./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/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 f6b5db140f0af5d4dbaefce619ea0ad631629d04 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:03:39,820 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:03:39,821 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:03:39,827 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:03:39,827 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:03:39,828 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:03:39,829 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:03:39,830 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:03:39,831 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:03:39,832 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:03:39,833 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:03:39,833 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:03:39,834 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:03:39,834 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:03:39,835 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:03:39,835 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:03:39,836 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:03:39,836 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:03:39,837 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:03:39,838 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:03:39,839 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:03:39,840 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:03:39,842 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:03:39,842 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:03:39,842 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:03:39,843 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:03:39,843 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:03:39,844 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:03:39,845 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:03:39,845 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:03:39,845 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:03:39,846 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:03:39,846 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:03:39,846 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:03:39,847 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:03:39,847 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:03:39,847 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-11-23 06:03:39,854 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:03:39,854 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:03:39,855 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:03:39,855 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-23 06:03:39,855 INFO L133 SettingsManager]: * User list type=DISABLED [2018-11-23 06:03:39,855 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-11-23 06:03:39,855 INFO L133 SettingsManager]: * Explicit value domain=true [2018-11-23 06:03:39,855 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-11-23 06:03:39,856 INFO L133 SettingsManager]: * Octagon Domain=false [2018-11-23 06:03:39,856 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-11-23 06:03:39,856 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-11-23 06:03:39,856 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-11-23 06:03:39,856 INFO L133 SettingsManager]: * Interval Domain=false [2018-11-23 06:03:39,857 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:03:39,857 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:03:39,857 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:03:39,857 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:03:39,857 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:03:39,857 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:03:39,857 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:03:39,857 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:03:39,858 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:03:39,858 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:03:39,858 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:03:39,858 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:03:39,858 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:03:39,858 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-23 06:03:39,858 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:03:39,859 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-23 06:03:39,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-23 06:03:39,859 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:03:39,859 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:03:39,859 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:03:39,859 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-11-23 06:03:39,859 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:03:39,859 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:03:39,860 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-11-23 06:03:39,860 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_48b6ea70-8c83-4a3b-917b-4836813d9c41/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 -> f6b5db140f0af5d4dbaefce619ea0ad631629d04 [2018-11-23 06:03:39,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:03:39,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:03:39,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:03:39,895 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:03:39,895 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:03:39,896 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c [2018-11-23 06:03:39,943 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/bin-2019/utaipan/data/51af07cbd/ac32e184e9bf4771b6a2f3bd250f5aa3/FLAGb5d5dcbd3 [2018-11-23 06:03:40,432 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:03:40,433 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/sv-benchmarks/c/eca-rers2012/Problem02_label35_true-unreach-call_false-termination.c [2018-11-23 06:03:40,443 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/bin-2019/utaipan/data/51af07cbd/ac32e184e9bf4771b6a2f3bd250f5aa3/FLAGb5d5dcbd3 [2018-11-23 06:03:40,916 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/bin-2019/utaipan/data/51af07cbd/ac32e184e9bf4771b6a2f3bd250f5aa3 [2018-11-23 06:03:40,918 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:03:40,919 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:03:40,920 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:03:40,920 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:03:40,923 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:03:40,923 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:03:40" (1/1) ... [2018-11-23 06:03:40,925 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6b9ee6b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:03:40, skipping insertion in model container [2018-11-23 06:03:40,925 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:03:40" (1/1) ... [2018-11-23 06:03:40,932 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:03:40,970 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:03:41,226 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:03:41,231 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:03:41,305 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:03:41,316 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:03:41,317 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:03:41 WrapperNode [2018-11-23 06:03:41,317 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:03:41,317 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:03:41,317 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:03:41,317 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:03:41,376 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:03:41" (1/1) ... [2018-11-23 06:03:41,390 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:03:41" (1/1) ... [2018-11-23 06:03:41,397 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:03:41,397 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:03:41,397 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:03:41,397 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:03:41,404 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:03:41" (1/1) ... [2018-11-23 06:03:41,404 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:03:41" (1/1) ... [2018-11-23 06:03:41,408 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:03:41" (1/1) ... [2018-11-23 06:03:41,408 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:03:41" (1/1) ... [2018-11-23 06:03:41,433 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:03:41" (1/1) ... [2018-11-23 06:03:41,444 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:03:41" (1/1) ... [2018-11-23 06:03:41,447 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:03:41" (1/1) ... [2018-11-23 06:03:41,452 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:03:41,452 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:03:41,452 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:03:41,452 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:03:41,454 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:03:41" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/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 [2018-11-23 06:03:41,492 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 06:03:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-23 06:03:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-23 06:03:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-23 06:03:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-23 06:03:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:03:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:03:41,493 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-23 06:03:41,493 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-23 06:03:42,316 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:03:42,316 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-23 06:03:42,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:03:42 BoogieIcfgContainer [2018-11-23 06:03:42,317 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:03:42,317 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-23 06:03:42,317 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-23 06:03:42,320 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-23 06:03:42,321 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.11 06:03:40" (1/3) ... [2018-11-23 06:03:42,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53294606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:03:42, skipping insertion in model container [2018-11-23 06:03:42,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:03:41" (2/3) ... [2018-11-23 06:03:42,322 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@53294606 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.11 06:03:42, skipping insertion in model container [2018-11-23 06:03:42,322 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:03:42" (3/3) ... [2018-11-23 06:03:42,324 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem02_label35_true-unreach-call_false-termination.c [2018-11-23 06:03:42,332 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-23 06:03:42,339 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-23 06:03:42,356 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-23 06:03:42,390 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-23 06:03:42,391 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-23 06:03:42,391 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-23 06:03:42,391 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-23 06:03:42,391 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-23 06:03:42,391 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-23 06:03:42,391 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-23 06:03:42,391 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-23 06:03:42,413 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states. [2018-11-23 06:03:42,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-23 06:03:42,424 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:03:42,424 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:03:42,426 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:03:42,430 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:42,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1838417414, now seen corresponding path program 1 times [2018-11-23 06:03:42,432 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:03:42,469 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:42,470 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:03:42,470 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:42,470 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:03:42,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:03:42,736 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:03:42,738 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:03:42,738 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:03:42,738 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:03:42,743 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:03:42,752 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:03:42,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:03:42,754 INFO L87 Difference]: Start difference. First operand 236 states. Second operand 3 states. [2018-11-23 06:03:43,447 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:03:43,447 INFO L93 Difference]: Finished difference Result 624 states and 1069 transitions. [2018-11-23 06:03:43,448 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:03:43,448 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 100 [2018-11-23 06:03:43,449 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:03:43,462 INFO L225 Difference]: With dead ends: 624 [2018-11-23 06:03:43,462 INFO L226 Difference]: Without dead ends: 386 [2018-11-23 06:03:43,465 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:03:43,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 386 states. [2018-11-23 06:03:43,513 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 386 to 381. [2018-11-23 06:03:43,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 381 states. [2018-11-23 06:03:43,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 617 transitions. [2018-11-23 06:03:43,518 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 617 transitions. Word has length 100 [2018-11-23 06:03:43,519 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:03:43,519 INFO L480 AbstractCegarLoop]: Abstraction has 381 states and 617 transitions. [2018-11-23 06:03:43,519 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:03:43,519 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 617 transitions. [2018-11-23 06:03:43,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-23 06:03:43,523 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:03:43,525 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:03:43,526 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:03:43,526 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:43,526 INFO L82 PathProgramCache]: Analyzing trace with hash 937720225, now seen corresponding path program 1 times [2018-11-23 06:03:43,526 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:03:43,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:43,527 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:03:43,527 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:43,527 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:03:43,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:03:43,636 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:03:43,637 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:03:43,637 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:03:43,637 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:03:43,638 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:03:43,639 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:03:43,639 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:03:43,639 INFO L87 Difference]: Start difference. First operand 381 states and 617 transitions. Second operand 3 states. [2018-11-23 06:03:44,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:03:44,050 INFO L93 Difference]: Finished difference Result 1047 states and 1762 transitions. [2018-11-23 06:03:44,050 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:03:44,050 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 108 [2018-11-23 06:03:44,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:03:44,054 INFO L225 Difference]: With dead ends: 1047 [2018-11-23 06:03:44,054 INFO L226 Difference]: Without dead ends: 672 [2018-11-23 06:03:44,057 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:03:44,058 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 672 states. [2018-11-23 06:03:44,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 672 to 672. [2018-11-23 06:03:44,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 672 states. [2018-11-23 06:03:44,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 672 states to 672 states and 1007 transitions. [2018-11-23 06:03:44,079 INFO L78 Accepts]: Start accepts. Automaton has 672 states and 1007 transitions. Word has length 108 [2018-11-23 06:03:44,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:03:44,079 INFO L480 AbstractCegarLoop]: Abstraction has 672 states and 1007 transitions. [2018-11-23 06:03:44,080 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:03:44,080 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 1007 transitions. [2018-11-23 06:03:44,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-23 06:03:44,083 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:03:44,083 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-11-23 06:03:44,084 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:03:44,084 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:44,084 INFO L82 PathProgramCache]: Analyzing trace with hash 1220059375, now seen corresponding path program 1 times [2018-11-23 06:03:44,084 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:03:44,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:44,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:03:44,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:44,085 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:03:44,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:03:44,161 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:03:44,162 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-23 06:03:44,162 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-23 06:03:44,162 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:03:44,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-23 06:03:44,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-23 06:03:44,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:03:44,163 INFO L87 Difference]: Start difference. First operand 672 states and 1007 transitions. Second operand 3 states. [2018-11-23 06:03:44,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:03:44,624 INFO L93 Difference]: Finished difference Result 1914 states and 2967 transitions. [2018-11-23 06:03:44,624 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-23 06:03:44,624 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 113 [2018-11-23 06:03:44,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:03:44,629 INFO L225 Difference]: With dead ends: 1914 [2018-11-23 06:03:44,630 INFO L226 Difference]: Without dead ends: 1248 [2018-11-23 06:03:44,632 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-23 06:03:44,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1248 states. [2018-11-23 06:03:44,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1248 to 1248. [2018-11-23 06:03:44,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1248 states. [2018-11-23 06:03:44,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1248 states to 1248 states and 1820 transitions. [2018-11-23 06:03:44,662 INFO L78 Accepts]: Start accepts. Automaton has 1248 states and 1820 transitions. Word has length 113 [2018-11-23 06:03:44,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:03:44,662 INFO L480 AbstractCegarLoop]: Abstraction has 1248 states and 1820 transitions. [2018-11-23 06:03:44,662 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-23 06:03:44,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1820 transitions. [2018-11-23 06:03:44,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-23 06:03:44,666 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:03:44,666 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-11-23 06:03:44,666 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:03:44,667 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:44,667 INFO L82 PathProgramCache]: Analyzing trace with hash -1877121071, now seen corresponding path program 1 times [2018-11-23 06:03:44,667 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:03:44,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:44,668 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:03:44,668 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:44,668 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:03:44,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:03:44,764 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 15 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-23 06:03:44,765 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:03:44,765 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:03:44,765 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 145 with the following transitions: [2018-11-23 06:03:44,767 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [56], [59], [63], [64], [68], [72], [76], [79], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:03:44,804 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:03:44,804 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:03:45,171 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:03:45,173 INFO L272 AbstractInterpreter]: Visited 101 different actions 101 times. Never merged. Never widened. Performed 1158 root evaluator evaluations with a maximum evaluation depth of 3. Performed 1158 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Never found a fixpoint. Largest state had 38 variables. [2018-11-23 06:03:45,178 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:45,179 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:03:45,444 INFO L227 lantSequenceWeakener]: Weakened 133 states. On average, predicates are now at 80.6% of their original sizes. [2018-11-23 06:03:45,444 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:03:45,484 INFO L415 sIntCurrentIteration]: We unified 143 AI predicates to 143 [2018-11-23 06:03:45,484 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:03:45,485 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:03:45,485 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 10 [2018-11-23 06:03:45,485 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:03:45,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-11-23 06:03:45,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-11-23 06:03:45,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-11-23 06:03:45,486 INFO L87 Difference]: Start difference. First operand 1248 states and 1820 transitions. Second operand 6 states. [2018-11-23 06:03:46,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:03:46,925 INFO L93 Difference]: Finished difference Result 2638 states and 3854 transitions. [2018-11-23 06:03:46,925 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-23 06:03:46,925 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 144 [2018-11-23 06:03:46,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:03:46,931 INFO L225 Difference]: With dead ends: 2638 [2018-11-23 06:03:46,931 INFO L226 Difference]: Without dead ends: 1396 [2018-11-23 06:03:46,934 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 144 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-11-23 06:03:46,935 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1396 states. [2018-11-23 06:03:46,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1396 to 1394. [2018-11-23 06:03:46,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1394 states. [2018-11-23 06:03:46,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1394 states and 1980 transitions. [2018-11-23 06:03:46,963 INFO L78 Accepts]: Start accepts. Automaton has 1394 states and 1980 transitions. Word has length 144 [2018-11-23 06:03:46,964 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:03:46,964 INFO L480 AbstractCegarLoop]: Abstraction has 1394 states and 1980 transitions. [2018-11-23 06:03:46,964 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-11-23 06:03:46,964 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1980 transitions. [2018-11-23 06:03:46,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-23 06:03:46,968 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:03:46,969 INFO L402 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:03:46,969 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:03:46,969 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:46,969 INFO L82 PathProgramCache]: Analyzing trace with hash 1338575403, now seen corresponding path program 1 times [2018-11-23 06:03:46,969 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:03:46,970 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:46,970 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:03:46,971 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:46,971 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:03:46,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:03:47,130 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 44 proven. 12 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:03:47,130 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:03:47,130 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:03:47,131 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 150 with the following transitions: [2018-11-23 06:03:47,131 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:03:47,135 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:03:47,135 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:03:47,438 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:03:47,438 INFO L272 AbstractInterpreter]: Visited 104 different actions 304 times. Merged at 6 different actions 12 times. Never widened. Performed 3649 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3649 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 3 fixpoints after 2 different actions. Largest state had 38 variables. [2018-11-23 06:03:47,449 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:47,449 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:03:47,672 INFO L227 lantSequenceWeakener]: Weakened 146 states. On average, predicates are now at 84.05% of their original sizes. [2018-11-23 06:03:47,672 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:03:47,732 INFO L415 sIntCurrentIteration]: We unified 148 AI predicates to 148 [2018-11-23 06:03:47,733 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:03:47,733 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:03:47,733 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [10] total 18 [2018-11-23 06:03:47,733 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:03:47,734 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-11-23 06:03:47,734 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-11-23 06:03:47,734 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:03:47,734 INFO L87 Difference]: Start difference. First operand 1394 states and 1980 transitions. Second operand 10 states. [2018-11-23 06:03:53,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:03:53,044 INFO L93 Difference]: Finished difference Result 3395 states and 5021 transitions. [2018-11-23 06:03:53,044 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 06:03:53,044 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 149 [2018-11-23 06:03:53,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:03:53,050 INFO L225 Difference]: With dead ends: 3395 [2018-11-23 06:03:53,050 INFO L226 Difference]: Without dead ends: 2007 [2018-11-23 06:03:53,054 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 159 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 62 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-11-23 06:03:53,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2007 states. [2018-11-23 06:03:53,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2007 to 1992. [2018-11-23 06:03:53,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1992 states. [2018-11-23 06:03:53,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1992 states to 1992 states and 2766 transitions. [2018-11-23 06:03:53,092 INFO L78 Accepts]: Start accepts. Automaton has 1992 states and 2766 transitions. Word has length 149 [2018-11-23 06:03:53,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:03:53,092 INFO L480 AbstractCegarLoop]: Abstraction has 1992 states and 2766 transitions. [2018-11-23 06:03:53,092 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-11-23 06:03:53,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2766 transitions. [2018-11-23 06:03:53,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-23 06:03:53,097 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:03:53,097 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:03:53,098 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:03:53,098 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:53,098 INFO L82 PathProgramCache]: Analyzing trace with hash 180265691, now seen corresponding path program 1 times [2018-11-23 06:03:53,098 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:03:53,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:53,099 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:03:53,099 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:53,099 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:03:53,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:03:53,271 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 65 proven. 25 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-23 06:03:53,272 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:03:53,272 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:03:53,272 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 169 with the following transitions: [2018-11-23 06:03:53,273 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [5], [6], [9], [10], [14], [18], [22], [26], [30], [33], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [131], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:03:53,276 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:03:53,276 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:03:53,633 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-11-23 06:03:53,633 INFO L272 AbstractInterpreter]: Visited 106 different actions 422 times. Merged at 7 different actions 28 times. Widened at 1 different actions 1 times. Performed 5174 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5174 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 06:03:53,641 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:53,641 INFO L398 sIntCurrentIteration]: Generating AbsInt predicates [2018-11-23 06:03:53,860 INFO L227 lantSequenceWeakener]: Weakened 165 states. On average, predicates are now at 86.44% of their original sizes. [2018-11-23 06:03:53,860 INFO L413 sIntCurrentIteration]: Unifying AI predicates [2018-11-23 06:03:53,925 INFO L415 sIntCurrentIteration]: We unified 167 AI predicates to 167 [2018-11-23 06:03:53,925 INFO L424 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-11-23 06:03:53,925 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-23 06:03:53,925 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [9] total 16 [2018-11-23 06:03:53,925 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-11-23 06:03:53,926 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:03:53,926 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:03:53,926 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2018-11-23 06:03:53,926 INFO L87 Difference]: Start difference. First operand 1992 states and 2766 transitions. Second operand 9 states. [2018-11-23 06:03:57,717 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:03:57,717 INFO L93 Difference]: Finished difference Result 5535 states and 7931 transitions. [2018-11-23 06:03:57,717 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-11-23 06:03:57,718 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 168 [2018-11-23 06:03:57,718 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:03:57,729 INFO L225 Difference]: With dead ends: 5535 [2018-11-23 06:03:57,729 INFO L226 Difference]: Without dead ends: 2670 [2018-11-23 06:03:57,739 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 175 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=204, Unknown=0, NotChecked=0, Total=272 [2018-11-23 06:03:57,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2670 states. [2018-11-23 06:03:57,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2670 to 2630. [2018-11-23 06:03:57,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2630 states. [2018-11-23 06:03:57,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2630 states to 2630 states and 3416 transitions. [2018-11-23 06:03:57,805 INFO L78 Accepts]: Start accepts. Automaton has 2630 states and 3416 transitions. Word has length 168 [2018-11-23 06:03:57,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:03:57,805 INFO L480 AbstractCegarLoop]: Abstraction has 2630 states and 3416 transitions. [2018-11-23 06:03:57,805 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:03:57,806 INFO L276 IsEmpty]: Start isEmpty. Operand 2630 states and 3416 transitions. [2018-11-23 06:03:57,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-11-23 06:03:57,814 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:03:57,815 INFO L402 BasicCegarLoop]: trace histogram [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, 2, 2, 2, 2, 2, 2, 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] [2018-11-23 06:03:57,815 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:03:57,815 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:57,815 INFO L82 PathProgramCache]: Analyzing trace with hash -997526128, now seen corresponding path program 1 times [2018-11-23 06:03:57,815 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:03:57,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:57,816 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:03:57,816 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:57,816 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:03:57,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:03:57,926 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 111 proven. 35 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 06:03:57,926 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:03:57,926 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:03:57,926 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 212 with the following transitions: [2018-11-23 06:03:57,927 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [9], [10], [14], [18], [22], [26], [30], [34], [38], [42], [53], [64], [68], [72], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [127], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [275], [278], [282], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:03:57,930 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:03:57,930 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:03:58,164 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:03:58,165 INFO L272 AbstractInterpreter]: Visited 108 different actions 421 times. Merged at 7 different actions 26 times. Never widened. Performed 5229 root evaluator evaluations with a maximum evaluation depth of 3. Performed 5229 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 6 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 06:03:58,173 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:58,174 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:03:58,174 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:03:58,174 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/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 [2018-11-23 06:03:58,182 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:03:58,182 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:03:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:03:58,267 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:03:58,341 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 88 proven. 2 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-11-23 06:03:58,341 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:03:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 111 proven. 35 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-23 06:03:58,442 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:03:58,442 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-11-23 06:03:58,442 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:03:58,443 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-11-23 06:03:58,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-11-23 06:03:58,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2018-11-23 06:03:58,443 INFO L87 Difference]: Start difference. First operand 2630 states and 3416 transitions. Second operand 9 states. [2018-11-23 06:03:59,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:03:59,414 INFO L93 Difference]: Finished difference Result 6753 states and 8898 transitions. [2018-11-23 06:03:59,415 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-11-23 06:03:59,415 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 211 [2018-11-23 06:03:59,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:03:59,432 INFO L225 Difference]: With dead ends: 6753 [2018-11-23 06:03:59,432 INFO L226 Difference]: Without dead ends: 4129 [2018-11-23 06:03:59,441 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 435 GetRequests, 421 SyntacticMatches, 2 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=119, Unknown=0, NotChecked=0, Total=182 [2018-11-23 06:03:59,446 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4129 states. [2018-11-23 06:03:59,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4129 to 4089. [2018-11-23 06:03:59,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4089 states. [2018-11-23 06:03:59,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4089 states to 4089 states and 5241 transitions. [2018-11-23 06:03:59,620 INFO L78 Accepts]: Start accepts. Automaton has 4089 states and 5241 transitions. Word has length 211 [2018-11-23 06:03:59,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:03:59,621 INFO L480 AbstractCegarLoop]: Abstraction has 4089 states and 5241 transitions. [2018-11-23 06:03:59,621 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-11-23 06:03:59,621 INFO L276 IsEmpty]: Start isEmpty. Operand 4089 states and 5241 transitions. [2018-11-23 06:03:59,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-11-23 06:03:59,632 INFO L394 BasicCegarLoop]: Found error trace [2018-11-23 06:03:59,633 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-23 06:03:59,633 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-23 06:03:59,633 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:03:59,633 INFO L82 PathProgramCache]: Analyzing trace with hash -1583739843, now seen corresponding path program 1 times [2018-11-23 06:03:59,633 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-11-23 06:03:59,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:59,634 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:03:59,634 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-23 06:03:59,635 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-11-23 06:03:59,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:03:59,766 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 116 proven. 34 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-23 06:03:59,766 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:03:59,767 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-11-23 06:03:59,767 INFO L200 CegarAbsIntRunner]: Running AI on error trace of length 213 with the following transitions: [2018-11-23 06:03:59,767 INFO L202 CegarAbsIntRunner]: [0], [1], [2], [6], [10], [13], [14], [18], [22], [25], [26], [30], [34], [38], [42], [53], [64], [68], [72], [75], [76], [80], [84], [88], [92], [96], [100], [104], [108], [112], [116], [120], [124], [128], [132], [136], [140], [144], [148], [152], [156], [160], [171], [175], [179], [183], [187], [191], [195], [199], [210], [214], [218], [222], [233], [237], [241], [245], [249], [253], [257], [268], [272], [275], [278], [282], [283], [287], [298], [309], [313], [317], [321], [325], [329], [333], [344], [348], [352], [356], [360], [364], [368], [372], [379], [387], [395], [403], [411], [419], [427], [435], [443], [451], [459], [467], [475], [479], [481], [863], [867], [876], [880], [882], [887], [888], [889], [891], [892] [2018-11-23 06:03:59,770 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-11-23 06:03:59,770 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-11-23 06:04:00,034 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-11-23 06:04:00,035 INFO L272 AbstractInterpreter]: Visited 109 different actions 323 times. Merged at 8 different actions 22 times. Never widened. Performed 3991 root evaluator evaluations with a maximum evaluation depth of 3. Performed 3991 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 5 fixpoints after 3 different actions. Largest state had 38 variables. [2018-11-23 06:04:00,037 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:04:00,037 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-11-23 06:04:00,037 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-23 06:04:00,037 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/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 [2018-11-23 06:04:00,046 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-23 06:04:00,046 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-11-23 06:04:00,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:04:00,110 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-23 06:04:00,176 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 101 proven. 2 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-11-23 06:04:00,176 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-11-23 06:04:00,243 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 127 proven. 10 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-11-23 06:04:00,260 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-11-23 06:04:00,260 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 5, 5] total 14 [2018-11-23 06:04:00,261 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-11-23 06:04:00,261 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2018-11-23 06:04:00,261 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2018-11-23 06:04:00,262 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2018-11-23 06:04:00,262 INFO L87 Difference]: Start difference. First operand 4089 states and 5241 transitions. Second operand 11 states. [2018-11-23 06:04:02,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-23 06:04:02,012 INFO L93 Difference]: Finished difference Result 6323 states and 7953 transitions. [2018-11-23 06:04:02,012 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2018-11-23 06:04:02,012 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 212 [2018-11-23 06:04:02,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-23 06:04:02,013 INFO L225 Difference]: With dead ends: 6323 [2018-11-23 06:04:02,013 INFO L226 Difference]: Without dead ends: 0 [2018-11-23 06:04:02,023 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 463 GetRequests, 432 SyntacticMatches, 3 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=202, Invalid=668, Unknown=0, NotChecked=0, Total=870 [2018-11-23 06:04:02,023 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-23 06:04:02,023 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-23 06:04:02,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-23 06:04:02,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-23 06:04:02,024 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 212 [2018-11-23 06:04:02,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-23 06:04:02,024 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-23 06:04:02,024 INFO L481 AbstractCegarLoop]: Interpolant automaton has 11 states. [2018-11-23 06:04:02,024 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-23 06:04:02,024 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:04:02,030 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-23 06:04:02,090 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:04:02,099 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-23 06:04:02,645 WARN L180 SmtUtils]: Spent 450.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 80 [2018-11-23 06:04:02,799 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 53 [2018-11-23 06:04:02,979 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 71 DAG size of output: 49 [2018-11-23 06:04:02,981 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:04:02,981 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a17~0 |old(~a17~0)|) (= |old(~a28~0)| ~a28~0) (= |old(~a19~0)| ~a19~0)) [2018-11-23 06:04:02,981 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:04:02,981 INFO L448 ceAbstractionStarter]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,981 INFO L448 ceAbstractionStarter]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,981 INFO L448 ceAbstractionStarter]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,981 INFO L448 ceAbstractionStarter]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,981 INFO L448 ceAbstractionStarter]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,981 INFO L448 ceAbstractionStarter]: For program point L234(lines 234 413) no Hoare annotation was computed. [2018-11-23 06:04:02,981 INFO L448 ceAbstractionStarter]: For program point L69(lines 69 413) no Hoare annotation was computed. [2018-11-23 06:04:02,981 INFO L448 ceAbstractionStarter]: For program point L565(line 565) no Hoare annotation was computed. [2018-11-23 06:04:02,981 INFO L448 ceAbstractionStarter]: For program point L532(line 532) no Hoare annotation was computed. [2018-11-23 06:04:02,981 INFO L448 ceAbstractionStarter]: For program point L499(line 499) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L466(line 466) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L433(line 433) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L202(lines 202 413) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L169(lines 169 413) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L368(lines 368 413) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 210) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L38(lines 38 413) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 413) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L237(lines 237 413) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L568(line 568) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L535(line 535) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L502(line 502) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L469(line 469) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L436(line 436) no Hoare annotation was computed. [2018-11-23 06:04:02,982 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 413) no Hoare annotation was computed. [2018-11-23 06:04:02,983 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 246) no Hoare annotation was computed. [2018-11-23 06:04:02,983 INFO L448 ceAbstractionStarter]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2018-11-23 06:04:02,983 INFO L448 ceAbstractionStarter]: For program point L139(lines 139 413) no Hoare annotation was computed. [2018-11-23 06:04:02,983 INFO L448 ceAbstractionStarter]: For program point L106(lines 106 413) no Hoare annotation was computed. [2018-11-23 06:04:02,983 INFO L448 ceAbstractionStarter]: For program point L404(lines 404 413) no Hoare annotation was computed. [2018-11-23 06:04:02,983 INFO L448 ceAbstractionStarter]: For program point L338(lines 338 347) no Hoare annotation was computed. [2018-11-23 06:04:02,983 INFO L448 ceAbstractionStarter]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2018-11-23 06:04:02,983 INFO L448 ceAbstractionStarter]: For program point L74(lines 74 413) no Hoare annotation was computed. [2018-11-23 06:04:02,983 INFO L448 ceAbstractionStarter]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,983 INFO L448 ceAbstractionStarter]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,983 INFO L448 ceAbstractionStarter]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,983 INFO L448 ceAbstractionStarter]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,983 INFO L448 ceAbstractionStarter]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,984 INFO L448 ceAbstractionStarter]: For program point L75(lines 75 80) no Hoare annotation was computed. [2018-11-23 06:04:02,984 INFO L448 ceAbstractionStarter]: For program point L42(lines 42 413) no Hoare annotation was computed. [2018-11-23 06:04:02,984 INFO L448 ceAbstractionStarter]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2018-11-23 06:04:02,984 INFO L448 ceAbstractionStarter]: For program point L571(line 571) no Hoare annotation was computed. [2018-11-23 06:04:02,984 INFO L448 ceAbstractionStarter]: For program point L538(line 538) no Hoare annotation was computed. [2018-11-23 06:04:02,984 INFO L448 ceAbstractionStarter]: For program point L505(line 505) no Hoare annotation was computed. [2018-11-23 06:04:02,984 INFO L448 ceAbstractionStarter]: For program point L472(line 472) no Hoare annotation was computed. [2018-11-23 06:04:02,984 INFO L448 ceAbstractionStarter]: For program point L439(line 439) no Hoare annotation was computed. [2018-11-23 06:04:02,984 INFO L448 ceAbstractionStarter]: For program point L175(lines 175 413) no Hoare annotation was computed. [2018-11-23 06:04:02,984 INFO L448 ceAbstractionStarter]: For program point L407(lines 407 413) no Hoare annotation was computed. [2018-11-23 06:04:02,984 INFO L448 ceAbstractionStarter]: For program point L143(lines 143 413) no Hoare annotation was computed. [2018-11-23 06:04:02,984 INFO L448 ceAbstractionStarter]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,984 INFO L448 ceAbstractionStarter]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,985 INFO L448 ceAbstractionStarter]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,985 INFO L448 ceAbstractionStarter]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,985 INFO L448 ceAbstractionStarter]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,985 INFO L448 ceAbstractionStarter]: For program point L375(lines 375 413) no Hoare annotation was computed. [2018-11-23 06:04:02,985 INFO L448 ceAbstractionStarter]: For program point L309(lines 309 413) no Hoare annotation was computed. [2018-11-23 06:04:02,985 INFO L448 ceAbstractionStarter]: For program point L276(lines 276 413) no Hoare annotation was computed. [2018-11-23 06:04:02,985 INFO L448 ceAbstractionStarter]: For program point L574(line 574) no Hoare annotation was computed. [2018-11-23 06:04:02,985 INFO L448 ceAbstractionStarter]: For program point L541(line 541) no Hoare annotation was computed. [2018-11-23 06:04:02,985 INFO L448 ceAbstractionStarter]: For program point L508(line 508) no Hoare annotation was computed. [2018-11-23 06:04:02,985 INFO L448 ceAbstractionStarter]: For program point L475(line 475) no Hoare annotation was computed. [2018-11-23 06:04:02,985 INFO L448 ceAbstractionStarter]: For program point L442(line 442) no Hoare annotation was computed. [2018-11-23 06:04:02,985 INFO L448 ceAbstractionStarter]: For program point L409(lines 409 413) no Hoare annotation was computed. [2018-11-23 06:04:02,985 INFO L448 ceAbstractionStarter]: For program point L212(lines 212 413) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L179(lines 179 413) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L113(lines 113 413) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L47(lines 47 413) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 413) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L577(line 577) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L544(line 544) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L511(line 511) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L478(line 478) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L445(line 445) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 413) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 413) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L82(lines 82 413) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L380(lines 380 413) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L314(lines 314 413) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L248(lines 248 413) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L215(lines 215 413) no Hoare annotation was computed. [2018-11-23 06:04:02,986 INFO L448 ceAbstractionStarter]: For program point L83(lines 83 89) no Hoare annotation was computed. [2018-11-23 06:04:02,987 INFO L448 ceAbstractionStarter]: For program point L50(lines 50 413) no Hoare annotation was computed. [2018-11-23 06:04:02,987 INFO L448 ceAbstractionStarter]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2018-11-23 06:04:02,987 INFO L448 ceAbstractionStarter]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,987 INFO L448 ceAbstractionStarter]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,987 INFO L448 ceAbstractionStarter]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,987 INFO L448 ceAbstractionStarter]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,987 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 416) no Hoare annotation was computed. [2018-11-23 06:04:02,987 INFO L448 ceAbstractionStarter]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,987 INFO L448 ceAbstractionStarter]: For program point L381(lines 381 387) no Hoare annotation was computed. [2018-11-23 06:04:02,987 INFO L448 ceAbstractionStarter]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,987 INFO L448 ceAbstractionStarter]: For program point L315(lines 315 326) no Hoare annotation was computed. [2018-11-23 06:04:02,987 INFO L448 ceAbstractionStarter]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2018-11-23 06:04:02,987 INFO L448 ceAbstractionStarter]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2018-11-23 06:04:02,987 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 454) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L580(line 580) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L514(line 514) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L481(line 481) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L448(line 448) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L415(line 415) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L349(lines 349 413) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L283(lines 283 413) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 413) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L185(lines 185 413) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 413) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,988 INFO L448 ceAbstractionStarter]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 413) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L583(line 583) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L550(line 550) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L517(line 517) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L484(line 484) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L451(line 451) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L418(line 418) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 413) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L253(lines 253 413) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L187(lines 187 413) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L154(lines 154 413) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L354(lines 354 413) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 413) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L123(lines 123 413) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L586(line 586) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L553(line 553) no Hoare annotation was computed. [2018-11-23 06:04:02,989 INFO L448 ceAbstractionStarter]: For program point L520(line 520) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L487(line 487) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L454(line 454) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L421(line 421) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 413) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L91(lines 91 413) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L389(lines 389 413) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L191(lines 191 413) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L59(lines 59 413) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 29 598) the Hoare annotation is: (let ((.cse5 (= 1 |old(~a25~0)|)) (.cse12 (= 0 |old(~a28~0)|)) (.cse6 (not (= 1 ~a21~0))) (.cse7 (not (= 1 |old(~a19~0)|))) (.cse13 (not (= 0 |old(~a11~0)|))) (.cse14 (not (= 8 |old(~a17~0)|))) (.cse9 (= ~a11~0 0)) (.cse11 (= ~a17~0 8)) (.cse21 (= ~a25~0 1))) (let ((.cse16 (<= ~a17~0 |old(~a17~0)|)) (.cse4 (< 7 |old(~a17~0)|)) (.cse17 (= 1 ~a11~0)) (.cse3 (not (= 1 |old(~a11~0)|))) (.cse10 (= 1 ~a19~0)) (.cse0 (not .cse21)) (.cse1 (< 10 |old(~a28~0)|)) (.cse8 (= |old(~a28~0)| ~a28~0)) (.cse18 (= |old(~a19~0)| ~a19~0)) (.cse19 (or (and .cse9 .cse11 .cse21) (and .cse9 (= ~a25~0 0) .cse11 (= ~a19~0 1) (= ~a28~0 7)))) (.cse2 (< 0 |old(~a19~0)|)) (.cse15 (= |calculate_output_#in~input| 0)) (.cse20 (and (or .cse6 (not .cse5) .cse12 .cse13 .cse14) (or .cse6 (not (= 7 |old(~a28~0)|)) .cse7 .cse13 .cse14 (not (= 0 |old(~a25~0)|)))))) (and (or .cse0 .cse1 .cse2 .cse3 .cse4 .cse5) (or .cse1 .cse6 .cse7 (and .cse8 .cse9 .cse0 .cse10 .cse11) .cse12 .cse13 .cse14 .cse15 .cse5) (or .cse1 .cse7 (and .cse16 .cse8 .cse17 .cse10) .cse3 .cse4) (or .cse6 .cse7 .cse12 .cse10 .cse14 .cse15 .cse3) (or .cse6 .cse0 .cse12 .cse14 .cse15 .cse3 .cse5) (or .cse1 .cse0 .cse7 .cse3 .cse4 .cse5) (or (and .cse16 .cse8 .cse18 .cse17) .cse1 .cse2 .cse3 .cse4) (or .cse6 (and (not (= ~a28~0 0)) .cse17 .cse11) .cse12 .cse14 .cse15 .cse3) (or (and .cse8 .cse10 .cse19) .cse7 .cse15 .cse20) (or .cse1 .cse6 .cse12 .cse13 .cse14 .cse2 .cse15 (and .cse8 .cse18 .cse9 .cse0 .cse11) .cse5) (or .cse1 (and .cse8 .cse18 .cse19) .cse2 .cse15 .cse20)))) [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L291(lines 291 413) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L225(lines 225 413) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L159(lines 159 413) no Hoare annotation was computed. [2018-11-23 06:04:02,990 INFO L448 ceAbstractionStarter]: For program point L589(line 589) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L556(line 556) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L523(line 523) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L490(line 490) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L457(line 457) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L424(line 424) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L259(lines 259 413) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 413) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 413) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L95(lines 95 413) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 413) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L30(lines 30 413) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L592(line 592) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L559(line 559) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L526(line 526) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L493(line 493) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L460(line 460) no Hoare annotation was computed. [2018-11-23 06:04:02,991 INFO L448 ceAbstractionStarter]: For program point L427(line 427) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L394(lines 394 413) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 413) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L328(lines 328 413) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L262(lines 262 274) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L130(lines 130 413) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 413) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L297(lines 297 413) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L198(lines 198 413) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 413) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L99(lines 99 413) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L595(line 595) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L562(line 562) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L529(line 529) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L496(line 496) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L463(line 463) no Hoare annotation was computed. [2018-11-23 06:04:02,992 INFO L448 ceAbstractionStarter]: For program point L430(line 430) no Hoare annotation was computed. [2018-11-23 06:04:02,993 INFO L448 ceAbstractionStarter]: For program point L331(lines 331 413) no Hoare annotation was computed. [2018-11-23 06:04:02,993 INFO L448 ceAbstractionStarter]: For program point L298(lines 298 307) no Hoare annotation was computed. [2018-11-23 06:04:02,993 INFO L448 ceAbstractionStarter]: For program point L232(lines 232 413) no Hoare annotation was computed. [2018-11-23 06:04:02,993 INFO L448 ceAbstractionStarter]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2018-11-23 06:04:02,993 INFO L448 ceAbstractionStarter]: For program point L398(lines 398 413) no Hoare annotation was computed. [2018-11-23 06:04:02,993 INFO L448 ceAbstractionStarter]: For program point L332(lines 332 335) no Hoare annotation was computed. [2018-11-23 06:04:02,993 INFO L448 ceAbstractionStarter]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2018-11-23 06:04:02,993 INFO L448 ceAbstractionStarter]: For program point L134(lines 134 413) no Hoare annotation was computed. [2018-11-23 06:04:02,993 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 413) no Hoare annotation was computed. [2018-11-23 06:04:02,993 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-23 06:04:02,993 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7) (= ~a21~0 1)) [2018-11-23 06:04:02,993 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-23 06:04:02,993 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-23 06:04:02,993 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 600 617) the Hoare annotation is: (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (not (= 1 |old(~a19~0)|)) (not (= 0 |old(~a11~0)|)) (not (= 8 |old(~a17~0)|)) (and (= ~a11~0 0) (= ~a25~0 0) (= ~a17~0 8) (= ~a19~0 1) (= ~a28~0 7)) (not (= 0 |old(~a25~0)|))) [2018-11-23 06:04:02,993 INFO L444 ceAbstractionStarter]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse1 (<= ~a19~0 0)) (.cse6 (<= ~a17~0 7)) (.cse5 (= 1 ~a11~0)) (.cse0 (= ~a11~0 0)) (.cse2 (not (= ~a28~0 0))) (.cse3 (<= ~a28~0 10)) (.cse7 (= 1 ~a19~0)) (.cse4 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3 .cse4) (and .cse2 .cse5 .cse4) (not (= 0 |old(~a11~0)|)) (and .cse6 .cse1 .cse5 .cse3) (and (or (and .cse0 (= ~a25~0 1)) (and .cse0 (= ~a25~0 0) (= ~a28~0 7))) .cse2 .cse7 .cse4) (and .cse6 .cse5 .cse3 .cse7) (not (= 1 |old(~a19~0)|)) (not (= 8 |old(~a17~0)|)) (and .cse0 (not (= main_~input~0 0)) .cse2 .cse3 .cse7 .cse4) (not (= 0 |old(~a25~0)|)))) [2018-11-23 06:04:02,993 INFO L448 ceAbstractionStarter]: For program point L606-3(lines 600 617) no Hoare annotation was computed. [2018-11-23 06:04:02,993 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 600 617) no Hoare annotation was computed. [2018-11-23 06:04:02,993 INFO L444 ceAbstractionStarter]: At program point L614(line 614) the Hoare annotation is: (let ((.cse4 (<= ~a17~0 7)) (.cse2 (= 1 ~a11~0)) (.cse7 (= 1 ~a19~0)) (.cse8 (= ~a11~0 0)) (.cse0 (not (= main_~input~0 0))) (.cse5 (<= ~a19~0 0)) (.cse1 (not (= ~a28~0 0))) (.cse6 (<= ~a28~0 10)) (.cse3 (= ~a17~0 8))) (or (not (= 1 ~a21~0)) (not (= 7 |old(~a28~0)|)) (and .cse0 .cse1 .cse2 .cse3) (not (= 0 |old(~a11~0)|)) (and .cse4 .cse5 .cse2 .cse6) (and .cse4 .cse2 .cse6 .cse7) (not (= 1 |old(~a19~0)|)) (and .cse0 .cse7 (and .cse8 .cse1 .cse3 (= ~a25~0 1))) (not (= 8 |old(~a17~0)|)) (and .cse8 .cse0 .cse1 .cse6 .cse7 .cse3) (not (= 0 |old(~a25~0)|)) (and .cse8 .cse0 .cse5 .cse1 .cse6 .cse3))) [2018-11-23 06:04:02,994 INFO L448 ceAbstractionStarter]: For program point L614-1(line 614) no Hoare annotation was computed. [2018-11-23 06:04:02,994 INFO L448 ceAbstractionStarter]: For program point L611(line 611) no Hoare annotation was computed. [2018-11-23 06:04:03,002 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.11 06:04:03 BoogieIcfgContainer [2018-11-23 06:04:03,003 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-23 06:04:03,003 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:04:03,003 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:04:03,003 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:04:03,004 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:03:42" (3/4) ... [2018-11-23 06:04:03,007 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:04:03,012 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-23 06:04:03,012 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-23 06:04:03,013 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-23 06:04:03,023 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 06:04:03,023 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-23 06:04:03,046 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((!(1 == a21) || !(7 == \old(a28))) || ((((a11 == 0 && a19 <= 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || (((a17 <= 7 && a19 <= 0) && 1 == a11) && a28 <= 10)) || (((((a11 == 0 && a25 == 1) || ((a11 == 0 && a25 == 0) && a28 == 7)) && !(a28 == 0)) && 1 == a19) && a17 == 8)) || (((a17 <= 7 && 1 == a11) && a28 <= 10) && 1 == a19)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (((((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a28 <= 10) && 1 == a19) && a17 == 8)) || !(0 == \old(a25)) [2018-11-23 06:04:03,128 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_48b6ea70-8c83-4a3b-917b-4836813d9c41/bin-2019/utaipan/witness.graphml [2018-11-23 06:04:03,128 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:04:03,129 INFO L168 Benchmark]: Toolchain (without parser) took 22209.82 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 957.6 MB in the beginning and 1.8 GB in the end (delta: -804.4 MB). Peak memory consumption was 350.1 MB. Max. memory is 11.5 GB. [2018-11-23 06:04:03,130 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:04:03,130 INFO L168 Benchmark]: CACSL2BoogieTranslator took 397.07 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 928.0 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. [2018-11-23 06:04:03,130 INFO L168 Benchmark]: Boogie Procedure Inliner took 79.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 928.0 MB in the beginning and 1.1 GB in the end (delta: -207.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:04:03,130 INFO L168 Benchmark]: Boogie Preprocessor took 54.75 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:04:03,131 INFO L168 Benchmark]: RCFGBuilder took 864.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 98.6 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:04:03,131 INFO L168 Benchmark]: TraceAbstraction took 20685.24 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -758.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-23 06:04:03,131 INFO L168 Benchmark]: Witness Printer took 125.11 ms. Allocated memory is still 2.2 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:04:03,133 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 397.07 ms. Allocated memory is still 1.0 GB. Free memory was 957.6 MB in the beginning and 928.0 MB in the end (delta: 29.7 MB). Peak memory consumption was 29.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 79.78 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 928.0 MB in the beginning and 1.1 GB in the end (delta: -207.2 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.75 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 864.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 98.6 MB). Peak memory consumption was 98.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 20685.24 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: -758.6 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. * Witness Printer took 125.11 ms. Allocated memory is still 2.2 GB. Free memory was 1.8 GB in the beginning and 1.8 GB in the end (delta: 25.0 MB). Peak memory consumption was 25.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 454]: 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: 606]: Loop Invariant Derived loop invariant: ((((((((((!(1 == a21) || !(7 == \old(a28))) || ((((a11 == 0 && a19 <= 0) && !(a28 == 0)) && a28 <= 10) && a17 == 8)) || ((!(a28 == 0) && 1 == a11) && a17 == 8)) || !(0 == \old(a11))) || (((a17 <= 7 && a19 <= 0) && 1 == a11) && a28 <= 10)) || (((((a11 == 0 && a25 == 1) || ((a11 == 0 && a25 == 0) && a28 == 7)) && !(a28 == 0)) && 1 == a19) && a17 == 8)) || (((a17 <= 7 && 1 == a11) && a28 <= 10) && 1 == a19)) || !(1 == \old(a19))) || !(8 == \old(a17))) || (((((a11 == 0 && !(input == 0)) && !(a28 == 0)) && a28 <= 10) && 1 == a19) && a17 == 8)) || !(0 == \old(a25)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 236 locations, 1 error locations. SAFE Result, 20.6s OverallTime, 8 OverallIterations, 5 TraceHistogramMax, 14.9s AutomataDifference, 0.0s DeadEndRemovalTime, 0.9s HoareAnnotationTime, HoareTripleCheckerStatistics: 1440 SDtfs, 5453 SDslu, 1777 SDs, 0 SdLazy, 9428 SolverSat, 1434 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 7.1s Time, PredicateUnifierStatistics: 6 DeclaredPredicates, 1389 GetRequests, 1300 SyntacticMatches, 7 SemanticMatches, 82 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 278 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4089occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 1.6s AbstIntTime, 5 AbstIntIterations, 3 AbstIntStrong, 0.9963866846825835 AbsIntWeakeningRatio, 0.2445414847161572 AbsIntAvgWeakeningVarsNumRemoved, 24.868995633187772 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 8 MinimizatonAttempts, 102 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 106 PreInvPairs, 150 NumberOfFragments, 795 HoareAnnotationTreeSize, 106 FomulaSimplifications, 2147 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 1960 FormulaSimplificationTreeSizeReductionInter, 0.8s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 1628 NumberOfCodeBlocks, 1628 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 2039 ConstructedInterpolants, 0 QuantifiedInterpolants, 640170 SizeOfPredicates, 1 NumberOfNonLiveVariables, 1080 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 12 InterpolantComputations, 3 PerfectInterpolantSequences, 1056/1226 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...