 WARN L180 SmtUtils]: Spent 2.42 s on a formula simplification. DAG size of input: 395 DAG size of output: 124 [2018-11-18 11:29:46,474 WARN L180 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 383 DAG size of output: 48 [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,481 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,482 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,482 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,482 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,482 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,482 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,482 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,482 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,482 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,482 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,482 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,482 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,482 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,482 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse14 (not (= 3 |old(~a15~0)|))) (.cse20 (not (= 5 |old(~a12~0)|))) (.cse15 (not (= (+ |old(~a18~0)| 87) 0))) (.cse16 (not (= 11 |old(~a16~0)|)))) (let ((.cse18 (= |old(~a15~0)| ~a15~0)) (.cse19 (= |old(~a12~0)| ~a12~0)) (.cse6 (+ |old(~a18~0)| 79)) (.cse5 (+ ~a18~0 79)) (.cse17 (or .cse14 .cse20 .cse15 .cse16))) (let ((.cse4 (<= (+ ~a18~0 156) 0)) (.cse3 (and (or (not (= 8 |old(~a16~0)|)) .cse14 .cse20) .cse17)) (.cse8 (= 4 |old(~a15~0)|)) (.cse12 (<= .cse5 0)) (.cse9 (not (= 8 |old(~a12~0)|))) (.cse2 (= 10 |old(~a16~0)|)) (.cse11 (< 0 .cse6)) (.cse0 (and .cse18 (= ~a16~0 |old(~a16~0)|) .cse19)) (.cse10 (< 6 |old(~a12~0)|)) (.cse1 (= 12 |old(~a16~0)|)) (.cse7 (and (= |old(~a16~0)| ~a16~0) .cse18 .cse19)) (.cse13 (= 6 |old(~a12~0)|))) (and (or .cse0 (< 8 |old(~a16~0)|)) (or .cse1 .cse2 .cse0 (< 7 |old(~a12~0)|)) (or .cse3 (or .cse4 (< 0 .cse5)) (<= .cse6 0)) (or .cse3 (<= |old(~a18~0)| 134) (< 134 ~a18~0)) (or .cse7 (or .cse8 .cse9)) (or .cse10 .cse1 .cse11 .cse12) (or .cse0 (or .cse8 .cse2)) (or .cse1 .cse12 .cse2 .cse11) (or .cse4 .cse3 (< 0 (+ |old(~a18~0)| 156))) (or .cse8 .cse12 .cse9 .cse11) (or (or .cse13 .cse8 (not .cse1) .cse11) .cse12) (or .cse1 .cse7 .cse9 .cse2) (or .cse1 .cse2 .cse11 .cse0) (or .cse10 .cse1 .cse7) (or (= (+ ~a18~0 87) 0) (and (or .cse14 .cse15 (not .cse13) .cse16) .cse17)))))) [2018-11-18 11:29:46,482 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,482 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,482 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,483 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,483 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,483 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,483 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,483 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 11:29:46,483 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,483 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,483 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,483 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,483 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,483 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,483 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,483 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,483 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 11:29:46,483 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 11:29:46,484 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse1 (not (= 3 |old(~a15~0)|))) (.cse6 (not (= 5 |old(~a12~0)|))) (.cse7 (not (= (+ |old(~a18~0)| 87) 0))) (.cse2 (not (= 11 |old(~a16~0)|))) (.cse21 (+ |old(~a18~0)| 79)) (.cse22 (+ ~a18~0 79)) (.cse12 (= |old(~a15~0)| ~a15~0)) (.cse13 (= |old(~a12~0)| ~a12~0))) (let ((.cse8 (= (+ ~a18~0 87) 0)) (.cse11 (not (= 8 |old(~a12~0)|))) (.cse14 (= 6 |old(~a12~0)|)) (.cse9 (= 4 |old(~a15~0)|)) (.cse0 (and .cse12 (= ~a16~0 |old(~a16~0)|) .cse13)) (.cse20 (< 6 |old(~a12~0)|)) (.cse15 (not (= 7 |old(~a12~0)|))) (.cse5 (not (= calculate_output_~input 0))) (.cse19 (<= .cse22 0)) (.cse3 (< 0 .cse21)) (.cse17 (= 12 |old(~a16~0)|)) (.cse10 (= 10 |old(~a16~0)|)) (.cse16 (< 0 .cse22)) (.cse4 (= |calculate_output_#in~input| 0)) (.cse18 (and (or (not (= 8 |old(~a16~0)|)) .cse1 .cse6) (or .cse1 .cse6 .cse7 .cse2)))) (and (or .cse0 (< 8 |old(~a16~0)|)) (or (or .cse1 (= 0 |old(~a12~0)|) .cse2 .cse3 .cse4) .cse5) (or (or .cse1 .cse6 .cse2 .cse4 .cse7) .cse8) (or .cse9 .cse0 .cse10) (or .cse11 .cse9 (and (= |old(~a16~0)| ~a16~0) .cse12 .cse13)) (or (or (or .cse1 .cse2 .cse4) .cse11) .cse5) (or (or (< |old(~a12~0)| 9) .cse1 .cse2 .cse4) .cse5) (or .cse8 .cse4 (or .cse1 (not .cse14) .cse2) .cse7) (or (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) .cse15 (not (= ~a15~0 3)) .cse16) .cse9 .cse10) (or .cse0 .cse17 (< 8 |old(~a12~0)|) .cse10) (or (< 134 ~a18~0) .cse18 (<= |old(~a18~0)| 134) .cse4) (or .cse11 .cse3 .cse9 .cse19) (or (or .cse14 .cse9 (not .cse17) .cse3) .cse19) (or .cse0 .cse20 .cse17) (or .cse1 .cse6 .cse4 .cse5 (= 0 |old(~a16~0)|)) (or .cse17 .cse10 .cse3 .cse0) (or .cse3 .cse19 .cse20 .cse17) (or (or .cse1 .cse15 .cse2 .cse4) .cse5) (or .cse19 .cse3 .cse17 .cse10) (or (and (<= .cse21 0) (< 0 (+ |old(~a18~0)| 156))) (or (<= (+ ~a18~0 156) 0) .cse16) .cse4 .cse18)))) [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,485 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,486 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,487 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,488 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,489 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,489 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,489 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,489 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,489 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,489 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,489 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 11:29:46,489 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 11:29:46,489 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 11:29:46,489 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,489 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,489 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,489 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,489 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,489 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,490 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,490 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,490 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,490 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,490 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,490 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,490 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 11:29:46,490 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,490 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 11:29:46,490 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 11:29:46,490 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,490 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,490 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,490 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,490 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,491 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,491 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse15 (+ |old(~a18~0)| 79)) (.cse16 (+ ~a18~0 79)) (.cse7 (not (= 3 |old(~a15~0)|))) (.cse11 (not (= 5 |old(~a12~0)|))) (.cse10 (not (= (+ |old(~a18~0)| 87) 0))) (.cse9 (not (= 11 |old(~a16~0)|)))) (let ((.cse5 (= (+ ~a18~0 87) 0)) (.cse8 (= 6 |old(~a12~0)|)) (.cse2 (not (= 8 |old(~a12~0)|))) (.cse14 (and (or (not (= 8 |old(~a16~0)|)) .cse7 .cse11) (or .cse7 .cse11 .cse10 .cse9))) (.cse6 (= |calculate_output_#in~input| 0)) (.cse1 (= 4 |old(~a15~0)|)) (.cse13 (= 10 |old(~a16~0)|)) (.cse0 (and (= |old(~a16~0)| ~a16~0) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0))) (.cse17 (< 6 |old(~a12~0)|)) (.cse12 (= 12 |old(~a16~0)|)) (.cse4 (<= .cse16 0)) (.cse3 (< 0 .cse15))) (and (or (< 8 |old(~a16~0)|) .cse0) (or .cse1 .cse0 .cse2) (or .cse1 .cse2 .cse3 .cse4) (or .cse5 .cse6 (or .cse7 (not .cse8) .cse9) .cse10) (or .cse5 (or .cse7 .cse11 .cse9 .cse6 .cse10)) (or .cse12 .cse4 .cse13 .cse3) (or .cse14 (and (<= .cse15 0) (< 0 (+ |old(~a18~0)| 156))) .cse6 (or (<= (+ ~a18~0 156) 0) (< 0 .cse16))) (or (or .cse8 .cse1 (not .cse12) .cse3) .cse4) (or .cse12 .cse0 .cse2 .cse13) (or .cse14 (<= |old(~a18~0)| 134) (< 134 ~a18~0) .cse6) (or .cse1 .cse13 .cse0) (or .cse12 .cse13 .cse0 (< 7 |old(~a12~0)|)) (or .cse17 .cse12 .cse0) (or .cse12 .cse13 .cse3 .cse0) (or .cse17 .cse12 .cse4 .cse3)))) [2018-11-18 11:29:46,491 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,491 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,491 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,491 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,491 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,491 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,491 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,491 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,492 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 11:29:46,493 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,493 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 11:29:46,493 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 11:29:46,493 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,493 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,493 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,493 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,493 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,493 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,493 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,493 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,493 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,493 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,493 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,493 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,494 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 11:29:46,494 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 11:29:46,494 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 11:29:46,494 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,494 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,494 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,494 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,494 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,494 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,494 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,494 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,494 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,494 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,494 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,494 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,495 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 11:29:46,495 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,495 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 11:29:46,495 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 11:29:46,495 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,495 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,495 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,495 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,495 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2018-11-18 11:29:46,495 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,495 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,495 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,495 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,495 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,496 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,496 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,496 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,496 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 11:29:46,496 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 11:29:46,496 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 11:29:46,496 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,496 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,496 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,496 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,496 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,496 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,496 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,496 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,496 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,497 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,498 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,499 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,500 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,501 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,502 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,502 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,502 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,502 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,502 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,502 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,502 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,502 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 11:29:46,502 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 11:29:46,502 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 11:29:46,502 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,502 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,502 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,502 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,503 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,503 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,503 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,503 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,503 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 11:29:46,503 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 11:29:46,503 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 11:29:46,503 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 11:29:46,503 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,503 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,503 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 11:29:46,503 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 11:29:46,503 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-18 11:29:46,503 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 11:29:46,503 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 11:29:46,504 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0))) [2018-11-18 11:29:46,504 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 11:29:46,504 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse0 (= 8 ~a12~0)) (.cse3 (not (= ~a15~0 4))) (.cse1 (not (= ~a16~0 12))) (.cse2 (not (= 10 ~a16~0)))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse1 .cse2) (<= ~a16~0 8) (not (= 5 |old(~a12~0)|)) (and .cse0 .cse3) (and .cse3 .cse2) (and .cse1 (<= ~a12~0 6)) (and .cse1 (<= ~a12~0 7) .cse2) (and (<= (+ ~a18~0 79) 0) .cse1 .cse2))) [2018-11-18 11:29:46,504 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 11:29:46,504 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 11:29:46,505 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 11:29:46,505 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse0 (= 8 ~a12~0)) (.cse3 (not (= ~a15~0 4))) (.cse1 (not (= ~a16~0 12))) (.cse2 (not (= 10 ~a16~0)))) (or (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse0 .cse1 .cse2) (<= ~a16~0 8) (not (= 5 |old(~a12~0)|)) (and .cse0 .cse3) (and .cse3 .cse2) (and .cse1 (<= ~a12~0 6)) (and .cse1 (<= ~a12~0 7) .cse2) (and (<= (+ ~a18~0 79) 0) .cse1 .cse2))) [2018-11-18 11:29:46,505 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 11:29:46,514 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 11:29:46 BoogieIcfgContainer [2018-11-18 11:29:46,515 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 11:29:46,515 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 11:29:46,515 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 11:29:46,515 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 11:29:46,515 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:24:22" (3/4) ... [2018-11-18 11:29:46,517 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 11:29:46,521 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 11:29:46,521 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 11:29:46,521 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 11:29:46,522 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 11:29:46,542 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 11:29:46,544 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 11:29:46,586 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((8 == a12 && !(a16 == 12)) && !(10 == a16))) || a16 <= 8) || !(5 == \old(a12))) || (8 == a12 && !(a15 == 4))) || (!(a15 == 4) && !(10 == a16))) || (!(a16 == 12) && a12 <= 6)) || ((!(a16 == 12) && a12 <= 7) && !(10 == a16))) || ((a18 + 79 <= 0 && !(a16 == 12)) && !(10 == a16)) [2018-11-18 11:29:46,715 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bdc8bad9-d995-4d12-a8cd-69a0f143b301/bin-2019/utaipan/witness.graphml [2018-11-18 11:29:46,715 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 11:29:46,715 INFO L168 Benchmark]: Toolchain (without parser) took 326223.71 ms. Allocated memory was 1.0 GB in the beginning and 5.1 GB in the end (delta: 4.1 GB). Free memory was 953.7 MB in the beginning and 3.9 GB in the end (delta: -2.9 GB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-11-18 11:29:46,716 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 11:29:46,716 INFO L168 Benchmark]: CACSL2BoogieTranslator took 740.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 115.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:46,716 INFO L168 Benchmark]: Boogie Procedure Inliner took 35.65 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: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:46,717 INFO L168 Benchmark]: Boogie Preprocessor took 69.12 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:46,717 INFO L168 Benchmark]: RCFGBuilder took 1342.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 873.4 MB in the end (delta: 245.3 MB). Peak memory consumption was 245.3 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:46,717 INFO L168 Benchmark]: TraceAbstraction took 323832.99 ms. Allocated memory was 1.2 GB in the beginning and 5.1 GB in the end (delta: 3.9 GB). Free memory was 873.4 MB in the beginning and 3.9 GB in the end (delta: -3.1 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. [2018-11-18 11:29:46,717 INFO L168 Benchmark]: Witness Printer took 199.96 ms. Allocated memory is still 5.1 GB. Free memory was 3.9 GB in the beginning and 3.9 GB in the end (delta: 71.9 MB). Peak memory consumption was 71.9 MB. Max. memory is 11.5 GB. [2018-11-18 11:29:46,719 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 740.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.1 MB). Free memory was 953.7 MB in the beginning and 1.1 GB in the end (delta: -178.8 MB). Peak memory consumption was 115.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 35.65 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: 2.2 MB). Peak memory consumption was 2.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.12 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: 11.6 MB). Peak memory consumption was 11.6 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1342.18 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 873.4 MB in the end (delta: 245.3 MB). Peak memory consumption was 245.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 323832.99 ms. Allocated memory was 1.2 GB in the beginning and 5.1 GB in the end (delta: 3.9 GB). Free memory was 873.4 MB in the beginning and 3.9 GB in the end (delta: -3.1 GB). Peak memory consumption was 4.1 GB. Max. memory is 11.5 GB. * Witness Printer took 199.96 ms. Allocated memory is still 5.1 GB. Free memory was 3.9 GB in the beginning and 3.9 GB in the end (delta: 71.9 MB). Peak memory consumption was 71.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: 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 Derived loop invariant: (((((((((!(11 == \old(a16)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((8 == a12 && !(a16 == 12)) && !(10 == a16))) || a16 <= 8) || !(5 == \old(a12))) || (8 == a12 && !(a15 == 4))) || (!(a15 == 4) && !(10 == a16))) || (!(a16 == 12) && a12 <= 6)) || ((!(a16 == 12) && a12 <= 7) && !(10 == a16))) || ((a18 + 79 <= 0 && !(a16 == 12)) && !(10 == a16)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 323.7s OverallTime, 16 OverallIterations, 8 TraceHistogramMax, 294.9s AutomataDifference, 0.0s DeadEndRemovalTime, 7.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 3871 SDtfs, 34909 SDslu, 3522 SDs, 0 SdLazy, 46573 SolverSat, 8565 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 266.6s Time, PredicateUnifierStatistics: 10 DeclaredPredicates, 11723 GetRequests, 11460 SyntacticMatches, 13 SemanticMatches, 250 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2387 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=28579occurred in iteration=14, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.3s AbstIntTime, 10 AbstIntIterations, 5 AbstIntStrong, 0.9981571046579147 AbsIntWeakeningRatio, 0.06605691056910569 AbsIntAvgWeakeningVarsNumRemoved, 16.08231707317073 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 2.2s AutomataMinimizationTime, 16 MinimizatonAttempts, 5729 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1682 PreInvPairs, 3374 NumberOfFragments, 1492 HoareAnnotationTreeSize, 1682 FomulaSimplifications, 92306 FormulaSimplificationTreeSizeReduction, 2.1s HoareSimplificationTime, 9 FomulaSimplificationsInter, 107299 FormulaSimplificationTreeSizeReductionInter, 5.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.9s InterpolantComputationTime, 12909 NumberOfCodeBlocks, 12909 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 17605 ConstructedInterpolants, 0 QuantifiedInterpolants, 40588255 SizeOfPredicates, 5 NumberOfNonLiveVariables, 6268 ConjunctsInSsa, 20 ConjunctsInUnsatCore, 26 InterpolantComputations, 10 PerfectInterpolantSequences, 27866/31078 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...