./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label42_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label42_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/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 2dc70f935d96729dc0294c803f13c2e43305b69e ....................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 22:12:20,390 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 22:12:20,391 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 22:12:20,399 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 22:12:20,399 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 22:12:20,400 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 22:12:20,401 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 22:12:20,402 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 22:12:20,403 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 22:12:20,403 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 22:12:20,404 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 22:12:20,404 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 22:12:20,405 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 22:12:20,405 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 22:12:20,406 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 22:12:20,406 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 22:12:20,407 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 22:12:20,407 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 22:12:20,409 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 22:12:20,409 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 22:12:20,410 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 22:12:20,410 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 22:12:20,411 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 22:12:20,411 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 22:12:20,411 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 22:12:20,412 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 22:12:20,412 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 22:12:20,413 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 22:12:20,413 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 22:12:20,413 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 22:12:20,414 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 22:12:20,414 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 22:12:20,414 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 22:12:20,414 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 22:12:20,415 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 22:12:20,415 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 22:12:20,415 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-01 22:12:20,425 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 22:12:20,425 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 22:12:20,426 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 22:12:20,426 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-01 22:12:20,426 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-01 22:12:20,426 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-01 22:12:20,426 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-01 22:12:20,426 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-01 22:12:20,426 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-01 22:12:20,427 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-01 22:12:20,427 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-01 22:12:20,427 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-01 22:12:20,427 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-01 22:12:20,427 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 22:12:20,428 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 22:12:20,428 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 22:12:20,428 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 22:12:20,428 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 22:12:20,428 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 22:12:20,428 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 22:12:20,428 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 22:12:20,429 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 22:12:20,429 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 22:12:20,429 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 22:12:20,429 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 22:12:20,429 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-01 22:12:20,429 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 22:12:20,429 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-01 22:12:20,429 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:12:20,430 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 22:12:20,430 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 22:12:20,430 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 22:12:20,430 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-01 22:12:20,430 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 22:12:20,430 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 22:12:20,430 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-01 22:12:20,431 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_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/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 -> 2dc70f935d96729dc0294c803f13c2e43305b69e [2018-12-01 22:12:20,454 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 22:12:20,463 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 22:12:20,465 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 22:12:20,466 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 22:12:20,467 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 22:12:20,467 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label42_true-unreach-call.c [2018-12-01 22:12:20,502 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/data/01cc515b4/5eed206f238349498e2123b46aa7a4b1/FLAG5c03cd50f [2018-12-01 22:12:20,897 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 22:12:20,897 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/sv-benchmarks/c/eca-rers2012/Problem16_label42_true-unreach-call.c [2018-12-01 22:12:20,906 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/data/01cc515b4/5eed206f238349498e2123b46aa7a4b1/FLAG5c03cd50f [2018-12-01 22:12:20,915 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/data/01cc515b4/5eed206f238349498e2123b46aa7a4b1 [2018-12-01 22:12:20,917 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 22:12:20,918 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 22:12:20,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 22:12:20,919 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 22:12:20,921 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 22:12:20,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:12:20" (1/1) ... [2018-12-01 22:12:20,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a8209d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:20, skipping insertion in model container [2018-12-01 22:12:20,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 10:12:20" (1/1) ... [2018-12-01 22:12:20,928 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 22:12:20,964 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 22:12:21,264 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:12:21,267 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 22:12:21,429 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 22:12:21,439 INFO L195 MainTranslator]: Completed translation [2018-12-01 22:12:21,440 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:21 WrapperNode [2018-12-01 22:12:21,440 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 22:12:21,440 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 22:12:21,440 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 22:12:21,441 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 22:12:21,446 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:21" (1/1) ... [2018-12-01 22:12:21,461 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:21" (1/1) ... [2018-12-01 22:12:21,465 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 22:12:21,465 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 22:12:21,466 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 22:12:21,466 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 22:12:21,472 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:21" (1/1) ... [2018-12-01 22:12:21,472 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:21" (1/1) ... [2018-12-01 22:12:21,477 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:21" (1/1) ... [2018-12-01 22:12:21,477 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:21" (1/1) ... [2018-12-01 22:12:21,503 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:21" (1/1) ... [2018-12-01 22:12:21,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:21" (1/1) ... [2018-12-01 22:12:21,519 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:21" (1/1) ... [2018-12-01 22:12:21,527 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 22:12:21,528 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 22:12:21,528 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 22:12:21,528 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 22:12:21,529 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-01 22:12:21,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-01 22:12:21,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-01 22:12:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-12-01 22:12:21,561 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-12-01 22:12:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-01 22:12:21,561 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-01 22:12:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 22:12:21,561 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 22:12:21,561 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-01 22:12:21,561 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-01 22:12:22,828 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 22:12:22,828 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-01 22:12:22,829 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:12:22 BoogieIcfgContainer [2018-12-01 22:12:22,829 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 22:12:22,829 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-01 22:12:22,829 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-01 22:12:22,831 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-01 22:12:22,831 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 01.12 10:12:20" (1/3) ... [2018-12-01 22:12:22,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b896b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:12:22, skipping insertion in model container [2018-12-01 22:12:22,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 10:12:21" (2/3) ... [2018-12-01 22:12:22,832 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@21b896b9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 01.12 10:12:22, skipping insertion in model container [2018-12-01 22:12:22,832 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:12:22" (3/3) ... [2018-12-01 22:12:22,833 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label42_true-unreach-call.c [2018-12-01 22:12:22,838 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-01 22:12:22,843 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-01 22:12:22,853 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-01 22:12:22,878 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-01 22:12:22,878 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-01 22:12:22,878 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-01 22:12:22,878 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-01 22:12:22,878 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-01 22:12:22,878 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-01 22:12:22,878 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-01 22:12:22,878 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-01 22:12:22,894 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states. [2018-12-01 22:12:22,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-01 22:12:22,898 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:12:22,899 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:12:22,900 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:12:22,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:12:22,903 INFO L82 PathProgramCache]: Analyzing trace with hash -1984606347, now seen corresponding path program 1 times [2018-12-01 22:12:22,904 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:12:22,933 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:22,934 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:12:22,934 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:22,934 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:12:22,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:12:23,094 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:12:23,095 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:12:23,095 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-01 22:12:23,095 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:12:23,099 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:12:23,106 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:12:23,106 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:12:23,108 INFO L87 Difference]: Start difference. First operand 409 states. Second operand 3 states. [2018-12-01 22:12:24,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:12:24,214 INFO L93 Difference]: Finished difference Result 1153 states and 2141 transitions. [2018-12-01 22:12:24,215 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:12:24,215 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 68 [2018-12-01 22:12:24,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:12:24,226 INFO L225 Difference]: With dead ends: 1153 [2018-12-01 22:12:24,226 INFO L226 Difference]: Without dead ends: 682 [2018-12-01 22:12:24,230 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-01 22:12:24,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2018-12-01 22:12:24,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 682. [2018-12-01 22:12:24,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 682 states. [2018-12-01 22:12:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 682 states and 1190 transitions. [2018-12-01 22:12:24,281 INFO L78 Accepts]: Start accepts. Automaton has 682 states and 1190 transitions. Word has length 68 [2018-12-01 22:12:24,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:12:24,282 INFO L480 AbstractCegarLoop]: Abstraction has 682 states and 1190 transitions. [2018-12-01 22:12:24,282 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:12:24,282 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 1190 transitions. [2018-12-01 22:12:24,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-01 22:12:24,285 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:12:24,286 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:12:24,286 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:12:24,286 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:12:24,287 INFO L82 PathProgramCache]: Analyzing trace with hash -1599900728, now seen corresponding path program 1 times [2018-12-01 22:12:24,287 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:12:24,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:24,288 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:12:24,288 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:24,288 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:12:24,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:12:24,437 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 22:12:24,438 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:12:24,438 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-01 22:12:24,438 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:12:24,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:12:24,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:12:24,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:12:24,439 INFO L87 Difference]: Start difference. First operand 682 states and 1190 transitions. Second operand 6 states. [2018-12-01 22:12:25,987 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:12:25,987 INFO L93 Difference]: Finished difference Result 1730 states and 3016 transitions. [2018-12-01 22:12:25,987 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:12:25,988 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 160 [2018-12-01 22:12:25,988 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:12:25,992 INFO L225 Difference]: With dead ends: 1730 [2018-12-01 22:12:25,992 INFO L226 Difference]: Without dead ends: 1054 [2018-12-01 22:12:25,993 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:12:25,994 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1054 states. [2018-12-01 22:12:26,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1054 to 1034. [2018-12-01 22:12:26,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1034 states. [2018-12-01 22:12:26,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 1034 states and 1692 transitions. [2018-12-01 22:12:26,014 INFO L78 Accepts]: Start accepts. Automaton has 1034 states and 1692 transitions. Word has length 160 [2018-12-01 22:12:26,014 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:12:26,014 INFO L480 AbstractCegarLoop]: Abstraction has 1034 states and 1692 transitions. [2018-12-01 22:12:26,014 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:12:26,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1034 states and 1692 transitions. [2018-12-01 22:12:26,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-01 22:12:26,017 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:12:26,017 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:12:26,017 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:12:26,017 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:12:26,017 INFO L82 PathProgramCache]: Analyzing trace with hash 1250648855, now seen corresponding path program 1 times [2018-12-01 22:12:26,017 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:12:26,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:26,018 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:12:26,018 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:26,018 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:12:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:12:26,136 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 122 proven. 88 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-01 22:12:26,136 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:12:26,136 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:12:26,137 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 271 with the following transitions: [2018-12-01 22:12:26,138 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [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], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-01 22:12:26,162 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:12:26,162 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:12:26,386 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:12:26,388 INFO L272 AbstractInterpreter]: Visited 115 different actions 115 times. Never merged. Never widened. Performed 1036 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1036 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-12-01 22:12:26,393 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:12:26,393 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:12:26,665 INFO L227 lantSequenceWeakener]: Weakened 261 states. On average, predicates are now at 78.15% of their original sizes. [2018-12-01 22:12:26,665 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:12:26,689 INFO L418 sIntCurrentIteration]: We unified 269 AI predicates to 269 [2018-12-01 22:12:26,689 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:12:26,690 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:12:26,690 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-12-01 22:12:26,690 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:12:26,690 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-01 22:12:26,690 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-01 22:12:26,691 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-01 22:12:26,691 INFO L87 Difference]: Start difference. First operand 1034 states and 1692 transitions. Second operand 6 states. [2018-12-01 22:12:48,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:12:48,722 INFO L93 Difference]: Finished difference Result 2400 states and 3915 transitions. [2018-12-01 22:12:48,722 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-01 22:12:48,722 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 270 [2018-12-01 22:12:48,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:12:48,727 INFO L225 Difference]: With dead ends: 2400 [2018-12-01 22:12:48,727 INFO L226 Difference]: Without dead ends: 1372 [2018-12-01 22:12:48,729 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 270 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-01 22:12:48,730 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1372 states. [2018-12-01 22:12:48,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1372 to 1371. [2018-12-01 22:12:48,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1371 states. [2018-12-01 22:12:48,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1371 states and 2036 transitions. [2018-12-01 22:12:48,753 INFO L78 Accepts]: Start accepts. Automaton has 1371 states and 2036 transitions. Word has length 270 [2018-12-01 22:12:48,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:12:48,754 INFO L480 AbstractCegarLoop]: Abstraction has 1371 states and 2036 transitions. [2018-12-01 22:12:48,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-01 22:12:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 2036 transitions. [2018-12-01 22:12:48,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-12-01 22:12:48,757 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:12:48,757 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:12:48,757 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:12:48,758 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:12:48,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1352472865, now seen corresponding path program 1 times [2018-12-01 22:12:48,758 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:12:48,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:48,758 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:12:48,758 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:48,759 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:12:48,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:12:48,899 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 188 proven. 197 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-01 22:12:48,900 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:12:48,900 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:12:48,900 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 362 with the following transitions: [2018-12-01 22:12:48,900 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [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], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-01 22:12:48,904 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:12:48,904 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:12:49,066 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:12:49,067 INFO L272 AbstractInterpreter]: Visited 120 different actions 346 times. Merged at 4 different actions 7 times. Never widened. Performed 3349 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3349 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-01 22:12:49,068 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:12:49,069 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:12:49,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:12:49,069 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:12:49,077 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:12:49,078 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:12:49,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:12:49,144 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:12:49,221 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 393 proven. 2 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-12-01 22:12:49,221 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:12:49,329 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 276 proven. 92 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-01 22:12:49,355 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:12:49,355 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-01 22:12:49,355 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:12:49,356 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:12:49,356 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:12:49,356 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=76, Unknown=0, NotChecked=0, Total=110 [2018-12-01 22:12:49,356 INFO L87 Difference]: Start difference. First operand 1371 states and 2036 transitions. Second operand 9 states. [2018-12-01 22:12:50,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:12:50,905 INFO L93 Difference]: Finished difference Result 3452 states and 5474 transitions. [2018-12-01 22:12:50,905 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-01 22:12:50,905 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 361 [2018-12-01 22:12:50,906 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:12:50,913 INFO L225 Difference]: With dead ends: 3452 [2018-12-01 22:12:50,914 INFO L226 Difference]: Without dead ends: 2424 [2018-12-01 22:12:50,916 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 736 GetRequests, 721 SyntacticMatches, 3 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=60, Invalid=122, Unknown=0, NotChecked=0, Total=182 [2018-12-01 22:12:50,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2424 states. [2018-12-01 22:12:50,961 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2424 to 2418. [2018-12-01 22:12:50,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2418 states. [2018-12-01 22:12:50,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2418 states to 2418 states and 3468 transitions. [2018-12-01 22:12:50,966 INFO L78 Accepts]: Start accepts. Automaton has 2418 states and 3468 transitions. Word has length 361 [2018-12-01 22:12:50,966 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:12:50,966 INFO L480 AbstractCegarLoop]: Abstraction has 2418 states and 3468 transitions. [2018-12-01 22:12:50,967 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:12:50,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2418 states and 3468 transitions. [2018-12-01 22:12:50,975 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-01 22:12:50,975 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:12:50,976 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:12:50,976 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:12:50,976 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:12:50,976 INFO L82 PathProgramCache]: Analyzing trace with hash -901922713, now seen corresponding path program 1 times [2018-12-01 22:12:50,976 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:12:50,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:50,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:12:50,977 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:50,977 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:12:50,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:12:51,141 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 341 proven. 200 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-01 22:12:51,141 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:12:51,141 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:12:51,141 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 477 with the following transitions: [2018-12-01 22:12:51,142 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [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], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-01 22:12:51,144 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:12:51,145 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:12:51,258 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:12:51,259 INFO L272 AbstractInterpreter]: Visited 126 different actions 364 times. Merged at 4 different actions 7 times. Never widened. Performed 3543 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3543 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-01 22:12:51,260 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:12:51,260 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:12:51,260 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:12:51,260 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:12:51,266 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:12:51,266 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:12:51,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:12:51,335 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:12:51,435 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 593 proven. 2 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2018-12-01 22:12:51,436 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:12:51,589 INFO L134 CoverageAnalysis]: Checked inductivity of 811 backedges. 341 proven. 200 refuted. 0 times theorem prover too weak. 270 trivial. 0 not checked. [2018-12-01 22:12:51,604 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:12:51,604 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-12-01 22:12:51,604 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:12:51,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:12:51,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:12:51,605 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-12-01 22:12:51,605 INFO L87 Difference]: Start difference. First operand 2418 states and 3468 transitions. Second operand 9 states. [2018-12-01 22:12:57,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:12:57,737 INFO L93 Difference]: Finished difference Result 8076 states and 12216 transitions. [2018-12-01 22:12:57,738 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2018-12-01 22:12:57,738 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 476 [2018-12-01 22:12:57,738 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:12:57,748 INFO L225 Difference]: With dead ends: 8076 [2018-12-01 22:12:57,748 INFO L226 Difference]: Without dead ends: 5266 [2018-12-01 22:12:57,754 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1023 GetRequests, 980 SyntacticMatches, 1 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 523 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=430, Invalid=1462, Unknown=0, NotChecked=0, Total=1892 [2018-12-01 22:12:57,758 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5266 states. [2018-12-01 22:12:57,825 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5266 to 5232. [2018-12-01 22:12:57,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5232 states. [2018-12-01 22:12:57,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5232 states to 5232 states and 5914 transitions. [2018-12-01 22:12:57,836 INFO L78 Accepts]: Start accepts. Automaton has 5232 states and 5914 transitions. Word has length 476 [2018-12-01 22:12:57,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:12:57,837 INFO L480 AbstractCegarLoop]: Abstraction has 5232 states and 5914 transitions. [2018-12-01 22:12:57,837 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:12:57,837 INFO L276 IsEmpty]: Start isEmpty. Operand 5232 states and 5914 transitions. [2018-12-01 22:12:57,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 748 [2018-12-01 22:12:57,850 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:12:57,850 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:12:57,850 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:12:57,850 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:12:57,850 INFO L82 PathProgramCache]: Analyzing trace with hash 411696670, now seen corresponding path program 1 times [2018-12-01 22:12:57,851 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:12:57,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:57,851 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:12:57,851 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:12:57,851 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:12:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:12:58,551 INFO L134 CoverageAnalysis]: Checked inductivity of 1019 backedges. 356 proven. 345 refuted. 0 times theorem prover too weak. 318 trivial. 0 not checked. [2018-12-01 22:12:58,552 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:12:58,552 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:12:58,552 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 748 with the following transitions: [2018-12-01 22:12:58,552 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-01 22:12:58,555 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:12:58,555 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:12:58,785 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:12:58,785 INFO L272 AbstractInterpreter]: Visited 249 different actions 492 times. Merged at 4 different actions 4 times. Never widened. Performed 5199 root evaluator evaluations with a maximum evaluation depth of 13. Performed 5199 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-01 22:12:58,787 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:12:58,787 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:12:59,219 INFO L227 lantSequenceWeakener]: Weakened 744 states. On average, predicates are now at 77.62% of their original sizes. [2018-12-01 22:12:59,219 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:12:59,276 INFO L418 sIntCurrentIteration]: We unified 746 AI predicates to 746 [2018-12-01 22:12:59,276 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:12:59,276 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:12:59,277 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-12-01 22:12:59,277 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:12:59,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-01 22:12:59,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-01 22:12:59,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:12:59,278 INFO L87 Difference]: Start difference. First operand 5232 states and 5914 transitions. Second operand 10 states. [2018-12-01 22:13:29,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:13:29,285 INFO L93 Difference]: Finished difference Result 10462 states and 11868 transitions. [2018-12-01 22:13:29,285 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-01 22:13:29,285 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 747 [2018-12-01 22:13:29,285 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:13:29,294 INFO L225 Difference]: With dead ends: 10462 [2018-12-01 22:13:29,294 INFO L226 Difference]: Without dead ends: 5573 [2018-12-01 22:13:29,299 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 754 GetRequests, 738 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-01 22:13:29,302 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5573 states. [2018-12-01 22:13:29,370 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5573 to 5571. [2018-12-01 22:13:29,370 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 5571 states. [2018-12-01 22:13:29,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5571 states to 5571 states and 6259 transitions. [2018-12-01 22:13:29,378 INFO L78 Accepts]: Start accepts. Automaton has 5571 states and 6259 transitions. Word has length 747 [2018-12-01 22:13:29,379 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:13:29,379 INFO L480 AbstractCegarLoop]: Abstraction has 5571 states and 6259 transitions. [2018-12-01 22:13:29,379 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-01 22:13:29,379 INFO L276 IsEmpty]: Start isEmpty. Operand 5571 states and 6259 transitions. [2018-12-01 22:13:29,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 856 [2018-12-01 22:13:29,399 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:13:29,399 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:13:29,399 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:13:29,399 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:13:29,400 INFO L82 PathProgramCache]: Analyzing trace with hash 1817929553, now seen corresponding path program 1 times [2018-12-01 22:13:29,400 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:13:29,400 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:13:29,401 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:13:29,401 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:13:29,401 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:13:29,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:13:29,867 INFO L134 CoverageAnalysis]: Checked inductivity of 1480 backedges. 323 proven. 807 refuted. 0 times theorem prover too weak. 350 trivial. 0 not checked. [2018-12-01 22:13:29,868 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:13:29,868 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:13:29,868 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 856 with the following transitions: [2018-12-01 22:13:29,868 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-01 22:13:29,872 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:13:29,872 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:13:30,172 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-01 22:13:30,173 INFO L272 AbstractInterpreter]: Visited 258 different actions 768 times. Merged at 6 different actions 14 times. Never widened. Performed 9004 root evaluator evaluations with a maximum evaluation depth of 13. Performed 9004 inverse root evaluator evaluations with a maximum inverse evaluation depth of 13. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-01 22:13:30,181 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:13:30,181 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-01 22:13:30,583 INFO L227 lantSequenceWeakener]: Weakened 852 states. On average, predicates are now at 80.33% of their original sizes. [2018-12-01 22:13:30,583 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-01 22:13:30,620 INFO L418 sIntCurrentIteration]: We unified 854 AI predicates to 854 [2018-12-01 22:13:30,620 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-01 22:13:30,621 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:13:30,621 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-12-01 22:13:30,621 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:13:30,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:13:30,621 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:13:30,621 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:13:30,621 INFO L87 Difference]: Start difference. First operand 5571 states and 6259 transitions. Second operand 9 states. [2018-12-01 22:14:17,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:14:17,181 INFO L93 Difference]: Finished difference Result 11177 states and 12653 transitions. [2018-12-01 22:14:17,181 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-12-01 22:14:17,181 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 855 [2018-12-01 22:14:17,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:14:17,192 INFO L225 Difference]: With dead ends: 11177 [2018-12-01 22:14:17,192 INFO L226 Difference]: Without dead ends: 6288 [2018-12-01 22:14:17,197 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 861 GetRequests, 847 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-12-01 22:14:17,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6288 states. [2018-12-01 22:14:17,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6288 to 6264. [2018-12-01 22:14:17,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 6264 states. [2018-12-01 22:14:17,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6264 states to 6264 states and 6997 transitions. [2018-12-01 22:14:17,263 INFO L78 Accepts]: Start accepts. Automaton has 6264 states and 6997 transitions. Word has length 855 [2018-12-01 22:14:17,264 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:14:17,264 INFO L480 AbstractCegarLoop]: Abstraction has 6264 states and 6997 transitions. [2018-12-01 22:14:17,264 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:14:17,264 INFO L276 IsEmpty]: Start isEmpty. Operand 6264 states and 6997 transitions. [2018-12-01 22:14:17,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 985 [2018-12-01 22:14:17,274 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:14:17,274 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:14:17,275 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:14:17,275 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:17,275 INFO L82 PathProgramCache]: Analyzing trace with hash -622875225, now seen corresponding path program 1 times [2018-12-01 22:14:17,275 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:14:17,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:17,276 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:17,276 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:17,276 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:14:17,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:18,172 INFO L134 CoverageAnalysis]: Checked inductivity of 2124 backedges. 621 proven. 734 refuted. 0 times theorem prover too weak. 769 trivial. 0 not checked. [2018-12-01 22:14:18,172 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:18,172 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:14:18,172 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 985 with the following transitions: [2018-12-01 22:14:18,172 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1256], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-01 22:14:18,175 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:14:18,176 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:14:18,761 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:14:18,761 INFO L272 AbstractInterpreter]: Visited 260 different actions 1300 times. Merged at 10 different actions 43 times. Widened at 1 different actions 1 times. Performed 15844 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15844 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-01 22:14:18,789 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:18,789 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:14:18,789 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:18,789 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:14:18,795 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:18,795 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:14:18,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:18,912 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:14:19,165 INFO L134 CoverageAnalysis]: Checked inductivity of 2124 backedges. 1565 proven. 2 refuted. 0 times theorem prover too weak. 557 trivial. 0 not checked. [2018-12-01 22:14:19,165 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:14:19,483 INFO L134 CoverageAnalysis]: Checked inductivity of 2124 backedges. 724 proven. 223 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2018-12-01 22:14:19,499 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:14:19,499 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-12-01 22:14:19,499 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:14:19,500 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-12-01 22:14:19,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-12-01 22:14:19,501 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-12-01 22:14:19,501 INFO L87 Difference]: Start difference. First operand 6264 states and 6997 transitions. Second operand 15 states. [2018-12-01 22:14:24,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:14:24,170 INFO L93 Difference]: Finished difference Result 15034 states and 17282 transitions. [2018-12-01 22:14:24,171 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 44 states. [2018-12-01 22:14:24,171 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 984 [2018-12-01 22:14:24,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:14:24,199 INFO L225 Difference]: With dead ends: 15034 [2018-12-01 22:14:24,199 INFO L226 Difference]: Without dead ends: 9452 [2018-12-01 22:14:24,209 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2055 GetRequests, 1998 SyntacticMatches, 2 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 922 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=628, Invalid=2564, Unknown=0, NotChecked=0, Total=3192 [2018-12-01 22:14:24,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9452 states. [2018-12-01 22:14:24,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9452 to 9380. [2018-12-01 22:14:24,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9380 states. [2018-12-01 22:14:24,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9380 states to 9380 states and 10508 transitions. [2018-12-01 22:14:24,304 INFO L78 Accepts]: Start accepts. Automaton has 9380 states and 10508 transitions. Word has length 984 [2018-12-01 22:14:24,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:14:24,305 INFO L480 AbstractCegarLoop]: Abstraction has 9380 states and 10508 transitions. [2018-12-01 22:14:24,305 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-12-01 22:14:24,305 INFO L276 IsEmpty]: Start isEmpty. Operand 9380 states and 10508 transitions. [2018-12-01 22:14:24,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1311 [2018-12-01 22:14:24,317 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:14:24,317 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:14:24,317 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:14:24,317 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:24,317 INFO L82 PathProgramCache]: Analyzing trace with hash -1819532953, now seen corresponding path program 1 times [2018-12-01 22:14:24,317 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:14:24,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:24,318 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:24,318 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:24,318 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:14:24,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:24,954 INFO L134 CoverageAnalysis]: Checked inductivity of 3801 backedges. 957 proven. 336 refuted. 0 times theorem prover too weak. 2508 trivial. 0 not checked. [2018-12-01 22:14:24,955 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:24,955 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:14:24,955 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1311 with the following transitions: [2018-12-01 22:14:24,955 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-01 22:14:24,957 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:14:24,957 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:14:25,503 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:14:25,504 INFO L272 AbstractInterpreter]: Visited 254 different actions 1024 times. Merged at 12 different actions 40 times. Never widened. Performed 11993 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11993 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 4 different actions. Largest state had 24 variables. [2018-12-01 22:14:25,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:25,505 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:14:25,505 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:25,505 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:14:25,511 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:25,512 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:14:25,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:25,651 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:14:26,056 INFO L134 CoverageAnalysis]: Checked inductivity of 3801 backedges. 2572 proven. 2 refuted. 0 times theorem prover too weak. 1227 trivial. 0 not checked. [2018-12-01 22:14:26,056 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:14:26,595 INFO L134 CoverageAnalysis]: Checked inductivity of 3801 backedges. 957 proven. 336 refuted. 0 times theorem prover too weak. 2508 trivial. 0 not checked. [2018-12-01 22:14:26,611 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:14:26,612 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-01 22:14:26,612 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:14:26,612 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:14:26,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:14:26,613 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:14:26,613 INFO L87 Difference]: Start difference. First operand 9380 states and 10508 transitions. Second operand 9 states. [2018-12-01 22:14:28,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:14:28,062 INFO L93 Difference]: Finished difference Result 19811 states and 22534 transitions. [2018-12-01 22:14:28,063 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-12-01 22:14:28,063 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1310 [2018-12-01 22:14:28,064 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:14:28,081 INFO L225 Difference]: With dead ends: 19811 [2018-12-01 22:14:28,081 INFO L226 Difference]: Without dead ends: 11450 [2018-12-01 22:14:28,092 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2637 GetRequests, 2621 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-12-01 22:14:28,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11450 states. [2018-12-01 22:14:28,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11450 to 11094. [2018-12-01 22:14:28,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 11094 states. [2018-12-01 22:14:28,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11094 states to 11094 states and 12315 transitions. [2018-12-01 22:14:28,202 INFO L78 Accepts]: Start accepts. Automaton has 11094 states and 12315 transitions. Word has length 1310 [2018-12-01 22:14:28,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:14:28,203 INFO L480 AbstractCegarLoop]: Abstraction has 11094 states and 12315 transitions. [2018-12-01 22:14:28,203 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:14:28,203 INFO L276 IsEmpty]: Start isEmpty. Operand 11094 states and 12315 transitions. [2018-12-01 22:14:28,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1312 [2018-12-01 22:14:28,215 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:14:28,215 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:14:28,215 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:14:28,215 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:28,215 INFO L82 PathProgramCache]: Analyzing trace with hash -1021384982, now seen corresponding path program 1 times [2018-12-01 22:14:28,215 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:14:28,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:28,216 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:28,216 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:28,216 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:14:28,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:28,916 INFO L134 CoverageAnalysis]: Checked inductivity of 3808 backedges. 1136 proven. 250 refuted. 0 times theorem prover too weak. 2422 trivial. 0 not checked. [2018-12-01 22:14:28,916 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:28,916 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:14:28,916 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1312 with the following transitions: [2018-12-01 22:14:28,917 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [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], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-01 22:14:28,918 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:14:28,918 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:14:29,458 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:14:29,458 INFO L272 AbstractInterpreter]: Visited 254 different actions 1023 times. Merged at 11 different actions 39 times. Widened at 1 different actions 1 times. Performed 11957 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11957 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 5 different actions. Largest state had 24 variables. [2018-12-01 22:14:29,459 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:29,459 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:14:29,460 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:29,460 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:14:29,466 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:29,466 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:14:29,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:29,596 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:14:30,043 INFO L134 CoverageAnalysis]: Checked inductivity of 3808 backedges. 2478 proven. 2 refuted. 0 times theorem prover too weak. 1328 trivial. 0 not checked. [2018-12-01 22:14:30,043 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:14:30,574 INFO L134 CoverageAnalysis]: Checked inductivity of 3808 backedges. 1136 proven. 250 refuted. 0 times theorem prover too weak. 2422 trivial. 0 not checked. [2018-12-01 22:14:30,589 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:14:30,590 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-01 22:14:30,590 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:14:30,591 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-01 22:14:30,591 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-01 22:14:30,591 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-12-01 22:14:30,591 INFO L87 Difference]: Start difference. First operand 11094 states and 12315 transitions. Second operand 9 states. [2018-12-01 22:14:32,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:14:32,803 INFO L93 Difference]: Finished difference Result 22345 states and 25506 transitions. [2018-12-01 22:14:32,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-01 22:14:32,803 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1311 [2018-12-01 22:14:32,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:14:32,822 INFO L225 Difference]: With dead ends: 22345 [2018-12-01 22:14:32,822 INFO L226 Difference]: Without dead ends: 12270 [2018-12-01 22:14:32,833 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2650 GetRequests, 2628 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-12-01 22:14:32,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12270 states. [2018-12-01 22:14:32,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12270 to 12137. [2018-12-01 22:14:32,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12137 states. [2018-12-01 22:14:32,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12137 states to 12137 states and 13298 transitions. [2018-12-01 22:14:32,958 INFO L78 Accepts]: Start accepts. Automaton has 12137 states and 13298 transitions. Word has length 1311 [2018-12-01 22:14:32,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:14:32,958 INFO L480 AbstractCegarLoop]: Abstraction has 12137 states and 13298 transitions. [2018-12-01 22:14:32,958 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-01 22:14:32,958 INFO L276 IsEmpty]: Start isEmpty. Operand 12137 states and 13298 transitions. [2018-12-01 22:14:32,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1340 [2018-12-01 22:14:32,970 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:14:32,970 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:14:32,970 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:14:32,971 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:32,971 INFO L82 PathProgramCache]: Analyzing trace with hash 2100071364, now seen corresponding path program 1 times [2018-12-01 22:14:32,971 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:14:32,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:32,972 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:32,972 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:32,972 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:14:33,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:33,593 INFO L134 CoverageAnalysis]: Checked inductivity of 3929 backedges. 509 proven. 0 refuted. 0 times theorem prover too weak. 3420 trivial. 0 not checked. [2018-12-01 22:14:33,593 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:14:33,594 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 22:14:33,594 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:14:33,594 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 22:14:33,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 22:14:33,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-01 22:14:33,595 INFO L87 Difference]: Start difference. First operand 12137 states and 13298 transitions. Second operand 4 states. [2018-12-01 22:14:34,466 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:14:34,466 INFO L93 Difference]: Finished difference Result 23586 states and 25924 transitions. [2018-12-01 22:14:34,467 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 22:14:34,467 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1339 [2018-12-01 22:14:34,468 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:14:34,483 INFO L225 Difference]: With dead ends: 23586 [2018-12-01 22:14:34,483 INFO L226 Difference]: Without dead ends: 12129 [2018-12-01 22:14:34,496 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 4 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-01 22:14:34,504 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12129 states. [2018-12-01 22:14:34,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12129 to 12125. [2018-12-01 22:14:34,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12125 states. [2018-12-01 22:14:34,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12125 states to 12125 states and 12983 transitions. [2018-12-01 22:14:34,601 INFO L78 Accepts]: Start accepts. Automaton has 12125 states and 12983 transitions. Word has length 1339 [2018-12-01 22:14:34,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:14:34,602 INFO L480 AbstractCegarLoop]: Abstraction has 12125 states and 12983 transitions. [2018-12-01 22:14:34,602 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 22:14:34,602 INFO L276 IsEmpty]: Start isEmpty. Operand 12125 states and 12983 transitions. [2018-12-01 22:14:34,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1676 [2018-12-01 22:14:34,620 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:14:34,620 INFO L402 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 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, 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, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:14:34,620 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:14:34,620 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:34,621 INFO L82 PathProgramCache]: Analyzing trace with hash -2142453100, now seen corresponding path program 1 times [2018-12-01 22:14:34,621 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:14:34,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:34,621 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:34,621 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:34,621 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:14:34,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:36,542 INFO L134 CoverageAnalysis]: Checked inductivity of 5261 backedges. 3070 proven. 582 refuted. 0 times theorem prover too weak. 1609 trivial. 0 not checked. [2018-12-01 22:14:36,542 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:36,542 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:14:36,542 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1676 with the following transitions: [2018-12-01 22:14:36,542 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [46], [50], [54], [58], [62], [66], [70], [74], [78], [82], [86], [90], [94], [98], [102], [106], [110], [114], [118], [122], [126], [130], [134], [138], [142], [146], [150], [154], [158], [162], [166], [170], [173], [179], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [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], [1489], [1493], [1497], [1501], [1505], [1509], [1513], [1517], [1521], [1525], [1529], [1533], [1537], [1541], [1545], [1549], [1551], [1552], [1556], [1565], [1569], [1571], [1576], [1577], [1578], [1579], [1580], [1582], [1583] [2018-12-01 22:14:36,545 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:14:36,545 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:14:37,230 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:14:37,230 INFO L272 AbstractInterpreter]: Visited 352 different actions 1407 times. Merged at 11 different actions 40 times. Widened at 1 different actions 1 times. Performed 17336 root evaluator evaluations with a maximum evaluation depth of 18. Performed 17336 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 15 fixpoints after 6 different actions. Largest state had 24 variables. [2018-12-01 22:14:37,232 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:37,232 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:14:37,232 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:37,232 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:14:37,238 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:37,238 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:14:37,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:37,409 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:14:38,076 INFO L134 CoverageAnalysis]: Checked inductivity of 5261 backedges. 573 proven. 0 refuted. 0 times theorem prover too weak. 4688 trivial. 0 not checked. [2018-12-01 22:14:38,076 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:14:38,776 INFO L134 CoverageAnalysis]: Checked inductivity of 5261 backedges. 573 proven. 0 refuted. 0 times theorem prover too weak. 4688 trivial. 0 not checked. [2018-12-01 22:14:38,792 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-01 22:14:38,792 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-12-01 22:14:38,792 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:14:38,793 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-01 22:14:38,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-01 22:14:38,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:14:38,793 INFO L87 Difference]: Start difference. First operand 12125 states and 12983 transitions. Second operand 3 states. [2018-12-01 22:14:39,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:14:39,350 INFO L93 Difference]: Finished difference Result 23231 states and 24934 transitions. [2018-12-01 22:14:39,350 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-01 22:14:39,351 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1675 [2018-12-01 22:14:39,351 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:14:39,367 INFO L225 Difference]: With dead ends: 23231 [2018-12-01 22:14:39,367 INFO L226 Difference]: Without dead ends: 12125 [2018-12-01 22:14:39,379 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3365 GetRequests, 3356 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-12-01 22:14:39,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12125 states. [2018-12-01 22:14:39,469 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12125 to 12125. [2018-12-01 22:14:39,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12125 states. [2018-12-01 22:14:39,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12125 states to 12125 states and 12805 transitions. [2018-12-01 22:14:39,482 INFO L78 Accepts]: Start accepts. Automaton has 12125 states and 12805 transitions. Word has length 1675 [2018-12-01 22:14:39,483 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:14:39,483 INFO L480 AbstractCegarLoop]: Abstraction has 12125 states and 12805 transitions. [2018-12-01 22:14:39,483 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-01 22:14:39,483 INFO L276 IsEmpty]: Start isEmpty. Operand 12125 states and 12805 transitions. [2018-12-01 22:14:39,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1849 [2018-12-01 22:14:39,504 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:14:39,505 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 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] [2018-12-01 22:14:39,505 INFO L423 AbstractCegarLoop]: === Iteration 13 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:14:39,505 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:39,505 INFO L82 PathProgramCache]: Analyzing trace with hash 1191934906, now seen corresponding path program 1 times [2018-12-01 22:14:39,505 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:14:39,505 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:39,505 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:39,506 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:14:39,506 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:14:39,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:43,087 INFO L134 CoverageAnalysis]: Checked inductivity of 7534 backedges. 3484 proven. 1613 refuted. 0 times theorem prover too weak. 2437 trivial. 0 not checked. [2018-12-01 22:14:43,088 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:43,088 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-01 22:14:43,088 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1849 with the following transitions: [2018-12-01 22:14:43,088 INFO L205 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [483], [491], [499], [507], [515], [523], [531], [539], [547], [555], [563], [571], [579], [587], [595], [603], [611], [619], [627], [631], [633], [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], [764], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1056], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [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], [1404], [1552], [1556], [1565], [1569], [1571], [1578], [1579], [1580], [1582], [1583] [2018-12-01 22:14:43,090 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-01 22:14:43,090 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-01 22:14:43,641 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-01 22:14:43,641 INFO L272 AbstractInterpreter]: Visited 270 different actions 1084 times. Merged at 13 different actions 36 times. Never widened. Performed 12851 root evaluator evaluations with a maximum evaluation depth of 18. Performed 12851 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 17 fixpoints after 9 different actions. Largest state had 24 variables. [2018-12-01 22:14:43,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:14:43,643 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-01 22:14:43,643 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-01 22:14:43,643 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/z3 Starting monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 8 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-01 22:14:43,650 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:14:43,650 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-01 22:14:43,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:14:43,830 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-01 22:14:44,857 INFO L134 CoverageAnalysis]: Checked inductivity of 7534 backedges. 5297 proven. 6 refuted. 0 times theorem prover too weak. 2231 trivial. 0 not checked. [2018-12-01 22:14:44,857 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-01 22:14:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 7534 backedges. 1908 proven. 1030 refuted. 0 times theorem prover too weak. 4596 trivial. 0 not checked. [2018-12-01 22:14:46,636 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-01 22:14:46,636 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [18, 8, 8] total 29 [2018-12-01 22:14:46,637 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-01 22:14:46,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2018-12-01 22:14:46,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2018-12-01 22:14:46,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=112, Invalid=700, Unknown=0, NotChecked=0, Total=812 [2018-12-01 22:14:46,638 INFO L87 Difference]: Start difference. First operand 12125 states and 12805 transitions. Second operand 24 states. [2018-12-01 22:15:01,251 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:15:01,251 INFO L93 Difference]: Finished difference Result 25430 states and 27144 transitions. [2018-12-01 22:15:01,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2018-12-01 22:15:01,252 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 1848 [2018-12-01 22:15:01,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:15:01,273 INFO L225 Difference]: With dead ends: 25430 [2018-12-01 22:15:01,273 INFO L226 Difference]: Without dead ends: 14324 [2018-12-01 22:15:01,288 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 3891 GetRequests, 3765 SyntacticMatches, 3 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5148 ImplicationChecksByTransitivity, 3.6s TimeCoverageRelationStatistics Valid=2350, Invalid=13150, Unknown=0, NotChecked=0, Total=15500 [2018-12-01 22:15:01,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14324 states. [2018-12-01 22:15:01,402 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14324 to 14184. [2018-12-01 22:15:01,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14184 states. [2018-12-01 22:15:01,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14184 states to 14184 states and 14885 transitions. [2018-12-01 22:15:01,416 INFO L78 Accepts]: Start accepts. Automaton has 14184 states and 14885 transitions. Word has length 1848 [2018-12-01 22:15:01,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:15:01,417 INFO L480 AbstractCegarLoop]: Abstraction has 14184 states and 14885 transitions. [2018-12-01 22:15:01,417 INFO L481 AbstractCegarLoop]: Interpolant automaton has 24 states. [2018-12-01 22:15:01,417 INFO L276 IsEmpty]: Start isEmpty. Operand 14184 states and 14885 transitions. [2018-12-01 22:15:01,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1888 [2018-12-01 22:15:01,434 INFO L394 BasicCegarLoop]: Found error trace [2018-12-01 22:15:01,434 INFO L402 BasicCegarLoop]: trace histogram [12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 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, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-01 22:15:01,435 INFO L423 AbstractCegarLoop]: === Iteration 14 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-01 22:15:01,435 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 22:15:01,435 INFO L82 PathProgramCache]: Analyzing trace with hash 244920233, now seen corresponding path program 1 times [2018-12-01 22:15:01,435 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-01 22:15:01,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:15:01,436 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-01 22:15:01,436 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-01 22:15:01,436 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-01 22:15:01,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 22:15:02,625 INFO L134 CoverageAnalysis]: Checked inductivity of 7303 backedges. 701 proven. 0 refuted. 0 times theorem prover too weak. 6602 trivial. 0 not checked. [2018-12-01 22:15:02,626 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-01 22:15:02,626 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-01 22:15:02,626 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-01 22:15:02,626 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-01 22:15:02,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-01 22:15:02,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-01 22:15:02,627 INFO L87 Difference]: Start difference. First operand 14184 states and 14885 transitions. Second operand 4 states. [2018-12-01 22:15:03,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-01 22:15:03,600 INFO L93 Difference]: Finished difference Result 37256 states and 39472 transitions. [2018-12-01 22:15:03,600 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-01 22:15:03,600 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 1887 [2018-12-01 22:15:03,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-01 22:15:03,602 INFO L225 Difference]: With dead ends: 37256 [2018-12-01 22:15:03,602 INFO L226 Difference]: Without dead ends: 0 [2018-12-01 22:15:03,620 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-01 22:15:03,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-01 22:15:03,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-01 22:15:03,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-01 22:15:03,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-01 22:15:03,620 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1887 [2018-12-01 22:15:03,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-01 22:15:03,621 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-01 22:15:03,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-01 22:15:03,621 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-01 22:15:03,621 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 22:15:03,623 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-01 22:15:03,639 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:03,651 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:03,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:03,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:03,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:03,664 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:03,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:03,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:03,755 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:04,158 WARN L180 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 428 DAG size of output: 394 [2018-12-01 22:15:04,485 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:04,499 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:04,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:04,514 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:04,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:04,516 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:04,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:04,613 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:04,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-01 22:15:04,964 WARN L180 SmtUtils]: Spent 484.00 ms on a formula simplification. DAG size of input: 455 DAG size of output: 420 [2018-12-01 22:15:06,456 WARN L180 SmtUtils]: Spent 1.47 s on a formula simplification. DAG size of input: 400 DAG size of output: 65 [2018-12-01 22:15:07,070 WARN L180 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 274 DAG size of output: 81 [2018-12-01 22:15:07,924 WARN L180 SmtUtils]: Spent 846.00 ms on a formula simplification. DAG size of input: 277 DAG size of output: 83 [2018-12-01 22:15:08,973 WARN L180 SmtUtils]: Spent 1.03 s on a formula simplification. DAG size of input: 302 DAG size of output: 99 [2018-12-01 22:15:12,246 WARN L180 SmtUtils]: Spent 3.26 s on a formula simplification. DAG size of input: 426 DAG size of output: 65 [2018-12-01 22:15:12,248 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:15:12,248 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-12-01 22:15:12,248 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:15:12,248 INFO L448 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,248 INFO L448 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-12-01 22:15:12,248 INFO L448 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,248 INFO L448 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,248 INFO L448 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,248 INFO L448 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,248 INFO L448 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,249 INFO L448 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L444 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse5 (= |old(~a16~0)| ~a16~0)) (.cse4 (<= ~a18~0 |old(~a18~0)|)) (.cse6 (= |old(~a15~0)| ~a15~0)) (.cse16 (= |old(~a12~0)| ~a12~0))) (let ((.cse3 (< 3 |old(~a15~0)|)) (.cse9 (and .cse5 .cse4 .cse6 .cse16)) (.cse8 (= 10 |old(~a16~0)|)) (.cse10 (< 112 |old(~a18~0)|)) (.cse12 (not (= 3 |old(~a15~0)|))) (.cse13 (not (= (+ |old(~a18~0)| 87) 0))) (.cse15 (= (+ ~a18~0 87) 0)) (.cse1 (not (= 6 |old(~a12~0)|))) (.cse14 (not (= 11 |old(~a16~0)|))) (.cse11 (= 9 |old(~a16~0)|)) (.cse7 (< 5 |old(~a12~0)|)) (.cse0 (not (= 4 |old(~a15~0)|))) (.cse2 (and .cse4 .cse6 (= ~a16~0 |old(~a16~0)|) .cse16))) (and (or .cse0 .cse1 (< 134 |old(~a18~0)|) .cse2) (or (or .cse3 (not (= 8 |old(~a12~0)|))) (and .cse4 (and (= 8 ~a12~0) .cse5) .cse6)) (or .cse3 .cse7 .cse8 .cse9) (or (< |old(~a12~0)| 7) .cse3 .cse8 .cse9) (or .cse2 .cse3 .cse7 .cse10) (or .cse0 .cse11 .cse2 .cse1) (or .cse12 (not (= 5 |old(~a12~0)|)) .cse13 .cse14 .cse15) (or .cse3 .cse11 .cse9 .cse1) (or .cse2 .cse0 .cse8 .cse10) (or (or .cse12 .cse13) .cse15 .cse1 .cse14) (or .cse0 .cse2 (not (= 7 |old(~a12~0)|)) (not .cse11)) (or .cse0 .cse11 .cse2 .cse7) (or .cse0 (not (= 8 |old(~a16~0)|)) .cse2)))) [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,250 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L444 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse11 (<= ~a18~0 |old(~a18~0)|)) (.cse12 (= |old(~a15~0)| ~a15~0)) (.cse19 (= ~a16~0 |old(~a16~0)|)) (.cse20 (= |old(~a12~0)| ~a12~0))) (let ((.cse4 (not (= (+ |old(~a18~0)| 87) 0))) (.cse0 (= (+ ~a18~0 87) 0)) (.cse2 (not (= 3 |old(~a15~0)|))) (.cse3 (not (= 11 |old(~a16~0)|))) (.cse1 (= |calculate_output_#in~input| 0)) (.cse13 (not (= calculate_output_~input 0))) (.cse8 (< 5 |old(~a12~0)|)) (.cse5 (not (= 6 |old(~a12~0)|))) (.cse16 (< 134 |old(~a18~0)|)) (.cse7 (= 9 |old(~a16~0)|)) (.cse15 (< |old(~a12~0)| 7)) (.cse10 (< 3 |old(~a15~0)|)) (.cse18 (not (= 7 |old(~a12~0)|))) (.cse6 (not (= 4 |old(~a15~0)|))) (.cse9 (and .cse11 .cse12 .cse19 .cse20)) (.cse17 (= 10 |old(~a16~0)|)) (.cse14 (< 112 |old(~a18~0)|))) (and (or .cse0 .cse1 (or .cse2 .cse3) .cse4 .cse5) (or .cse6 .cse7 .cse8 .cse9) (or (or .cse10 (not (= 8 |old(~a12~0)|))) (and .cse11 (and (= 8 ~a12~0) (= |old(~a16~0)| ~a16~0)) .cse12)) (or .cse2 .cse13 .cse3 .cse1 (= 0 |old(~a12~0)|) .cse14) (or .cse2 (not (= 5 |old(~a12~0)|)) .cse3 .cse1 .cse4 .cse0) (or .cse6 .cse7 .cse9 .cse5) (or .cse9 .cse10 .cse8 .cse14) (or .cse15 .cse2 .cse3 .cse1 .cse16 .cse13) (or .cse10 .cse8 .cse17 .cse9) (or .cse10 .cse7 .cse5 .cse9) (or .cse6 .cse5 .cse9 .cse16) (or .cse6 .cse9 .cse18 (not .cse7)) (or .cse6 (not (= 8 |old(~a16~0)|)) .cse9) (or .cse15 .cse10 .cse17 (and (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) .cse18 (not (= ~a15~0 3)) (< 0 (+ ~a18~0 79))) .cse11 .cse12 .cse19 .cse20)) (or .cse6 .cse9 .cse17 .cse14)))) [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,251 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,252 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,253 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,254 INFO L448 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 193) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-01 22:15:12,255 INFO L448 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse5 (= |old(~a16~0)| ~a16~0)) (.cse4 (<= ~a18~0 |old(~a18~0)|)) (.cse6 (= |old(~a15~0)| ~a15~0)) (.cse17 (= |old(~a12~0)| ~a12~0))) (let ((.cse12 (= |calculate_output_#in~input| 0)) (.cse10 (not (= 3 |old(~a15~0)|))) (.cse11 (not (= 11 |old(~a16~0)|))) (.cse13 (not (= (+ |old(~a18~0)| 87) 0))) (.cse14 (= (+ ~a18~0 87) 0)) (.cse3 (< 3 |old(~a15~0)|)) (.cse9 (and .cse5 .cse4 .cse6 .cse17)) (.cse1 (not (= 6 |old(~a12~0)|))) (.cse8 (= 10 |old(~a16~0)|)) (.cse15 (< 112 |old(~a18~0)|)) (.cse16 (= 9 |old(~a16~0)|)) (.cse7 (< 5 |old(~a12~0)|)) (.cse0 (not (= 4 |old(~a15~0)|))) (.cse2 (and .cse4 .cse6 (= ~a16~0 |old(~a16~0)|) .cse17))) (and (or .cse0 .cse1 (< 134 |old(~a18~0)|) .cse2) (or (or .cse3 (not (= 8 |old(~a12~0)|))) (and .cse4 (and (= 8 ~a12~0) .cse5) .cse6)) (or .cse3 .cse7 .cse8 .cse9) (or (< |old(~a12~0)| 7) .cse3 .cse8 .cse9) (or .cse10 (not (= 5 |old(~a12~0)|)) .cse11 .cse12 .cse13 .cse14) (or .cse2 .cse3 .cse7 .cse15) (or .cse0 .cse16 .cse2 .cse1) (or .cse12 (or .cse10 .cse11) .cse13 .cse14 .cse1) (or .cse3 .cse16 .cse9 .cse1) (or .cse2 .cse0 .cse8 .cse15) (or .cse0 .cse2 (not (= 7 |old(~a12~0)|)) (not .cse16)) (or .cse0 .cse16 .cse2 .cse7) (or .cse0 (not (= 8 |old(~a16~0)|)) .cse2)))) [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-01 22:15:12,256 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,257 INFO L448 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,258 INFO L448 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,259 INFO L448 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,260 INFO L448 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,261 INFO L448 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,262 INFO L448 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,263 INFO L448 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L444 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)) [2018-12-01 22:15:12,264 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-01 22:15:12,264 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|)) (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0))) [2018-12-01 22:15:12,264 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-12-01 22:15:12,265 INFO L444 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 10))) (.cse7 (<= ~a18~0 112)) (.cse1 (<= ~a12~0 5)) (.cse6 (not (= ~a16~0 9))) (.cse8 (or (= |old(~a16~0)| 12) (not (= 12 ~a16~0)))) (.cse4 (= 9 ~a16~0)) (.cse5 (= 6 ~a12~0)) (.cse2 (<= ~a15~0 3)) (.cse3 (= 4 ~a15~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse3 (= 7 ~a12~0) .cse4) (and (<= 7 ~a12~0) .cse0 .cse2) (and .cse5 (and .cse6 .cse2)) (not (= 5 |old(~a12~0)|)) (and .cse0 .cse3 .cse7 .cse8) (and .cse3 (and .cse6 .cse8 .cse1)) (and .cse7 .cse1 .cse2) (and .cse5 .cse3 (and .cse6 .cse8)) (and .cse4 .cse5 .cse3 (<= ~a18~0 134)) (and (= 8 ~a12~0) .cse2) (and (= 8 ~a16~0) .cse3))) [2018-12-01 22:15:12,265 INFO L448 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-12-01 22:15:12,265 INFO L448 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-12-01 22:15:12,265 INFO L444 ceAbstractionStarter]: At program point L1773-2(lines 1773 1782) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 10))) (.cse7 (<= ~a18~0 112)) (.cse1 (<= ~a12~0 5)) (.cse6 (not (= ~a16~0 9))) (.cse8 (or (= |old(~a16~0)| 12) (not (= 12 ~a16~0)))) (.cse4 (= 9 ~a16~0)) (.cse5 (= 6 ~a12~0)) (.cse2 (<= ~a15~0 3)) (.cse3 (= 4 ~a15~0))) (or (not (= 11 |old(~a16~0)|)) (and .cse0 .cse1 .cse2) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 3 |old(~a15~0)|)) (and .cse3 (= 7 ~a12~0) .cse4) (and (<= 7 ~a12~0) .cse0 .cse2) (and .cse5 (and .cse6 .cse2)) (not (= 5 |old(~a12~0)|)) (and .cse0 .cse3 .cse7 .cse8) (and .cse3 (and .cse6 .cse8 .cse1)) (and .cse7 .cse1 .cse2) (and .cse5 .cse3 (and .cse6 .cse8)) (and .cse4 .cse5 .cse3 (<= ~a18~0 134)) (and (= 8 ~a12~0) .cse2) (and (= 8 ~a16~0) .cse3))) [2018-12-01 22:15:12,265 INFO L448 ceAbstractionStarter]: For program point L1773-3(lines 1767 1783) no Hoare annotation was computed. [2018-12-01 22:15:12,272 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 01.12 10:15:12 BoogieIcfgContainer [2018-12-01 22:15:12,272 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-01 22:15:12,272 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 22:15:12,272 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 22:15:12,273 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 22:15:12,273 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 10:12:22" (3/4) ... [2018-12-01 22:15:12,275 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 22:15:12,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-01 22:15:12,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-12-01 22:15:12,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-01 22:15:12,279 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-01 22:15:12,292 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-01 22:15:12,293 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-01 22:15:12,311 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((((!(11 == \old(a16)) || ((!(a16 == 10) && a12 <= 5) && a15 <= 3)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((4 == a15 && 7 == a12) && 9 == a16)) || ((7 <= a12 && !(a16 == 10)) && a15 <= 3)) || (6 == a12 && !(a16 == 9) && a15 <= 3)) || !(5 == \old(a12))) || (((!(a16 == 10) && 4 == a15) && a18 <= 112) && (\old(a16) == 12 || !(12 == a16)))) || (4 == a15 && (!(a16 == 9) && (\old(a16) == 12 || !(12 == a16))) && a12 <= 5)) || ((a18 <= 112 && a12 <= 5) && a15 <= 3)) || ((6 == a12 && 4 == a15) && !(a16 == 9) && (\old(a16) == 12 || !(12 == a16)))) || (((9 == a16 && 6 == a12) && 4 == a15) && a18 <= 134)) || (8 == a12 && a15 <= 3)) || (8 == a16 && 4 == a15) [2018-12-01 22:15:12,395 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_e3c8daf0-a1a3-48f8-8f74-60340ce4b334/bin-2019/utaipan/witness.graphml [2018-12-01 22:15:12,395 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 22:15:12,395 INFO L168 Benchmark]: Toolchain (without parser) took 171477.85 ms. Allocated memory was 1.0 GB in the beginning and 5.0 GB in the end (delta: 3.9 GB). Free memory was 938.9 MB in the beginning and 893.0 MB in the end (delta: 45.9 MB). Peak memory consumption was 4.0 GB. Max. memory is 11.5 GB. [2018-12-01 22:15:12,395 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 22:15:12,396 INFO L168 Benchmark]: CACSL2BoogieTranslator took 521.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -124.7 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. [2018-12-01 22:15:12,396 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-12-01 22:15:12,396 INFO L168 Benchmark]: Boogie Preprocessor took 62.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-12-01 22:15:12,396 INFO L168 Benchmark]: RCFGBuilder took 1301.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -6.6 MB). Peak memory consumption was 228.1 MB. Max. memory is 11.5 GB. [2018-12-01 22:15:12,396 INFO L168 Benchmark]: TraceAbstraction took 169442.85 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.1 GB in the beginning and 972.4 MB in the end (delta: 79.1 MB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2018-12-01 22:15:12,396 INFO L168 Benchmark]: Witness Printer took 122.30 ms. Allocated memory is still 5.0 GB. Free memory was 972.4 MB in the beginning and 893.0 MB in the end (delta: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. [2018-12-01 22:15:12,397 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 976.0 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 521.64 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.6 MB). Free memory was 938.9 MB in the beginning and 1.1 GB in the end (delta: -124.7 MB). Peak memory consumption was 68.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 24.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 62.14 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1301.08 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -6.6 MB). Peak memory consumption was 228.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 169442.85 ms. Allocated memory was 1.1 GB in the beginning and 5.0 GB in the end (delta: 3.8 GB). Free memory was 1.1 GB in the beginning and 972.4 MB in the end (delta: 79.1 MB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. * Witness Printer took 122.30 ms. Allocated memory is still 5.0 GB. Free memory was 972.4 MB in the beginning and 893.0 MB in the end (delta: 79.3 MB). Peak memory consumption was 79.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 193]: 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)) || ((!(a16 == 10) && a12 <= 5) && a15 <= 3)) || !(\old(a18) + 87 == 0)) || !(3 == \old(a15))) || ((4 == a15 && 7 == a12) && 9 == a16)) || ((7 <= a12 && !(a16 == 10)) && a15 <= 3)) || (6 == a12 && !(a16 == 9) && a15 <= 3)) || !(5 == \old(a12))) || (((!(a16 == 10) && 4 == a15) && a18 <= 112) && (\old(a16) == 12 || !(12 == a16)))) || (4 == a15 && (!(a16 == 9) && (\old(a16) == 12 || !(12 == a16))) && a12 <= 5)) || ((a18 <= 112 && a12 <= 5) && a15 <= 3)) || ((6 == a12 && 4 == a15) && !(a16 == 9) && (\old(a16) == 12 || !(12 == a16)))) || (((9 == a16 && 6 == a12) && 4 == a15) && a18 <= 134)) || (8 == a12 && a15 <= 3)) || (8 == a16 && 4 == a15) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 409 locations, 1 error locations. SAFE Result, 169.3s OverallTime, 14 OverallIterations, 12 TraceHistogramMax, 134.5s AutomataDifference, 0.0s DeadEndRemovalTime, 8.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 1828 SDtfs, 28273 SDslu, 2109 SDs, 0 SdLazy, 54365 SolverSat, 6968 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 116.6s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 18271 GetRequests, 17930 SyntacticMatches, 21 SemanticMatches, 320 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6796 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=14184occurred in iteration=13, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 4.0s AbstIntTime, 10 AbstIntIterations, 3 AbstIntStrong, 0.9981407859968462 AbsIntWeakeningRatio, 0.05778491171749599 AbsIntAvgWeakeningVarsNumRemoved, 16.208667736757626 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.0s AutomataMinimizationTime, 14 MinimizatonAttempts, 792 StatesRemovedByMinimization, 11 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1501 PreInvPairs, 1906 NumberOfFragments, 1434 HoareAnnotationTreeSize, 1501 FomulaSimplifications, 43870 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 70630 FormulaSimplificationTreeSizeReductionInter, 7.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 9.5s InterpolantComputationTime, 21256 NumberOfCodeBlocks, 21256 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 29193 ConstructedInterpolants, 0 QuantifiedInterpolants, 98592414 SizeOfPredicates, 5 NumberOfNonLiveVariables, 10650 ConjunctsInSsa, 34 ConjunctsInUnsatCore, 28 InterpolantComputations, 6 PerfectInterpolantSequences, 78095/85394 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...