./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/config/TaipanReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/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 b17d8b704c4d90069798a3313de2551dfcebcaee ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 16:51:29,224 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 16:51:29,225 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 16:51:29,231 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 16:51:29,231 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 16:51:29,232 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 16:51:29,233 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 16:51:29,234 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 16:51:29,235 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 16:51:29,236 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 16:51:29,236 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 16:51:29,236 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 16:51:29,237 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 16:51:29,238 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 16:51:29,238 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 16:51:29,239 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 16:51:29,239 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 16:51:29,240 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 16:51:29,241 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 16:51:29,242 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 16:51:29,242 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 16:51:29,243 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 16:51:29,244 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 16:51:29,244 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 16:51:29,244 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 16:51:29,244 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 16:51:29,245 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 16:51:29,245 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 16:51:29,246 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 16:51:29,246 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 16:51:29,246 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 16:51:29,247 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 16:51:29,247 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 16:51:29,247 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 16:51:29,247 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 16:51:29,248 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 16:51:29,248 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/config/svcomp-Reach-32bit-Taipan_Default.epf [2018-12-08 16:51:29,255 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 16:51:29,255 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 16:51:29,255 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 16:51:29,256 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-08 16:51:29,256 INFO L133 SettingsManager]: * User list type=DISABLED [2018-12-08 16:51:29,256 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-12-08 16:51:29,256 INFO L133 SettingsManager]: * Explicit value domain=true [2018-12-08 16:51:29,256 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-12-08 16:51:29,256 INFO L133 SettingsManager]: * Octagon Domain=false [2018-12-08 16:51:29,257 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-12-08 16:51:29,257 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-12-08 16:51:29,257 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-12-08 16:51:29,257 INFO L133 SettingsManager]: * Interval Domain=false [2018-12-08 16:51:29,258 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 16:51:29,258 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 16:51:29,258 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 16:51:29,258 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 16:51:29,258 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 16:51:29,258 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 16:51:29,258 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 16:51:29,259 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 16:51:29,259 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 16:51:29,259 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 16:51:29,259 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 16:51:29,259 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 16:51:29,259 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-08 16:51:29,260 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 16:51:29,260 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-08 16:51:29,260 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:51:29,260 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 16:51:29,260 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 16:51:29,260 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 16:51:29,260 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-12-08 16:51:29,261 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 16:51:29,261 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 16:51:29,261 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-12-08 16:51:29,261 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_94ac5925-f644-431b-9c99-ab3f0a250121/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 -> b17d8b704c4d90069798a3313de2551dfcebcaee [2018-12-08 16:51:29,285 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 16:51:29,292 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 16:51:29,295 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 16:51:29,295 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 16:51:29,296 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 16:51:29,296 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/../../sv-benchmarks/c/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.c [2018-12-08 16:51:29,337 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/data/2d320b686/a2876c2188c64e7c89be657e5f9d2822/FLAG6827c5d77 [2018-12-08 16:51:29,709 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 16:51:29,709 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/sv-benchmarks/c/eca-rers2012/Problem14_label32_true-unreach-call_false-termination.c [2018-12-08 16:51:29,718 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/data/2d320b686/a2876c2188c64e7c89be657e5f9d2822/FLAG6827c5d77 [2018-12-08 16:51:29,727 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/data/2d320b686/a2876c2188c64e7c89be657e5f9d2822 [2018-12-08 16:51:29,729 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 16:51:29,730 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 16:51:29,730 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 16:51:29,730 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 16:51:29,732 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 16:51:29,733 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:51:29" (1/1) ... [2018-12-08 16:51:29,734 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf0b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:29, skipping insertion in model container [2018-12-08 16:51:29,734 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 04:51:29" (1/1) ... [2018-12-08 16:51:29,738 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 16:51:29,770 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 16:51:29,988 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:51:29,990 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 16:51:30,113 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 16:51:30,123 INFO L195 MainTranslator]: Completed translation [2018-12-08 16:51:30,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:30 WrapperNode [2018-12-08 16:51:30,123 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 16:51:30,123 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 16:51:30,123 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 16:51:30,123 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 16:51:30,129 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:30" (1/1) ... [2018-12-08 16:51:30,143 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:30" (1/1) ... [2018-12-08 16:51:30,149 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 16:51:30,150 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 16:51:30,150 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 16:51:30,150 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 16:51:30,157 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:30" (1/1) ... [2018-12-08 16:51:30,158 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:30" (1/1) ... [2018-12-08 16:51:30,162 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:30" (1/1) ... [2018-12-08 16:51:30,162 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:30" (1/1) ... [2018-12-08 16:51:30,188 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:30" (1/1) ... [2018-12-08 16:51:30,199 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:30" (1/1) ... [2018-12-08 16:51:30,204 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:30" (1/1) ... [2018-12-08 16:51:30,209 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 16:51:30,210 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 16:51:30,210 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 16:51:30,210 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 16:51:30,210 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-08 16:51:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-08 16:51:30,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-08 16:51:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-08 16:51:30,244 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-08 16:51:30,244 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 16:51:30,244 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 16:51:30,245 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-08 16:51:30,245 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-08 16:51:30,940 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 16:51:30,941 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-08 16:51:30,941 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:51:30 BoogieIcfgContainer [2018-12-08 16:51:30,941 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 16:51:30,942 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-08 16:51:30,942 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-08 16:51:30,945 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-08 16:51:30,945 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.12 04:51:29" (1/3) ... [2018-12-08 16:51:30,946 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdbb31e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:51:30, skipping insertion in model container [2018-12-08 16:51:30,946 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 04:51:30" (2/3) ... [2018-12-08 16:51:30,947 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6bdbb31e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.12 04:51:30, skipping insertion in model container [2018-12-08 16:51:30,947 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:51:30" (3/3) ... [2018-12-08 16:51:30,948 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem14_label32_true-unreach-call_false-termination.c [2018-12-08 16:51:30,957 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-08 16:51:30,965 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-08 16:51:30,981 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-08 16:51:31,010 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-08 16:51:31,010 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-08 16:51:31,010 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-08 16:51:31,010 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-08 16:51:31,011 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-08 16:51:31,011 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-08 16:51:31,011 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-08 16:51:31,011 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-08 16:51:31,031 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states. [2018-12-08 16:51:31,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2018-12-08 16:51:31,038 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:51:31,039 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] [2018-12-08 16:51:31,041 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:51:31,046 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:51:31,046 INFO L82 PathProgramCache]: Analyzing trace with hash -1416126934, now seen corresponding path program 1 times [2018-12-08 16:51:31,048 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:51:31,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:31,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:51:31,085 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:31,085 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:51:31,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:51:31,255 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:51:31,257 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:51:31,257 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 16:51:31,257 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:51:31,262 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 16:51:31,272 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 16:51:31,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:51:31,274 INFO L87 Difference]: Start difference. First operand 254 states. Second operand 4 states. [2018-12-08 16:51:32,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:51:32,156 INFO L93 Difference]: Finished difference Result 890 states and 1607 transitions. [2018-12-08 16:51:32,156 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 16:51:32,157 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2018-12-08 16:51:32,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:51:32,166 INFO L225 Difference]: With dead ends: 890 [2018-12-08 16:51:32,166 INFO L226 Difference]: Without dead ends: 554 [2018-12-08 16:51:32,170 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:51:32,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 554 states. [2018-12-08 16:51:32,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 554 to 554. [2018-12-08 16:51:32,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 554 states. [2018-12-08 16:51:32,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 554 states to 554 states and 776 transitions. [2018-12-08 16:51:32,212 INFO L78 Accepts]: Start accepts. Automaton has 554 states and 776 transitions. Word has length 61 [2018-12-08 16:51:32,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:51:32,212 INFO L480 AbstractCegarLoop]: Abstraction has 554 states and 776 transitions. [2018-12-08 16:51:32,212 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 16:51:32,212 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 776 transitions. [2018-12-08 16:51:32,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-08 16:51:32,216 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:51:32,216 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:51:32,216 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:51:32,216 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:51:32,217 INFO L82 PathProgramCache]: Analyzing trace with hash 1588363546, now seen corresponding path program 1 times [2018-12-08 16:51:32,217 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:51:32,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:32,217 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:51:32,217 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:32,218 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:51:32,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:51:32,306 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:51:32,306 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-08 16:51:32,306 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-12-08 16:51:32,307 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:51:32,308 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-12-08 16:51:32,308 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-12-08 16:51:32,308 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:51:32,308 INFO L87 Difference]: Start difference. First operand 554 states and 776 transitions. Second operand 4 states. [2018-12-08 16:51:33,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:51:33,003 INFO L93 Difference]: Finished difference Result 2012 states and 2904 transitions. [2018-12-08 16:51:33,003 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-12-08 16:51:33,004 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 173 [2018-12-08 16:51:33,004 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:51:33,009 INFO L225 Difference]: With dead ends: 2012 [2018-12-08 16:51:33,009 INFO L226 Difference]: Without dead ends: 1464 [2018-12-08 16:51:33,011 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-12-08 16:51:33,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1464 states. [2018-12-08 16:51:33,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1464 to 1282. [2018-12-08 16:51:33,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1282 states. [2018-12-08 16:51:33,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1767 transitions. [2018-12-08 16:51:33,049 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1767 transitions. Word has length 173 [2018-12-08 16:51:33,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:51:33,050 INFO L480 AbstractCegarLoop]: Abstraction has 1282 states and 1767 transitions. [2018-12-08 16:51:33,050 INFO L481 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-12-08 16:51:33,050 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1767 transitions. [2018-12-08 16:51:33,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2018-12-08 16:51:33,056 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:51:33,056 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 16:51:33,056 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:51:33,056 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:51:33,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1017976546, now seen corresponding path program 1 times [2018-12-08 16:51:33,057 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:51:33,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:33,058 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:51:33,058 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:33,058 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:51:33,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:51:33,257 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 129 proven. 53 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 16:51:33,257 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:51:33,257 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:51:33,258 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 248 with the following transitions: [2018-12-08 16:51:33,259 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 16:51:33,286 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:51:33,286 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:51:35,002 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 16:51:35,003 INFO L272 AbstractInterpreter]: Visited 117 different actions 117 times. Never merged. Never widened. Performed 1046 root evaluator evaluations with a maximum evaluation depth of 22. Performed 1046 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Never found a fixpoint. Largest state had 24 variables. [2018-12-08 16:51:35,008 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:51:35,008 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 16:51:36,652 INFO L227 lantSequenceWeakener]: Weakened 238 states. On average, predicates are now at 78.1% of their original sizes. [2018-12-08 16:51:36,653 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 16:51:36,672 INFO L418 sIntCurrentIteration]: We unified 246 AI predicates to 246 [2018-12-08 16:51:36,672 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 16:51:36,673 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:51:36,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [9] total 13 [2018-12-08 16:51:36,673 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:51:36,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-08 16:51:36,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-08 16:51:36,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-08 16:51:36,674 INFO L87 Difference]: Start difference. First operand 1282 states and 1767 transitions. Second operand 6 states. [2018-12-08 16:51:43,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:51:43,291 INFO L93 Difference]: Finished difference Result 2741 states and 3754 transitions. [2018-12-08 16:51:43,291 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-12-08 16:51:43,291 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 247 [2018-12-08 16:51:43,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:51:43,294 INFO L225 Difference]: With dead ends: 2741 [2018-12-08 16:51:43,294 INFO L226 Difference]: Without dead ends: 1465 [2018-12-08 16:51:43,295 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 247 GetRequests, 242 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-12-08 16:51:43,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1465 states. [2018-12-08 16:51:43,310 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1465 to 1464. [2018-12-08 16:51:43,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1464 states. [2018-12-08 16:51:43,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1464 states and 1956 transitions. [2018-12-08 16:51:43,312 INFO L78 Accepts]: Start accepts. Automaton has 1464 states and 1956 transitions. Word has length 247 [2018-12-08 16:51:43,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:51:43,313 INFO L480 AbstractCegarLoop]: Abstraction has 1464 states and 1956 transitions. [2018-12-08 16:51:43,313 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-08 16:51:43,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1956 transitions. [2018-12-08 16:51:43,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-12-08 16:51:43,316 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:51:43,316 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:51:43,316 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:51:43,316 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:51:43,316 INFO L82 PathProgramCache]: Analyzing trace with hash 2086987158, now seen corresponding path program 1 times [2018-12-08 16:51:43,316 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:51:43,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:43,317 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:51:43,317 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:51:43,317 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:51:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:51:43,725 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 248 proven. 142 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:51:43,725 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:51:43,725 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:51:43,725 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 332 with the following transitions: [2018-12-08 16:51:43,725 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 16:51:43,728 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:51:43,728 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:51:46,665 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 16:51:46,666 INFO L272 AbstractInterpreter]: Visited 121 different actions 235 times. Merged at 3 different actions 3 times. Never widened. Performed 2157 root evaluator evaluations with a maximum evaluation depth of 22. Performed 2157 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 16:51:46,669 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:51:46,669 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 16:51:48,168 INFO L227 lantSequenceWeakener]: Weakened 328 states. On average, predicates are now at 77.93% of their original sizes. [2018-12-08 16:51:48,168 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 16:51:48,212 INFO L418 sIntCurrentIteration]: We unified 330 AI predicates to 330 [2018-12-08 16:51:48,212 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 16:51:48,212 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:51:48,213 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 20 [2018-12-08 16:51:48,213 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:51:48,213 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 16:51:48,213 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 16:51:48,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:51:48,214 INFO L87 Difference]: Start difference. First operand 1464 states and 1956 transitions. Second operand 10 states. [2018-12-08 16:52:20,557 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:52:20,558 INFO L93 Difference]: Finished difference Result 3320 states and 4426 transitions. [2018-12-08 16:52:20,558 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2018-12-08 16:52:20,558 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 331 [2018-12-08 16:52:20,558 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:52:20,562 INFO L225 Difference]: With dead ends: 3320 [2018-12-08 16:52:20,562 INFO L226 Difference]: Without dead ends: 2044 [2018-12-08 16:52:20,563 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 339 GetRequests, 322 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=92, Invalid=250, Unknown=0, NotChecked=0, Total=342 [2018-12-08 16:52:20,565 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2044 states. [2018-12-08 16:52:20,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2044 to 1830. [2018-12-08 16:52:20,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1830 states. [2018-12-08 16:52:20,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1830 states and 2380 transitions. [2018-12-08 16:52:20,589 INFO L78 Accepts]: Start accepts. Automaton has 1830 states and 2380 transitions. Word has length 331 [2018-12-08 16:52:20,590 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:52:20,590 INFO L480 AbstractCegarLoop]: Abstraction has 1830 states and 2380 transitions. [2018-12-08 16:52:20,590 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 16:52:20,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1830 states and 2380 transitions. [2018-12-08 16:52:20,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-08 16:52:20,595 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:52:20,595 INFO L402 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:52:20,595 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:52:20,595 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:52:20,595 INFO L82 PathProgramCache]: Analyzing trace with hash -443954311, now seen corresponding path program 1 times [2018-12-08 16:52:20,595 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:52:20,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:52:20,596 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:52:20,596 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:52:20,596 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:52:20,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:52:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 173 proven. 243 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 16:52:21,134 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:52:21,134 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:52:21,135 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 379 with the following transitions: [2018-12-08 16:52:21,135 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [750], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 16:52:21,137 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:52:21,137 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:52:21,212 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 16:52:21,212 INFO L272 AbstractInterpreter]: Visited 142 different actions 278 times. Merged at 4 different actions 4 times. Never widened. Performed 2650 root evaluator evaluations with a maximum evaluation depth of 3. Performed 2650 inverse root evaluator evaluations with a maximum inverse evaluation depth of 3. Found 1 fixpoints after 1 different actions. Largest state had 24 variables. [2018-12-08 16:52:21,214 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:52:21,214 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 16:52:21,374 INFO L227 lantSequenceWeakener]: Weakened 375 states. On average, predicates are now at 77.85% of their original sizes. [2018-12-08 16:52:21,374 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 16:52:21,407 INFO L418 sIntCurrentIteration]: We unified 377 AI predicates to 377 [2018-12-08 16:52:21,407 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 16:52:21,407 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:52:21,407 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [14] total 22 [2018-12-08 16:52:21,407 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:52:21,407 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 16:52:21,408 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 16:52:21,408 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:52:21,408 INFO L87 Difference]: Start difference. First operand 1830 states and 2380 transitions. Second operand 10 states. [2018-12-08 16:52:39,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:52:39,920 INFO L93 Difference]: Finished difference Result 4022 states and 5167 transitions. [2018-12-08 16:52:39,920 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2018-12-08 16:52:39,921 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 378 [2018-12-08 16:52:39,921 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:52:39,924 INFO L225 Difference]: With dead ends: 4022 [2018-12-08 16:52:39,924 INFO L226 Difference]: Without dead ends: 2198 [2018-12-08 16:52:39,925 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 385 GetRequests, 369 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=84, Invalid=222, Unknown=0, NotChecked=0, Total=306 [2018-12-08 16:52:39,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2198 states. [2018-12-08 16:52:39,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2198 to 2196. [2018-12-08 16:52:39,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2196 states. [2018-12-08 16:52:39,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 2196 states and 2768 transitions. [2018-12-08 16:52:39,961 INFO L78 Accepts]: Start accepts. Automaton has 2196 states and 2768 transitions. Word has length 378 [2018-12-08 16:52:39,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:52:39,962 INFO L480 AbstractCegarLoop]: Abstraction has 2196 states and 2768 transitions. [2018-12-08 16:52:39,962 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 16:52:39,962 INFO L276 IsEmpty]: Start isEmpty. Operand 2196 states and 2768 transitions. [2018-12-08 16:52:39,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 458 [2018-12-08 16:52:39,971 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:52:39,971 INFO L402 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:52:39,972 INFO L423 AbstractCegarLoop]: === Iteration 6 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:52:39,972 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:52:39,972 INFO L82 PathProgramCache]: Analyzing trace with hash 2101608302, now seen corresponding path program 1 times [2018-12-08 16:52:39,972 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:52:39,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:52:39,973 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:52:39,973 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:52:39,973 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:52:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:52:40,198 INFO L134 CoverageAnalysis]: Checked inductivity of 753 backedges. 360 proven. 257 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2018-12-08 16:52:40,199 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:52:40,199 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:52:40,199 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 458 with the following transitions: [2018-12-08 16:52:40,199 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [630], [631], [635], [639], [643], [647], [651], [654], [655], [658], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 16:52:40,201 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:52:40,201 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:52:43,628 INFO L266 AbstractInterpreter]: Error location(s) were unreachable [2018-12-08 16:52:43,628 INFO L272 AbstractInterpreter]: Visited 120 different actions 357 times. Merged at 6 different actions 17 times. Never widened. Performed 3448 root evaluator evaluations with a maximum evaluation depth of 21. Performed 3448 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 3 fixpoints after 2 different actions. Largest state had 24 variables. [2018-12-08 16:52:43,630 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:52:43,630 INFO L401 sIntCurrentIteration]: Generating AbsInt predicates [2018-12-08 16:52:44,243 INFO L227 lantSequenceWeakener]: Weakened 454 states. On average, predicates are now at 80.38% of their original sizes. [2018-12-08 16:52:44,243 INFO L416 sIntCurrentIteration]: Unifying AI predicates [2018-12-08 16:52:44,279 INFO L418 sIntCurrentIteration]: We unified 456 AI predicates to 456 [2018-12-08 16:52:44,279 INFO L427 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-12-08 16:52:44,279 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:52:44,279 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [10] imperfect sequences [7] total 15 [2018-12-08 16:52:44,279 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:52:44,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-12-08 16:52:44,280 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-12-08 16:52:44,280 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:52:44,280 INFO L87 Difference]: Start difference. First operand 2196 states and 2768 transitions. Second operand 10 states. [2018-12-08 16:52:59,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:52:59,530 INFO L93 Difference]: Finished difference Result 4789 states and 6354 transitions. [2018-12-08 16:52:59,530 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2018-12-08 16:52:59,530 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 457 [2018-12-08 16:52:59,531 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:52:59,535 INFO L225 Difference]: With dead ends: 4789 [2018-12-08 16:52:59,535 INFO L226 Difference]: Without dead ends: 2965 [2018-12-08 16:52:59,536 INFO L631 BasicCegarLoop]: 2 DeclaredPredicates, 467 GetRequests, 448 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2018-12-08 16:52:59,538 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2965 states. [2018-12-08 16:52:59,562 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2965 to 2942. [2018-12-08 16:52:59,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2942 states. [2018-12-08 16:52:59,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2942 states to 2942 states and 3702 transitions. [2018-12-08 16:52:59,567 INFO L78 Accepts]: Start accepts. Automaton has 2942 states and 3702 transitions. Word has length 457 [2018-12-08 16:52:59,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:52:59,568 INFO L480 AbstractCegarLoop]: Abstraction has 2942 states and 3702 transitions. [2018-12-08 16:52:59,568 INFO L481 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-12-08 16:52:59,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2942 states and 3702 transitions. [2018-12-08 16:52:59,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2018-12-08 16:52:59,571 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:52:59,571 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:52:59,572 INFO L423 AbstractCegarLoop]: === Iteration 7 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:52:59,572 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:52:59,572 INFO L82 PathProgramCache]: Analyzing trace with hash -329202759, now seen corresponding path program 1 times [2018-12-08 16:52:59,572 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:52:59,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:52:59,573 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:52:59,573 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:52:59,573 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:52:59,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:52:59,745 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 364 proven. 253 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2018-12-08 16:52:59,746 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:52:59,746 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:52:59,746 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 515 with the following transitions: [2018-12-08 16:52:59,746 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [514], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [554], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 16:52:59,748 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:52:59,749 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:53:04,198 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:53:04,198 INFO L272 AbstractInterpreter]: Visited 124 different actions 497 times. Merged at 9 different actions 34 times. Never widened. Performed 4727 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4727 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 10 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 16:53:04,200 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:53:04,200 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:53:04,200 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:53:04,201 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:53:04,207 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:53:04,207 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:53:04,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:53:04,304 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:53:04,484 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 675 proven. 2 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2018-12-08 16:53:04,484 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:53:04,647 INFO L134 CoverageAnalysis]: Checked inductivity of 1062 backedges. 364 proven. 253 refuted. 0 times theorem prover too weak. 445 trivial. 0 not checked. [2018-12-08 16:53:04,672 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:53:04,673 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 10 [2018-12-08 16:53:04,673 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:53:04,673 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-08 16:53:04,673 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-08 16:53:04,673 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2018-12-08 16:53:04,674 INFO L87 Difference]: Start difference. First operand 2942 states and 3702 transitions. Second operand 9 states. [2018-12-08 16:53:06,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:53:06,438 INFO L93 Difference]: Finished difference Result 6486 states and 8633 transitions. [2018-12-08 16:53:06,438 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2018-12-08 16:53:06,438 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 514 [2018-12-08 16:53:06,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:53:06,444 INFO L225 Difference]: With dead ends: 6486 [2018-12-08 16:53:06,445 INFO L226 Difference]: Without dead ends: 3732 [2018-12-08 16:53:06,447 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1076 GetRequests, 1044 SyntacticMatches, 3 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 206 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=226, Invalid=704, Unknown=0, NotChecked=0, Total=930 [2018-12-08 16:53:06,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3732 states. [2018-12-08 16:53:06,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3732 to 2988. [2018-12-08 16:53:06,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2988 states. [2018-12-08 16:53:06,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2988 states to 2988 states and 3616 transitions. [2018-12-08 16:53:06,485 INFO L78 Accepts]: Start accepts. Automaton has 2988 states and 3616 transitions. Word has length 514 [2018-12-08 16:53:06,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:53:06,485 INFO L480 AbstractCegarLoop]: Abstraction has 2988 states and 3616 transitions. [2018-12-08 16:53:06,485 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-08 16:53:06,485 INFO L276 IsEmpty]: Start isEmpty. Operand 2988 states and 3616 transitions. [2018-12-08 16:53:06,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 560 [2018-12-08 16:53:06,489 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:53:06,490 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:53:06,490 INFO L423 AbstractCegarLoop]: === Iteration 8 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:53:06,490 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:53:06,490 INFO L82 PathProgramCache]: Analyzing trace with hash -817045398, now seen corresponding path program 1 times [2018-12-08 16:53:06,490 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:53:06,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:53:06,491 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:53:06,491 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:53:06,491 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:53:06,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:53:07,046 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 582 proven. 427 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-08 16:53:07,046 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:53:07,046 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:53:07,046 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 560 with the following transitions: [2018-12-08 16:53:07,047 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [594], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [666], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 16:53:07,048 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:53:07,048 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:53:14,077 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:53:14,077 INFO L272 AbstractInterpreter]: Visited 124 different actions 489 times. Merged at 8 different actions 26 times. Never widened. Performed 4774 root evaluator evaluations with a maximum evaluation depth of 22. Performed 4774 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 16:53:14,079 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:53:14,079 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:53:14,079 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:53:14,079 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:53:14,085 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:53:14,085 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:53:14,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:53:14,153 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:53:14,262 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2018-12-08 16:53:14,262 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:53:14,370 INFO L134 CoverageAnalysis]: Checked inductivity of 1172 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 890 trivial. 0 not checked. [2018-12-08 16:53:14,386 INFO L312 seRefinementStrategy]: Constructing automaton from 2 perfect and 1 imperfect interpolant sequences. [2018-12-08 16:53:14,386 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3, 3] imperfect sequences [14] total 15 [2018-12-08 16:53:14,386 INFO L256 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-12-08 16:53:14,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-08 16:53:14,387 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-08 16:53:14,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2018-12-08 16:53:14,387 INFO L87 Difference]: Start difference. First operand 2988 states and 3616 transitions. Second operand 3 states. [2018-12-08 16:53:14,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:53:14,793 INFO L93 Difference]: Finished difference Result 6524 states and 8128 transitions. [2018-12-08 16:53:14,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-08 16:53:14,794 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 559 [2018-12-08 16:53:14,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:53:14,800 INFO L225 Difference]: With dead ends: 6524 [2018-12-08 16:53:14,801 INFO L226 Difference]: Without dead ends: 3908 [2018-12-08 16:53:14,803 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1133 GetRequests, 1118 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2018-12-08 16:53:14,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3908 states. [2018-12-08 16:53:14,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3908 to 3542. [2018-12-08 16:53:14,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3542 states. [2018-12-08 16:53:14,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3542 states to 3542 states and 4358 transitions. [2018-12-08 16:53:14,838 INFO L78 Accepts]: Start accepts. Automaton has 3542 states and 4358 transitions. Word has length 559 [2018-12-08 16:53:14,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:53:14,838 INFO L480 AbstractCegarLoop]: Abstraction has 3542 states and 4358 transitions. [2018-12-08 16:53:14,838 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-08 16:53:14,838 INFO L276 IsEmpty]: Start isEmpty. Operand 3542 states and 4358 transitions. [2018-12-08 16:53:14,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 608 [2018-12-08 16:53:14,843 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:53:14,843 INFO L402 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2018-12-08 16:53:14,843 INFO L423 AbstractCegarLoop]: === Iteration 9 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:53:14,844 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:53:14,844 INFO L82 PathProgramCache]: Analyzing trace with hash 1368296906, now seen corresponding path program 1 times [2018-12-08 16:53:14,844 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:53:14,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:53:14,844 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:53:14,844 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:53:14,844 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:53:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:53:15,433 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 582 proven. 460 refuted. 0 times theorem prover too weak. 179 trivial. 0 not checked. [2018-12-08 16:53:15,433 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:53:15,434 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:53:15,434 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 608 with the following transitions: [2018-12-08 16:53:15,434 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [510], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [666], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [786], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 16:53:15,436 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:53:15,436 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:53:22,504 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:53:22,504 INFO L272 AbstractInterpreter]: Visited 154 different actions 609 times. Merged at 8 different actions 26 times. Never widened. Performed 6499 root evaluator evaluations with a maximum evaluation depth of 22. Performed 6499 inverse root evaluator evaluations with a maximum inverse evaluation depth of 22. Found 8 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 16:53:22,507 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:53:22,507 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:53:22,507 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:53:22,507 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:53:22,512 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:53:22,512 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:53:22,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:53:22,580 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:53:22,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 891 proven. 2 refuted. 0 times theorem prover too weak. 328 trivial. 0 not checked. [2018-12-08 16:53:22,692 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:53:22,936 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 433 proven. 144 refuted. 0 times theorem prover too weak. 644 trivial. 0 not checked. [2018-12-08 16:53:22,951 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:53:22,952 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 5, 5] total 19 [2018-12-08 16:53:22,952 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:53:22,952 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2018-12-08 16:53:22,952 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2018-12-08 16:53:22,952 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=280, Unknown=0, NotChecked=0, Total=342 [2018-12-08 16:53:22,952 INFO L87 Difference]: Start difference. First operand 3542 states and 4358 transitions. Second operand 17 states. [2018-12-08 16:53:25,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:53:25,761 INFO L93 Difference]: Finished difference Result 7580 states and 9803 transitions. [2018-12-08 16:53:25,761 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2018-12-08 16:53:25,761 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 607 [2018-12-08 16:53:25,762 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:53:25,770 INFO L225 Difference]: With dead ends: 7580 [2018-12-08 16:53:25,770 INFO L226 Difference]: Without dead ends: 4176 [2018-12-08 16:53:25,774 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1279 GetRequests, 1229 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 684 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=520, Invalid=2132, Unknown=0, NotChecked=0, Total=2652 [2018-12-08 16:53:25,777 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4176 states. [2018-12-08 16:53:25,815 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4176 to 3730. [2018-12-08 16:53:25,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3730 states. [2018-12-08 16:53:25,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3730 states to 3730 states and 4116 transitions. [2018-12-08 16:53:25,818 INFO L78 Accepts]: Start accepts. Automaton has 3730 states and 4116 transitions. Word has length 607 [2018-12-08 16:53:25,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:53:25,819 INFO L480 AbstractCegarLoop]: Abstraction has 3730 states and 4116 transitions. [2018-12-08 16:53:25,819 INFO L481 AbstractCegarLoop]: Interpolant automaton has 17 states. [2018-12-08 16:53:25,819 INFO L276 IsEmpty]: Start isEmpty. Operand 3730 states and 4116 transitions. [2018-12-08 16:53:25,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 878 [2018-12-08 16:53:25,824 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:53:25,825 INFO L402 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2018-12-08 16:53:25,825 INFO L423 AbstractCegarLoop]: === Iteration 10 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:53:25,825 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:53:25,825 INFO L82 PathProgramCache]: Analyzing trace with hash -2135941382, now seen corresponding path program 1 times [2018-12-08 16:53:25,825 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:53:25,825 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:53:25,826 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:53:25,826 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:53:25,826 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:53:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:53:27,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2103 backedges. 885 proven. 887 refuted. 0 times theorem prover too weak. 331 trivial. 0 not checked. [2018-12-08 16:53:27,339 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:53:27,339 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:53:27,339 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 878 with the following transitions: [2018-12-08 16:53:27,339 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [523], [527], [531], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [686], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [786], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [854], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 16:53:27,341 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:53:27,341 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:53:31,260 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:53:31,260 INFO L272 AbstractInterpreter]: Visited 192 different actions 767 times. Merged at 9 different actions 32 times. Never widened. Performed 8496 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8496 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 11 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 16:53:31,262 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:53:31,262 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:53:31,262 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:53:31,262 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:53:31,268 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:53:31,268 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:53:31,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:53:31,367 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:53:31,630 INFO L134 CoverageAnalysis]: Checked inductivity of 2103 backedges. 1391 proven. 2 refuted. 0 times theorem prover too weak. 710 trivial. 0 not checked. [2018-12-08 16:53:31,630 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:53:31,958 INFO L134 CoverageAnalysis]: Checked inductivity of 2103 backedges. 842 proven. 142 refuted. 0 times theorem prover too weak. 1119 trivial. 0 not checked. [2018-12-08 16:53:31,973 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:53:31,974 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [17, 5, 5] total 22 [2018-12-08 16:53:31,974 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:53:31,974 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2018-12-08 16:53:31,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2018-12-08 16:53:31,975 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2018-12-08 16:53:31,975 INFO L87 Difference]: Start difference. First operand 3730 states and 4116 transitions. Second operand 20 states. [2018-12-08 16:53:35,891 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 39 [2018-12-08 16:53:36,966 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:53:36,966 INFO L93 Difference]: Finished difference Result 8078 states and 9105 transitions. [2018-12-08 16:53:36,967 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 70 states. [2018-12-08 16:53:36,967 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 877 [2018-12-08 16:53:36,967 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:53:36,974 INFO L225 Difference]: With dead ends: 8078 [2018-12-08 16:53:36,974 INFO L226 Difference]: Without dead ends: 4720 [2018-12-08 16:53:36,977 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 1890 GetRequests, 1802 SyntacticMatches, 5 SemanticMatches, 83 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2203 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=1032, Invalid=6108, Unknown=0, NotChecked=0, Total=7140 [2018-12-08 16:53:36,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4720 states. [2018-12-08 16:53:37,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4720 to 4492. [2018-12-08 16:53:37,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4492 states. [2018-12-08 16:53:37,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4492 states to 4492 states and 4935 transitions. [2018-12-08 16:53:37,019 INFO L78 Accepts]: Start accepts. Automaton has 4492 states and 4935 transitions. Word has length 877 [2018-12-08 16:53:37,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:53:37,020 INFO L480 AbstractCegarLoop]: Abstraction has 4492 states and 4935 transitions. [2018-12-08 16:53:37,020 INFO L481 AbstractCegarLoop]: Interpolant automaton has 20 states. [2018-12-08 16:53:37,020 INFO L276 IsEmpty]: Start isEmpty. Operand 4492 states and 4935 transitions. [2018-12-08 16:53:37,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1044 [2018-12-08 16:53:37,027 INFO L394 BasicCegarLoop]: Found error trace [2018-12-08 16:53:37,028 INFO L402 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-08 16:53:37,028 INFO L423 AbstractCegarLoop]: === Iteration 11 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-08 16:53:37,028 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:53:37,028 INFO L82 PathProgramCache]: Analyzing trace with hash -2008873634, now seen corresponding path program 1 times [2018-12-08 16:53:37,028 INFO L69 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-12-08 16:53:37,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:53:37,029 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:53:37,029 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-08 16:53:37,029 INFO L286 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-12-08 16:53:37,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:53:38,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3214 backedges. 817 proven. 1395 refuted. 0 times theorem prover too weak. 1002 trivial. 0 not checked. [2018-12-08 16:53:38,685 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:53:38,685 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-12-08 16:53:38,686 INFO L203 CegarAbsIntRunner]: Running AI on error trace of length 1044 with the following transitions: [2018-12-08 16:53:38,686 INFO L205 CegarAbsIntRunner]: [0], [1], [2], [9], [17], [25], [33], [41], [49], [57], [65], [73], [81], [89], [97], [105], [113], [121], [129], [137], [145], [153], [161], [169], [177], [185], [193], [201], [209], [217], [225], [233], [241], [249], [257], [265], [273], [281], [289], [297], [305], [313], [321], [329], [337], [345], [353], [361], [369], [377], [385], [393], [397], [399], [402], [410], [418], [426], [434], [442], [450], [458], [466], [474], [482], [490], [495], [499], [503], [507], [511], [515], [519], [522], [523], [527], [531], [534], [535], [539], [543], [547], [551], [555], [559], [563], [567], [571], [575], [579], [583], [587], [591], [595], [599], [603], [607], [611], [615], [619], [623], [627], [631], [635], [639], [643], [647], [651], [654], [655], [658], [659], [663], [667], [671], [675], [679], [683], [687], [691], [695], [699], [703], [707], [711], [715], [719], [723], [727], [731], [735], [739], [743], [747], [751], [755], [759], [763], [767], [771], [775], [779], [783], [786], [787], [791], [795], [799], [803], [807], [811], [815], [819], [823], [827], [831], [835], [839], [843], [847], [851], [855], [859], [863], [867], [871], [875], [879], [883], [887], [891], [895], [899], [903], [907], [911], [915], [919], [923], [926], [927], [931], [934], [948], [952], [961], [965], [967], [972], [973], [974], [976], [977] [2018-12-08 16:53:38,688 INFO L148 AbstractInterpreter]: Using domain PoormanAbstractDomain with backing domain CompoundDomain [CongruenceDomain, ExplicitValueDomain] [2018-12-08 16:53:38,688 INFO L101 FixpointEngine]: Starting fixpoint engine with domain PoormanAbstractDomain (maxUnwinding=3, maxParallelStates=2) [2018-12-08 16:53:42,615 INFO L263 AbstractInterpreter]: Some error location(s) were reachable [2018-12-08 16:53:42,615 INFO L272 AbstractInterpreter]: Visited 193 different actions 773 times. Merged at 10 different actions 34 times. Never widened. Performed 8493 root evaluator evaluations with a maximum evaluation depth of 21. Performed 8493 inverse root evaluator evaluations with a maximum inverse evaluation depth of 21. Found 12 fixpoints after 3 different actions. Largest state had 24 variables. [2018-12-08 16:53:42,617 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 16:53:42,617 INFO L422 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-12-08 16:53:42,617 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-08 16:53:42,617 INFO L192 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/z3 Starting monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 6 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-12-08 16:53:42,623 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-08 16:53:42,623 INFO L286 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-12-08 16:53:42,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 16:53:42,729 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-08 16:53:43,130 INFO L134 CoverageAnalysis]: Checked inductivity of 3214 backedges. 1216 proven. 2 refuted. 0 times theorem prover too weak. 1996 trivial. 0 not checked. [2018-12-08 16:53:43,130 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-12-08 16:53:43,647 INFO L134 CoverageAnalysis]: Checked inductivity of 3214 backedges. 1216 proven. 2 refuted. 0 times theorem prover too weak. 1996 trivial. 0 not checked. [2018-12-08 16:53:43,663 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2018-12-08 16:53:43,663 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 6, 6] total 19 [2018-12-08 16:53:43,663 INFO L249 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-12-08 16:53:43,664 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2018-12-08 16:53:43,664 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2018-12-08 16:53:43,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=60, Invalid=282, Unknown=0, NotChecked=0, Total=342 [2018-12-08 16:53:43,665 INFO L87 Difference]: Start difference. First operand 4492 states and 4935 transitions. Second operand 18 states. [2018-12-08 16:53:46,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-08 16:53:46,104 INFO L93 Difference]: Finished difference Result 9024 states and 10038 transitions. [2018-12-08 16:53:46,104 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2018-12-08 16:53:46,104 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1043 [2018-12-08 16:53:46,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-08 16:53:46,105 INFO L225 Difference]: With dead ends: 9024 [2018-12-08 16:53:46,105 INFO L226 Difference]: Without dead ends: 0 [2018-12-08 16:53:46,111 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 2141 GetRequests, 2099 SyntacticMatches, 1 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 373 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=391, Invalid=1415, Unknown=0, NotChecked=0, Total=1806 [2018-12-08 16:53:46,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-08 16:53:46,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-08 16:53:46,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-08 16:53:46,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-08 16:53:46,112 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1043 [2018-12-08 16:53:46,112 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-08 16:53:46,112 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-08 16:53:46,112 INFO L481 AbstractCegarLoop]: Interpolant automaton has 18 states. [2018-12-08 16:53:46,112 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-08 16:53:46,112 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 16:53:46,116 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-08 16:53:46,143 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,191 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,193 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,219 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,223 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,230 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,237 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,263 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,291 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,293 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,298 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,315 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,318 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 267 DAG size of output: 210 [2018-12-08 16:53:46,321 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,326 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,333 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,356 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,383 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,385 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:46,390 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-08 16:53:47,003 WARN L180 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 221 DAG size of output: 74 [2018-12-08 16:53:47,405 WARN L180 SmtUtils]: Spent 393.00 ms on a formula simplification. DAG size of input: 204 DAG size of output: 62 [2018-12-08 16:53:47,812 WARN L180 SmtUtils]: Spent 405.00 ms on a formula simplification. DAG size of input: 190 DAG size of output: 65 [2018-12-08 16:53:47,813 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:53:47,813 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= ~a12~0 |old(~a12~0)|) (= ~a24~0 |old(~a24~0)|) (= ~a21~0 |old(~a21~0)|) (= ~a15~0 |old(~a15~0)|)) [2018-12-08 16:53:47,813 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2018-12-08 16:53:47,814 INFO L448 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,815 INFO L448 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,816 INFO L448 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 20 872) the Hoare annotation is: (let ((.cse7 (= 8 |old(~a15~0)|)) (.cse9 (= ~a12~0 |old(~a12~0)|)) (.cse10 (= ~a24~0 |old(~a24~0)|)) (.cse12 (= ~a21~0 |old(~a21~0)|)) (.cse11 (= ~a15~0 |old(~a15~0)|))) (let ((.cse5 (= 6 |old(~a15~0)|)) (.cse6 (and .cse9 .cse10 .cse12 .cse11)) (.cse4 (= 0 |old(~a21~0)|)) (.cse0 (not (= 1 |old(~a24~0)|))) (.cse1 (not .cse7)) (.cse2 (= |calculate_output_#in~input| 0)) (.cse3 (and .cse9 .cse12 (= 8 ~a15~0) (= ~a24~0 1))) (.cse8 (< 6 |old(~a21~0)|))) (and (or .cse0 .cse1 .cse2 (not (= 8 |old(~a21~0)|)) .cse3) (or .cse4 .cse3 (< 76 |old(~a12~0)|) .cse0 .cse1 .cse2) (or (< 0 (+ |old(~a12~0)| 49)) .cse5 .cse6 .cse7 .cse8) (or .cse6 (or .cse5 .cse7) .cse0) (or .cse6 .cse0 (or (< 11 |old(~a12~0)|) .cse7)) (or (and (or (not (= 7 |old(~a21~0)|)) .cse1) (or (not (= 10 |old(~a21~0)|)) .cse1)) .cse0 .cse2 .cse3) (or .cse6 (or (< 8 |old(~a21~0)|) .cse7) .cse0) (or (not (= 9 |old(~a21~0)|)) .cse0 (and .cse9 .cse10 (= ~a21~0 9) .cse11) (<= |old(~a12~0)| 80) .cse7) (or .cse4 .cse0 .cse1 .cse2 .cse3 .cse8)))) [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2018-12-08 16:53:47,817 INFO L448 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2018-12-08 16:53:47,818 INFO L448 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2018-12-08 16:53:47,819 INFO L448 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2018-12-08 16:53:47,820 INFO L448 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2018-12-08 16:53:47,821 INFO L448 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,822 INFO L448 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 169) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-08 16:53:47,823 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 8 ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) [2018-12-08 16:53:47,823 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-08 16:53:47,823 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-08 16:53:47,824 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 874 890) the Hoare annotation is: (or (not (= 7 |old(~a21~0)|)) (and (= 8 ~a15~0) (= (+ ~a12~0 49) 0) (= ~a24~0 1) (= ~a21~0 7)) (not (= 1 |old(~a24~0)|)) (not (= 8 |old(~a15~0)|)) (not (= 0 (+ |old(~a12~0)| 49)))) [2018-12-08 16:53:47,824 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 874 890) no Hoare annotation was computed. [2018-12-08 16:53:47,824 INFO L444 ceAbstractionStarter]: At program point L888(line 888) the Hoare annotation is: (let ((.cse4 (not (= 6 ~a15~0))) (.cse5 (= 1 ~a24~0)) (.cse0 (not (= ~a15~0 8))) (.cse1 (not (= ~a21~0 0))) (.cse2 (not (= main_~input~0 0))) (.cse3 (= ~a24~0 1)) (.cse6 (<= ~a21~0 6))) (or (not (= 8 |old(~a15~0)|)) (and (and (<= ~a21~0 8) .cse0) (= ~a24~0 |old(~a24~0)|)) (and .cse1 .cse2 (<= ~a12~0 76) .cse3 .cse4) (and (and .cse0 .cse4) .cse5) (and .cse0 .cse4 (<= (+ ~a12~0 49) 0) .cse6) (and .cse5 .cse0 (< 80 ~a12~0) (= ~a21~0 9)) (not (= 7 |old(~a21~0)|)) (and .cse5 .cse0 (<= ~a12~0 11)) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse2 (= ~a21~0 8) .cse3) (and .cse2 (or (= ~a21~0 7) (= ~a21~0 10)) .cse3 (= ~a15~0 |old(~a15~0)|)) (and .cse1 .cse2 .cse3 .cse6))) [2018-12-08 16:53:47,824 INFO L448 ceAbstractionStarter]: For program point L888-1(line 888) no Hoare annotation was computed. [2018-12-08 16:53:47,824 INFO L448 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2018-12-08 16:53:47,824 INFO L444 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse6 (= ~a15~0 8))) (let ((.cse3 (<= ~a21~0 6)) (.cse5 (= 1 ~a24~0)) (.cse0 (not .cse6)) (.cse1 (not (= ~a21~0 0))) (.cse4 (not (= 6 ~a15~0))) (.cse2 (= ~a24~0 1))) (or (not (= 8 |old(~a15~0)|)) (and (and (<= ~a21~0 8) .cse0) (= ~a24~0 |old(~a24~0)|)) (and .cse1 .cse2 .cse3) (and (and .cse0 .cse4) .cse5) (and .cse0 .cse4 (<= (+ ~a12~0 49) 0) .cse3) (and .cse5 .cse0 (< 80 ~a12~0) (= ~a21~0 9)) (not (= 7 |old(~a21~0)|)) (or (and .cse2 (= ~a21~0 7)) (and .cse6 .cse2 (= ~a21~0 10))) (and .cse5 .cse0 (<= ~a12~0 11)) (and .cse1 (<= ~a12~0 76) .cse2 .cse4) (not (= 1 |old(~a24~0)|)) (not (= 0 (+ |old(~a12~0)| 49))) (and .cse2 (= ~a21~0 8))))) [2018-12-08 16:53:47,824 INFO L448 ceAbstractionStarter]: For program point L880-3(lines 874 890) no Hoare annotation was computed. [2018-12-08 16:53:47,831 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 08.12 04:53:47 BoogieIcfgContainer [2018-12-08 16:53:47,831 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-08 16:53:47,831 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 16:53:47,831 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 16:53:47,831 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 16:53:47,832 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 04:51:30" (3/4) ... [2018-12-08 16:53:47,834 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 16:53:47,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-08 16:53:47,837 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-08 16:53:47,838 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-08 16:53:47,844 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-08 16:53:47,845 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-08 16:53:47,862 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((((((((!(8 == \old(a15)) || ((a21 <= 8 && !(a15 == 8)) && a24 == \old(a24))) || ((!(a21 == 0) && a24 == 1) && a21 <= 6)) || ((!(a15 == 8) && !(6 == a15)) && 1 == a24)) || (((!(a15 == 8) && !(6 == a15)) && a12 + 49 <= 0) && a21 <= 6)) || (((1 == a24 && !(a15 == 8)) && 80 < a12) && a21 == 9)) || !(7 == \old(a21))) || (a24 == 1 && a21 == 7) || ((a15 == 8 && a24 == 1) && a21 == 10)) || ((1 == a24 && !(a15 == 8)) && a12 <= 11)) || (((!(a21 == 0) && a12 <= 76) && a24 == 1) && !(6 == a15))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49)) || (a24 == 1 && a21 == 8) [2018-12-08 16:53:47,918 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_94ac5925-f644-431b-9c99-ab3f0a250121/bin-2019/utaipan/witness.graphml [2018-12-08 16:53:47,918 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 16:53:47,919 INFO L168 Benchmark]: Toolchain (without parser) took 138189.61 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.2 GB). Free memory was 944.9 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 909.7 MB. Max. memory is 11.5 GB. [2018-12-08 16:53:47,919 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:53:47,919 INFO L168 Benchmark]: CACSL2BoogieTranslator took 392.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 944.9 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. [2018-12-08 16:53:47,920 INFO L168 Benchmark]: Boogie Procedure Inliner took 26.13 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-08 16:53:47,920 INFO L168 Benchmark]: Boogie Preprocessor took 59.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 16:53:47,920 INFO L168 Benchmark]: RCFGBuilder took 731.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.9 MB in the end (delta: 126.3 MB). Peak memory consumption was 126.3 MB. Max. memory is 11.5 GB. [2018-12-08 16:53:47,920 INFO L168 Benchmark]: TraceAbstraction took 136888.91 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 993.9 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. [2018-12-08 16:53:47,920 INFO L168 Benchmark]: Witness Printer took 87.20 ms. Allocated memory is still 3.3 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. [2018-12-08 16:53:47,921 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 1.0 GB. Free memory is still 973.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 392.94 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 944.9 MB in the beginning and 1.1 GB in the end (delta: -182.2 MB). Peak memory consumption was 49.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 26.13 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.61 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 731.66 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 993.9 MB in the end (delta: 126.3 MB). Peak memory consumption was 126.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 136888.91 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 993.9 MB in the beginning and 2.3 GB in the end (delta: -1.3 GB). Peak memory consumption was 2.6 GB. Max. memory is 11.5 GB. * Witness Printer took 87.20 ms. Allocated memory is still 3.3 GB. Free memory was 2.3 GB in the beginning and 2.3 GB in the end (delta: 47.6 MB). Peak memory consumption was 47.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 169]: 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: 880]: Loop Invariant Derived loop invariant: (((((((((((!(8 == \old(a15)) || ((a21 <= 8 && !(a15 == 8)) && a24 == \old(a24))) || ((!(a21 == 0) && a24 == 1) && a21 <= 6)) || ((!(a15 == 8) && !(6 == a15)) && 1 == a24)) || (((!(a15 == 8) && !(6 == a15)) && a12 + 49 <= 0) && a21 <= 6)) || (((1 == a24 && !(a15 == 8)) && 80 < a12) && a21 == 9)) || !(7 == \old(a21))) || (a24 == 1 && a21 == 7) || ((a15 == 8 && a24 == 1) && a21 == 10)) || ((1 == a24 && !(a15 == 8)) && a12 <= 11)) || (((!(a21 == 0) && a12 <= 76) && a24 == 1) && !(6 == a15))) || !(1 == \old(a24))) || !(0 == \old(a12) + 49)) || (a24 == 1 && a21 == 8) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 254 locations, 1 error locations. SAFE Result, 136.8s OverallTime, 11 OverallIterations, 9 TraceHistogramMax, 86.8s AutomataDifference, 0.0s DeadEndRemovalTime, 1.6s HoareAnnotationTime, HoareTripleCheckerStatistics: 837 SDtfs, 18355 SDslu, 1066 SDs, 0 SdLazy, 19243 SolverSat, 3859 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 73.3s Time, PredicateUnifierStatistics: 8 DeclaredPredicates, 8968 GetRequests, 8680 SyntacticMatches, 11 SemanticMatches, 277 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3681 ImplicationChecksByTransitivity, 5.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=4492occurred in iteration=10, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 34.6s AbstIntTime, 9 AbstIntIterations, 4 AbstIntStrong, 0.997232125188237 AbsIntWeakeningRatio, 0.0908445706174592 AbsIntAvgWeakeningVarsNumRemoved, 16.119233498935415 AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 11 MinimizatonAttempts, 2206 StatesRemovedByMinimization, 9 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 172 PreInvPairs, 256 NumberOfFragments, 619 HoareAnnotationTreeSize, 172 FomulaSimplifications, 12097 FormulaSimplificationTreeSizeReduction, 0.2s HoareSimplificationTime, 7 FomulaSimplificationsInter, 12885 FormulaSimplificationTreeSizeReductionInter, 1.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.1s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.4s InterpolantComputationTime, 8847 NumberOfCodeBlocks, 8847 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 12426 ConstructedInterpolants, 0 QuantifiedInterpolants, 46370604 SizeOfPredicates, 12 NumberOfNonLiveVariables, 5230 ConjunctsInSsa, 36 ConjunctsInUnsatCore, 21 InterpolantComputations, 4 PerfectInterpolantSequences, 23453/28119 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...