./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem16_label21_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem16_label21_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/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 2a7583bada7d92ecf81db6380e139f6bc8bbcd06 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 11:57:40,313 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 11:57:40,314 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 11:57:40,322 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 11:57:40,322 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 11:57:40,323 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 11:57:40,324 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 11:57:40,325 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 11:57:40,326 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 11:57:40,327 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 11:57:40,328 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 11:57:40,328 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 11:57:40,329 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 11:57:40,329 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 11:57:40,330 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 11:57:40,331 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 11:57:40,331 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 11:57:40,333 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 11:57:40,334 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 11:57:40,335 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 11:57:40,336 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 11:57:40,337 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 11:57:40,338 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 11:57:40,339 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 11:57:40,339 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 11:57:40,340 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 11:57:40,340 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 11:57:40,341 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 11:57:40,342 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 11:57:40,342 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 11:57:40,343 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 11:57:40,343 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 11:57:40,343 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 11:57:40,344 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 11:57:40,344 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 11:57:40,345 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 11:57:40,345 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-18 11:57:40,356 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 11:57:40,356 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 11:57:40,357 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 11:57:40,357 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-18 11:57:40,357 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-11-18 11:57:40,357 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-18 11:57:40,357 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-18 11:57:40,357 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-18 11:57:40,358 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-18 11:57:40,358 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-18 11:57:40,358 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-18 11:57:40,358 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-18 11:57:40,358 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-18 11:57:40,359 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 11:57:40,359 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 11:57:40,359 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 11:57:40,359 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 11:57:40,359 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 11:57:40,360 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 11:57:40,360 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 11:57:40,360 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 11:57:40,360 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 11:57:40,360 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 11:57:40,360 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 11:57:40,360 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 11:57:40,361 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 11:57:40,361 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 11:57:40,361 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 11:57:40,361 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 11:57:40,361 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:57:40,361 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 11:57:40,361 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 11:57:40,362 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 11:57:40,362 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-18 11:57:40,362 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 11:57:40,362 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 11:57:40,362 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-18 11:57:40,362 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_862c7cee-c747-4e8b-81dd-a7f4d2775328/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 -> 2a7583bada7d92ecf81db6380e139f6bc8bbcd06 [2018-11-18 11:57:40,387 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 11:57:40,397 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 11:57:40,400 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 11:57:40,401 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 11:57:40,401 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 11:57:40,402 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem16_label21_true-unreach-call.c [2018-11-18 11:57:40,444 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/data/19ac77748/846e724c7d11452aad1846facce0a4f7/FLAG09d978108 [2018-11-18 11:57:40,880 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 11:57:40,881 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/sv-benchmarks/c/eca-rers2012/Problem16_label21_true-unreach-call.c [2018-11-18 11:57:40,895 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/data/19ac77748/846e724c7d11452aad1846facce0a4f7/FLAG09d978108 [2018-11-18 11:57:41,207 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/data/19ac77748/846e724c7d11452aad1846facce0a4f7 [2018-11-18 11:57:41,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 11:57:41,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 11:57:41,212 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 11:57:41,212 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 11:57:41,216 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 11:57:41,217 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:57:41" (1/1) ... [2018-11-18 11:57:41,219 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@29b8f7f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:41, skipping insertion in model container [2018-11-18 11:57:41,220 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 11:57:41" (1/1) ... [2018-11-18 11:57:41,227 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 11:57:41,289 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 11:57:41,727 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:57:41,730 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 11:57:41,883 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 11:57:41,894 INFO L195 MainTranslator]: Completed translation [2018-11-18 11:57:41,895 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:41 WrapperNode [2018-11-18 11:57:41,895 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 11:57:41,895 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 11:57:41,895 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 11:57:41,895 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 11:57:41,978 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:41" (1/1) ... [2018-11-18 11:57:41,998 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:41" (1/1) ... [2018-11-18 11:57:42,006 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 11:57:42,006 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 11:57:42,006 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 11:57:42,006 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 11:57:42,013 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:41" (1/1) ... [2018-11-18 11:57:42,013 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:41" (1/1) ... [2018-11-18 11:57:42,018 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:41" (1/1) ... [2018-11-18 11:57:42,018 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:41" (1/1) ... [2018-11-18 11:57:42,062 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:41" (1/1) ... [2018-11-18 11:57:42,073 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:41" (1/1) ... [2018-11-18 11:57:42,083 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:41" (1/1) ... [2018-11-18 11:57:42,095 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 11:57:42,096 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 11:57:42,096 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 11:57:42,096 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 11:57:42,097 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 11:57:42,149 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 11:57:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 11:57:42,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 11:57:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output2 [2018-11-18 11:57:42,150 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output2 [2018-11-18 11:57:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-18 11:57:42,150 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-18 11:57:42,150 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 11:57:42,150 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 11:57:42,151 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 11:57:42,151 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 11:57:44,033 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 11:57:44,033 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:57:44 BoogieIcfgContainer [2018-11-18 11:57:44,034 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 11:57:44,034 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 11:57:44,034 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 11:57:44,037 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 11:57:44,037 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 11:57:41" (1/3) ... [2018-11-18 11:57:44,037 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784920ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:57:44, skipping insertion in model container [2018-11-18 11:57:44,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 11:57:41" (2/3) ... [2018-11-18 11:57:44,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@784920ab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 11:57:44, skipping insertion in model container [2018-11-18 11:57:44,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:57:44" (3/3) ... [2018-11-18 11:57:44,040 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem16_label21_true-unreach-call.c [2018-11-18 11:57:44,047 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 11:57:44,053 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 11:57:44,063 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 11:57:44,089 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 11:57:44,089 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 11:57:44,089 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 11:57:44,089 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 11:57:44,090 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 11:57:44,091 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 11:57:44,091 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 11:57:44,091 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 11:57:44,113 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states. [2018-11-18 11:57:44,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2018-11-18 11:57:44,119 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:57:44,119 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:44,121 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:57:44,125 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:44,125 INFO L82 PathProgramCache]: Analyzing trace with hash -1498004389, now seen corresponding path program 1 times [2018-11-18 11:57:44,127 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:57:44,159 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:44,160 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:44,160 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:44,160 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:57:44,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:57:44,338 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:57:44,338 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 11:57:44,338 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:57:44,343 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 11:57:44,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 11:57:44,355 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:57:44,357 INFO L87 Difference]: Start difference. First operand 410 states. Second operand 3 states. [2018-11-18 11:57:45,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:57:45,664 INFO L93 Difference]: Finished difference Result 1156 states and 2144 transitions. [2018-11-18 11:57:45,665 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 11:57:45,666 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 45 [2018-11-18 11:57:45,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:57:45,681 INFO L225 Difference]: With dead ends: 1156 [2018-11-18 11:57:45,681 INFO L226 Difference]: Without dead ends: 744 [2018-11-18 11:57:45,686 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 11:57:45,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 744 states. [2018-11-18 11:57:45,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 744 to 744. [2018-11-18 11:57:45,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 744 states. [2018-11-18 11:57:45,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 744 states and 1329 transitions. [2018-11-18 11:57:45,748 INFO L78 Accepts]: Start accepts. Automaton has 744 states and 1329 transitions. Word has length 45 [2018-11-18 11:57:45,748 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:57:45,748 INFO L480 AbstractCegarLoop]: Abstraction has 744 states and 1329 transitions. [2018-11-18 11:57:45,748 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 11:57:45,748 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 1329 transitions. [2018-11-18 11:57:45,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 11:57:45,752 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:57:45,753 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:45,753 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:57:45,753 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:45,754 INFO L82 PathProgramCache]: Analyzing trace with hash -440618184, now seen corresponding path program 1 times [2018-11-18 11:57:45,754 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:57:45,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:45,755 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:45,755 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:45,755 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:57:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:45,942 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:57:45,942 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:57:45,943 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:57:45,943 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:57:45,944 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:57:45,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:57:45,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:57:45,945 INFO L87 Difference]: Start difference. First operand 744 states and 1329 transitions. Second operand 6 states. [2018-11-18 11:57:48,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:57:48,237 INFO L93 Difference]: Finished difference Result 2183 states and 3908 transitions. [2018-11-18 11:57:48,237 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:57:48,238 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 153 [2018-11-18 11:57:48,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:57:48,248 INFO L225 Difference]: With dead ends: 2183 [2018-11-18 11:57:48,248 INFO L226 Difference]: Without dead ends: 1445 [2018-11-18 11:57:48,252 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:57:48,254 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1445 states. [2018-11-18 11:57:48,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1445 to 1424. [2018-11-18 11:57:48,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1424 states. [2018-11-18 11:57:48,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1424 states and 2239 transitions. [2018-11-18 11:57:48,302 INFO L78 Accepts]: Start accepts. Automaton has 1424 states and 2239 transitions. Word has length 153 [2018-11-18 11:57:48,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:57:48,303 INFO L480 AbstractCegarLoop]: Abstraction has 1424 states and 2239 transitions. [2018-11-18 11:57:48,303 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:57:48,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1424 states and 2239 transitions. [2018-11-18 11:57:48,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 11:57:48,306 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:57:48,307 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:48,307 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:57:48,307 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:48,307 INFO L82 PathProgramCache]: Analyzing trace with hash -1136180315, now seen corresponding path program 1 times [2018-11-18 11:57:48,307 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:57:48,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:48,308 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:48,308 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:48,309 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:57:48,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:48,466 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 11:57:48,466 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 11:57:48,467 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-11-18 11:57:48,467 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:57:48,467 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:57:48,468 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:57:48,468 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:57:48,468 INFO L87 Difference]: Start difference. First operand 1424 states and 2239 transitions. Second operand 6 states. [2018-11-18 11:57:50,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:57:50,560 INFO L93 Difference]: Finished difference Result 3902 states and 6351 transitions. [2018-11-18 11:57:50,561 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-18 11:57:50,561 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 156 [2018-11-18 11:57:50,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:57:50,573 INFO L225 Difference]: With dead ends: 3902 [2018-11-18 11:57:50,573 INFO L226 Difference]: Without dead ends: 2484 [2018-11-18 11:57:50,577 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-11-18 11:57:50,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2018-11-18 11:57:50,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2474. [2018-11-18 11:57:50,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2474 states. [2018-11-18 11:57:50,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2474 states and 3744 transitions. [2018-11-18 11:57:50,633 INFO L78 Accepts]: Start accepts. Automaton has 2474 states and 3744 transitions. Word has length 156 [2018-11-18 11:57:50,633 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:57:50,633 INFO L480 AbstractCegarLoop]: Abstraction has 2474 states and 3744 transitions. [2018-11-18 11:57:50,633 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:57:50,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 3744 transitions. [2018-11-18 11:57:50,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2018-11-18 11:57:50,638 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:57:50,638 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:57:50,638 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:57:50,638 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:50,639 INFO L82 PathProgramCache]: Analyzing trace with hash -167171944, now seen corresponding path program 1 times [2018-11-18 11:57:50,639 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:57:50,639 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:50,639 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:57:50,640 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:57:50,640 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:57:50,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:57:50,833 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 76 proven. 106 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 11:57:50,834 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:57:50,834 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:57:50,834 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 273 with the following transitions: [2018-11-18 11:57:50,836 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:57:50,866 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:57:50,866 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:57:51,195 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:57:51,196 INFO L272 AbstractInterpreter]: Visited 121 different actions 121 times. Never merged. Never widened. Performed 1101 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1101 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 24 variables. [2018-11-18 11:57:51,217 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:57:51,217 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:57:51,670 INFO L227 lantSequenceWeakener]: Weakened 263 states. On average, predicates are now at 77.77% of their original sizes. [2018-11-18 11:57:51,671 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:57:51,705 INFO L415 sIntCurrentIteration]: We unified 271 AI predicates to 271 [2018-11-18 11:57:51,706 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:57:51,706 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:57:51,707 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-18 11:57:51,707 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:57:51,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-18 11:57:51,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-18 11:57:51,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-18 11:57:51,708 INFO L87 Difference]: Start difference. First operand 2474 states and 3744 transitions. Second operand 6 states. [2018-11-18 11:58:42,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:58:42,847 INFO L93 Difference]: Finished difference Result 5282 states and 7967 transitions. [2018-11-18 11:58:42,847 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-11-18 11:58:42,847 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 272 [2018-11-18 11:58:42,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:58:42,858 INFO L225 Difference]: With dead ends: 5282 [2018-11-18 11:58:42,858 INFO L226 Difference]: Without dead ends: 2814 [2018-11-18 11:58:42,864 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 272 GetRequests, 267 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-18 11:58:42,867 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2814 states. [2018-11-18 11:58:42,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2814 to 2812. [2018-11-18 11:58:42,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2812 states. [2018-11-18 11:58:42,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2812 states and 4089 transitions. [2018-11-18 11:58:42,927 INFO L78 Accepts]: Start accepts. Automaton has 2812 states and 4089 transitions. Word has length 272 [2018-11-18 11:58:42,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:58:42,927 INFO L480 AbstractCegarLoop]: Abstraction has 2812 states and 4089 transitions. [2018-11-18 11:58:42,927 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-18 11:58:42,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2812 states and 4089 transitions. [2018-11-18 11:58:42,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 365 [2018-11-18 11:58:42,933 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:58:42,934 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:58:42,934 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:58:42,934 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:42,934 INFO L82 PathProgramCache]: Analyzing trace with hash 188625339, now seen corresponding path program 1 times [2018-11-18 11:58:42,934 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:58:42,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:42,935 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:58:42,935 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:42,935 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:58:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:43,146 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 209 proven. 110 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-18 11:58:43,146 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:58:43,146 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:58:43,146 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 365 with the following transitions: [2018-11-18 11:58:43,147 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [760], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:58:43,151 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:58:43,151 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:58:43,381 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 11:58:43,381 INFO L272 AbstractInterpreter]: Visited 126 different actions 364 times. Merged at 5 different actions 9 times. Never widened. Performed 3550 root evaluator evaluations with a maximum evaluation depth of 7. Performed 3550 inverse root evaluator evaluations with a maximum inverse evaluation depth of 7. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 11:58:43,384 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:43,385 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 11:58:43,385 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:58:43,385 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 11:58:43,397 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:58:43,397 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 11:58:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:43,482 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 11:58:43,598 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 368 proven. 2 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-18 11:58:43,598 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 11:58:43,755 INFO L134 CoverageAnalysis]: Checked inductivity of 409 backedges. 209 proven. 110 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-11-18 11:58:43,772 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 11:58:43,772 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 11 [2018-11-18 11:58:43,773 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 11:58:43,773 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 11:58:43,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 11:58:43,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=83, Unknown=0, NotChecked=0, Total=110 [2018-11-18 11:58:43,774 INFO L87 Difference]: Start difference. First operand 2812 states and 4089 transitions. Second operand 9 states. [2018-11-18 11:58:49,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 11:58:49,981 INFO L93 Difference]: Finished difference Result 11117 states and 16850 transitions. [2018-11-18 11:58:49,981 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-18 11:58:49,981 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 364 [2018-11-18 11:58:49,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 11:58:50,009 INFO L225 Difference]: With dead ends: 11117 [2018-11-18 11:58:50,010 INFO L226 Difference]: Without dead ends: 7304 [2018-11-18 11:58:50,049 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 809 GetRequests, 761 SyntacticMatches, 1 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 709 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=515, Invalid=1837, Unknown=0, NotChecked=0, Total=2352 [2018-11-18 11:58:50,054 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7304 states. [2018-11-18 11:58:50,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7304 to 7038. [2018-11-18 11:58:50,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7038 states. [2018-11-18 11:58:50,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7038 states to 7038 states and 7989 transitions. [2018-11-18 11:58:50,222 INFO L78 Accepts]: Start accepts. Automaton has 7038 states and 7989 transitions. Word has length 364 [2018-11-18 11:58:50,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 11:58:50,222 INFO L480 AbstractCegarLoop]: Abstraction has 7038 states and 7989 transitions. [2018-11-18 11:58:50,222 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 11:58:50,222 INFO L276 IsEmpty]: Start isEmpty. Operand 7038 states and 7989 transitions. [2018-11-18 11:58:50,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2018-11-18 11:58:50,234 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 11:58:50,235 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 11:58:50,235 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 11:58:50,235 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:50,235 INFO L82 PathProgramCache]: Analyzing trace with hash 1738444371, now seen corresponding path program 1 times [2018-11-18 11:58:50,236 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 11:58:50,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:50,236 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 11:58:50,236 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 11:58:50,237 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 11:58:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 11:58:51,069 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 224 proven. 123 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-11-18 11:58:51,069 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 11:58:51,069 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 11:58:51,069 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 513 with the following transitions: [2018-11-18 11:58:51,070 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 11:58:51,075 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 11:58:51,076 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 11:58:51,319 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 11:58:51,319 INFO L272 AbstractInterpreter]: Visited 249 different actions 492 times. Merged at 5 different actions 5 times. Never widened. Performed 5201 root evaluator evaluations with a maximum evaluation depth of 10. Performed 5201 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-11-18 11:58:51,321 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 11:58:51,321 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 11:58:51,707 INFO L227 lantSequenceWeakener]: Weakened 509 states. On average, predicates are now at 77.58% of their original sizes. [2018-11-18 11:58:51,707 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 11:58:51,769 INFO L415 sIntCurrentIteration]: We unified 511 AI predicates to 511 [2018-11-18 11:58:51,769 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 11:58:51,770 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 11:58:51,770 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 16 [2018-11-18 11:58:51,770 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 11:58:51,770 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-18 11:58:51,771 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-18 11:58:51,771 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-18 11:58:51,771 INFO L87 Difference]: Start difference. First operand 7038 states and 7989 transitions. Second operand 10 states. [2018-11-18 12:00:11,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:00:11,823 INFO L93 Difference]: Finished difference Result 14075 states and 16021 transitions. [2018-11-18 12:00:11,823 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-11-18 12:00:11,823 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 512 [2018-11-18 12:00:11,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:00:11,848 INFO L225 Difference]: With dead ends: 14075 [2018-11-18 12:00:11,848 INFO L226 Difference]: Without dead ends: 7381 [2018-11-18 12:00:11,865 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 519 GetRequests, 503 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-11-18 12:00:11,870 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7381 states. [2018-11-18 12:00:11,986 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7381 to 7378. [2018-11-18 12:00:11,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 7378 states. [2018-11-18 12:00:12,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7378 states to 7378 states and 8335 transitions. [2018-11-18 12:00:12,006 INFO L78 Accepts]: Start accepts. Automaton has 7378 states and 8335 transitions. Word has length 512 [2018-11-18 12:00:12,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:00:12,007 INFO L480 AbstractCegarLoop]: Abstraction has 7378 states and 8335 transitions. [2018-11-18 12:00:12,007 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-18 12:00:12,007 INFO L276 IsEmpty]: Start isEmpty. Operand 7378 states and 8335 transitions. [2018-11-18 12:00:12,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 622 [2018-11-18 12:00:12,023 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:00:12,024 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:00:12,024 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:00:12,024 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:12,024 INFO L82 PathProgramCache]: Analyzing trace with hash -1995252425, now seen corresponding path program 1 times [2018-11-18 12:00:12,024 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:00:12,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:12,025 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:00:12,025 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:00:12,025 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:00:12,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:00:12,501 INFO L134 CoverageAnalysis]: Checked inductivity of 793 backedges. 164 proven. 389 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-11-18 12:00:12,501 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:00:12,501 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:00:12,501 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 622 with the following transitions: [2018-11-18 12:00:12,502 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:00:12,505 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:00:12,505 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:00:12,845 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-18 12:00:12,845 INFO L272 AbstractInterpreter]: Visited 258 different actions 769 times. Merged at 7 different actions 17 times. Never widened. Performed 8999 root evaluator evaluations with a maximum evaluation depth of 10. Performed 8999 inverse root evaluator evaluations with a maximum inverse evaluation depth of 10. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-11-18 12:00:12,849 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:00:12,849 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-18 12:00:13,176 INFO L227 lantSequenceWeakener]: Weakened 618 states. On average, predicates are now at 80.26% of their original sizes. [2018-11-18 12:00:13,177 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-18 12:00:13,246 INFO L415 sIntCurrentIteration]: We unified 620 AI predicates to 620 [2018-11-18 12:00:13,246 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-18 12:00:13,246 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:00:13,246 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [6] total 13 [2018-11-18 12:00:13,246 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:00:13,247 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:00:13,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:00:13,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:00:13,247 INFO L87 Difference]: Start difference. First operand 7378 states and 8335 transitions. Second operand 9 states. [2018-11-18 12:01:17,867 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:01:17,867 INFO L93 Difference]: Finished difference Result 15056 states and 17165 transitions. [2018-11-18 12:01:17,867 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2018-11-18 12:01:17,868 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 621 [2018-11-18 12:01:17,868 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:01:17,895 INFO L225 Difference]: With dead ends: 15056 [2018-11-18 12:01:17,896 INFO L226 Difference]: Without dead ends: 8362 [2018-11-18 12:01:17,912 INFO L604 BasicCegarLoop]: 2 DeclaredPredicates, 627 GetRequests, 613 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=62, Invalid=178, Unknown=0, NotChecked=0, Total=240 [2018-11-18 12:01:17,919 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8362 states. [2018-11-18 12:01:18,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8362 to 8320. [2018-11-18 12:01:18,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 8320 states. [2018-11-18 12:01:18,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8320 states to 8320 states and 9331 transitions. [2018-11-18 12:01:18,059 INFO L78 Accepts]: Start accepts. Automaton has 8320 states and 9331 transitions. Word has length 621 [2018-11-18 12:01:18,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:01:18,060 INFO L480 AbstractCegarLoop]: Abstraction has 8320 states and 9331 transitions. [2018-11-18 12:01:18,060 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:01:18,060 INFO L276 IsEmpty]: Start isEmpty. Operand 8320 states and 9331 transitions. [2018-11-18 12:01:18,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 752 [2018-11-18 12:01:18,071 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:01:18,071 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:01:18,071 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:01:18,072 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:01:18,072 INFO L82 PathProgramCache]: Analyzing trace with hash 2107800686, now seen corresponding path program 1 times [2018-11-18 12:01:18,072 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:01:18,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:01:18,073 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:01:18,073 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:01:18,073 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:01:18,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:19,059 INFO L134 CoverageAnalysis]: Checked inductivity of 1289 backedges. 444 proven. 511 refuted. 0 times theorem prover too weak. 334 trivial. 0 not checked. [2018-11-18 12:01:19,059 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:01:19,060 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:01:19,060 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 752 with the following transitions: [2018-11-18 12:01:19,060 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [796], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1353], [1357], [1361], [1365], [1369], [1373], [1377], [1381], [1384], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:01:19,063 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:01:19,063 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:01:19,621 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:01:19,621 INFO L272 AbstractInterpreter]: Visited 260 different actions 1298 times. Merged at 10 different actions 45 times. Widened at 1 different actions 1 times. Performed 15798 root evaluator evaluations with a maximum evaluation depth of 18. Performed 15798 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 11 fixpoints after 3 different actions. Largest state had 24 variables. [2018-11-18 12:01:19,629 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:01:19,629 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:01:19,629 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:01:19,630 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:01:19,637 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:01:19,637 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:01:19,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:19,752 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:01:20,004 INFO L134 CoverageAnalysis]: Checked inductivity of 1289 backedges. 922 proven. 2 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2018-11-18 12:01:20,005 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:01:20,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1289 backedges. 542 proven. 110 refuted. 0 times theorem prover too weak. 637 trivial. 0 not checked. [2018-11-18 12:01:20,321 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:01:20,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 5, 5] total 17 [2018-11-18 12:01:20,322 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:01:20,323 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2018-11-18 12:01:20,324 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2018-11-18 12:01:20,324 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=210, Unknown=0, NotChecked=0, Total=272 [2018-11-18 12:01:20,324 INFO L87 Difference]: Start difference. First operand 8320 states and 9331 transitions. Second operand 15 states. [2018-11-18 12:01:25,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:01:25,906 INFO L93 Difference]: Finished difference Result 20604 states and 23883 transitions. [2018-11-18 12:01:25,906 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2018-11-18 12:01:25,906 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 751 [2018-11-18 12:01:25,907 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:01:25,937 INFO L225 Difference]: With dead ends: 20604 [2018-11-18 12:01:25,937 INFO L226 Difference]: Without dead ends: 12968 [2018-11-18 12:01:25,965 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 1593 GetRequests, 1534 SyntacticMatches, 2 SemanticMatches, 57 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1000 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=680, Invalid=2742, Unknown=0, NotChecked=0, Total=3422 [2018-11-18 12:01:25,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 12968 states. [2018-11-18 12:01:26,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 12968 to 12333. [2018-11-18 12:01:26,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 12333 states. [2018-11-18 12:01:26,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12333 states to 12333 states and 13834 transitions. [2018-11-18 12:01:26,167 INFO L78 Accepts]: Start accepts. Automaton has 12333 states and 13834 transitions. Word has length 751 [2018-11-18 12:01:26,167 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:01:26,167 INFO L480 AbstractCegarLoop]: Abstraction has 12333 states and 13834 transitions. [2018-11-18 12:01:26,168 INFO L481 AbstractCegarLoop]: Interpolant automaton has 15 states. [2018-11-18 12:01:26,168 INFO L276 IsEmpty]: Start isEmpty. Operand 12333 states and 13834 transitions. [2018-11-18 12:01:26,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1080 [2018-11-18 12:01:26,184 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:01:26,184 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:01:26,184 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:01:26,185 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:01:26,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1202642548, now seen corresponding path program 1 times [2018-11-18 12:01:26,185 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:01:26,185 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:01:26,186 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:01:26,186 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:01:26,186 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:01:26,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:26,897 INFO L134 CoverageAnalysis]: Checked inductivity of 2605 backedges. 731 proven. 223 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2018-11-18 12:01:26,898 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:01:26,898 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:01:26,898 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1080 with the following transitions: [2018-11-18 12:01:26,898 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:01:26,901 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:01:26,901 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:01:27,379 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:01:27,379 INFO L272 AbstractInterpreter]: Visited 254 different actions 1025 times. Merged at 12 different actions 44 times. Widened at 1 different actions 1 times. Performed 11976 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11976 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 12:01:27,381 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:01:27,381 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:01:27,381 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:01:27,381 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:01:27,387 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:01:27,387 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:01:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:27,514 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:01:27,915 INFO L134 CoverageAnalysis]: Checked inductivity of 2605 backedges. 1729 proven. 2 refuted. 0 times theorem prover too weak. 874 trivial. 0 not checked. [2018-11-18 12:01:27,916 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:01:28,295 INFO L134 CoverageAnalysis]: Checked inductivity of 2605 backedges. 731 proven. 223 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2018-11-18 12:01:28,311 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:01:28,312 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 12:01:28,312 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:01:28,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:01:28,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:01:28,313 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:01:28,313 INFO L87 Difference]: Start difference. First operand 12333 states and 13834 transitions. Second operand 9 states. [2018-11-18 12:01:30,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:01:30,242 INFO L93 Difference]: Finished difference Result 25983 states and 29617 transitions. [2018-11-18 12:01:30,242 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2018-11-18 12:01:30,242 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1079 [2018-11-18 12:01:30,243 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:01:30,287 INFO L225 Difference]: With dead ends: 25983 [2018-11-18 12:01:30,287 INFO L226 Difference]: Without dead ends: 14379 [2018-11-18 12:01:30,322 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2175 GetRequests, 2159 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=158, Unknown=0, NotChecked=0, Total=240 [2018-11-18 12:01:30,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14379 states. [2018-11-18 12:01:30,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14379 to 14320. [2018-11-18 12:01:30,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 14320 states. [2018-11-18 12:01:30,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14320 states to 14320 states and 15872 transitions. [2018-11-18 12:01:30,556 INFO L78 Accepts]: Start accepts. Automaton has 14320 states and 15872 transitions. Word has length 1079 [2018-11-18 12:01:30,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:01:30,557 INFO L480 AbstractCegarLoop]: Abstraction has 14320 states and 15872 transitions. [2018-11-18 12:01:30,557 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:01:30,557 INFO L276 IsEmpty]: Start isEmpty. Operand 14320 states and 15872 transitions. [2018-11-18 12:01:30,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1081 [2018-11-18 12:01:30,576 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:01:30,577 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:01:30,577 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:01:30,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:01:30,578 INFO L82 PathProgramCache]: Analyzing trace with hash -1126658353, now seen corresponding path program 1 times [2018-11-18 12:01:30,578 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:01:30,578 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:01:30,579 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:01:30,579 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:01:30,579 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:01:30,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:31,414 INFO L134 CoverageAnalysis]: Checked inductivity of 2611 backedges. 904 proven. 110 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2018-11-18 12:01:31,414 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:01:31,414 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:01:31,414 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1081 with the following transitions: [2018-11-18 12:01:31,414 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [673], [676], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [856], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [1269], [1273], [1277], [1281], [1285], [1288], [1289], [1293], [1297], [1301], [1305], [1309], [1313], [1317], [1321], [1325], [1329], [1333], [1337], [1341], [1345], [1349], [1352], [1552], [1556], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:01:31,417 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:01:31,417 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:01:31,925 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:01:31,925 INFO L272 AbstractInterpreter]: Visited 254 different actions 1028 times. Merged at 12 different actions 47 times. Widened at 1 different actions 1 times. Performed 11937 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11937 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 12:01:31,929 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:01:31,929 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:01:31,929 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:01:31,930 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:01:31,936 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:01:31,936 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:01:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:32,061 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:01:32,392 INFO L134 CoverageAnalysis]: Checked inductivity of 2611 backedges. 1466 proven. 2 refuted. 0 times theorem prover too weak. 1143 trivial. 0 not checked. [2018-11-18 12:01:32,392 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:01:32,841 INFO L134 CoverageAnalysis]: Checked inductivity of 2611 backedges. 904 proven. 110 refuted. 0 times theorem prover too weak. 1597 trivial. 0 not checked. [2018-11-18 12:01:32,857 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:01:32,857 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-18 12:01:32,857 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:01:32,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-18 12:01:32,858 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-18 12:01:32,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2018-11-18 12:01:32,859 INFO L87 Difference]: Start difference. First operand 14320 states and 15872 transitions. Second operand 9 states. [2018-11-18 12:01:35,508 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:01:35,509 INFO L93 Difference]: Finished difference Result 30113 states and 34344 transitions. [2018-11-18 12:01:35,509 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-11-18 12:01:35,509 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 1080 [2018-11-18 12:01:35,510 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:01:35,550 INFO L225 Difference]: With dead ends: 30113 [2018-11-18 12:01:35,551 INFO L226 Difference]: Without dead ends: 16522 [2018-11-18 12:01:35,580 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2188 GetRequests, 2166 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 78 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=145, Invalid=317, Unknown=0, NotChecked=0, Total=462 [2018-11-18 12:01:35,590 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16522 states. [2018-11-18 12:01:35,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16522 to 16334. [2018-11-18 12:01:35,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 16334 states. [2018-11-18 12:01:35,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16334 states to 16334 states and 17874 transitions. [2018-11-18 12:01:35,816 INFO L78 Accepts]: Start accepts. Automaton has 16334 states and 17874 transitions. Word has length 1080 [2018-11-18 12:01:35,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:01:35,816 INFO L480 AbstractCegarLoop]: Abstraction has 16334 states and 17874 transitions. [2018-11-18 12:01:35,816 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-18 12:01:35,817 INFO L276 IsEmpty]: Start isEmpty. Operand 16334 states and 17874 transitions. [2018-11-18 12:01:35,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1109 [2018-11-18 12:01:35,835 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:01:35,836 INFO L375 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 12:01:35,836 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:01:35,836 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:01:35,836 INFO L82 PathProgramCache]: Analyzing trace with hash -721120059, now seen corresponding path program 1 times [2018-11-18 12:01:35,837 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:01:35,837 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:01:35,837 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:01:35,838 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:01:35,838 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:01:35,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:37,071 INFO L134 CoverageAnalysis]: Checked inductivity of 2704 backedges. 1371 proven. 156 refuted. 0 times theorem prover too weak. 1177 trivial. 0 not checked. [2018-11-18 12:01:37,072 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:01:37,072 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:01:37,072 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1109 with the following transitions: [2018-11-18 12:01:37,072 INFO L202 CegarAbsIntRunner]: [0], [1], [180], [187], [195], [203], [211], [219], [227], [235], [243], [251], [259], [267], [275], [283], [291], [299], [307], [315], [323], [331], [339], [347], [355], [363], [371], [379], [387], [395], [403], [411], [419], [427], [435], [439], [441], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [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], [1560], [1566], [1570], [1572], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:01:37,075 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:01:37,075 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:01:37,575 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:01:37,575 INFO L272 AbstractInterpreter]: Visited 254 different actions 1021 times. Merged at 12 different actions 40 times. Never widened. Performed 11923 root evaluator evaluations with a maximum evaluation depth of 18. Performed 11923 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 13 fixpoints after 4 different actions. Largest state had 24 variables. [2018-11-18 12:01:37,577 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:01:37,577 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:01:37,578 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:01:37,578 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:01:37,658 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:01:37,658 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:01:37,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:37,788 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:01:38,091 INFO L134 CoverageAnalysis]: Checked inductivity of 2704 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2018-11-18 12:01:38,092 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:01:38,439 INFO L134 CoverageAnalysis]: Checked inductivity of 2704 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2018-11-18 12:01:38,458 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-11-18 12:01:38,458 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [8] total 9 [2018-11-18 12:01:38,459 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-18 12:01:38,459 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 12:01:38,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 12:01:38,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:01:38,459 INFO L87 Difference]: Start difference. First operand 16334 states and 17874 transitions. Second operand 3 states. [2018-11-18 12:01:39,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:01:39,138 INFO L93 Difference]: Finished difference Result 31276 states and 34253 transitions. [2018-11-18 12:01:39,138 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 12:01:39,138 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 1108 [2018-11-18 12:01:39,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:01:39,166 INFO L225 Difference]: With dead ends: 31276 [2018-11-18 12:01:39,167 INFO L226 Difference]: Without dead ends: 15671 [2018-11-18 12:01:39,189 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2225 GetRequests, 2216 SyntacticMatches, 2 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2018-11-18 12:01:39,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15671 states. [2018-11-18 12:01:39,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15671 to 15575. [2018-11-18 12:01:39,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 15575 states. [2018-11-18 12:01:39,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15575 states to 15575 states and 16679 transitions. [2018-11-18 12:01:39,384 INFO L78 Accepts]: Start accepts. Automaton has 15575 states and 16679 transitions. Word has length 1108 [2018-11-18 12:01:39,385 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:01:39,385 INFO L480 AbstractCegarLoop]: Abstraction has 15575 states and 16679 transitions. [2018-11-18 12:01:39,385 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 12:01:39,385 INFO L276 IsEmpty]: Start isEmpty. Operand 15575 states and 16679 transitions. [2018-11-18 12:01:39,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1444 [2018-11-18 12:01:39,403 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 12:01:39,404 INFO L375 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, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-18 12:01:39,404 INFO L423 AbstractCegarLoop]: === Iteration 12 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 12:01:39,404 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:01:39,405 INFO L82 PathProgramCache]: Analyzing trace with hash 1073948252, now seen corresponding path program 1 times [2018-11-18 12:01:39,405 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-18 12:01:39,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:01:39,406 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:01:39,406 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 12:01:39,406 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-18 12:01:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:40,941 INFO L134 CoverageAnalysis]: Checked inductivity of 3805 backedges. 1344 proven. 41 refuted. 0 times theorem prover too weak. 2420 trivial. 0 not checked. [2018-11-18 12:01:40,941 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:01:40,941 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-18 12:01:40,941 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 1444 with the following transitions: [2018-11-18 12:01:40,942 INFO L202 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], [165], [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], [439], [441], [444], [452], [460], [468], [476], [484], [492], [500], [508], [516], [524], [532], [540], [548], [556], [564], [572], [580], [588], [596], [604], [612], [620], [628], [636], [644], [652], [660], [668], [672], [673], [677], [681], [685], [689], [693], [697], [701], [705], [709], [713], [717], [721], [725], [729], [733], [737], [741], [745], [749], [753], [757], [761], [765], [769], [773], [777], [781], [785], [789], [793], [797], [801], [805], [809], [813], [817], [821], [825], [829], [833], [836], [837], [841], [845], [849], [853], [857], [861], [865], [869], [873], [877], [881], [885], [889], [893], [897], [901], [905], [909], [912], [913], [917], [921], [925], [929], [933], [937], [941], [945], [949], [953], [957], [961], [964], [965], [969], [972], [973], [977], [981], [985], [989], [993], [997], [1001], [1005], [1009], [1013], [1017], [1021], [1025], [1029], [1033], [1037], [1041], [1045], [1049], [1053], [1057], [1061], [1065], [1069], [1073], [1077], [1081], [1085], [1089], [1093], [1097], [1101], [1105], [1109], [1113], [1117], [1121], [1125], [1129], [1133], [1137], [1141], [1145], [1149], [1153], [1157], [1161], [1165], [1169], [1173], [1177], [1181], [1185], [1189], [1193], [1197], [1201], [1205], [1209], [1213], [1217], [1221], [1225], [1229], [1233], [1237], [1241], [1245], [1249], [1253], [1257], [1261], [1265], [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], [1560], [1566], [1570], [1572], [1577], [1578], [1579], [1580], [1581], [1583], [1584] [2018-11-18 12:01:40,945 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-18 12:01:40,945 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-18 12:01:41,583 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-18 12:01:41,583 INFO L272 AbstractInterpreter]: Visited 350 different actions 1399 times. Merged at 12 different actions 43 times. Widened at 1 different actions 1 times. Performed 17183 root evaluator evaluations with a maximum evaluation depth of 18. Performed 17183 inverse root evaluator evaluations with a maximum inverse evaluation depth of 18. Found 14 fixpoints after 6 different actions. Largest state had 24 variables. [2018-11-18 12:01:41,589 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 12:01:41,589 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-18 12:01:41,589 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-18 12:01:41,589 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/z3 Starting monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 7 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-18 12:01:41,599 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 12:01:41,599 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-18 12:01:41,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 12:01:41,784 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-18 12:01:42,611 INFO L134 CoverageAnalysis]: Checked inductivity of 3805 backedges. 2588 proven. 6 refuted. 0 times theorem prover too weak. 1211 trivial. 0 not checked. [2018-11-18 12:01:42,612 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-18 12:01:44,110 INFO L134 CoverageAnalysis]: Checked inductivity of 3805 backedges. 1485 proven. 361 refuted. 0 times theorem prover too weak. 1959 trivial. 0 not checked. [2018-11-18 12:01:44,128 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-18 12:01:44,129 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 21 [2018-11-18 12:01:44,129 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-18 12:01:44,130 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2018-11-18 12:01:44,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2018-11-18 12:01:44,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=343, Unknown=0, NotChecked=0, Total=420 [2018-11-18 12:01:44,130 INFO L87 Difference]: Start difference. First operand 15575 states and 16679 transitions. Second operand 16 states. [2018-11-18 12:01:54,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 12:01:54,403 INFO L93 Difference]: Finished difference Result 34494 states and 37138 transitions. [2018-11-18 12:01:54,403 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2018-11-18 12:01:54,404 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 1443 [2018-11-18 12:01:54,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 12:01:54,405 INFO L225 Difference]: With dead ends: 34494 [2018-11-18 12:01:54,405 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 12:01:54,444 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 2976 GetRequests, 2913 SyntacticMatches, 5 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 849 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=639, Invalid=2901, Unknown=0, NotChecked=0, Total=3540 [2018-11-18 12:01:54,444 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 12:01:54,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 12:01:54,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 12:01:54,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 12:01:54,444 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1443 [2018-11-18 12:01:54,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 12:01:54,444 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 12:01:54,445 INFO L481 AbstractCegarLoop]: Interpolant automaton has 16 states. [2018-11-18 12:01:54,445 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 12:01:54,445 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 12:01:54,448 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 12:01:54,476 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,503 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,505 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,507 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,510 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,511 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,526 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,537 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,547 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,560 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,564 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,569 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,570 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,607 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,629 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,636 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,637 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,649 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,658 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,661 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,663 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,668 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,677 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,685 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,689 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,694 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,700 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,703 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,712 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,718 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,737 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,739 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,744 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,747 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,757 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,766 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,783 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,788 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,791 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,808 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,818 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,819 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,826 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,838 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,842 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,851 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,865 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:54,871 WARN L180 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 323 DAG size of output: 200 [2018-11-18 12:01:55,083 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,087 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,093 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,153 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,248 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,592 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,593 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,594 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,595 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,596 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,611 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,612 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,617 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,621 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,624 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,631 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,642 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,645 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,647 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,652 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,654 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,662 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,676 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,680 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,691 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,693 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,695 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,696 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,699 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,701 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,702 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,705 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,707 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,708 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,709 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,710 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,713 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,714 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,716 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,720 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,722 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,726 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,728 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,732 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,734 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,735 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,736 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,738 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,740 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,749 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,751 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,752 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,753 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,763 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,765 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,776 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,782 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,784 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,790 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,792 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,795 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,796 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,798 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,805 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,810 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,821 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,823 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-18 12:01:55,826 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 350 DAG size of output: 212 [2018-11-18 12:01:56,243 WARN L180 SmtUtils]: Spent 391.00 ms on a formula simplification. DAG size of input: 212 DAG size of output: 57 [2018-11-18 12:01:56,718 WARN L180 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 74 [2018-11-18 12:01:57,140 WARN L180 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 262 DAG size of output: 73 [2018-11-18 12:01:57,954 WARN L180 SmtUtils]: Spent 801.00 ms on a formula simplification. DAG size of input: 266 DAG size of output: 100 [2018-11-18 12:01:58,380 WARN L180 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 220 DAG size of output: 57 [2018-11-18 12:01:58,388 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:01:58,389 INFO L421 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a16~0)| ~a16~0) (<= ~a18~0 |old(~a18~0)|) (= |old(~a15~0)| ~a15~0) (= |old(~a12~0)| ~a12~0)) [2018-11-18 12:01:58,389 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:01:58,389 INFO L425 ceAbstractionStarter]: For program point L1497(lines 1497 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,389 INFO L425 ceAbstractionStarter]: For program point calculate_output2EXIT(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 12:01:58,389 INFO L425 ceAbstractionStarter]: For program point L1687(lines 1687 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,389 INFO L425 ceAbstractionStarter]: For program point L1704(lines 1704 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,389 INFO L425 ceAbstractionStarter]: For program point L1638(lines 1638 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,389 INFO L425 ceAbstractionStarter]: For program point L1663(lines 1663 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,389 INFO L425 ceAbstractionStarter]: For program point L1597(lines 1597 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,389 INFO L425 ceAbstractionStarter]: For program point L1721(lines 1721 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,389 INFO L425 ceAbstractionStarter]: For program point L1622(lines 1622 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,389 INFO L425 ceAbstractionStarter]: For program point L1746(lines 1746 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,389 INFO L425 ceAbstractionStarter]: For program point L1515(lines 1515 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,389 INFO L425 ceAbstractionStarter]: For program point L1573(lines 1573 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1540(lines 1540 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1656(lines 1656 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1739(lines 1739 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1566(lines 1566 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1591(lines 1591 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1715(lines 1715 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1682(lines 1682 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1616(lines 1616 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1699(lines 1699 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1633(lines 1633 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1534(lines 1534 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1757(lines 1757 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1559(lines 1559 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1675(lines 1675 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1609(lines 1609 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,390 INFO L425 ceAbstractionStarter]: For program point L1510(lines 1510 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,391 INFO L425 ceAbstractionStarter]: For program point L1733(lines 1733 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,391 INFO L421 ceAbstractionStarter]: At program point calculate_output2ENTRY(lines 1494 1765) the Hoare annotation is: (let ((.cse2 (<= ~a18~0 |old(~a18~0)|)) (.cse3 (= |old(~a15~0)| ~a15~0)) (.cse5 (= |old(~a12~0)| ~a12~0))) (let ((.cse4 (= ~a16~0 |old(~a16~0)|)) (.cse6 (< 7 |old(~a12~0)|)) (.cse10 (= (+ ~a18~0 87) 0)) (.cse0 (not (= 3 |old(~a15~0)|))) (.cse1 (not (= 5 |old(~a12~0)|))) (.cse8 (not (= (+ |old(~a18~0)| 87) 0))) (.cse9 (not (= 11 |old(~a16~0)|))) (.cse7 (and (= |old(~a16~0)| ~a16~0) .cse2 .cse3 .cse5))) (and (or .cse0 .cse1 (and (<= |old(~a18~0)| 134) (< 0 (+ |old(~a18~0)| 79))) (and .cse2 .cse3 .cse4 (or (<= (+ ~a18~0 79) 0) (< 134 ~a18~0)) .cse5)) (or (and .cse2 .cse3 .cse4 .cse5) .cse6 (< |old(~a15~0)| 4)) (or (< |old(~a12~0)| 7) .cse7 (= 10 |old(~a16~0)|)) (or (= 9 |old(~a16~0)|) .cse7 .cse6) (or (or .cse0 .cse8 (not (= 6 |old(~a12~0)|))) .cse9 .cse10) (or .cse10 .cse0 .cse1 .cse8 .cse9) (or .cse7 (or (= 4 |old(~a15~0)|) (not (= 8 |old(~a12~0)|))))))) [2018-11-18 12:01:58,391 INFO L425 ceAbstractionStarter]: For program point L1527(lines 1527 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,391 INFO L425 ceAbstractionStarter]: For program point L1651(lines 1651 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,391 INFO L425 ceAbstractionStarter]: For program point L1585(lines 1585 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,391 INFO L425 ceAbstractionStarter]: For program point L1709(lines 1709 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,391 INFO L425 ceAbstractionStarter]: For program point L1503(lines 1503 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,391 INFO L425 ceAbstractionStarter]: For program point L1693(lines 1693 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,391 INFO L425 ceAbstractionStarter]: For program point L1553(lines 1553 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,391 INFO L425 ceAbstractionStarter]: For program point calculate_output2FINAL(lines 1494 1765) no Hoare annotation was computed. [2018-11-18 12:01:58,391 INFO L425 ceAbstractionStarter]: For program point L1669(lines 1669 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,392 INFO L425 ceAbstractionStarter]: For program point L1603(lines 1603 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,392 INFO L425 ceAbstractionStarter]: For program point L1727(lines 1727 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,392 INFO L425 ceAbstractionStarter]: For program point L1628(lines 1628 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,392 INFO L425 ceAbstractionStarter]: For program point L1752(lines 1752 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,392 INFO L425 ceAbstractionStarter]: For program point L1521(lines 1521 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,392 INFO L425 ceAbstractionStarter]: For program point L1645(lines 1645 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,392 INFO L425 ceAbstractionStarter]: For program point L1579(lines 1579 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,392 INFO L425 ceAbstractionStarter]: For program point L1546(lines 1546 1763) no Hoare annotation was computed. [2018-11-18 12:01:58,392 INFO L425 ceAbstractionStarter]: For program point L894(lines 894 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,392 INFO L425 ceAbstractionStarter]: For program point L828(lines 828 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,392 INFO L425 ceAbstractionStarter]: For program point L696(lines 696 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,392 INFO L425 ceAbstractionStarter]: For program point L1291(lines 1291 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,392 INFO L425 ceAbstractionStarter]: For program point L168-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,392 INFO L425 ceAbstractionStarter]: For program point L102-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,392 INFO L425 ceAbstractionStarter]: For program point L36-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,393 INFO L425 ceAbstractionStarter]: For program point L961(lines 961 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,393 INFO L425 ceAbstractionStarter]: For program point L763(lines 763 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,393 INFO L425 ceAbstractionStarter]: For program point L631(lines 631 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,393 INFO L425 ceAbstractionStarter]: For program point L367(lines 367 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,393 INFO L425 ceAbstractionStarter]: For program point L1358(lines 1358 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,393 INFO L425 ceAbstractionStarter]: For program point L235(lines 235 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,393 INFO L425 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-11-18 12:01:58,393 INFO L425 ceAbstractionStarter]: For program point L1160(lines 1160 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,393 INFO L425 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-11-18 12:01:58,393 INFO L425 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-11-18 12:01:58,393 INFO L421 ceAbstractionStarter]: At program point L1491(line 1491) the Hoare annotation is: (let ((.cse0 (= 9 |old(~a16~0)|)) (.cse7 (= |old(~a16~0)| ~a16~0)) (.cse8 (<= ~a18~0 |old(~a18~0)|)) (.cse6 (= |old(~a15~0)| ~a15~0)) (.cse9 (= |old(~a12~0)| ~a12~0))) (let ((.cse2 (and .cse7 .cse8 .cse6 .cse9)) (.cse11 (+ ~a18~0 79)) (.cse5 (and (<= |old(~a18~0)| 134) (< 0 (+ |old(~a18~0)| 79)))) (.cse1 (and (<= ~a12~0 |old(~a12~0)|) (= 8 ~a16~0) (not (= ~a15~0 4)) .cse7 .cse6)) (.cse4 (not (= 5 |old(~a12~0)|))) (.cse10 (not .cse0)) (.cse3 (not (= 3 |old(~a15~0)|))) (.cse13 (not (= 11 |old(~a16~0)|))) (.cse12 (= |calculate_output_#in~input| 0))) (and (or .cse0 .cse1 .cse2 (< 7 |old(~a12~0)|)) (or .cse3 .cse4 .cse5 (and .cse6 .cse7 .cse8 .cse9) .cse10) (or (< |old(~a12~0)| 7) .cse1 (= 10 |old(~a16~0)|) .cse2) (or (not (= 11 ~a16~0)) (not (= calculate_output_~input 3)) (not (= 7 |old(~a12~0)|)) (not (= ~a15~0 3)) (< 0 .cse11)) (or (= 4 |old(~a15~0)|) .cse1 (not (= 8 |old(~a12~0)|)) (and (and (= 8 ~a12~0) .cse7 .cse6) .cse8)) (or (or (<= .cse11 0) (< 134 ~a18~0)) .cse3 .cse4 .cse5 .cse1) (or .cse12 (= (+ ~a18~0 87) 0) (and (or .cse3 (not (= 6 |old(~a12~0)|)) .cse13) (or .cse3 .cse4 .cse13)) (not (= (+ |old(~a18~0)| 87) 0))) (or (and .cse8 .cse6 (= ~a16~0 |old(~a16~0)|) .cse9) .cse10 (< |old(~a15~0)| 4)) (or .cse3 (not (= calculate_output_~input 0)) (= 0 |old(~a12~0)|) .cse13 .cse12)))) [2018-11-18 12:01:58,394 INFO L425 ceAbstractionStarter]: For program point L434(lines 434 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,394 INFO L425 ceAbstractionStarter]: For program point L1491-1(line 1491) no Hoare annotation was computed. [2018-11-18 12:01:58,394 INFO L425 ceAbstractionStarter]: For program point L1227(lines 1227 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,394 INFO L425 ceAbstractionStarter]: For program point L567(lines 567 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,394 INFO L425 ceAbstractionStarter]: For program point L501(lines 501 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,394 INFO L425 ceAbstractionStarter]: For program point L303(lines 303 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,394 INFO L425 ceAbstractionStarter]: For program point L171-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,394 INFO L425 ceAbstractionStarter]: For program point L105-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,394 INFO L425 ceAbstractionStarter]: For program point L39-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,394 INFO L425 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-11-18 12:01:58,394 INFO L425 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-11-18 12:01:58,394 INFO L425 ceAbstractionStarter]: For program point L1097(lines 1097 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,394 INFO L425 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-11-18 12:01:58,394 INFO L425 ceAbstractionStarter]: For program point L1031(lines 1031 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,394 INFO L425 ceAbstractionStarter]: For program point L899(lines 899 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L1428(lines 1428 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L834(lines 834 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L636(lines 636 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L1297(lines 1297 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L240(lines 240 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L174-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L108-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L42-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L967(lines 967 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L769(lines 769 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L703(lines 703 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L373(lines 373 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L1364(lines 1364 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L1166(lines 1166 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,395 INFO L425 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L440(lines 440 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L573(lines 573 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L309(lines 309 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L1234(lines 1234 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L177-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L111-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L45-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L1036(lines 1036 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L706(lines 706 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L508(lines 508 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L1103(lines 1103 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-11-18 12:01:58,396 INFO L425 ceAbstractionStarter]: For program point L905(lines 905 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,397 INFO L425 ceAbstractionStarter]: For program point L641(lines 641 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,397 INFO L425 ceAbstractionStarter]: For program point L443(lines 443 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,397 INFO L425 ceAbstractionStarter]: For program point L1434(lines 1434 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,397 INFO L425 ceAbstractionStarter]: For program point L840(lines 840 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,397 INFO L425 ceAbstractionStarter]: For program point L1303(lines 1303 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,397 INFO L425 ceAbstractionStarter]: For program point L246(lines 246 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,397 INFO L425 ceAbstractionStarter]: For program point L180-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,397 INFO L425 ceAbstractionStarter]: For program point L114-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,397 INFO L425 ceAbstractionStarter]: For program point L48-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,397 INFO L425 ceAbstractionStarter]: For program point L775(lines 775 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,397 INFO L425 ceAbstractionStarter]: For program point L1370(lines 1370 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,397 INFO L425 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-11-18 12:01:58,397 INFO L425 ceAbstractionStarter]: For program point L1172(lines 1172 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,397 INFO L425 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-11-18 12:01:58,397 INFO L425 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point L974(lines 974 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point L578(lines 578 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point L380(lines 380 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point L315(lines 315 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point L183-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point L117-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point L51-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point L1042(lines 1042 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point L778(lines 778 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point L712(lines 712 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point L1241(lines 1241 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point L1175(lines 1175 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-11-18 12:01:58,398 INFO L425 ceAbstractionStarter]: For program point L1109(lines 1109 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 121) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point L515(lines 515 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point L449(lines 449 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point L1440(lines 1440 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point L912(lines 912 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point L846(lines 846 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point L648(lines 648 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point L1375(lines 1375 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point L1309(lines 1309 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point L252(lines 252 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point L186-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point L120-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point L54-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point L979(lines 979 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,399 INFO L425 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L584(lines 584 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L386(lines 386 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L717(lines 717 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L321(lines 321 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L189-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L123-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L1114(lines 1114 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L57-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L1048(lines 1048 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L784(lines 784 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L454(lines 454 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L1247(lines 1247 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-11-18 12:01:58,400 INFO L425 ceAbstractionStarter]: For program point L1181(lines 1181 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,401 INFO L425 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-11-18 12:01:58,401 INFO L425 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-11-18 12:01:58,401 INFO L425 ceAbstractionStarter]: For program point L917(lines 917 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,401 INFO L425 ceAbstractionStarter]: For program point L851(lines 851 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,401 INFO L425 ceAbstractionStarter]: For program point L521(lines 521 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,401 INFO L425 ceAbstractionStarter]: For program point L1446(lines 1446 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,401 INFO L425 ceAbstractionStarter]: For program point L1314(lines 1314 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,401 INFO L425 ceAbstractionStarter]: For program point L257(lines 257 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,401 INFO L421 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 23 1492) the Hoare annotation is: (let ((.cse10 (<= ~a18~0 |old(~a18~0)|)) (.cse11 (= |old(~a15~0)| ~a15~0)) (.cse12 (= |old(~a12~0)| ~a12~0))) (let ((.cse0 (and (= |old(~a16~0)| ~a16~0) .cse10 .cse11 .cse12)) (.cse7 (< 7 |old(~a12~0)|)) (.cse4 (not (= 11 |old(~a16~0)|))) (.cse5 (= |calculate_output_#in~input| 0)) (.cse2 (not (= (+ |old(~a18~0)| 87) 0))) (.cse3 (= (+ ~a18~0 87) 0)) (.cse1 (not (= 3 |old(~a15~0)|))) (.cse8 (not (= 5 |old(~a12~0)|))) (.cse9 (and (<= |old(~a18~0)| 134) (< 0 (+ |old(~a18~0)| 79)))) (.cse6 (and .cse10 .cse11 (= ~a16~0 |old(~a16~0)|) .cse12))) (and (or (= 4 |old(~a15~0)|) .cse0 (not (= 8 |old(~a12~0)|))) (or (or .cse1 (not (= 6 |old(~a12~0)|))) .cse2 .cse3 .cse4 .cse5) (or .cse6 .cse7 (< |old(~a15~0)| 4)) (or (< |old(~a12~0)| 7) .cse0 (= 10 |old(~a16~0)|)) (or (= 9 |old(~a16~0)|) .cse0 .cse7) (or .cse1 .cse8 .cse9 (or (<= (+ ~a18~0 79) 0) (< 134 ~a18~0))) (or .cse1 .cse8 .cse4 .cse5 .cse2 .cse3) (or .cse1 .cse8 .cse9 .cse6)))) [2018-11-18 12:01:58,401 INFO L425 ceAbstractionStarter]: For program point L1381(lines 1381 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,401 INFO L425 ceAbstractionStarter]: For program point L192-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,401 INFO L425 ceAbstractionStarter]: For program point L126-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L60-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L655(lines 655 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L589(lines 589 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L457(lines 457 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L391(lines 391 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L1250(lines 1250 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L986(lines 986 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L1449(lines 1449 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L789(lines 789 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L723(lines 723 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L327(lines 327 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L195-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L129-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,402 INFO L425 ceAbstractionStarter]: For program point L1120(lines 1120 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L63-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L922(lines 922 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L262(lines 262 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L1187(lines 1187 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L1055(lines 1055 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L857(lines 857 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L527(lines 527 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L1386(lines 1386 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L594(lines 594 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L1321(lines 1321 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L198-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L132-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,403 INFO L425 ceAbstractionStarter]: For program point L66-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L661(lines 661 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L463(lines 463 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L1256(lines 1256 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L728(lines 728 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L398(lines 398 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L1125(lines 1125 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L993(lines 993 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L1456(lines 1456 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L333(lines 333 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L201-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L135-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L69-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L796(lines 796 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,404 INFO L425 ceAbstractionStarter]: For program point L664(lines 664 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,405 INFO L425 ceAbstractionStarter]: For program point L268(lines 268 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,405 INFO L425 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-11-18 12:01:58,405 INFO L425 ceAbstractionStarter]: For program point L1193(lines 1193 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,405 INFO L425 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-11-18 12:01:58,405 INFO L425 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-11-18 12:01:58,405 INFO L425 ceAbstractionStarter]: For program point L1061(lines 1061 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,405 INFO L425 ceAbstractionStarter]: For program point L929(lines 929 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,405 INFO L425 ceAbstractionStarter]: For program point L863(lines 863 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,405 INFO L425 ceAbstractionStarter]: For program point L533(lines 533 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,405 INFO L425 ceAbstractionStarter]: For program point L1392(lines 1392 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,405 INFO L425 ceAbstractionStarter]: For program point L600(lines 600 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,405 INFO L425 ceAbstractionStarter]: For program point L1327(lines 1327 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,405 INFO L425 ceAbstractionStarter]: For program point L204-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,405 INFO L425 ceAbstractionStarter]: For program point L138-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,405 INFO L425 ceAbstractionStarter]: For program point L72-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L469(lines 469 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L1262(lines 1262 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L205(line 205) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L734(lines 734 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L1461(lines 1461 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L404(lines 404 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L338(lines 338 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L1131(lines 1131 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L999(lines 999 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L141-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L75-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L802(lines 802 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L670(lines 670 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,406 INFO L425 ceAbstractionStarter]: For program point L538(lines 538 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L1397(lines 1397 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L274(lines 274 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L1067(lines 1067 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L935(lines 935 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L869(lines 869 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L1200(lines 1200 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L606(lines 606 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L1267(lines 1267 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L144-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L78-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L1466(lines 1466 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L1334(lines 1334 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-11-18 12:01:58,407 INFO L425 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L476(lines 476 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L1137(lines 1137 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L1005(lines 1005 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L741(lines 741 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L543(lines 543 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L411(lines 411 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L345(lines 345 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L279(lines 279 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L213(lines 213 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L147-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L81-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L808(lines 808 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L1403(lines 1403 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L1205(lines 1205 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-11-18 12:01:58,408 INFO L425 ceAbstractionStarter]: For program point L1073(lines 1073 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point L875(lines 875 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point L677(lines 677 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point L942(lines 942 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point L612(lines 612 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point L150-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point L84-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point L1472(lines 1472 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point L1274(lines 1274 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point L746(lines 746 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point L680(lines 680 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point L548(lines 548 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point L350(lines 350 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,409 INFO L425 ceAbstractionStarter]: For program point L1341(lines 1341 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L218(lines 218 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L1143(lines 1143 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L1011(lines 1011 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L483(lines 483 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L417(lines 417 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L285(lines 285 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L153-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L87-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L1409(lines 1409 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L1211(lines 1211 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L1079(lines 1079 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L815(lines 815 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L948(lines 948 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L882(lines 882 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,410 INFO L425 ceAbstractionStarter]: For program point L618(lines 618 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L1477(lines 1477 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L156-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L90-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L24(lines 24 26) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L24-2(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L1280(lines 1280 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L223(lines 223 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L1214(lines 1214 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L752(lines 752 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L686(lines 686 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L554(lines 554 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L356(lines 356 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L1347(lines 1347 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,411 INFO L425 ceAbstractionStarter]: For program point L290(lines 290 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L1149(lines 1149 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L489(lines 489 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L159-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L93-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L27-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L1018(lines 1018 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L424(lines 424 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L1415(lines 1415 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L1086(lines 1086 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L954(lines 954 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L888(lines 888 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L822(lines 822 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,412 INFO L425 ceAbstractionStarter]: For program point L624(lines 624 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L162-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L96-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L30-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L691(lines 691 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L1484(lines 1484 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L427(lines 427 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L361(lines 361 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L1286(lines 1286 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L229(lines 229 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L1220(lines 1220 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L758(lines 758 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L560(lines 560 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L1353(lines 1353 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,413 INFO L425 ceAbstractionStarter]: For program point L1155(lines 1155 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,414 INFO L425 ceAbstractionStarter]: For program point L495(lines 495 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,414 INFO L425 ceAbstractionStarter]: For program point L297(lines 297 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,414 INFO L425 ceAbstractionStarter]: For program point L165-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,414 INFO L425 ceAbstractionStarter]: For program point L99-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,414 INFO L425 ceAbstractionStarter]: For program point L33-1(lines 23 1492) no Hoare annotation was computed. [2018-11-18 12:01:58,414 INFO L425 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-11-18 12:01:58,414 INFO L425 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-11-18 12:01:58,414 INFO L425 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-11-18 12:01:58,414 INFO L425 ceAbstractionStarter]: For program point L1025(lines 1025 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,414 INFO L425 ceAbstractionStarter]: For program point L1422(lines 1422 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,414 INFO L425 ceAbstractionStarter]: For program point L1092(lines 1092 1490) no Hoare annotation was computed. [2018-11-18 12:01:58,414 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 12:01:58,414 INFO L421 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a16~0 11) (= 3 ~a15~0) (= ~a12~0 5) (= (+ ~a18~0 87) 0)) [2018-11-18 12:01:58,414 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 12:01:58,414 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 12:01:58,415 INFO L421 ceAbstractionStarter]: At program point mainENTRY(lines 1767 1783) the Hoare annotation is: (or (and (= (+ ~a18~0 87) 0) (= ~a16~0 |old(~a16~0)|) (= 3 ~a15~0) (= |old(~a12~0)| ~a12~0)) (not (= 3 |old(~a15~0)|)) (not (= 5 |old(~a12~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (not (= 11 |old(~a16~0)|))) [2018-11-18 12:01:58,415 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 12:01:58,415 INFO L421 ceAbstractionStarter]: At program point L1781(line 1781) the Hoare annotation is: (let ((.cse3 (not (= ~a15~0 4))) (.cse0 (not (= ~a16~0 9))) (.cse2 (not (= ~a16~0 10))) (.cse1 (or (= |old(~a16~0)| 12) (not (= 12 ~a16~0))))) (or (and (= ~a15~0 3) (= 5 ~a12~0) (or (<= (+ ~a18~0 79) 0) (< 134 ~a18~0))) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and .cse0 .cse1 (<= ~a12~0 7)) (not (= 3 |old(~a15~0)|)) (and .cse2 (<= 4 ~a15~0) .cse1) (and (= 8 ~a12~0) .cse3) (and .cse2 .cse3 .cse0) (not (= 5 |old(~a12~0)|)) (and (<= 7 ~a12~0) .cse2 .cse1))) [2018-11-18 12:01:58,415 INFO L425 ceAbstractionStarter]: For program point L1781-1(line 1781) no Hoare annotation was computed. [2018-11-18 12:01:58,415 INFO L425 ceAbstractionStarter]: For program point L1778(line 1778) no Hoare annotation was computed. [2018-11-18 12:01:58,415 INFO L425 ceAbstractionStarter]: For program point L1773-1(lines 1773 1782) no Hoare annotation was computed. [2018-11-18 12:01:58,415 INFO L421 ceAbstractionStarter]: At program point L1773-3(lines 1773 1782) the Hoare annotation is: (let ((.cse3 (not (= ~a15~0 4))) (.cse0 (not (= ~a16~0 9))) (.cse2 (not (= ~a16~0 10))) (.cse1 (or (= |old(~a16~0)| 12) (not (= 12 ~a16~0))))) (or (and (= ~a15~0 3) (= 5 ~a12~0) (or (<= (+ ~a18~0 79) 0) (< 134 ~a18~0))) (not (= 11 |old(~a16~0)|)) (not (= (+ |old(~a18~0)| 87) 0)) (and .cse0 .cse1 (<= ~a12~0 7)) (not (= 3 |old(~a15~0)|)) (and .cse2 (<= 4 ~a15~0) .cse1) (and (= 8 ~a12~0) .cse3) (and .cse2 .cse3 .cse0) (not (= 5 |old(~a12~0)|)) (and (<= 7 ~a12~0) .cse2 .cse1))) [2018-11-18 12:01:58,415 INFO L425 ceAbstractionStarter]: For program point L1773-4(lines 1767 1783) no Hoare annotation was computed. [2018-11-18 12:01:58,428 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 12:01:58 BoogieIcfgContainer [2018-11-18 12:01:58,428 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 12:01:58,429 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 12:01:58,429 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 12:01:58,429 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 12:01:58,429 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 11:57:44" (3/4) ... [2018-11-18 12:01:58,432 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 12:01:58,437 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 12:01:58,438 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output2 [2018-11-18 12:01:58,438 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-18 12:01:58,438 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 12:01:58,458 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-11-18 12:01:58,459 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-18 12:01:58,485 WARN L220 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((a15 == 3 && 5 == a12) && (a18 + 79 <= 0 || 134 < a18)) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || ((!(a16 == 9) && (\old(a16) == 12 || !(12 == a16))) && a12 <= 7)) || !(3 == \old(a15))) || ((!(a16 == 10) && 4 <= a15) && (\old(a16) == 12 || !(12 == a16)))) || (8 == a12 && !(a15 == 4))) || ((!(a16 == 10) && !(a15 == 4)) && !(a16 == 9))) || !(5 == \old(a12))) || ((7 <= a12 && !(a16 == 10)) && (\old(a16) == 12 || !(12 == a16))) [2018-11-18 12:01:58,628 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_862c7cee-c747-4e8b-81dd-a7f4d2775328/bin-2019/utaipan/witness.graphml [2018-11-18 12:01:58,628 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 12:01:58,629 INFO L168 Benchmark]: Toolchain (without parser) took 257419.13 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 941.9 MB in the beginning and 1.3 GB in the end (delta: -393.6 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2018-11-18 12:01:58,630 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 12:01:58,630 INFO L168 Benchmark]: CACSL2BoogieTranslator took 682.88 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 869.3 MB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:58,630 INFO L168 Benchmark]: Boogie Procedure Inliner took 110.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 869.3 MB in the beginning and 1.1 GB in the end (delta: -256.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:58,631 INFO L168 Benchmark]: Boogie Preprocessor took 89.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:58,631 INFO L168 Benchmark]: RCFGBuilder took 1937.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 868.2 MB in the end (delta: 246.6 MB). Peak memory consumption was 246.6 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:58,631 INFO L168 Benchmark]: TraceAbstraction took 254394.22 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 868.2 MB in the beginning and 1.4 GB in the end (delta: -561.3 MB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. [2018-11-18 12:01:58,631 INFO L168 Benchmark]: Witness Printer took 199.77 ms. Allocated memory is still 4.9 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 94.0 MB). Peak memory consumption was 94.0 MB. Max. memory is 11.5 GB. [2018-11-18 12:01:58,633 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 980.1 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 682.88 ms. Allocated memory is still 1.0 GB. Free memory was 941.9 MB in the beginning and 869.3 MB in the end (delta: 72.6 MB). Peak memory consumption was 72.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 110.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.8 MB). Free memory was 869.3 MB in the beginning and 1.1 GB in the end (delta: -256.8 MB). Peak memory consumption was 26.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 89.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 11.3 MB). Peak memory consumption was 11.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1937.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 868.2 MB in the end (delta: 246.6 MB). Peak memory consumption was 246.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 254394.22 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 868.2 MB in the beginning and 1.4 GB in the end (delta: -561.3 MB). Peak memory consumption was 3.1 GB. Max. memory is 11.5 GB. * Witness Printer took 199.77 ms. Allocated memory is still 4.9 GB. Free memory was 1.4 GB in the beginning and 1.3 GB in the end (delta: 94.0 MB). Peak memory consumption was 94.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 121]: 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: ((((((((((a15 == 3 && 5 == a12) && (a18 + 79 <= 0 || 134 < a18)) || !(11 == \old(a16))) || !(\old(a18) + 87 == 0)) || ((!(a16 == 9) && (\old(a16) == 12 || !(12 == a16))) && a12 <= 7)) || !(3 == \old(a15))) || ((!(a16 == 10) && 4 <= a15) && (\old(a16) == 12 || !(12 == a16)))) || (8 == a12 && !(a15 == 4))) || ((!(a16 == 10) && !(a15 == 4)) && !(a16 == 9))) || !(5 == \old(a12))) || ((7 <= a12 && !(a16 == 10)) && (\old(a16) == 12 || !(12 == a16))) - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 410 locations, 1 error locations. SAFE Result, 254.3s OverallTime, 12 OverallIterations, 9 TraceHistogramMax, 229.3s AutomataDifference, 0.0s DeadEndRemovalTime, 3.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 2272 SDtfs, 29268 SDslu, 3862 SDs, 0 SdLazy, 66550 SolverSat, 7019 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 209.3s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 13409 GetRequests, 13138 SyntacticMatches, 18 SemanticMatches, 253 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2738 ImplicationChecksByTransitivity, 3.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=16334occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 3.9s AbstIntTime, 9 AbstIntIterations, 3 AbstIntStrong, 0.9979207182588596 AbsIntWeakeningRatio, 0.06847360912981455 AbsIntAvgWeakeningVarsNumRemoved, 16.022824536376604 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 1.5s AutomataMinimizationTime, 12 MinimizatonAttempts, 1322 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 9 LocationsWithAnnotation, 1195 PreInvPairs, 2742 NumberOfFragments, 956 HoareAnnotationTreeSize, 1195 FomulaSimplifications, 52140 FormulaSimplificationTreeSizeReduction, 1.3s HoareSimplificationTime, 9 FomulaSimplificationsInter, 32307 FormulaSimplificationTreeSizeReductionInter, 2.5s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.3s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 7.8s InterpolantComputationTime, 13409 NumberOfCodeBlocks, 13409 NumberOfCodeBlocksAsserted, 18 NumberOfCheckSat, 19210 ConstructedInterpolants, 0 QuantifiedInterpolants, 48205331 SizeOfPredicates, 4 NumberOfNonLiveVariables, 7935 ConjunctsInSsa, 30 ConjunctsInUnsatCore, 24 InterpolantComputations, 5 PerfectInterpolantSequences, 39080/41777 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...